PSS-2025 Alloy Shunt Resistor
product feature
- Electron beam welding process, accurate sampling;
- High reliability, high overload capacity, high product accuracy;
- Wide operating temperature range non-inductive design, inductance less than 10 Nahen.
electrical parameter
| Series | Rated Current | Resistance | Resistance Tolerance | Operating Temperature | 20~60℃ Temperature Coefficient (TCR) (ppm/℃) | Material |
|---|---|---|---|---|---|---|
| PSS | 150A | 0.1mΩ | ±1% | -55℃ ~ +170℃ | ±25 | 6J13 |
| PSS | 120A | 0.3mΩ | ±1% | -55℃ ~ +170℃ | ±25 | 6J22 |
"*" : For other resistance values, contact the factory PSS2025-0M10F-K
Series naming
PSS 2025 - 0M30 F - M
【1】 【2】 【3】 【4】 【5】
【1】Series name: PSS: chip shunt;
【2】Product size: 2025: length 20mm, width 25mm;
【3】Resistance: 0M10: 0.1mΩ, 0M30: 0.3mΩ
【4】Resistance accuracy: F: ±1%;
【5】Material: M: CuMn, K: Karma, F: FeCr.
Product size
Unit:mm
| Specification | L (mm) | W (mm) | A (mm) | B (mm) | C (mm) | D (mm) | E (mm) | T (mm) | Material |
|---|---|---|---|---|---|---|---|---|---|
| 2025-0.1mΩ | 25±0.5 | 20±0.5 | 5±0.5 | 6±0.5 | 6±0.3 | 3±0.5 | 10±0.5 | 2±0.1 | M |
| 2025-0.3mΩ | 25±0.5 | 20±0.5 | 6±0.5 | 6±0.5 | 7±0.3 | 3±0.5 | 8±0.5 | 2±0.1 | K |
| Recommended pad | w | c | a | b | d |
| 22 | 26 | 2.4 | 14 | 5.4 |
Power curve
For resistors operating at ambient temperatures of 70°C, reduce the rated power according to the following curve:
Performance Testing
| Item | Test Method | Criteria | Standard |
|---|---|---|---|
| Temperature Coefficient of Resistance (TCR) | TCR = (R - R0) / R0 (T2 - T1) × 10^6 R0: Resistance at 20℃ R: Resistance at 60℃ T1: 20℃ T2: 60℃ | Reference specification | MIL-STD-202 Method 304 |
| Short-Time Overload | 5 times rated power, 5 seconds | ≤ ±0.5% | MIL-R-26E |
Packaging
Tray, 50pcs per tray or customized