V ishay I n tertech n olo g y, I n c . Resistors - High Temperature for Harsh Environments I INNOVAT O L OGY WSLT3921/5931 AND TEC N HN power metal strip® resistors O 19 62-2012 High-Temperature (+ 275 °C) 3 W and 5 W Surface-Mount Power Metal Strip® Resistors Key Benefits • Ideal for use in harsh, high temperature environments (to + 275 °C) • Enables use in high-temperature environments with less derating required: for example, 61 % rated power at 150 °C • Operating temperature range of – 65 °C to + 275 °C • Very low resistance values: down to 0.001 Ω • Low TCR: < 20 ppm/°C • Very low inductance: < 5 ŋH • Excellent frequency response to 50 MHz • Low thermal EMF: < 3 µV/°C • Lead (Pb)-free construction is RoHS-compliant APPLICATIONS • Automotive electronic controls: engine controls, audio electronics, climate controls, anti-lock brakes, etc. • Oil/gas well drilling: down-hole test and measurement equipment Resources • Datasheet: WSLT3921/5931 - http://www.vishay.com/doc?30136 • For technical questions contact [email protected] One of the World’s Largest Manufacturers of Discrete Semiconductors and Passive Components PRODUCT SHEET 1/2 VMN-PT0093-1201 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 V ishay I n tertech n olo g y, I n c . I INNOVAT 19 62-2012 °C), FEATURES Low Value (Down to 0.001 Ω),all types Surface Mount ® • Ideal forTemperature of current sensing, voltage Power Metal Strip Resistors, High (275 °C), division and pulse applications including and linear Mount power supplies, Low Value (Down to 0.0003switching Ω), Surface WSLT3921, WSLT5931 instruments, power amplifiers FEATURES • Proprietary processing technique produces Vishay Dale extremely to • Ideal for all low typesresistance of current values, sensing,down voltage 0.0003 Ωand pulse applications including division • switching Specially selected and stabilized materials and linear power supplies, ® allow for power high amplifiers temperature derating instruments, (to + 275 °C)processing technique produces • Proprietary • extremely All welded low construction resistance values, down to 0.0003 Ω • FEATURES Solid metal iron-chrome or manganese-copper alloy resistive with lowstabilized TCRsensing, (< 20materials ppm/°C) • •Specially selected and Ideal forelement all types of current voltage temperature derating • allow Very lowfor inductance 5 ηH) division andhigh pulse(< applications including ® + Temperature 275 °C) EMF Power Metal Strip Resistors, High °C), supplies, Vishay Dale • (to Low thermal 3(275 μV/°C)power switching and (<linear •• All welded construction instruments, power amplifiers(1) AEC-Q200 qualified available Low Value (Down to 0.0003 Ω), Surface Mount •• •Solid metalto RoHS iron-chrome or2002/95/EC manganese-copper alloy Proprietary processing technique produces Compliant Directive resistive element low TCR (< 20 ppm/°C) extremely low with resistance values, down to Note DIMENSIONS •(1)Very low Ω inductance (< 5 ηH) 0.0003 Flame retardance test may not be applicable to some resistor in inches (millimeters) • •Low thermalselected EMF (<DIMENSIONS 3and μV/°C) Specially stabilized materials technologies. MODEL (1) allow for high temperature derating L available W H T • AEC-Q200 qualified (to + 275 to °C) 0.394 ± 0.010 0.205 ± 0.010 0.020 0.080 ± 0.010 • Compliant RoHS Directive 2002/95/EC Power Metal HStrip® Resistors,D High Temperature (275 °C), Vishay Dale WSLT3921 • All welded (10.0 construction ± 0.254) (5.20 ± 0.254) (0.5) (2.00 ± 0.254) STANDARD ELECTRICAL SPECIFICATIONS NoteMount Low Value (Down to 0.0003 Ω), Surface Solid metal iron-chrome or manganese-copper alloy 0.591 ± 0.010 0.010 0.020 0.157 ± 0.010 L POWER RATING W (1)• Flame RESISTANCE VALUE RESISTANCE WEIGHT retardance test may 0.305 notVALUES be± applicable to some resistor WSLT5931 TOLERANCE GLOBAL (15.0 ± 0.254) (7.75 ± 0.254) (0.5) (4.00 ± 0.254) resistive element with low TCR (< 20(2)ppm/°C) technologies. RANGE CURRENTLY AVAILABLE (typical) SIZE P70 °C % DIMENSIONSMODEL W Ω• Very low inductance (< 5Ω ηH) g/1000 pieces T thermal EMF (<1PAD 3 SOLDER DIMENSIONS inm, inches (millimeters) WSLT3921 3921 3.0 1.0, 5.0 0.5 m to• MODEL 4Low mDIMENSIONS 0.5 m,μV/°C) 2 m, 3 m, 4 m in inches (millimeters) 281 MODEL (1) b STANDARD ELECTRICAL SPECIFICATIONS • AEC-Q200 qualified l Wm,d0.5available WSLT5931 5931 5.0 1.0, 5.0 0.3 m to 3Lm 0.3 m,H1 m, 2 m, 3Tm 398 RESISTANCE VALUE RESISTANCE VALUES WEIGHT POWER RATING • Compliant to RoHS Directive 2002/95/EC 0.106 ± 0.010 0.244 ± 0.010 0.220 ± 0.005 0.394 ± 0.010 0.205 ± 0.010 0.020 0.080 ± 0.010 TOLERANCE GLOBAL Power Metal Strip Resistors, High Temperature (275 °C), Low Value (Down to 0.0003 Ω), Surface Mount WSLT3921, WSLT5931 WSLT3921, WSLT5931 H SIZE P70 °C D Notes % MODEL I • Part marking: No part markingWon these parts. L b W (2) Other values may be available, contact factory. WSLT3921 3921 3.0 1.0, 5.0 5931T 5.0 d 1.0, 5.0 0.3 m to 3 m 0.3 m, 0.5 m, 1 m, 2 m, 3 m 398 GLOBAL RESISTANCE “D”(millimeters) THICKNESS ELEMENT SOLDER PAD DIMENSIONS in inches TECHNICAL SPECIFICATIONS STANDARD ELECTRICAL SPECIFICATIONS MODEL Notes MODEL VALUE (mΩ) (inches) MATERIAL DERATING d b l • PARAMETER Part marking: No part marking onRATING these parts. UNIT RESISTOR RESISTANCE CHARACTERISTICS RESISTANCE VALUE VALUES WEIGHT POWER WSLT3921 0.5 0.0300 Mn-Cu 120 (2) Other TOLERANCE GLOBAL 0.106 ± 0.010 0.244 ± 0.010 0.220 ± 0.005 values may be available, contact factory. WSLT3921 RANGE CURRENTLY AVAILABLE SIZE P70 °C Temperature coefficient ppm/°C% ± 175 0.3 mΩ and mΩ, ± 75 for 10.0150 mΩ to(2)4 mΩ (typical) (2.70 ±for 0.254) (6.200.5 ± 0.254) (5.60 ± 0.13) MODEL WSLT3921 1.0 Mn-Cu 100 I W Ω Ω g/1000 pieces Operating temperature range °C - 65 + 275 0.2200.0270 0.205 ± 0.010 0.344 ±to0.010 ± 0.005 b WSLT3921 2.0 Fe-Cr WSLT5931 WSLT3921 3921 3.0 1.0, 5.0 0.5 (5.20 m to 4± m 0.5±m, 1 m, 2 m,(5.60 3 m,±40.13) m 281 0.254) (8.75 0.254) TECHNICAL 80 Maximum workingSPECIFICATIONS voltage V (P x R)1/2 WSLT3921 3.0 0.0170 Fe-Cr d WSLT5931 5931 5.0 0.3 m to 3 m RESISTOR 0.3 m, 0.5 m, 1 m, 2 m, 3 m 398 PARAMETER UNIT1.0, 5.0 CHARACTERISTICS 60 WSLT3921 “D” THICKNESS 4.0 0.0130 Fe-Cr GLOBAL RESISTANCE ELEMENT Notes Temperature coefficient ppm/°C ±VALUE 175 for(mΩ) 0.3 mΩ and 0.5 mΩ, ± 75 forMATERIAL 1 mΩ to 4 mΩ MODEL (inches) DERATING •GLOBAL WSLT5931 0.3 0.0300 Mn-Cu PART NUMBER INFORMATION Part marking: No part marking on these parts. 40 Operating temperature range °C - 65 to + 275 WSLT3921 0.5 0.0300 Mn-Cu (2) 120 OtherPart values may be available, contact factory.(WSLT3921, WSLT5931 0.5 0.0180 Mn-Cu Global Numbering: WSLT39212L000FEA 0.002 Ω, ± 1 %) Maximum working voltage V (P x R)1/2 20 WSLT3921 1.0 0.0150 Mn-Cu 100 WSLT5931 1.0 0.0330 Fe-Cr W S L T 3 9 2 1WSLT3921 2 L 0 0 0 0.0270 F E A 2.0 Fe-Cr 0 TECHNICAL SPECIFICATIONS WSLT5931 2.0 0.0155 Fe-Cr 80 - 65 - 25 25 75 125 175 225 275 WSLT3921 3.0 RESISTOR0.0170 Fe-Cr GLOBAL PART NUMBER INFORMATION Ambient Temperature in °C PARAMETER UNIT CHARACTERISTICS WSLT5931 3.0 0.0105 Fe-Cr 70 GLOBAL MODEL RESISTANCE VALUE TOLERANCE CODE CODE SPECIAL 60 WSLT3921 4.0for 0.3PACKAGING Global Part Numbering: (WSLT3921, 0.002 Ω, ± 1±%) Temperature coefficientWSLT39212L000FEA ppm/°C 175 mΩ and0.0130 0.5 mΩ, ± 75 for 1Fe-Cr mΩ to 4 mΩ WSLT3921 L = mΩ F = ± 1.0 % EA = Lead (Pb)-free, tape/reel Reserved for WSLT5931 0.3 0.0300 Mn-Cu Operating 65 toF+ 275 40 WSLT5931 2L000 =3 0.0029Ω °C2 bulk future specials W temperature S L range T 1J = ± 5.0 2 % L 0 EK0= Lead0-(Pb)-free, E A PERFORMANCE WSLT5931 0.5 0.0180 Mn-Cu 1/2 Maximum working voltage V (P x R) Rated Power in % WSLT5931 (2) WSLT3921RANGEWSLT3921 CURRENTLY AVAILABLE (typical) (2.70 ± 0.254) (6.20 ± 0.13) (10.0 ± 0.254) (5.20 ± 0.254) (0.5) (2.00±±0.254) 0.254) (5.60 Note Ω (1) Ω 0.344 ± 0.010 g/1000 pieces 0.205 ± 0.010 0.220 ± 0.005 0.591WSLT5931 ±Flame 0.010retardance 0.305 ± 0.010 0.020not0.157 ± 0.010 to test may be applicable some resistor WSLT5931 (5.20 ± 0.254) ±±m 0.254) (15.0 0.254) (7.75 ± 0.254) 0.254) (5.60 technologies. 0.5 m to 4±m 0.5 m, 1 m,(0.5) 2 m, (8.75 3(4.00 m, 4 281± 0.13) Rated Power in % 20 0 - 65 TEST CONDITIONS OF TEST WSLT5931 1.0 0.0330 GLOBALshock MODEL RESISTANCE VALUE Thermal - 55 °C to +TOLERANCE 150 °C, 1000CODE cycles, 15 min at PACKAGING each extremeCODE WSLT5931 2.0 0.0155 ** Please see document “Vishay Material Category Policy”: www.vishay.com/doc?99902 - 25 25WSLT3921 75 125 175 275 L225 = mΩ F= ± rated 1.0 %power for 5EA Short time overload 5x s = Lead (Pb)-free, tape/reel GLOBAL PART NUMBER INFORMATION Ambient Temperature in °C 3.0 EK = Lead (Pb)-free, 0.0105 bulk WSLT5931 2L000 = 0.002 Ω JWSLT5931 = ± contact: 5.0 % [email protected] 70 www.vishay.com For technical questions, Low temperature storage 65 °C for 45 min Global Part Numbering: WSLT39212L000FEA (WSLT3921, 0.002 Ω, ± 1 %) 388 High temperature exposure 1000 h at + 275 °C Revision 18-Nov-10 Resistors - High Temperature for Harsh Environments Power WSLT5931 Metal Strip® Resistors, High Temperature (275 °C), WSLT3921, Low Value (Down to 0.0003High Ω), Surface Mount (275 Power Metal Strip® Resistors, Temperature Vishay Dale AND TEC O L OGY WSLT3921/5931 Vishay Dale N HN power metal strip® resistors WSLT3921, WSLT5931 O W S Bias humidity L T 3 9 2 1 85 %2RH, 10L% bias, 0 10000h + 85 °C, PERFORMANCE ** Please see document “Vishay Material Category Policy”: www.vishay.com/doc?99902 0 F TEST LIMITS Fe-Cr ± (1.0 % + SPECIAL 0.0005 Ω) ΔR Fe-Cr forΔR ± (0.5 % Reserved + 0.0005 Ω) Fe-Cr futureNumber: specials30136 ± Document (0.5 % + 0.0005 Ω) ΔR Revision: 18-Nov-10 ± (1.0 % + 0.0005 Ω) ΔR E ± (0.5 A % + 0.0005 Ω) ΔR 100 g’s for 6 ms, 5 pulses ± (0.5 % + 0.0005 Ω) ΔR TEST CONDITIONS OF TEST TEST LIMITS Vibration Frequency 10 Hzcontact: to 2000 Hz in 1 min, 3 directions, 12 hCODE ± Document (0.5 % + 0.0005 Ω) ΔR GLOBAL MODEL RESISTANCE VALUE varied TOLERANCE CODE PACKAGING SPECIAL www.vishay.com For technical questions, [email protected] Number: 30136 Thermal shock388 - 55 °C to + 150 °C, 1000 cycles, 15 min at each extreme ± (1.0 % + 0.0005 Ω) ΔR Load WSLT3921 life 1000 h at F += 70±°C, + Reserved 0.000518-Nov-10 Ω)for ΔR L = mΩ 1.01.5 % h “ON”, 0.5 EAh =“OFF” Lead (Pb)-free, tape/reel± (1.0 %Revision: Short time overload 5 x rated power for 5 s ± (0.5 % + 0.0005 Ω) ΔR WSLT5931 Ω °C solder, J10= s±to 5.0 EK emergence = Lead (Pb)-free, bulk ± (0.5 % +future specials Resistance to solder heat 2L000 = 0.002 + 260 12%s dwell, 25 mm/s 0.0005 Ω) ΔR Low temperature storage - 65 °C for 45 min ± (0.5 % + 0.0005 Ω) ΔR Moisture resistance MIL-STD-202, method 106, 0 % power, 7a and 7b not required ± (0.5 % + 0.0005 Ω) ΔR High temperature exposure 1000 h at + 275 °C ± (1.0 % + 0.0005 Ω) ΔR Mechanical shock Bias humidity + 85 °C, 85 % RH, 10 % bias, 1000 h ± (0.5 % + 0.0005 Ω) ΔR PRODUCT SHEET 2/2 VMN-PT0093-1201 ** Please see document “Vishay Material Category Policy”: www.vishay.com/doc?99902 Mechanical shockPACKAGING 100 g’s for 6 ms, 5 pulses ± (0.5 % + 0.0005 Ω) ΔR www.vishay.com technical contact: [email protected] Number: 30136 Vibration Frequency varied For 10 Hz to 2000questions, Hz in 1 min, 3 directions, 12 h REEL ± (0.5 % + 0.0005 Ω)Document ΔR 388 Revision: 18-Nov-10 MODEL This document is subject to change without notice. THE0.5 PRODUCTS DESCRIBED ±HEREIN AND THIS DOCUMENT ARE SUBJECT TO Load life 1000 h at + 70 °C, 1.5 h “ON”, h “OFF” (1.0 % + 0.0005 Ω) ΔR TAPE WIDTH DIAMETER PIECES/REEL CODE SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 Resistance to solder heat + 260 °C solder, s to 12 s dwell, 25 mm/s emergence ± (0.5 % 3000 + 0.0005 Ω) ΔR WSLT3921 1610 mm/embossed plastic 330 mm/13" EA Moisture resistance MIL-STD-202, method 106, 0 % power, 7a and 7b not required ± (0.5 % + 0.0005 Ω) ΔR