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Specifications
Voltage Rating:
30V
Tolerance:
±20%
Power(Watts):
250mW
Resistance:
50kΩ
Mfr. Part #:
JER805HM-503
Package:
Through Hole
Key Attributes
Model Number:
JER805HM-503
Product Description
Product Overview
The JER805HM series ceramic trimmer potentiometers offer high stability, a compact size, and high precision, making them suitable for various electronic applications. These potentiometers feature a rated power of 0.5W, a wide resistance range, and are constructed with a metal glaze material. They are designed for reliable performance with excellent resistance to temperature fluctuations and mechanical stress.
Product Attributes
- Brand: JER
- Series: JER805HM
- Type: Ceramic trimmer potentiometer
- Material: Metal glaze
- Adjustment Type: Micro adjustment
- Mounting Style: Horizontal
- Standard Packaging: 200 pcs/bag
- Compliance: Meets JIS standards (B)
Technical Specifications
| Parameter Name | Parameter Index |
|---|---|
| Electrical Characteristics | |
| Nominal Resistance | 300 - 2M |
| Tolerance of Nominal Resistance | 20% |
| Resistance Variation Characteristic | B (Linear) |
| Rated Power | 0.5W |
| Maximum Operating Voltage | 30VAC |
| Wiper Noise | 100mV |
| Zero Position Resistance | R1K: r01, r03 10; R1K: r01, r03 < 1%R |
| Physical Characteristics | |
| Total Mechanical Travel | 270 10 |
| Effective Travel | 240 10 |
| Rotational Torque | 3mNm ~ 30mNm |
| Detent Strength | 50mNm |
| Reliability | |
| Operating Temperature Range | -30 ~ +85 |
| Rotational 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 |
| Heat Resistance (Long Term, 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% RH |
| Load Life Characteristic | Resistance change within 5% after 50010 hours under rated voltage at 402, 90-95% RH |
| Solder Heat Resistance | Resistance change within 2% after 1 hour at room temperature following 30.5 seconds immersion in 26010 solder bath |
| Temperature Coefficient | Within 250PPM/ |
| Soldering Conditions | |
| Temperature | 26010 |
| Time | Within 3 seconds (total time) |
| Product Naming Convention | |
| Format | JER - 805 - H - M - [Resistance Code] |
| JER | Series |
| 805 | Model |
| H | Mounting Style (Horizontal) |
| M | Adjustment Type (Micro adjustment) |
| Resistance Code | e.g., 101 (100), 102 (1K), 103 (10K) |
Usage Precautions
- Ensure flux is completely dry before soldering to prevent quality degradation. Pay attention to the amount of flux applied.
- Do not immerse the trimmer potentiometer in solvents. Contact us if cleaning is necessary.
- Avoid applying excessive force to terminals, center terminals, or wiper contacts during PCB insertion and assembly to prevent deformation and poor contact, especially with open-type designs.
- Store away from high/low temperatures, high humidity, and corrosive gases. Exercise extra caution for long-term storage.
- Be mindful of the stacking pressure on the products during storage.
- Implement a First-In, First-Out (FIFO) inventory management system.
2512081700_JIERR-JER805HM-503_C52033441.pdf
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