Busbar integrated, low cost and highly accurate current detection shunt
Product features
Applications
BMS (12V / 48V / high voltage), inverter, etc
in the fields of automobiles, industrial equipment, and energy,etc.

| item | Numerical value | unit |
|---|---|---|
| Resistance value | 50, 100, custom | μΩ |
| Rated power @105℃ | 16, 32, - | W |
| Temperature coefficient of resistance (T.C.R) | ≦50 | p.p.m/℃ |
| Thermoelectromotive force | ≦2 | μV/℃ |
| Resistance tolerance | ±3 | % |
| Operating temparature Range | −40〜+170 | ℃ |
| Resistance value (μΩ) | A | B | C | D | E | Surface treatment |
|---|---|---|---|---|---|---|
| L (mm) | W (mm) | (mm) | (mm) | T (mm) | Nickel / tin | |
| 50 | 150 | 20 | 130 | 10 | 3 | option |
| 100 | 84 | 18 | 60 | 9 | 3 | option |
| 15~33 | option | option | option | option | option | option |
| Example: CMRB8418T3N2P | |||||
|---|---|---|---|---|---|
| CMR | B | 8418 | T3 | N | 2P |
| Type | Resistance value |
External size |
Thickness | surface treatment |
Number of terminals |
|---|---|---|---|---|---|
| CMR-ESGA | A:50μΩ | 15020 L150 × W20 |
T3 3mm | N No surface treatment | 0P 0Pin |
| B:100μΩ | 8418 L84 × W18 |
1 Nickel processing | 2P 2Pin | ||
| 2 Tin processing | 3P 3Pin |
| item | Test conditions | Standard value ΔR |
|---|---|---|
| High Temparature Exposure | +175℃ / no load / 1,000Hr | ±1.0% |
| Rapid change of temparature | -55℃〜150℃ / 1,000cyc / 30mincyc | ±0.5% |
| Moisture resistance | Compliant with MIL-STD-202 | ±0.5% |
| Moisture load | +85℃ / 8 5RH / 10%Bias / 1,000Hr | ±0.5% |
| Load life | terminal+75℃ / freeze frame power / 1,000hr | ±1.0% |
| Low Temparature Exposure | -65℃ / no load / 1,000Hr | ±0.5% |
| Vibration | 10〜2,000Hz / 20min / 3 direction each 4Hr | ±0.5% |
| Impact | 100G / 6msec / 6 direction each 5times | ±0.5% |