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Robust industrial wirewound resistor VISHAY RSSD25168A4R70KB00 with adjustable collars and high power ratings

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Robust industrial wirewound resistor VISHAY RSSD25168A4R70KB00 with adjustable collars and high power ratings

Resistance : 4.7Ω

Power(Watts) : 200W

Tolerance : ±10%

Description : 4.7Ω 200W ±10% Through Hole Adjustable Power Resistor RoHS

Mfr. Part # : RSSD25168A4R70KB00

Model Number : RSSD25168A4R70KB00

Package : Through Hole

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Product Overview

The Vishay Sfernice RSSD series offers industrial high-power vitreous tubular wirewound resistors designed for demanding applications. These resistors are characterized by their ability to withstand heavy transient conditions, severe shock, and vibration. They are particularly suited for low ohmic value requirements and can be adjusted via collars for flexible configuration. With high power ratings, excellent thermal shock resistance, and robust mechanical strength, they are ideal for industrial power applications.

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 %	Average Unit Weight (g)
RSSD 8 x 34	0.12 to 10	16	5, 10, 20	10
RSSD 10 x 50	0.12 to 22	25	5, 10, 20	22
RSSD 13 x 70	0.12 to 43	42	5, 10, 20	38
RSSD 16 x 94	0.33 to 75	70	5, 10, 20	55
RSSD 20 x 117	0.22 to 100	100	5, 10, 20	80
RSSD 25 x 138	0.10 to 150	140	5, 10, 20	90
RSSD 25 x 168	0.12 to 220	200	5, 10, 20	115
RSSD 30 x 250	0.22 to 360	280	5, 10, 20	240
RSSD 40 x 370	0.47 to 470	450	5, 10, 20	845
RSSD 50 x 373	0.68 to 560	600	5, 10, 20	1270

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 %

Dimensions (mm)

Series	A 2	B MAX.	C MIN.	D E F	G - 4 - 0	H - 4 - 0	J	K 0.5	L 0.5	M 0.5	P	Q R	Z APPROX.
RSSD 8 x 34	34	10	4.1	27 2	20 0.5	5	28 1	3.2	16 0.5	1	10	10
RSSD 10 x 50	50	11.5	5	40 2	22 0.5	6.35	31 1	4.2	18 0.5	1.5	22	22
RSSD 13 x 70	70	14.5	6.7	56 2	24 0.5	6.35	34 1	4.2	20 0.5	3.5	38	38
RSSD 16 x 94	94	18	9.2	78 2	26.5 0.5	6.35	38 1	4.2	21 0.5	4	55	55
RSSD 20 x 117	117	22	12.6	98 2	31 0.7	6.35	42 1	4.2	24 0.7	5	80	80
RSSD 25 x 138	138	27	16.4	117 2	33.5 1	9	199	169	50 1.5	5.7	28.5 1	6	90
RSSD 25 x 168	168	27	16.4	147 2	33.5 1	9	229	199	50 1.5	5.7	28.5 1	6	115
RSSD 30 x 250	250	32	21.3	227 2.5	36 1	13	317	287	60 1.5	5.7	31 1	5	240
RSSD 40 x 370	370	43	22.3	332 3	57 1.5	18	432	405	81.5 max.	9.2	45 1.5	10	845
RSSD 50 x 373	373	53	27.1	332 3	63 1.5	18	432	405	92.5 max.	9.2	51 1.5	11.5	1270

2412091029_VISHAY-RSSD25168A4R70KB00_C17694299.pdf

Robust industrial wirewound resistor VISHAY RSSD25168A4R70KB00 with adjustable collars and high power ratings Images

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