Datasheet

RND is a trademark of Distrelec

Features

• Superior heat resistance

• Superior pulse resistance

• Wide range of resistance values available

• Good electrical stability, reliability and mechanically very rigid

• Flameproof coating

PART NUMBER

Example: RND 1551W22RF

RND 155

Type

Rated Power

22R

Resistance Value

0R22 = 220 mΩ

22R=22 Ω

1000R=1 kΩ

Axial Wirewound Resistors

Tolerance

F = ± 1%

J = ± 5%

Electrical Specifications

Characteristics Condition Compliance

Tolerance ±1%, ±5%

Temperature Coeﬃcient ± 300PPM/°C

Insulation Resistance >10⁴Ω

Change in resistance

a. Short time overload

b. Load Life

c. Temperature Cycling

d. Moisture Load Life

@70°C

± (2% + 0.05Ω)

± (5% + 0.05Ω)

± (2% + 0.05Ω)

± (5% + 0.05Ω),

Solderability (where applicable) >95%

Power Derating Curve and Surface Temperature Rise

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Axial Wirewound Resistors Features • Superior heat resistance • Superior pulse resistance • Wide range of resistance values available • Good electrical stability, reliability and mechanically very rigid • Flameproof coating PART NUMBER Example: RND 1551W22RF RND 155 1W Type Rated Power 22R F Resistance Value 0R22 = 220 mΩ 22R=22 Ω 1000R=1 kΩ Tolerance F = ± 1% J = ± 5% Electrical Specifications Characteristics Condition Compliance Tolerance ±1%, ±5% Temperature Coeﬃcient ± 300PPM/°C Insulati
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Axial Wire Wound Resistors Drawing and Dimensional Details Rated Power (W) Resistance Range L D d H 1 0.22 Ω-1 kΩ 11.0±1.0 4.5±0.5 0.65±0.02 25±3 2 4.7 Ω-100 Ω 15.0±1.0 5.0±1.0 0.70±0.02 25±3 3 0.1 Ω-1 kΩ 17.0±1.0 6.0±1.0 0.70±0.02 25±3 4 0.1 Ω-1 kΩ 24.0±1.0 7.5±1.0 0.70±0.02 25±3 5 10 0.1 Ω-1 kΩ 4.7 Ω-1 kΩ 24.0±1.0 32.0±1.0 7.5±1.0 8.5±1.0 0.70±0.02 0.70±0.02 25±3 25±3 12 22 Ω-100 Ω 37.0±1.0 8.5±1.0 0.70±0.02 25±3 20 15 Ω-1 kΩ 52.0±1.0 8.5±1.0 0.70±0.