BOURNS 3313 Service Manual
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex.
†“Fluorinert” is a registered trademark of 3M Co.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
3313 - 3 mm Trimming Potentiometer
Electrical Characteristics
Standard Resistance Range
........................10 ohms to 2 megohms
(see standard resistance table)
Resistance Tolerance ............±20 % std.
End Resistance.......1 % or 3 ohms max.
(whichever is greater)
Contact Resistance Variation
.......................................3 % or 3 ohms
Adjustability
Voltage Divider...........................±0.1 %
Rheostat ....................................±0.2 %
Resolution.....................................Infinite
Insulation Resistance ................500 vdc.
100 megohms min.
Dielectric Strength
Sea Level ..................................500 vac
70,000 Feet...............................350 vac
Adjustment Angle ...................220° nom.
Environmental Characteristics
Max. Soldering Exposure
..................................260 °C/5 seconds
Power Rating (200 volts max.)
70 °C ....................................0.125 watt
125 °C .........................................0 watt
Operating Temp. Range
.....................................-55 °C to +125 °C
Temperature Coefficient
.....................≤100 ohms ±150 ppm/°C;
>100 ohms ±100 ppm/°C
Seal Test........................85 °C Fluorinert
†
Humidity .......MIL-STD 202, Method 106
(no vibration) TRS ±3 %;
IR 10 megohms
Vibration......20 G TRS ±1 %; VRS ±1 %
Shock........100 G TRS ±1 %; VRS ±1 %
Load Life ...............................1000 hours
@ 70 °C Rated Power;TRS ± 3 %
Rotational Life ......100 cycles TRS ±3 %
Thermal Shock...........................5 cycles
TRS ±2 %; VRS ±1 %
Physical Characteristics
Mechanical Angle ..................250 ° nom.
Torque ...............................50 g-cm max.
Stop Strength...................200 g-cm min.
Pushover Strength (“S” only)
...........1.6 Kilograms (3.5 lbs) minimum
Flammability...........................U.L. 94V-0
Weight...........................Approx. 0.01 oz.
Marking ........................Resistance code
and date code
Wiper................50 % (Actual TR) ±10 %
Standard Packaging
J Style .......................1000 pcs./7 ” reel
S Style.........................200 pcs./7 ” reel
Adjustment Tool ..............................H-91
3313J-1
RECOMMENDED LAND PATTERN
3.5 ± 0.2
(.138 ± .008)
3
2
1
1.5 ± 0.15
(.059 ± .006)
2.3 ± 0.2
(.091 ± .008)
1.3 ± 0.1
(.051 ± .004)
0.65
(.026)
1.1
(.043)
0.6
(.024)
4.5
(.177)
1.6
(.063)
2.2 ± 0.2
(.087 ± .008)
0.15
(.006)
ADJ. SLOT
0.52
(.020)
1.93
(.076)
0.51
(.020)
1.6
(.063)
0.6
(.024)
1.1
(.043)
1.60
(.063)
0.66 ± 0.1
(.026 ± .004)
WIDE
X
X
DEEP
LONG
2 PLCS
2 PLCS
1.47 ± 0.15
(.058 ± .006)
3313J-2
3.5 ± 0.2
(.138 ± .008)
3
2
1
ADJ. CROSS SLOT
0.45
(.018)
0.51
(.020)
1.42
(.056)
1.68
(.066)
WIDE
DEEP
X
3.2 +0.4/-0.2
(.126 +.016/-.008)
3.2 +0.4/-0.2
(.126 +.016/-.008)
Features
■ Surface Mount 3 mm Square
Single-Turn Cermet / Sealed
■ Compatible with surface mount
manufacturing processes
■ Rotor stop for “in-circuit” adjustment
■ 100 cycle rotational and seal life
■ Patent #5043695 assembly for seal
integrity
■ Plastic housing for RF applications
■ RoHS compliant* - see processing
information on lead free surface mount
trimmers
1
3
CW
CLOCKWISE
CCW
2
WIPER
DIMENSIONS ARE:
MM
(INCHES)
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
*RoHS COMPLIANT
Product Dimensions
3313X-2
3.5 ± 0.2
(.138 ± .008)
1
2
3
ADJ. SLOT
0.52
(.020)
1.93
(.076)
0.51
(.020)
WIDE
X
X
DEEP
LONG
3313X-1
3.5 ± 0.2
(.138 ± .008)
1
2
3
ADJ. SLOT
0.52
(.020)
1.93
(.076)
0.51
(.020)
WIDE
X
X
DEEP
LONG
1.42
(.056)
1.68
(.066)
3.2 +0.4/-0.2
(.126 +.016/-.008)
3.2 +0.4/-0.2
(.126 +.016/-.008)
0.58
(.023)
1.3 ± 0.1
(.051 ± .004)
2.3 ± 0.2
(.091 ± .008)
REF.
1.50 ± 0.15
(.059 ± .006)
0.58
(.023)
REF.
2.2 ± 0.2
(.087 ± .008)
0.15
(.006)
长乐丰电子
0755-83281866
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
3.8 ± 0.2
(.150 ± .008)
5.52 ± 0.18
(.217 ± .007)
2.0 ± 0.10
(.079 ± .004)
1.75 ± 0.10
(.069 ± .004)
12.0 ± 0.20
(.472 ± .008)
1.5 ± 0.10
(.059 ± .004)
Meets EIA 481
21.01 ± 0.79
(.827 ± .031)
13.0 ± 0.51
(.512 ± .020)
178.0 ± 2.03
(7.008 ± .080)
EQUAL
SPACED
3 PLCS
MIN.
60.0 ± 2.0
(2.362 ± .079)
12.40 + 2.00/ -.000
(.488 + .079/ -.000)
2.67
(.105)
REEL
TAPE
2.50 ± .10
(.098 ± .004)
.30 ± 0.10
(.012 ± .004)
4.0 ± 0.10
(.157 ± .004)
1.5 ± 0.20
(.059 ± .008)
4.0 ± 0.10
(.157 ± .004)
DIA.
DIA.
1.78
(.070)
3313J/X Packaging Specifications 3313S Packaging Specifications
DIMENSIONS ARE:
MM
(INCHES)
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
Standard Resistance Table
Popular distribution resistance values listed in
boldface. Special resistances available.
Resistance Part Marking Resistance
(Ohms) Code Code
10 A1 100
20 21 200
50 51 500
100 A2 101
200 22 201
500 52 501
1,000 A3 102
2,000 23 202
5,000 53 502
10,000 A4 103
20,000 24 203
50,000 54 503
100,000 A5 104
200,000 25 204
500,000 55 504
1,000,000 A6 105
2,000,000 26 205
3313 - 3 mm Trimming Potentiometer
REV. 11/06
How To Order
3313 J - 1 - 502 E
Model
Style
Standard or Modified
Product Indicator
-1 = Single Slot
-2 = Cross Slot
Resistance Code
Embossed Tape
1000 pcs. / 7 ” Reel (J Style)
200 pcs. / 7 ” Reel (S Style)
Product Dimensions
长乐丰电子
0755-83281866
3313S-1
3313S-2
0.71 ± 0.20
(.028 ± .008)
RECOMMENDED LAND PATTERN
1.57
3 PLCS
(.062)
3.02
(.119)
3.02
(.119)
(.109)
5.35
(.211)
2.77
2.39
(.094)
2.39
(.094)
TYP
3
3
(.006 ± .001)
Position Rotor As Shown
±11° Of Centerline
Within
Of Terminal 2
3.61 ± .20
(.142 ± .008)
ADJ. SLOT
± 0.03
.52
(.020 ± .001)
1.93
X
(.076 ± .001)
± 0.06
.51
X
(.020 ± .002)
2
1
Position Rotor As Shown
±11° Of Centerline
Within
Of Terminal 2
3.61
(.142)
ADJ. SLOT
± 0.03
.45
(.018 ± .001)
1.93
X
(.076 ± .001)
± 0.06
.51
X
(.020 ± .002)
2
1
3.71
(.146)
0.15 ± 0.03
1.15
(.045)
1.57
(.062)
1.12
(.044)
± 0.03
± 0.03
1.30
(.051)
TYP
2.62
(.103)
2 PLCS
WIDE
LONG
DEEP
WIDE
LONG
DEEP
TAPE
REEL
DIA.
5.80 ± 0.10
(.228 ± .004)
5° ± 2°
7.50 ± 0.10
(.295 ± .004)
12.00 ± 0.10
(.472 ± .004)
16.40 + 2.00/ -.000
(.646 + .079/ -.000)
4.10 ± 0.20
(.161 ± .008)
2.67
(.105)
60.0 ± 2.0
(2.330 ± .080)
.40
MAX.
(.016)
2.00 ± .010
(.079 ± .004)
4.00 ± .10
(.157 ± .004)
1.5 ± .10
(.059 ± .004)
1.5 ± 0.20
(.059 ± .008)
16.00 ± .30
(.630 ± .012)
EQUAL
SPACED
1.78
(.070)
3 PLCS
MIN.
13.00 ± 0.51
(.512 ± .020)
4.20 ± .020
(.165 ± .008)
DIA.
DIA.
177.8 ± 2.03
(7.000 ± .080)
DIA.
21.01 ± 0.79
(.827 ± .031)
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