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Specifications
Voltage Rating:
30V
Tolerance:
±20%
Power(Watts):
250mW
Resistance:
500Ω
Mfr. Part #:
JER655HC-501
Package:
Through Hole
Key Attributes
Model Number:
JER655HC-501
Product Description
Product Overview
The JER655HC series ceramic trimmer potentiometer offers high stability, a compact size, and high precision, making it suitable for various electronic applications. It features a rated power of 0.25W and a wide resistance range, utilizing a metal glaze construction. This series is designed for applications requiring reliable and accurate resistance adjustments.
Product Attributes
- Brand: JER
- Series: JER655HC
- Construction: Ceramic Trimmer Potentiometer
- Material: Metal Glaze
- Packaging: 500 pcs/bag
- Standards: Complies with JIS (Japan Standard), meets X IEC Standard, and Old National Standard.
Technical Specifications
| Parameter Name | Specification | Parameter Name | Specification |
|---|---|---|---|
| Rated Power | 0.25W | Resistance Change Characteristic | B (Linear) |
| Nominal Resistance Range | 100-2M | Contact Noise | 100mV |
| Nominal Resistance Tolerance | 20% | Zero Position Resistance | R1K: r01, r03 10; R1K: r01, r03 1%R |
| Maximum Operating Voltage | 30VAC | Total Mechanical Travel | 27010 |
| Effective Travel | 24010 | Rotational Torque | 3mNm ~ 30mNm |
| Stopping Strength | 50mNm | Operating Temperature Range | -30+85 |
| Rotary Life (No Load) | Resistance change within 10% after 502 cycles | Temperature Characteristic (No Load) | Resistance change within 3% after 5 hours at 703 |
| Temperature Cycling (No Load) | Resistance change within 3% after 5 cycles | Long-term Heat Resistance (No Load) | Resistance change within 5% after 50010 hours at 703 |
| Damp Heat Resistance (No Load) | Resistance change within 5% after 50010 hours at 402, 90-95% humidity | Load Life Characteristic | Resistance change within 5% after 50010 hours at 402, 90-95% humidity with rated voltage applied for 1.5 hours, then cut for 0.5 hours per cycle |
| Solder Heat Resistance | Resistance change within 2% after 30.5 seconds immersion in solder at 26010 | Temperature Coefficient | Within 250PPM/ |
| Soldering Condition: Temperature | 26010 | Soldering Condition: Time | Within 3 seconds (total time) |
Nominal Resistance Codes
| Resistance () | Resistance Code | Resistance () | Resistance Code |
|---|---|---|---|
| 100 | 101 | 20000 (20K) | 203 |
| 200 | 201 | 50000 (50K) | 503 |
| 500 | 501 | 100000 (100K) | 104 |
| 1000 (1K) | 102 | 200000 (200K) | 204 |
| 2000 (2K) | 202 | 500000 (500K) | 504 |
| 5000 (5K) | 502 | 1000000 (1M) | 105 |
| 10000 (10K) | 103 |
Product Naming Convention
| Component | Meaning | Example |
|---|---|---|
| JER | Brand | JER |
| 655 | Series | 655 |
| H | Mounting Type | H (Horizontal) |
| C | Structure | C (Dustproof Seal) |
| 102 | Resistance Code | 102 (1K) |
Usage Precautions
- When performing dip soldering, ensure flux is completely dry before soldering to prevent quality degradation. Pay attention to the amount of flux applied.
- Do not immerse the semi-adjustable resistor in solvents. Contact us if cleaning is necessary.
- After inserting into a printed circuit board and assembly, avoid applying excessive force to terminals, the center terminal, or the wiper. This can cause deformation and lead to poor contact. Exercise particular caution with the wiper section on open-type models.
- Store semi-adjustable resistors away from high/low temperatures, high humidity, and corrosive gases. Exercise extra caution for long-term storage.
- When storing, be mindful of the stacking load on the products.
- Implement a First-In, First-Out (FIFO) system for inventory management.
2512081659_JIERR-JER655HC-501_C52033413.pdf
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