WELWYN  W21-0R39JI  Through Hole Resistor, 0.39 ohm, 100 V, Axial Leaded, 3 W, ± 5%, W21 Series

Technical Data Sheet (552.29KB) EN See all Technical Docs

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Product Overview

The Welwyn W21 series wirewound resistors are highly stable and reliable resistors offering high power and resistance in a small size. The Resistance range includes E24 decade values from 1ohm to 10 ohm. W21 series are suitable for use in harsh environments and Ideal for protection circuits. A high purity ceramic substrate is assembled with interference fit end caps to which are welded the termination wires. The resistive element is wound on substrate and welded to caps.
  • Power rating at 25°C is 3W
  • ±1%, ±2% and ±5% tolerance
  • Operating temperature range -55°C to 200°C
  • Temperature coefficient is <±75ppm/°C


Product Information

Voltage Rating:
Resistor Case Style:
Axial Leaded
Power Rating:
Resistance Tolerance:
± 5%
Product Range:
W21 Series
Resistor Element Type:
Temperature Coefficient:
± 75ppm/°C
Automotive Qualification Standard:
No SVHC (15-Jun-2015)

Find similar products  grouped by common attribute


  • Industrial;
  • Power Management;
  • Consumer Electronics;
  • Portable Devices

Legislation and Environmental

Country of Origin:
Great Britain

Country in which last significant manufacturing process was carried out

RoHS Compliant:
Tariff No:
Weight (kg):

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