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 maximu m resistance values by two • Material categorization: for definitions of compliance please see www.vishay.com/doc?99912 STANDARD ELECTRICAL SPECIFICATIONS POWER RATING (1) POWER RATING (1) RESISTANCE WEIGHT GLOBAL HISTORICAL TOLERANCE (2) P W P W RANGE (typical) MODEL MODEL 25 °C 25 °C % 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 L S R 0 3 2 5 R 0 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 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

ALSR, ALVR www.vishay.com Vishay Huntington DIMENSIONS in inches [millimeters] 1.50 [38.10] D 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 Element: copper-nickel alloy or nickel-chrome alloy , % 120 depending on resistance value N R I 100 Core: ceramic: steatite or alumina, depending on physical E W 80 size O P Characteristic V End Caps: stainless steel D 60 E T Coating: special high temperature silicone or special A 40 R formula of “vitreous like appearance” coating on ALVR Characteristic U 20 Terminals: tinned copper clad steel 0 Part Marking: HEI, model, value, tolerance, date code -65-50 0 25 50 100 15A0MBIE2N00T TEM25P0ERA3T0U0RE I3N5 0°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 Maximum Working Voltage V (P x R)1/2 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 Voltage 500 VRMS, 1 min for 1 W and 1000 VRMS, 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 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 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

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