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shenzhen kawaxin electronics co.,ltd
RWS Wire Wound Resistor(Small Type)

RWS Wire Wound Resistor(Small Type)

Product catalog summary

Overview: The document provides technical specifications, features, and testing standards for RWS Wire Wound Resistors produced by Shenzhen KWX Electronics Co., Ltd. It includes details on dimensions, power ratings, resistance ranges, and performance characteristics.

Specifications:

Components: Lead wire, cap, ceramic base, wire wound, marking or color code, insulation coat.
Power Ratings: Range from 1/4W to 12W.
Dimensions: Length (L) and diameter (D) vary with power rating, e.g., 3.0mm x 2.0mm for 1/4W to 36.0mm x 8.5mm for 12W.
Resistance Range: 0.1Ω to 15KΩ depending on the type.
Voltage Ratings: Maximum working voltage ranges from 50V to 1000V.
T.C.R. (Temperature Coefficient of Resistance): Varies with resistance value, e.g., ±20PPM/℃ for ≥10Ω.

Features:

Flameproof and insulating coating equivalent to UL94V-0.
Good heat durability, low temperature coefficient, low noise, high overload power.
High stability and long life.
Compliance with Eu-RoHS standards.

Performance and Testing:

Derating Curve: Shows load factor percentage against ambient temperature.
Surface Temperature Rise: Indicates temperature rise with load factor.
Test Items: Include resistance, T.C.R., short time overload, load life, moisture resistance, temperature cycle, solderability, and insulation resistance.
Performance Requirements: Specified tolerances and conditions for each test, e.g., resistance within specified T.C.R., insulation resistance >1,000MΩ.
Test Methods: Based on JIS C 5201-1 standards, covering various environmental and electrical stress tests.

Ordering Information:

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

Additional Notes: For specific requests or further information, contact the engineer at [email protected].

Catalog excerpts

0 Features I Flameproof and insulating coating designed to assure safe usage by special non-flammable silicon-base.(Eqyuvakebt to UL94V-0) D Good heat-durability, low temperature coefficient , low noise, high overload power H High stability , long life IV Products meet Eu-RoHS. 0 Dimensions, Applications And Ratings Note: KNP for standard product; RSS for mini size; HVS for high voltage impulse product;KNR for non-inductive products. More request please contact our engineer [email protected] Power Resistance Resistance Rating Tolerance

Open the catalog to page 1

0 Reference Standards JISC 5201-1 0 Derating Curve Ambient temperature(°C ) 0 Surface Temperature Rise Load Factor(%)

Open the catalog to page 2

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