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Heavy duty adjustable wirewound resistor VISHAY RSSD08X34AR250MS09 with welded stainless steel collars and high power rating

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Heavy duty adjustable wirewound resistor VISHAY RSSD08X34AR250MS09 with welded stainless steel collars and high power rating

Resistance : 250mΩ

Power(Watts) : 16W

Tolerance : ±20%

Description : 250mΩ 16W ±20% Through Hole Adjustable Power Resistor RoHS

Mfr. Part # : RSSD08X34AR250MS09

Model Number : RSSD08X34AR250MS09

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 are known for their ability to withstand heavy transient conditions, severe shock, and vibration. They are suitable for low ohmic value applications and can be tapped using adjustable collars for flexible resistance adjustment. Key advantages include high power ratings, excellent thermal shock resistance, mechanical strength, and fire-proof construction.

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 %	Approx. 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 %

Mechanical Specifications

Specification	Details
Mechanical Protection	Vishay Sfernice special cement
Resistive Element	Nickel alloy wire
Connections	AN collars, CS supporting collars
Average Unit Weight	10 g to 1350 g

Environmental Specifications

Specification	Details
Temperature Range	-55 C, +450 C
Climatic Category	-55 C / +200 C / 56 days

2412091029_VISHAY-RSSD08X34AR250MS09_C17671617.pdf

Heavy duty adjustable wirewound resistor VISHAY RSSD08X34AR250MS09 with welded stainless steel collars and high power rating Images

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