RH www.vishay.com Vishay Sfernice Heatsink Encased Wirewound Power Resistors FEATURES 5 W to 50 W at 25 C NF C 83-210 According to CECC 40 203 High stability < 0.05 % year Low temperature coefficient typically 15 ppm/C Wide range of values from 0.006 to 130 k Termination = Sn/Ag/Cu Material categorization: for definitions of compliance please see www.vishay.com/doc 99912 Encased in a compact and light heatsink offering complete environmental protection, great mechanical strength and easy mounting. Non inductive versions can be supplied under the RHNI designation (please indicate required specifications and frequency range upon ordering). NF F 16101, 10/1988 and 16102, 04/1992: Not applicable (our parts contain less than 10 g of combustible materials). DIMENSIONS in millimeters RH M A F D N 2 H G J B K P L E Q B D E H J K L M N P WEIGHT SERIES A F G 1 Q 0.2 0.2 0.5 0.7 0.5 0.1 MAX. 0.5 0.3 MIN. g RH5 28.5 1.5 12.5 11.3 16.3 6.8 1.5 8.5 6.2 16.4 2.4 8.9 4.3 1.6 2.1 25.3 1.5 4 RH10 35.5 1.5 15.9 14 19 7.9 1.5 11 7.9 20.6 2.4 11 5.6 2 2.1 30.6 1.5 6.4 RH25 49 1.3 19.8 18.3 28 11.1 1.5 14 9.9 27.5 3.2 15 8 2.4 2.1 44.6 1.3 16.1 RH50 70.2 1.4 21.4 39.7 50 11 1.2 14 10.7 29.4 3.2 15 8 2.4 2.1 66.5 1.4 28.6 OHMIC RANGE IN RELATION TO TOLERANCE RH5 RH10 RH25 RH50 10 % E24 0.01 to 12 k 0.006 to 20 k 0.006 to 62 k 0.006 to 130 k 5 % E24 0.01 to 12 k 0.01 to 20 k 0.01 to 62 k 0.01 to 130 k 2 % E48 0.01 to 12 k 0.01 to 20 k 0.01 to 62 k 0.01 to 130 k 1 % E96 0.1 to 12 k 0.1 to 20 k 0.05 to 62 k 0.05 to 130 k 0.5 % E96 0.1 to 12 k 0.1 to 20 k 0.1 to 62 k 0.1 to 130 k Revision: 07-Dec-15 Document Number: 50013 1 For technical questions, contact: sferfixedresistors vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc 91000 RH www.vishay.com Vishay Sfernice STANDARD ELECTRICAL SPECIFICATIONS RATED POWER RESISTANCE TEMPERATURE VOLTAGE LIMIT TOLERANCE MODEL P RANGE COEFFICIENT 25 C V % RMS W ppm/C 10 2, 5, 10 0.01 to 12K RH5 160 10 0.5, 1 0.1 to 12K 12.5 10 0.006 to 20K RH10 12.5 250 2, 5 0.01 to 20K 12.5 0.5, 1 0.1 to 20K 25 10 0.006 to 62K < 5 100, 25 2, 5 0.01 to 62K 5 to 10 50, RH25 550 > 10 25 25 1 0.05 to 62K 25 0.5 0.1 to 62K 50 10 0.006 to 130K 50 2, 5 0.01 to 130K RH50 1285 50 1 0.05 to 130K 50 0.5 0.1 to 130K TECHNICAL SPECIFICATIONS VISHAY SFERNICE MODEL AND STYLE RH5 RH10 RH25 RH50 25 C 5 W 10 W 20 W 30 W Power Rating MIL Chassis Mounted Resistors Limits 70 C 4 W 8 W 16 W 24 W 2 25 C 10 W 12.5 W 25 W 50 W 413 cm for RH5 and RH10 Vishay Sfernice 2 536 cm for RH25 and RH50 Limits 70 C 8 W 10 W 20 W 40 W 25 C 4 W 6 W 9 W 12 W Vishay Sfernice Unmounted Resistors Limits 70 C 3.2 W 4.8 W 7.2 W 9.6 W Rated Maximum Voltage (V ) 160 V 250 V 550 V 1285 V RMS Dielectric Strength V 1000 V 1500 V 2500 V 2500 V RMS PERFORMANCE MIL-R-18546 D NF C 83-210 TYPICAL DRIFTS TESTS CONDITIONS REQUIREMENTS Operating Temperature Range -55 C +200 C - - Momentary Overload 5 P /5 s (0.25 % + 0.05 ) (0.1 % + 0.05 ) r -55 C +200 C Climatic Sequence (0.25 % + 0.05 ) (0.1 % + 0.05 ) 5 cycles Load Life Test at High (1 % + 0.05 ) 2 h at +275 C (0.1 % + 0.05 ) Temperature Ins. resistance 1 G (1 % + 0.05) Humidity (Steady State) 56 days (0.5 % + 0.05 ) Ins. resistance 100 M Climatic sequences test, with load Resistance to Moisture (1 % + 0.05 ) (0.5 % + 0.05 ) and polarisation 5 to 10 50 ppm/C Temperature Coefficient 15 ppm/C > 10 25 ppm/C 1000 h 25 C P MIL Vishay (1 % + 0.05 ) (0.1 % + 0.05 ) Load Life n at Maximum Temperature 200 C 30 % of P Sfernice Ins. resistance 1 G (0.5 % + 0.05 ) n Revision: 07-Dec-15 Document Number: 50013 2 For technical questions, contact: sferfixedresistors vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc 91000