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PEWM

Current Sense Resistor

The PEWM is a current sense resistor from RESI. View the full PEWM datasheet below including key specifications, electrical characteristics.

Manufacturer

RESI

Category

Current Sense Resistor

Key Specifications

ParameterValue
Power(Watts)12W
Resistance0.2mΩ
Temperature Coefficient±150ppm/℃
Tolerance±1%
TypeShunt

Overview

Part: PEWM Series — Kaibu Electronics

Type: High Precision, Low Inductance Pure Alloy Current Sense Resistor

Description: High-precision, low-inductance pure alloy current sense resistor with resistance from 0.5 mΩ to 5 mΩ, accuracy up to ±0.5%, and inductance <3 nH.

Operating Conditions:

  • Operating temperature: -55 to +170 °C
  • Power: 3 W to 5 W (at +70°C)

Absolute Maximum Ratings:

  • Max continuous current: 30 A
  • Max operating temperature: +170 °C

Key Specs:

  • Nominal Resistance: 0.5 mΩ to 5 mΩ
  • Power: 3 W to 5 W (at +70°C)
  • Max. Operating Current: 10 A to 30 A
  • Operating Temperature Range: -55°C to +170°C
  • Temperature Coefficient: ±50 ppm/°C (for 0.5-2 mΩ), ±75 ppm/°C (for 5 mΩ) (at +20°C Ref, +20°C to +170°C)
  • Inductance: <3 nH
  • Accuracy: ±0.5%, ±1%, ±2%
  • Thermal Resistance: 3.3 °C/W to 10 °C/W

Features:

  • Trimming Free Technology
  • High Precision
  • Low Inductance (<3 nH)
  • High Reliability
  • Reduced thermoelectric potential
  • Independent and controllable quality from raw materials to core processes

Applications:

  • Automotive Electronics
  • Precision Power Supplies
  • Formation and Capacity Testing
  • Power Tools
  • Medical Equipment
  • Instrumentation
  • Test and Measurement Equipment

Package:

  • Surface Mount (Taping)

Electrical Characteristics

Series No.Nominal ResistancePower (+°C)Max. Operating CurrentOperating Temperature RangeTemperature Coefficient ppm/°C(+°CRef)Thermal Resistance* °C/ WOptional Accuracy %
PEWM. mΩWA-°C~+°C± (+°C〜+°C ).±. ±. ±.
PEWM. mΩWA-°C~+°C± (+°C〜+°C ).±. ±. ±.
PEWM. mΩWA-°C~+°C± (+°C〜+°C ).±. ±. ±.
PEWM. mΩWA-°C~+°C± (+°C〜+°C ).±. ±. ±.
PEWM.mΩWA-°C~+°C± (+°C〜+°C ).±. ±. ±.

Related Variants

The following components are covered by the same datasheet.

Part NumberManufacturerPackage
PEWM3920FL200R9RESI3920
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