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Specifications
Tolerance:
±3%
Temperature Coefficient:
±50ppm/℃
Power(Watts):
2W
Resistance:
1kΩ
Mfr. Part #:
3682S-1-102L
Model Number:
3682S-1-102L
Key Attributes
Product Description
Product Overview
The 3680 Family of Precision Potentiometers offers repeatable settings and high resolution, with digital displays for excellent readability. Designed for snap-in panel mounting and RoHS compliance, these potentiometers are suitable for applications requiring precise control and reliable performance.
Product Attributes
- Brand: Bourns
- Family: 3680
- Certifications: RoHS compliant*
Technical Specifications
| Specification | Details |
|---|---|
| Standard Resistance Range | 10 ohms to 1 megohm |
| Total Resistance Tolerance | 3 % |
| Dielectric Withstanding Voltage (Sea Level) | 1,000 VAC minimum |
| Power Rating (+25 C) | 2 watts |
| Power Rating (+85 C) | 0 watt |
| Insulation Resistance (500 VDC) | 1,000 megohms minimum |
| Absolute Minimum Resistance | 3 ohms or 0.2 % maximum (whichever is greater) |
| Accuracy (Dial Reading to Output Ratio) | 1.0 % full scale |
| Operating Temperature Range | -25 C to +85 C |
| Storage Temperature Range | -25 C to +85 C |
| Temperature Coefficient Over Storage Temperature Range | 100 ppm/C maximum |
| Vibration | 10 G |
| Wiper Bounce (Vibration) | 0.1 millisecond maximum |
| Total Resistance Shift (Vibration) | 1 % maximum |
| Voltage Ratio Shift (Vibration) | 0.2 % maximum |
| Shock | 50 G |
| Wiper Bounce (Shock) | 0.1 millisecond maximum |
| Total Resistance Shift (Shock) | 1 % maximum |
| Voltage Ratio Shift (Shock) | 0.2 % maximum |
| Load Life | 1,000 hours, 2 watts |
| Total Resistance Shift (Load Life) | 2 % maximum |
| Rotational Life | 75,000 button operations each decade |
| Total Resistance Shift (Rotational Life) | 2 % maximum |
| IP Rating | IP 40 |
| Soldering Condition (Manual) | 96.5Sn/3.0Ag/0.5Cu solid wire or no-clean |
| Soldering Condition (Wave) | 96.5Sn/3.0Ag/0.5Cu solder with no-clean flux; 260 C (500 F) max. for 5 seconds |
| Wash processes | Not recommended |
| Marking | Manufacturers name and part number, resistance value and date code. |
| Ganging (Multiple Section Potentiometers) | Up to 5 decades maximum |
| Readout Marking | 10 positions, 0-9 |
| Actuating Force | 19 to 29 oz. on detent decades |
| Actuating Force Variation | 4 oz. maximum |
| Tolerances (Decimals) | .XX (.015), .XXX (.005) |
| Tolerances (Fractions) | 1/64 |
| Tolerances (General, Except Where Noted) | .38 (.015) |
| Tolerances (MM Dimensions) | .13 |
Model Specific Dimensions and Weight
| Model | a (mm/in) | b (mm/in) | c (mm/in) | d (mm/in) | e (mm/in) | Weight (gms) |
|---|---|---|---|---|---|---|
| 3681 | 16.51 (.650) | 14.99 (.590) | 9.91 (.39) | 4.19 (.165) | 9.5 | |
| 3682 | 26.67 (1.05) | 25.15 (.99) | 10.67 (.42) | 11.94 (.47) | 8.38 (.330) | 16.5 |
| 3683 | 37.08 (1.46) | 35.31 (1.39) | 18.54 (.73) | 11.94 (.47) | 4.19 (.165) | 23.5 |
| 3684 | 47.50 (1.87) | 45.47 (1.79) | 30.73 (1.21) | 11.94 (.47) | 8.38 (.330) | 30.5 |
| 3685 | 57.66 (2.270) | 55.63 (2.190) | 39.12 (1.540) | 11.94 (.47) | 4.19 (.165) | 37.5 |
Recommended Panel Cutout
| Model | f (mm/in) | g (mm/in) |
|---|---|---|
| 3681 | 21.08 (.830) | 15.75 (.620) |
| 3682 | 21.08 (.830) | 25.91 (1.020) |
| 3683 | 21.08 (.830) | 36.07 (1.420) |
| 3684 | 21.08 (.830) | 46.23 (1.820) |
| 3685 | 21.08 (.830) | 56.39 (2.220) |
Resolution Specifications by Model
| Model | Resolution |
|---|---|
| 3681 | 10 % |
| 3682 | 1 % |
| 3683 | 0.1 % |
| 3684 | 0.01 % |
| 3685 | 0.001 % |
Recommended Part Numbers (Examples)
| Model | Resistance () | Part Number Example |
|---|---|---|
| 3681 | 50 | 3681S-1-50 |
| 3681 | 100 | 3681S-1-101 |
| 3682 | 100 | 3682S-1-101 |
| 3683 | 100 | 3683S-1-101 |
| 3684 | 100 | 3684S-1-101 |
| 3685 | 100 | 3685S-1-101 |
| 3685 | 1 Meg | 3685S-1-105L |
*RoHS COMPLIANT
2411220427_BOURNS-3682S-1-102L_C17637418.pdf
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