
Features
Shunt resistance,shunt resistor current measurement,current shunt,current sensing shunt.
Excellent Long Term Stability
Temperature Coefficient≤50ppm/℃
Comply With EU ROHS Standards
Special Specifications Can Be Customized
Electron Beam Welding, packaging
Sustain High Temperature
Inductance <3nH
Refer No.: WSL3637
Dimensions
I1&I2 -- Input current, U1&U2 -- Output
| Type | L (mm) | W (mm) | T (mm) | B (mm) | C (mm) | A (mm) | Power (W) | Resistance (mΩ) | Accuracy |
| SE-3637-M/K/F | 9.1±0.25 | 9.4±0.25 | 0.8±0.25 | 1.6±0.25 | 0.82±0.25 | 3.5±0.25 | 3 | 0.2 | 1%
5% |
| 3.2±0.25 | 3 | 0.3~1.0 | |||||||
| 2.4±0.25 | 3 | 2.0~10.0 | |||||||
| M: Manganin K: Karma F: FeCrAl | |||||||||
Solder Pad Dimensions
![]() | Resistance | a (mm) | b (mm) | C (mm) |
| 0.2~1.0mΩ | 9.91 | 4.27 | 1.88 | |
| 2~10mΩ | 9.91 | 3.18 | 4.06 |
Construction

Applications
Frequency Converters
Power Modules
Current Sensor for Power Hybrid Applications
Communication System
Automatic Control Power Supply
High Current Applications For the Automotive Market
Electrical Features
Parameters Characteristics
| Test Item | Specifications | Test Methods |
| T.C.R | Within Specified T.C.R | -55℃ and 125℃(IEC 60115-1 14.8) |
| Solderability | 95% Cover Min | Lead-free solder hath at 245±5℃,3s |
| Short Time Overload | No mechanical damage △R≤±1.0%R | 5PR,5s (IEC 60115-1 4.13) |
| Rapid Change to Temp. | No mechanical damage △R≤±1.0%R | -55℃(30min)~normal temp.(5min)~125℃(30min), 1000 cycles |
| Soldering Heat | No mechanical damage △R≤±1.0%R | Lead-free solder bath at 260±2℃,10±1s |
| Damp Heat,Steady State | No mechanical damage △R≤±1.0%R | 40±2℃,RH93±3%,1000h,Rate current or limiting element current whichever is lower is lower 1.5h ON/0.5h OFF |
| Endurance at 70℃ | No mechanical damage △R≤±1.0%R | 70±2℃,1000h,Rate current or limiting element current whichever is lower is lower 1.5h ON/0.5h OFF |
| High Temp. | No mechanical damage △R≤±1.0%R | 170℃,1000h |
Derating Curve
