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KWX Fusible Resistors KF

Product catalog summary

Overview: This document provides technical specifications and details for KF wire-wound fuse resistors manufactured by Shenzhen KWX Electronics Co., Ltd. It includes information on construction types, rated power, dimensions, features, applications, ordering information, resistance range, and performance graphs.

Specifications:

Construction Types: Models range from 204-4 to 218-4.
Rated Power: Power ratings are provided for 25℃ and 70℃, ranging from 2.0W to 11.0W at 25℃ and 1.0W to 6.0W at 70℃.
Dimensions: Dimensions vary by model, with specific tolerances provided.
Resistance Range: Minimum resistance ranges from R10 to R91, and maximum resistance ranges from 200Ω to 8K2Ω.

Features:

Fusable function.
Resumable and recyclable.

Applications:

Primarily used in meters and instruments.
Protection circuits for electrical devices.

Ordering Information: Example provided for model 210-4 with power and tolerance specifications.

Performance and Standards:

Temperature Coefficient: -80 to +500 ppm/℃.
Insulation Resistance: ≥1GΩ.
Insulation Voltage: 2000V.
Climatic Category: 55/150/56.
Temperature Range: -55℃ to 150℃.
Derating: Reference to solder temperature chart provided.
Load Life: 1000 hours at 70℃ with specified resistance change.
Resistance to Solder Heat: 260℃ for 10 seconds with specified resistance change.

Graphs and Charts:

Solder Joint Temperature Rise: Temperature should not exceed 150℃ under normal conditions.
Derating Curve: Shows percent rated power against ambient temperature.
Fusing Time and Power Rating Graphs: Provided for different models, illustrating performance under various power ratings.

Catalog excerpts

KF wire-wound fuse resistors Features Ⅰ Fusable function ⅡResumable and can be recycled Applications Ⅰ Mostly used in meters and instruments Ⅱ Protection circuit of electrical devices Ordering Information Example: KF Model Http://www.khxcom.com SHENZHEN KWX ELECTRON

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KF wire-wound fuse resistors R eferen c e S t a n d a r d s Q/ATK04-91 Power And Resistance Range Model Rated Power(W) Solder joint temperature rise graph 150 Solder joint temperature 21 Temperature at solder joint should never exceed 150℃ under normal working conditions.solder joint temperature is defined as sum of ambient temperature and temperature rise caused by applied load. Derating Cu r v e Percent rated power Ambient temperature(℃) Http://www.khxcom.com SHENZHEN KWX ELECTRONICS CO., LTD Http://www.

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KF wire-wound fuse resistors Fusing time and power rating graph Type Fusing time Fusing time Power rating Type Fusing time Power rating Power rating Fusing time Fusing time Fusing time Power rating Power rating Power rating Performance SPECIFICATIONS TEST ITEM (Tolerances) ( Temperature coefficient) (Insulation voltage) (Insulation resistance (Climatic category) (Temperature range) Reference“Solder temperature chart” (Failure rate) (Climatic category) (Terminal tensile strength) （Anti-pull strength)

Open the catalog to page 3

All Shenzhen kawaxin electronics co.,ltd catalogs and technical brochures

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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