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PAC 01..06 Series
Vishay BCcomponents
Cemented Wirewound Precision Resistors
FEATURES
• High power dissipation in small volume
• Ideal for pulse application
• TCR ± 100 ppm/K
• Maximum permissible hot spot temperature
is 275 °C
• Lead (Pb)-free
• Tolerance 1 %
RoHS
COMPLIANT
The resistor element is a resistive wire which is wound in a
single layer on a ceramic rod. Metal caps are pressed over
the ends of the rod. The ends of the resistance wire and the
leads are connected to the caps by welding. Tinned
copper-clad iron leads with poor heat conductivity are
employed permitting the use of relatively short leads to
The resistor is coated with a green silicon cement which is
not resistant to aggressive fluxes. The coating is
non-inflammable, will not drip even at high overloads and is
resistant to most commonly used cleaning solvents, in
accordance with “MIL-STD-202E, method 215” and
“IEC 60068-2-45”.
obtain stable mounting without overheating the solder joint.
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL
MODEL
PAC100 PAC01 1 1 R10 - 2K2
PAC200 PAC02 2 1 R10 - 3K6
PAC300 PAC03 3 1 R10 - 4K7
PAC400 PAC04 4 1 R10 - 8K2
PAC500 PAC05 5 1 R10 - 10K
PAC600 PAC06 6 1 R10 - 12K
HISTORICAL
MODEL
P
25 °C
W
TOLERANCE
E24/E96 series
± %
LIMITING
VOLTAGE
V
Px R
Px R
Px R
Px R
Px R
Px R
RESISTANCE
RANGE
TCR ± 100 ppm/k
Ω
* For Pulse Diagrams see AC..series (28730)
12NC ORDERING CODE INDICATING RESISTOR TYPE AND PACKAGING
ORDERING CODE 2306 327 .....
TYPE
500 units 1000 units
PA C0 1
PAC02 2306 327 0....
PAC03 2306 327 1....
PAC04 2306 327 2....
PAC05 2306 327 3....
PAC06 2306 327 4....
Note
1. Radial taped version available on request. 2500 pcs Ammo packaging
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126 Revision: 21-Jun-06
1)
-
BANDOLIER IN AMMOPACK
2306 327 5....
−
−
−
−
−
PAC 01..06 Series
Cemented Wirewound Precision Resistors
GLOBAL PART NUMBER INFORMATION
New Global Part Numbering: PAC300004641FAC000 (preferred part number format)
3000 4700AC FAC 01P 00
MODEL
(see Standard
Electrical
Specifications
table)
Historical Part Number example: PAC03 4K7 1 % AC (will continue to be accepted)
PAC03 4K7 1 % AC
SPECIAL
CHARACTER
0 = neutral
1 = DK SP 20 mm
Z = value overflow
(Special)
TCR/MATERIAL VALUE TOLERANCE PACKING SPECIAL
0 = standard
(100 ppm)
K = 90 ppm
C = 50 ppm
L = 30 ppm
3 digit value
1 digit multiplier
1)
1)
1)
Multiplier:
7 = *10
8 = *10
9 = *10
0 = *10
1 = *10
2 = *10
3 = *10
4 = *10
5 = *10
-3
-2
-1
0
1
2
3
4
5
F = ± 1.0 % (see Packing table) The 3 digits are used
Vishay BCcomponents
for all special part
styles. To encode the
non standard
specifications all
special parts of one
series are listed in a
cross reference
table.
000 = standard
0E0 = CECC E0
0E6 = CECC E6
HISTORICAL MODEL VALUE TOLERANCE PACKING
Note:
1)
Is available request for specific
PACKING TABLE
SAP DESCRIPTION TYPE
A1 Bandolier in ammopack, 1000 pcs. PAC01
AC Bandolier in ammopack, 500 pcs.
L1 Loose 1000 pcs. PAC02
* Radial taped version available on request
PAC02, PAC03, PAC04,
PAC05, PAC06
Document Number: 28731 For technical questions contact: ww1resistors@vishay.com
www.vishay.com
Revision: 21-Jun-06 127
PAC 01..06 Series
Vishay BCcomponents
Cemented Wirewound Precision Resistors
DIMENSIONS
G
D
L
d
For packaging dimensions see separate packaging dimensions page.
DIMENSIONS in millimeters [inches]
MODEL
PAC01 4.3 [0.169] 10 [0.394]
PAC02 4.8 [0.189] 13 [0.512] 63 ± 1 [2.480 ± 0.039] 75
PAC03 5.5 [0.217] 17 [0.669] 63 ± 1 [2.480 ± 0.039] 110
PAC04 7.5 [0.295] 17 [0.669] 73 ± 1 [2.874 ± 0.039] 190
D max L max d G
63 ± 1 [2.480 ± 0.039] 52
0.8 ± 0.03
[0.031 ± 0.001]
WEIGHT g
per 100 units
PAC05 7.5 [0.295] 25 [0.984] 73 ± 1 [2.874 ± 0.039] 260
PAC06 7.5 [0.295] 25 [0.984] 73 ± 1 [2.874 ± 0.039] 260
PERFORMANCE
TEST TEST RESULTS
Climatic category 55/200/56
Damp heat, steady state 56d : ± 1 % + 0.05 Ω
Storage 1000 hours, 200 °C, no load : ± 1 % + 0.05 Ω
Climatic sequence : ± 0.5 % + 0.05 Ω
Load life 1000 h : ± 0.5 % + 0.05 Ω
Resistance to soldering heat : ± 0.2 % + 0.05 Ω
--------
R
--------
R
--------
R
--------
R
--------
R
RΔ
RΔ
RΔ
RΔ
RΔ
max
max
max
max
max
Robustness of termination, 10N : ± 0.1 % + 0.05 Ω
Short time overload, 10 x rated power x 5 sec. : ± 0.2 % + 0.05 Ω
www.vishay.com For technical questions contact: ww1resistors@vishay.com Document Number: 28731
128 Revision: 21-Jun-06
--------
R
--------
R
RΔ
RΔ
max
max
PAC 01..06 Series
Cemented Wirewound Precision
100
80
60
40
20
0
0 50 100 150 200 250 300
Maximum dissipation (P
of the ambient temperature (T
ORDERING INFORMATION
Ordering Code (12NC)
• The resistors have a 12-digit ordering code staring with
2306 327
• The subsequent first digit indicates the resistor type and
packaging; see the 12NC Ordering Code table.
• The remaining 4 digits indicate the resistance value:
– The first 3 digits indicate the resistance value.
– The last digit indicates the resistance decade in
accordance with the 12NC Indicating Resistance
Decade table.
Vishay
T
[°C]
amb
) as a function
max
Last Digit of 12NC Indicating Resistance Decade
Ordering Example
The ordering code for an PAC02, resistor value 47 Ω with
± 1 % tolerance, supplied in ammopack of 500 units is:
2306 327 04709.
Product specifications deviating from the standard values
are available on request.
).
amb
RESISTANCE DECADE LAST DIGIT
0.10 to 0.976 Ω 7
1to9.76Ω 8
10 to 97.6 Ω 9
100 to 976 Ω 1
1to9.76kΩ 2
10 to 12 kΩ 3
Document Number: 28731 For technical questions contact: ww1resistors@vishay.com
Revision: 21-Jun-06 129
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