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NFR25 Datasheet PDF

Vishay NFR25

The resistors have a 12-digit ordering code starting with 23 • The subsequent 7 digits indicate the resistor type and packaging.
Part No. NFR25
Datasheet NFR25 Download
Manufacturer
Vishay
Description Non-Flammable Metal Film Leaded Resistors
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NFR25 datasheet page 1 preview

FEATURES

● Overload protection without risk of fire
● Wide range of overload currents.

APPLICATIONS

● Audio
● Video. A homogeneous film of metal alloy is deposited on a high grade ceramic body. After a helical groove has been cut in the resistive layer, tinned connecting wires of electrolytic copper are welded to the end-caps. The resistors are coated with a grey, flame retardant lacquer which provides electrical, mechanical, and climatic protection. The encapsulation is resistant to all cleaning solvents in accordance with “MIL-STD-202E, method 215”, and “IEC 60068-2-45”. TECHNICAL SPECIFICATIONS

DESCRIPTION

Resistance range(1) Resistance tolerance and series Maximum dissipation at Tamb = 70 °C Thermal resistance Rth Temperature coefficient: 0.22 Ω ≤ R ≤ 4.7 Ω 4.7 Ω < R ≤ 15 Ω 15 Ω < R ≤ 15 kΩ Maximum permissible voltage (DC or RMS) Basic specifications Climatic category (IEC 60068) Stability after: load climatic tests soldering Note 1. Ohmic values (other than resistance range) are a...
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