High power wirewound resistors VISHAY RSSD25168C2200JB00 suitable for low ohmic value applications

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Product Description

Product Overview

The Vishay Sfernice RSSD series offers industrial high-power, vitreous tubular, adjustable wirewound resistors designed for demanding applications. These resistors are known for their ability to withstand heavy transient conditions, severe shock, and vibration. They are ideal for applications requiring low ohmic values and high long-term stability, featuring excellent thermal shock resistance and mechanical strength.

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

Technical Specifications

MODEL	SIZE	RESISTANCE RANGE	RATED POWER P25 C W	TOLERANCE %	AVERAGE UNIT WEIGHT IN g (AN/CS)
RSSD 8 x 34	0834	0.12 to 10	16	5, 10, 20	10 / -
RSSD 10 x 50	1050	0.12 to 22	25	5, 10, 20	22 / -
RSSD 13 x 70	1370	0.12 to 43	42	5, 10, 20	38 / 38
RSSD 16 x 94	1694	0.33 to 75	70	5, 10, 20	55 / 55
RSSD 20 x 117	20117	0.22 to 100	100	5, 10, 20	80 / 80
RSSD 25 x 138	25138	0.10 to 150	140	5, 10, 20	90 / 135
RSSD 25 x 168	25168	0.12 to 220	200	5, 10, 20	115 / 160
RSSD 30 x 250	30250	0.22 to 360	280	5, 10, 20	240 / 290
RSSD 40 x 370	40370	0.47 to 470	450	5, 10, 20	845 / 925
RSSD 50 x 373	50373	0.68 to 560	600	5, 10, 20	1270 / 1350

PERFORMANCE 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 %

SPECIAL FEATURES	RSSD 8 x 34	RSSD 10 x 50	RSSD 13 x 70	RSSD 16 x 94	RSSD 20 x 117	RSSD 25 x 138	RSSD 25 x 168	RSSD 30 x 250	RSSD 40 x 370	RSSD 50 x 373
Power Rating at 25 C Continuous (W)	16	25	42	70	100	140	200	280	450	600
Power Rating at 25 C Reduced (W)	14	22	38	62	90	125	170	240	360	450
Ohmic Range (E12, E24 Series) with 1 Tapping ()	0.12 to 10	0.12 to 22	0.12 to 43	0.33 to 75	0.22 to 100	0.10 to 150	0.12 to 220	0.22 to 360	0.47 to 470	0.68 to 560
Maximum Number of Additional Tapping	0	1	1	1	1	1	2	2	4	4
Reduction % of Ohmic Value by Tapping	23	21	14	11	10	8	6.5	6	5.7	5.7