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VISHAY RSSD25168AR680MB06 wirewound resistors featuring low ohmic values and robust mechanical design

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VISHAY RSSD25168AR680MB06 wirewound resistors featuring low ohmic values and robust mechanical design

Resistance : 680mΩ

Power(Watts) : 200W

Tolerance : ±20%

Description : 680mΩ 200W ±20% Through Hole Adjustable Power Resistor RoHS

Mfr. Part # : RSSD25168AR680MB06

Model Number : RSSD25168AR680MB06

Package : Through Hole

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Product Overview

The Vishay Sfernice RSSD series offers industrial high-power, vitreous tubular, adjustable wirewound resistors. Designed for demanding applications, these resistors provide high power ratings from 16 W to 600 W at 25 C, excellent thermal shock resistance, and mechanical strength. They are suitable for heavy overloads and can be tapped using adjustable collars for flexible resistance adjustments. Low ohmic values are available, complementing other Vishay resistor styles.

Product Attributes

Brand: Vishay Sfernice
Material: WELDED STAINLESS STEEL 304 L COLLARS, SCREWED STAINLESS STEEL 304 L COLLARS
Certifications: NF F 16101, 10/1988 and 16102, 04/1992: Not applicable
Material categorization: for definitions of compliance please see www.vishay.com/doc?99912

Technical Specifications

Model Size	Resistance Range	Rated Power P25 C W	Tolerance %	Approx. Average Unit Weight (g)	Dimensions (mm) L x	Max. Number of Additional Tapping	Reduction % of Ohmic Value by Tapping
RSSD 8 x 34	0.12 to 10	16	5, 10, 20	10	34 x 8	0	23
RSSD 10 x 50	0.12 to 22	25	5, 10, 20	22	50 x 10	1	21
RSSD 13 x 70	0.12 to 43	42	5, 10, 20	38	70 x 13	1	14
RSSD 16 x 94	0.33 to 75	70	5, 10, 20	55	94 x 16	1	11
RSSD 20 x 117	0.22 to 100	100	5, 10, 20	80	117 x 20	1	10
RSSD 25 x 138	0.10 to 150	140	5, 10, 20	90	138 x 25	1	8
RSSD 25 x 168	0.12 to 220	200	5, 10, 20	115	168 x 25	2	6.5
RSSD 30 x 250	0.22 to 360	280	5, 10, 20	240	250 x 30	2	6
RSSD 40 x 370	0.47 to 470	450	5, 10, 20	845	370 x 40	4	5.7
RSSD 50 x 373	0.68 to 560	600	5, 10, 20	1270	373 x 50	4	5.7

Performance Tests

Test	Conditions	Requirements	Typical Values and Drifts
Short Time Overload	10 Pr during 5 s	2 %	1 %
Climatic Sequence	-55 C, +200 C 5 cycles	3 %	1 %
Thermal Shock	Load at 100 % Pr followed by cold -55 C / 15	2 % or 0.05	1 %
Load Life	90 / 30 cycle 1000 h at Pr at +25 C	5 %	5 %

2412091029_VISHAY-RSSD25168AR680MB06_C17656863.pdf

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