BCcomponents
DATA SHEET
PR01/02/03
Professional power metal film resistors
Product specification |
2001 Jul 13 |
Supersedes data of 8th March 2001
File under BCcomponents, BC08
BCcomponents Product specification
Professional power metal film resistors PR01/02/03
•High power in small packages
•Different lead materials for different applications
•Defined interruption behaviour.
•All general purpose power applications.
A homogeneous film of metal alloy is deposited on a high grade ceramic body. After a helical groove has been cut in the resistive layer, tinned connecting wires of electrolytic copper or copper-clad iron are welded to the end-caps. The resistors are coated with a red, nonflammable lacquer which provides electrical, mechanical and
climatic protection. This coating is not resistant to aggressive fluxes. The encapsulation is resistant to all cleaning solvents in accordance with
“MIL-STD-202E, method 215”, and “IEC 60068-2-45”.
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VALUE |
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DESCRIPTION |
PR01 |
PR02 |
PR03 |
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Cu-lead |
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FeCu-lead |
Cu-lead |
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FeCu-lead |
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Resistance range |
0.22 Ω to 1 MΩ |
0.33 Ω to 1 MΩ |
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1 Ω to 1 MΩ |
0.68 Ω to 1 MΩ |
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1 Ω to 1 MΩ |
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Resistance tolerance and series |
±1% (E24, E96 series); ±5% (E24 series); see notes 1 and 2 |
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Maximum dissipation at |
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Tamb = 70 °C: |
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R < 1 Ω |
0.6 W |
1.2 W |
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1.6 W |
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1 Ω ≤ R |
1 W |
2 W |
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1.3 W |
3 W |
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2.5 W |
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Thermal resistance (Rth) |
135 K/W |
75 K/W |
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115 K/W |
60 K/W |
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75 K/W |
Temperature coefficient |
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≤± 250 × 10−6/K |
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Maximum permissible voltage |
350 V |
500 V |
750 V |
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(DC or RMS) |
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Basic specifications |
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IEC 60115-1 and 60115-4 |
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Climatic category (IEC 60068) |
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55/155/56 |
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Stability after: |
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load |
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∆ R/R max.: ±5% + 0.1 Ω |
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climatic tests |
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∆ R/R max.: ±3% + 0.1 Ω |
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soldering |
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∆ R/R max.: ±1% + 0.05 Ω |
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Notes
1.1% tolerance is available for Rn-range from 1R upwards.
2.2% tolerance is available on request for Rn-range from 1R upwards.
2001 Jul 13 |
2 |
BCcomponents |
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Product specification |
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Professional power metal film resistors |
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PR01/02/03 |
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ORDERING INFORMATION |
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Table 1 Ordering code indicating resistor type and packaging |
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ORDERING CODE 23.. ... ..... (BANDOLIER) |
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AMMOPACK |
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REEL |
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LEAD |
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TYPE |
TOL |
RADIAL TAPED |
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STRAIGHT LEADS |
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(mm) |
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52 mm |
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52 mm |
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63 mm |
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73 mm |
80 mm |
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73 mm |
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52 mm |
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4000 |
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3000 |
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5000 |
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1000 |
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500 |
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1000 |
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5000 |
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5000 |
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units |
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units |
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units |
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units |
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1 |
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22 196 |
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1.... |
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PR01 |
Cu 0.6 |
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5 |
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06 197 |
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22 193 |
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06 197 |
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22 193 |
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22 193 |
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06 197 |
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03... |
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13... |
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23... |
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23... |
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1 |
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22 197 |
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1.... |
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Cu 0.8 |
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PR02 |
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5 |
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06 198 |
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06 198 |
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22 194 |
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06 198 |
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03... |
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53... |
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13... |
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23... |
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FeCu 0.6 |
5 |
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22 194 |
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22 194 |
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54... |
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53... |
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5 |
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22 195 |
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22 195 |
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14... |
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13... |
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Cu 0.8 |
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PR03 |
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1 |
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06 199 |
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06 193 |
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5... |
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5... |
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FeCu 0.6 |
5 |
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22 195 |
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22 195 |
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54... |
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53... |
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Table 2 Ordering code indicating resistor type and packaging |
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ORDERING CODE 23.. ... ..... (LOOSE IN BOX) |
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LEAD |
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TOL |
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CROPPED AND FORMED |
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DOUBLE KINK |
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TYPE |
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PITCH = 17.8 |
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PITCH = 25.4 |
PITCH = 17.8 |
PITCH = 25.4 |
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(%) |
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PITCH(1)(2)(3) |
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(mm) |
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1000 units |
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500 units |
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1000 units |
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500 units |
1000 units |
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500 units |
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PR01 |
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Cu 0.6 |
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5 |
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22 193 33... |
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22 193 03... |
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22 193 43... |
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22 193 53...(1) |
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Cu 0.8 |
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22 194 33... |
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22 194 23... |
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PR02 |
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FeCu 0.6 |
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22 194 73... |
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22 194 83... |
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FeCu 0.8 |
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22 194 63...(2) |
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22 195 33... |
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22 195 23... |
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PR03 |
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FeCu 0.6 |
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22 195 83... |
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22 195 63...(3) |
Notes
1.PR01 pitch 12.5 mm.
2.PR02 pitch 15.0 mm.
3.PR03 pitch 20.0 mm.
2001 Jul 13 |
3 |
BCcomponents Product specification
Professional power metal film resistors PR01/02/03
•The resistors have a 12-digit ordering code starting with 23.
•The first 7 digits indicate the resistor type and packaging;
see Tables 1 and 2.
•The remaining 3 digits indicate the resistance value:
–The first 2 digits indicate the resistance value.
–The last digit indicates the resistance decade in accordance with Table 3.
Table 3 Last digit of 12NC
RESISTANCE |
LAST DIGIT |
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DECADE |
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0.22 to 0.91 Ω |
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1 to 9.76 Ω |
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10 to 97.6 Ω |
9 |
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100 to 976 Ω |
1 |
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1 to 9.76 kΩ |
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10 to 97.6 kΩ |
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100 to 976 kΩ |
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1 MΩ |
5 |
The ordering code for resistor type PR02 with Cu leads and a value of 750 Ω , supplied on a bandolier of 1000 units in ammopack, is:
2322 194 13751.
Standard values of nominal resistance are taken from the E24 series for resistors with a tolerance of ±5%. The values of the E24 series are in accordance with “IEC publication 60063”.
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1.00 |
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Tamb = 40oC |
70oC |
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P |
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(W) |
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100 oC |
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0.75 |
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125 oC |
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0.50 |
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155 oC |
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0.25 |
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Tm ( oC) |
205 oC |
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100000 |
h |
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1 |
kΩ |
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30 |
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10000 |
h |
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kΩ |
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1000 |
h |
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30 |
kΩ |
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10 |
5.0 |
2.0 |
1.0 |
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0.5 |
0.2 |
0.1 % |
∆ |
R |
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MLB660 |
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PR01 |
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Fig.1 Drift nomogram.
2001 Jul 13 |
4 |
BCcomponents Product specification
Professional power metal film resistors PR01/02/03
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2.00 |
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Tamb = 40oC |
70oC |
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P |
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(W) |
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100 oC |
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1.50 |
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125 oC |
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1.00 |
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155 oC |
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0.50 |
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Tm ( oC) |
220 oC |
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100000 |
h |
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h |
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39 |
1 |
kΩ |
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10000 |
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kΩ |
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39 |
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1000 |
h |
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kΩ |
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10 |
5.0 |
2.0 |
1.0 |
0.5 |
0.2 |
0.1 % |
∆ |
R |
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MLB683 |
|
PR02 |
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Fig.2 Drift nomogram.
2001 Jul 13 |
5 |
BCcomponents Product specification
Professional power metal film resistors PR01/02/03
|
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3.00 |
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Tamb = 40 oC |
70 oC |
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P |
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100 oC |
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(W) |
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2.25 |
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o |
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125 C |
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155 oC |
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1.50 |
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0.75 |
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Tm ( oC) |
250 oC |
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h |
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100000 |
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1 |
kΩ |
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h |
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51 |
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10000 |
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kΩ |
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h |
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51 |
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kΩ |
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1000 |
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||
10 |
5.0 |
2.0 |
1.0 |
0.5 |
0.2 |
0.1 % |
∆ |
R |
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|
MLB693 |
PR03 |
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|
Fig.3 Drift nomogram.
2001 Jul 13 |
6 |
BCcomponents |
|
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|
|
Product specification |
||
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||
Professional power metal film resistors |
PR01/02/03 |
||||||
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Limiting values |
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|
TYPE |
LEAD MATERIAL |
RANGE |
LIMITING VOLTAGE(1) |
LIMITING POWER |
|||
(V) |
(W) |
||||||
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||
PR01 |
Cu |
R < 1 Ω |
350 |
0.6 |
|||
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|||||
1 Ω ≤ |
R |
1.0 |
|||||
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||||
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Cu |
R < 1 Ω |
|
1.2 |
||
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||
PR02 |
1 Ω ≤ |
R |
500 |
2.0 |
|||
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|||||||
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FeCu |
1 Ω ≤ |
R |
|
1.3 |
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|
Cu |
R < 1 Ω |
|
1.6 |
||
PR03 |
1 Ω ≤ |
R |
750 |
3.0 |
|||
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|||||||
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|
FeCu |
1 Ω ≤ |
R |
|
2.5 |
Note
1. The maximum voltage that may be continuously applied to the resistor element, see “IEC publication 60115-1”.
The maximum permissible hot-spot temperature is 205 °C for PR01, 220 °C for PR02 and 250 °C for PR03.
The power that the resistor can dissipate depends on the operating temperature; see Fig.4.
Pmax |
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CCB412 |
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(%Prated) |
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100 |
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50 |
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0−55 |
0 |
50 |
70 |
100 |
155 |
|
|
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|
|
Tamb (°C) |
Fig.4 Maximum dissipation (Pmax) in percentage of rated power as a function of the ambient temperature (Tamb).
2001 Jul 13 |
7 |
BCcomponents Product specification
Professional power metal film resistors PR01/02/03
MLB738
103
ˆ
Pmax
(W) tp/ti = 1000
102 |
500 |
200 |
|
|
100 |
|
50 |
|
20 |
10 |
10 |
|
5 |
|
2 |
1 |
|
10−1 |
|
10−6 |
|
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10−5 |
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10−4 |
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10−3 |
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10−2 |
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10−1 |
ti (s) |
1 |
|||||||||||||||||||||||||||||||
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|||
PR01 |
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ˆ |
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|||||||||
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Fig.5 |
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||||||||
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Pulse on a regular basis; maximum permissible peak pulse power (Pmax) as |
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|||||||||||||||||||||||||||||||||||||||||||
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a function of pulse duration (ti). |
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||||||
1200 |
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MLB737 |
||||||
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Vmax |
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(V) |
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1000 |
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800 |
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600 |
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400 |
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200 |
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0 |
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10 1 |
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|||||||||
10 6 |
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10 |
5 |
10 |
4 |
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10 |
3 |
10 |
2 |
t i (s) |
1 |
||||||||||||||||||||||||||||||||||||||||
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PR01 |
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Fig.6 |
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Pulse on a regular basis; maximum permissible peak pulse voltage (Vmax) as |
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a function of pulse duration (ti).
2001 Jul 13 |
8 |