alsr, alvr www.vishay.com vishay huntington revision: 24-feb-12 1 document number: 31800 for technical questions, contact: ww2aresistors@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 wirewound resistors, commercial power, silicone coated, axial lead features ? high temperature coating (> 350 c) ? all welded construction ? available with vitreous like appearance coating as alvr ? available in non-inductive styles with ayrton- perry winding for lowest reactive components, special ni ? compliant to rohs directive 2011/65/eu note ** please see document vishay material category policy: www.vishay.com/doc?99902 notes (1) vishay huntington alsr/alvr models have two power ratings depending on operation temperature and stability requirements. models not available for characteristic v are: alsr01, alvr01, alsr03, and alvr03 (2) other tolerances may be available, contact factory standard electrical specifications global model historical model power rating (1) p 25 c w characteristic u + 250 c power rating (1) p 25 c w characteristic v + 350 c resistance range ? tolerance (2) % weight (typical) g alsr01 alsr-1 1 - 0.10 to 6.37k 1, 3, 5, 10 0.27 alvr01 alvr-1 1 - 0.10 to 6.37k 1, 3, 5, 10 0.27 alsr03 alsr-3 3 - 0.10 to 12k 1, 3, 5, 10 0.68 alvr03 alvr-3 3 - 0.10 to 12k 1, 3, 5, 10 0.68 alsr5a alsr-5a 4 5 0.10 to 40.3k 1, 3, 5, 10 2.1 alvr5a alvr-5a 4 5 0.10 to 40.3k 1, 3, 5, 10 2.1 ALSR05 alsr-5 5 7 0.10 to 58.5k 1, 3, 5, 10 3.2 alvr05 alvr-5 5 7 0.10 to 58.5k 1, 3, 5, 10 3.2 alsr10 alsr-10 7 10 0.10 to 92k 1, 3, 5, 10 4.9 alvr10 alvr-10 7 10 0.10 to 92k 1, 3, 5, 10 4.9 global part number information global part numbering example: alsr0325r00fe12ni global model (6 digits) value (5 digits) tolerance (1 digit) packaging (3 digits) special (up to 2 digits) (see standard electrical specifications global model column for options) r = decimal k = thousand 1r500 = 1.5 ? 1k500 = 1.5 k ? f = 1.0 % h = 3.0 % j = 5.0 % k = 10.0 % e07 = tape/reel (alsr5a/alvr5a, ALSR05/alvr05) e08 = tape/reel (alsr01/alvr01) e29 = tape/reel (alsr10/alvr10) e48 = tape/reel (alsr03/alvr03) e12 = bulk, 100 pc boxes (dash number) from 1 to 99 as applicable ni = non inductive historical part number example: alsr-3-25-1 %-ni alsr-3 25 ? 1 % ni historical model resistance value tolerance special lsr0325 r00fe 1 a 2 n i
alsr, alvr www.vishay.com vishay huntington revision: 24-feb-12 2 document number: 31800 for technical questions, contact: ww2aresistors@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 dimensions in inches [millimeters] material specifications element: copper-nickel alloy or nickel-chrome alloy, depending on resistance value core: ceramic: steatite or alum ina, depending on physical size end caps: stainless steel coating: special high temperatu re silicone or special formula of vitreous like a ppearance coating on alvr terminals: tinned copper clad steel part marking: hei, model, value, tolerance, date code derating global model dimensions in inches [millimeters] l 0.032 [0.813] d 0.032 [0.813] ld 0.002 [0.051] alsr01 0.385 [9.8] 0.110 [2.8] 0.020 [0.5] alvr01 0.437 [11.1] 0.125 [3.2] 0.020 [0.5] alsr03 0.530 [13.5] 0.200 [5.1] 0.032 [0.8] alvr03 0.563 [14.3] 0.218 [5.5] 0.032 [0.8] alsr5a 0.937 [23.8] 0.200 [5.1] 0.032 [0.8] alvr5a 1.031 [26.2] 0.218 [5.5] 0.032 [0.8] ALSR05 0.937 [23.8] 0.312 [7.9] 0.032 [0.8] alvr05 1.031 [26.2] 0.343 [8.7] 0.032 [0.8] alsr10 1.800 [45.7] 0.312 [7.9] 0.032 [0.8] alvr10 1.843 [46.8] 0.343 [8.7] 0.032 [0.8] 1.50 [38.10] min. l d ld rated power in % ambient temperature in c 120 100 80 60 40 20 0 25 - 65 - 50 250 100 50 300 350 0 200 150 characteristic u characteristic v technical specifications parameter unit resistor characteristics temperature coeffici ent ppm/c 30 for 10 ? and above; 50 for 1 ? to 9.9 ? ; 90 for 0.5 ? to 0.99 ? terminal strength lb 10 minimum dielectric withstanding voltage v ac 500 for 1 w and 1000 for 3 w and above operating temperature range c cha racteristic u = - 65 to + 250, ch aracteristic v = - 65 to + 350 maximum working voltage v ( p x r ) 1/2 performance test conditions of test test limits (characteristic v) thermal shock rated power applied until thermally stable , then a minimum of 15 min at - 55 c (2.0 % + 0.05 ? ) > ? r short time overload 5 x rated power (3 w and smaller), 10 x rated power (4 w and larger) for 5 s (2.0 % + 0.05 ? ) > ? r dielectric withstanding voltage 500 v rms , 1 min for 1 w and 1000 v rms , 1 min for 3 w and above (0.1 % + 0.05 ? ) > ? r low temperature storage - 65 c for 24 h (2.0 % + 0.05 ? ) > ? r high temperature exposure 250 h at u = + 250 c, v = + 350 c (4.0 % + 0.05 ? ) > ? r mechanical shock mil-std-202 method 213, 100 g s for 6 ms, 10 shocks (0.2 % + 0.05 ? ) > ? r vibration frequency vari ed 10 hz to 2000 hz, 20 g peak, 2 directions 6 h each (0.2 % + 0.05 ? ) > ? r load life 2000 h at rated power, + 25 c, 1.5 h on, 0.5 h off (3.0 % + 0.05 ? ) > ? r moisture resistance mil-std-202 method 106, 7b not applicable (2.0 % + 0.05 ? ) > ? r
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