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FKB/FKF Fusible Resistors

Product catalog summary

Overview: This document provides technical specifications and performance details for anti-burst fusible resistors, available in wire wound and film types. These resistors are designed for reliable performance, environmental safety, and compliance with EU RoHS standards.

Specifications:

Types: FKB (Wire Type), FKF (Film Type)
Power Ratings: 1/4W, 1/2W, 1W, 2W, 3W
Resistance Tolerance: ±5%
Resistance Values: Range from 0.1Ω to 100Ω
Temperature Coefficient of Resistance (T.C.R): ≤1Ω: ±500PPM/℃, >1Ω: ±300PPM/℃

Construction Features:

Anti-burst design with wire wound or film type fusible elements
Components include lead wire, cap, ceramic base, marking or color code, and insulation coat

Performance and Testing:

Reliable performance under surge voltage conditions
Dielectric Withstanding Voltage: 2000V
Insulation Resistance: >1,000MΩ
Flameproof: No evidence of flaming or arcing
Test Methods: Include short time overload, load life, moisture resistance, temperature cycle, and solderability

Fusing Characteristics:

Opening time varies with power rating and constant current conditions
Energy can be customized according to customer demand

Derating Curves:

Provided for different power ratings to illustrate performance across ambient temperature ranges

Ordering Information:

Series Name: FKB/F
Power Rating: Indicated by numbers (e.g., 14 for 1/4W)
Resistance Tolerance: J for ±5%
Resistance Value: Specified in a coded format (e.g., R100 for 0.1Ω)

Catalog excerpts

sible Resis sible Resis 0 Features I The anti-burst type wire wound or film type fusible. n Resistors can provide reliable environmentally safe fusing behavior. IHReliable performance and endurance to surge voltage. IVProducts meet eu-rohs. Series Name Power Resistance Resistance Rating Tolerance

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sible Resis sible Resis Rated Power(w) Derating Curve Fusing Characteristics(reference) Residual resistance > 100times nominal resistance //Energy can be fixed according to customer demand

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