MVR3825-4/MVR4618-4 are Microhm's regular and popular precision shunt resistors. They catch customers' attention because of high precison and other merits.

Welcome to know them with us starting from below information.

Features:

• Resistances from 0.001Ohm to 100Ohms

• Power Rating to 50Watt

• Resistance Tolerances to ±0.1%

• TCR to ±10 ppm/K

• Very Low Inductance

• Load stability to 0.1%  

Specification:

• Resistance Range: 0.001 to 100 Ohms

• Power Rating: Free air 70℃: 3W / With heatsink: 50W

• Tolerances( from 0R001): 0.1% / 0.25% / 0.5% / 1% / 2% / 5%

• Thermal Resistance: 1.6K/W

• Stability(1000h): 0.1%/ 0.2% / 0.5%(depends on stress)

• Temperature Coefficient

1. Standard (Q):  ±25ppm/K(20 to 60℃）

2. Option (R) extended temperature range: ±50ppm/K(-40 to 130℃） 

3. Other specifications upon request

• Voltage Proof: 500 VDC

• Maximum Current: 150A

• Thermal EMF: < 1μV/K

• Operating Temperature Range: -40 to 130℃

• Resistor Material: CuNiMn-Foil

• Substrate: Anodized aluminium

• Housing : Epoxy

• Connector Material: Cu / tinned

• Terminals: 4 (standard contact K)

• Max. Torque: 1 Nm

Please note that the MVR Series Resistors must be attached to a suitable heatsink. The maximum internal resistor temperature is 130℃。