ALSR, ALVR www.vishay.com Vishay Huntington 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 For non-inductive models, divide maximum resistance values by two Material categorization: for definitions of compliance please see www.vishay.com/doc 99912 STANDARD ELECTRICAL SPECIFICATIONS (1) (1) POWER RATING POWER RATING RESISTANCE WEIGHT (2) GLOBAL HISTORICAL TOLERANCE P W P W RANGE (typical) 25 C 25 C MODEL MODEL % CHARACTERISTIC U +250 C CHARACTERISTIC V +350 C 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 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 GLOBAL PART NUMBER INFORMATION Global Part Numbering Example: ALSR0325R00FE12NI A LS R0 3 2 5 R0 0 F E 1 2 N I GLOBAL MODEL VALUE TOLERANCE PACKAGING SPECIAL (6 digits) (5 digits) (1 digit) (3 digits) (up to 2 digits) (see Standard Electrical R = decimal F = 1.0 % E07 = tape / reel (dash number) Specifications Global K = thousand H = 3.0 % (ALSR5A / ALVR5A, ALSR05 / ALVR05) from 1 to 99 Model column for 1R500 = 1.5 J = 5.0 % E08 = tape / reel (ALSR01 / ALVR01) as applicable options) 1K500 = 1.5 k K = 10.0 % E29 = tape / reel (ALSR10 / ALVR10) NI = non-inductive E48 = tape / reel (ALSR03 / ALVR03) E70 = tape / reel, 1K pieces (smaller than ALSR05 / ALVR05) E73 = tape / reel, 500 pieces E12 = bulk, 100 pc boxes Historical Part Number Example: ALSR-3-25-1 %-NI ALSR-3 25 1 % NI HISTORICAL MODEL RESISTANCE VALUE TOLERANCE SPECIAL Revision: 26-May-2020 Document Number: 31800 1 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 ALSR, ALVR www.vishay.com Vishay Huntington DIMENSIONS in inches millimeters D 1.50 38.10 L min. LD DIMENSIONS in inches millimeters GLOBAL MODEL L D LD 0.032 0.813 0.032 0.813 0.002 0.051 ALSR01 0.406 10.31 0.110 2.79 0.020 0.508 ALVR01 0.406 10.31 0.110 2.79 0.020 0.508 ALSR03 0.500 12.70 0.180 4.57 0.032 0.813 ALVR03 0.500 12.70 0.180 4.57 0.032 0.813 ALSR5A 0.920 23.37 0.200 5.08 0.032 0.813 ALVR5A 0.920 23.37 0.200 5.08 0.032 0.813 ALSR05 0.875 22.23 0.312 7.92 0.032 0.813 ALVR05 0.875 22.23 0.312 7.92 0.032 0.813 ALSR10 1.730 43.94 0.312 7.92 0.032 0.813 ALVR10 1.730 43.94 0.312 7.92 0.032 0.813 MATERIAL SPECIFICATIONS DERATING 120 Element: copper-nickel alloy or nickel-chrome alloy, depending on resistance value 100 Core: ceramic: steatite or alumina, depending on physica l 80 size Characteristic V 60 End Caps: stainless steel 40 Coating: special high temperature silicone or special Characteristic U formula of vitreous like appearance coating on ALVR 20 Terminals: tinned copper clad steel 0 -50 0 50 100 150 200 250 300 350 Part Marking: HEI, model, value, tolerance, date code -65 25 AMBIENT TEMPERATURE IN C TECHNICAL SPECIFICATIONS PARAMETER UNIT RESISTOR CHARACTERISTICS Temperature Coefficient 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 500 for 1 W and 1000 for 3 W and above AC Operating Temperature Range C Characteristic U = -65 to +250, characteristic V = -65 to +350 1/2 Maximum Working Voltage V (P x R) PERFORMANCE TEST LIMITS TEST CONDITIONS OF TEST (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 5x rated power (3 W and smaller), 10x rated power (4 W and larger) for 5 s (2.0 % + 0.05 ) > R Dielectric Withstanding 500 V , 1 min for 1 W and 1000 V , 1 min for 3 W and above (0.1 % + 0.05 ) > R RMS RMS Voltage 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 gs for 6 ms, 10 shocks (0.2 % + 0.05 ) > R Vibration Frequency varied 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 Revision: 26-May-2020 Document Number: 31800 2 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 RATED POWER IN %