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 AyrtonPerry winding for lowest reactive components, special “NI” • Material categorization: for definitions of compliance please see www.vishay.com/doc?99912 STANDARD ELECTRICAL SPECIFICATIONS GLOBAL HISTORICAL MODEL MODEL POWER RATING (1) P25 °C W CHARACTERISTIC U +250 °C POWER RATING (1) P25 °C W CHARACTERISTIC V +350 °C RESISTANCE WEIGHT TOLERANCE (2) RANGE (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 0.68 ALVR03 ALVR-3 3 - 0.10 to 12K 1, 3, 5, 10 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 (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) E70 = tape / reel, 1K pieces (smaller than ALSR05 / ALVR05) E73 = tape / reel, 500 pieces 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 Revision: 18-Feb-16 Document Number: 31800 1 For technical questions, contact: [email protected] 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] min. ALSR01 ALVR01 ALSR03 ALVR03 ALSR5A ALVR5A ALSR05 ALVR05 ALSR10 ALVR10 LD DIMENSIONS in inches [millimeters] D ± 0.032 [0.813] 0.110 [2.79] 0.110 [2.79] 0.180 [4.57] 0.180 [4.57] 0.200 [5.08] 0.200 [5.08] 0.312 [7.92] 0.312 [7.92] 0.312 [7.92] 0.312 [7.92] L ± 0.032 [0.813] 0.406 [10.31] 0.406 [10.31] 0.500 [12.70] 0.500 [12.70] 0.920 [23.37] 0.920 [23.37] 0.875 [22.23] 0.875 [22.23] 1.730 [43.94] 1.730 [43.94] LD ± 0.002 [0.051] 0.020 [0.508] 0.020 [0.508] 0.032 [0.813] 0.032 [0.813] 0.032 [0.813] 0.032 [0.813] 0.032 [0.813] 0.032 [0.813] 0.032 [0.813] 0.032 [0.813] DERATING MATERIAL SPECIFICATIONS Element: copper-nickel alloy or nickel-chrome alloy, depending on resistance value Core: ceramic: steatite or alumina, depending on physical size End Caps: stainless steel Coating: special high temperature silicone or special formula of “vitreous like appearance” coating on ALVR Terminals: tinned Copper clad steel RATED POWER IN % GLOBAL MODEL D L 120 100 80 40 Characteristic U 20 0 Part Marking: HEI, model, value, tolerance, date code Characteristic V 60 - 50 - 65 0 50 100 25 150 200 250 300 350 AMBIENT TEMPERATURE IN °C TECHNICAL SPECIFICATIONS PARAMETER Temperature Coefficient Terminal Strength Dielectric Withstanding Voltage Operating Temperature Range Maximum Working Voltage UNIT ppm/°C lb VAC °C V RESISTOR CHARACTERISTICS ± 30 for 10 and above; ± 50 for 1 to 9.9 ; ± 90 for 0.5 to 0.99 10 minimum 500 for 1 W and 1000 for 3 W and above Characteristic U = -65 to +250, characteristic V = -65 to +350 (P x R)1/2 PERFORMANCE TEST Thermal Shock Short Time Overload Dielectric Withstanding Voltage Low Temperature Storage High Temperature Exposure Mechanical Shock Vibration Load Life Moisture Resistance Revision: 18-Feb-16 Rated power applied until thermally stable, then a minimum of 15 min at -55 °C 5x rated power (3 W and smaller), 10x rated power (4 W and larger) for 5 s TEST LIMITS (CHARACTERISTIC V) ± (2.0 % + 0.05 ) > R ± (2.0 % + 0.05 ) > R 500 VRMS, 1 min for 1 W and 1000 VRMS, 1 min for 3 W and above ± (0.1 % + 0.05 ) > R -65 °C for 24 h 250 h at U = +250 °C, V = +350 °C MIL-STD-202 method 213, 100 g’s for 6 ms, 10 shocks Frequency varied 10 Hz to 2000 Hz, 20 g peak, 2 directions 6 h each 2000 h at rated power, +25 °C, 1.5 h “ON”, 0.5 h “OFF” MIL-STD-202 method 106, 7b not applicable ± (2.0 % + 0.05 ) > R ± (4.0 % + 0.05 ) > R ± (0.2 % + 0.05 ) > R ± (0.2 % + 0.05 ) > R ± (3.0 % + 0.05 ) > R ± (2.0 % + 0.05 ) > R CONDITIONS OF TEST Document Number: 31800 2 For technical questions, contact: [email protected] THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. 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