Product Overview
The JER825V series ceramic trimmer potentiometers are designed for high stability, small size, and high precision applications. These potentiometers feature a rated power of 0.5 watts, a wide resistance range, and a metal glaze construction. They are suitable for applications requiring precise adjustments and reliable performance.
Product Attributes
- Brand: JER
- Series: JER825V
- Type: Ceramic Trimmer Potentiometer
- Construction: Metal Glaze
- Resistance Change Characteristic: Linear (B)
- Standard Packaging: 200 pcs/bag
- Compliance: Meets JIS standards (B)
Technical Specifications
| Parameter Name | Parameter Index |
|---|---|
| Electrical Characteristics | |
| Rated Resistance | 300-2M |
| Tolerance of Rated Resistance | 20% |
| Rated Power | 0.5W |
| Maximum Operating Voltage | 30VAC |
| Rotational Noise | 100mV |
| Zero Position Resistance | R1K: r01, r03 10 R1K: r01, r03 < 1%R |
| Physical Characteristics | |
| Total Mechanical Travel | 27010 |
| Effective Travel | 24010 |
| Rotational Torque | 3mNm ~ 30mNm |
| Stopping Strength | 50mNm |
| Nominal Resistance Code Table | |
| Resistance () | Resistance Code |
| 100 | 101 |
| 200 | 201 |
| 500 | 501 |
| 1K (1000) | 102 |
| 2K (2000) | 202 |
| 5K (5000) | 502 |
| 10K (10000) | 103 |
| 20K (20000) | 203 |
| 50K (50000) | 503 |
| 100K (100000) | 104 |
| 200K (200000) | 204 |
| 500K (500000) | 504 |
| 1M (1000000) | 105 |
| Reliability | |
| Operating Temperature Range | -30+85 |
| Rotational Life Test (No Load) | Resistance change within 10% after 502 cycles at 90% of effective angle, at a speed of 6 sec/cycle. |
| Temperature Characteristic (No Load) | Resistance change within 3% after 5 hours at 703. |
| Temperature Cycling (No Load) | Resistance change within 3% after 5 cycles of (-30 (30min) -> Room Temp/Humidity (15min) -> 85 (30min) -> Room Temp/Humidity (15min)) followed by 2 hours at room temperature/humidity. |
| Long-Term Heat Resistance (No Load) | Resistance change within 5% after 50010 hours at 703, followed by 2 hours at room temperature/humidity. |
| Damp Heat Resistance (No Load) | Resistance change within 5% after 50010 hours at 402, 90-95% humidity, followed by 5 hours at room temperature/humidity. |
| Load Life Test | Resistance change within 5% after 50010 hours of cyclic operation (1.5 hours rated voltage, 0.5 hours cut-off) at 402, 90-95% humidity, followed by 5 hours at room temperature/humidity. |
| Solder Heat Resistance | Resistance change within 2% after 30.5 seconds immersion in a solder bath at 26010 (terminal tip 1.5-2.0mm from tip), followed by 1 hour at room temperature/humidity. |
| Temperature Coefficient | Within 250PPM/ for 25(30min) -> -30(30min) -> 25(30min) -> 85(30min) placement. |
| Soldering Conditions | Temperature: 26010 Time: Within 3 seconds (total time) |
| Product Naming Rule | |
| Rule | JER 825 V 102 |
| Component | Series |
| JER 825 | V (Vertical Mount) |
| Resistance Code | 101, 102, 103, 104 |
| Usage Precautions | |
| Soldering Flux | Ensure flux is thoroughly dried after application to prevent quality degradation. Pay attention to the amount of flux applied. |
| Cleaning | Do not immerse semi-adjustable resistors in solvents. Contact us if cleaning is necessary. |
| Handling | Avoid applying excessive force to terminals, center terminals, or wiper parts during PCB insertion and assembly to prevent deformation and poor contact. Exercise particular caution with the wiper mechanism on open-type units. |
| Storage Environment | Avoid high and low temperatures, high humidity, and corrosive gas environments. Pay extra attention to long-term storage. |
| Stacking | Be mindful of the stacking weight on the products during storage. |
| Inventory Management | Employ a First-In, First-Out (FIFO) system for inventory management. |
2512081659_JIERR-JER825V-504_C52033419.pdf
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