WSZ www.vishay.com Vishay Wirewound Resistors, Surface Mount, Silicone or Cement Coated, High Power FEATURES • • • • • • • Low cost, high power (up to 3.75 W) All welded construction Ideal for pulsing application Ceramic core Available on tape and reel AEC-Q200 qualified available (1) Material categorization: For definitions of compliance please see www.vishay.com/doc?99912 Available Available Available Available Note (1) Flame retardance test may not be applicable to some resistor technologies. Available Note * This datasheet provides information about parts that are RoHS-compliant and/or parts that are non-RoHS-compliant. For example, parts with lead (Pb) terminations are not RoHS-compliant. Please see the information/tables in this datasheet for details. STANDARD ELECTRICAL SPECIFICATIONS RESISTANCE RESISTANCE RESISTANCE RESISTANCE POWER RANGE (2) RANGE (2) RANGE RANGE TOLERANCE WEIGHT RATING (typical) ENCAPS. SIZE P TCR TCR ±% TCR TCR (3) 25 °C (- 10 to - 80) ppm/K (100 to 180) ppm/K ± 50 ppm/°C ± 30 ppm/°C g W (CLASS 1) (CLASS 3) 1 to 510 n/a n/a n/a 1 0.22 to 510 n/a n/a n/a 2 (4) WSZ6720 6720 1.8 0.6 Cement 0.10 to 510 24 to 3.3K n/a n/a 5 0.10 to 510 1.8 to 3.3K n/a n/a 10 n/a n/a n/a 10 to 15K 1, 3 WSZ7532 7532 3.75 0.7 Silicone n/a n/a 1 to 9.99 10 to 15K 5, 10 Notes (2) Lower TCR or other power range on request. Resistance value to be selected for ± 10 % tolerance from E12 and for ± 5 % from E24. (3) 1 400 ppm/K. (4) Power rating depends on the maximum temperature at the solder point, solder pad dimensions, the component placement density and the substrate material. GLOBAL MODEL GLOBAL PART NUMBER INFORMATION Global Part Numbering example: WSZ672011509KBM000 W S Z GLOBAL MODEL WSZ6720 6 7 2 0 1 1 5 0 9 K TCR/MATERIAL 1= (-10 to -80) ppm/K WM 50 Class 1 3= (100 to 180) ppm/K WM 110 Class 3 VALUE TOLERANCE CODE F = ± 1.0 % 3 digit value G = ± 2.0 % 1 digit multiplier J = ± 5.0 % MULTIPLIER K = ± 10.0 % 7 = *10-3 8 = *10-2 9 = *10-1 0 = *100 1 = *101 2 = *102 3 = *103 Historical Part Numbering example: WSZ6720 WM 50 15 10 % BM 15 WSZ6720 WM 50 HISTORICAL MODEL TCR/MATERIAL VALUE B M 0 PACKAGING BM = Lead (Pb)-free, tape/reel LX = Lead (Pb)-free, bulk 0 0 SPECIAL 3 digits 000 = Standard 10 % BM TOLERANCE CODE PACKAGING Global Part Numbering example: WSZ75321K000JTA W S GLOBAL MODEL WSZ7532 Z 7 5 3 VALUE R = Decimal K = Thousand 54R15 = 54.15 1K325 = 1325 2 1 K 0 TOLERANCE CODE F = ± 1.0 % G = ± 2.0 % H = ± 3.0 % J = ± 5.0 % K = ± 10 % 0 0 J T A PACKAGING EA = Lead (Pb)-free, tape/reel EK = Lead (Pb)-free, bulk TA = Tin/lead, tape/reel BA = Tin/lead, bulk SPECIAL (Dash number) (Up to 3 digits) From 1 to 999 as applicable Revision: 02-Apr-14 Document Number: 30246 1 For technical questions on the WSZ670, contact: [email protected]; on the WSZ7532, 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 WSZ www.vishay.com Vishay DIMENSIONS D A a I E b C B Z 0.5 max. PIN PLANE MODEL A 13.2 max. (0.512 max.) 14.27 ± 1.57 (0.562 ± 0.062) WSZ6720 WSZ7532 MODEL DIMENSIONS in millimeters (inches) B C D 17 ± 0.5 4.8 max. 0.8 max. (0.670) (0.189 max.) (0.031 max.) 19.86 + 0.548 - 0.381 4.78 ± 0.8 0.813 ± 0.051 (0.782 + 0.021 - 0.015) (0.188 ± 0.031) (0.032 ± 0.002) a 10 (0.394) 4.0 (0.157) WSZ6720 WSZ7532 E 5 ± 0.5 (0.20 ± 0.02) 7.33 ± 1.6 (0.289 ± 0.062) SOLDER PAD DIMENSIONS in millimeters (inches) b 10 (0.394) 9.50 (0.374) Z 3.6 ± 0.5 (0.142 ± 0.02) 6.5 ± 1.12 (0.256 ± 0.044) l 14.5 (0.57) 15.05 (0.593) TECHNICAL SPECIFICATIONS PARAMETER UNIT Temperature Coefficient Operating Temperature Range Maximum Working Voltage Terminal Strength WSZ6720 ppm/°C °C V lb WSZ7532 See Standard Electrical Specifications table -55 to +250 -65 to +350 (P x R)1/2 10 minimum PERFORMANCE TEST CONDITIONS OF TEST Temperature Cycling High Temperature Exposure Short Time Overload Shock, Specified Pulse Vibration, High Frequency Load Life Resistance to Soldering Heat -55 °C to +125 °C, 5 cycles, 15 min at each extreme 1000 h at + 250 °C 5 x rated power for 5 s 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” +260 °C solder, 10 s to 12 s dwell, 25 mm/s emergence TEST LIMITS WSZ7532 ± (2 % + 0.05 ) R ± (2 % + 0.05 ) R ± (2 % + 0.05 ) R ± (2 % + 0.05 ) R ± (2 % + 0.05 ) R ± (3 % + 0.05 ) R ± (0.5 % + 0.05 ) R DERATING RATED POWER IN % TEMPERATURE RISE IN °C TEMPERATURE RISE WSZ6720 ± 3 % R ± 3 % R ± 1 % R ± 1 % R ± 1 % R ± 3 % R ± 1 % R 300 200 WSZ6720 WSZ7532 100 120 100 80 WSZ7532 60 WSZ6720 40 20 0 -55 0 0 1 2 3 4 5 POWER IN W Measurement based on recommended solder pads 50 150 250 350 AMBIENT TEMPERATURE IN °C PACKAGING MODEL REEL TAPE WIDTH 24 mm 32 mm/embossed plastic WSZ6720 WSZ7532 (1) Note (1) Embossed carrier tape per EIA-481. DIAMETER 330 mm 330 mm/13" PIECES/REEL 1250 350 CODE BM EA/TA Revision: 02-Apr-14 Document Number: 30246 2 For technical questions on the WSZ670, contact: [email protected]; on the WSZ7532, 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 Legal Disclaimer Notice www.vishay.com Vishay Disclaimer ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE. Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other disclosure relating to any product. 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We confirm that all the products identified as being compliant to Directive 2002/95/EC conform to Directive 2011/65/EU. Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as Halogen-Free follow Halogen-Free requirements as per JEDEC JS709A standards. Please note that some Vishay documentation may still make reference to the IEC 61249-2-21 definition. We confirm that all the products identified as being compliant to IEC 61249-2-21 conform to JEDEC JS709A standards. Revision: 02-Oct-12 1 Document Number: 91000