WSF www.vishay.com Vishay Dale Metal Film Resistors, Power, Surface Mount FEATURES • Molded encapsulation • Wraparound compliant terminations eliminate risk of solder fillet cracking • Solderable terminations • Excellent stability at different environmental conditions • High power ratings (up to 2 W) • AEC-Q200 qualified available (1) • Material categorization: for definitions of compliance please see www.vishay.com/doc?99912 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. Available Available Available Note (1) Flame retardance test may not be applicable to some resistor technologies. Available Available STANDARD ELECTRICAL SPECIFICATIONS GLOBAL MODEL POWER RATING P70 °C W SIZE INCH TOLERANCE ±% RESISTANCE RANGE TEMPERATURE COEFFICIENT (4) ± ppm/°C ENCAPSULATION WSF2012 2012 0.5 0.5, 1, 5 5.0 to 1.43K (2) 100 Epoxy WSF2515 2515 1.0 0.5, 1, 5 10 to 10K 100 Thermoplastic WSF4527 4527 2.0 (3) 0.5, 1, 5 10 to 100K 100 Thermoplastic TECHNICAL SPECIFICATIONS PARAMETER Dielectric withstanding voltage UNIT WSF2012 WSF2515 WSF4527 VAC > 500 > 500 > 500 Insulation resistance Operating temperature range °C - 65/+ 175 - 65/+ 175 - 65/+ 150 Maximum working voltage V (P x R)1/2 (P x R)1/2 (P x R)1/2 (3) Weight/1000 pieces (typical) g 90 165 760 > 109 Notes • Part marking: 1/2 W - DALE, value; 1 W - model, value, tolerance, date code; 2 W - DALE, model, value, tolerance, date code. (2) E96 values only. (3) Resistance values above 31.25 k are limited to 250 V maximum working voltage. (4) ± 50 ppm/°C and ± 25 ppm/°C available. GLOBAL PART NUMBER INFORMATION Global Part Numbering example: WSF25151K500JKTA (preferred numbering format) W S F 2 5 1 5 1 K 5 0 0 J K T A GLOBAL MODEL VALUE TOLERANCE TCR PACKAGING SPECIAL WSF2012 WSF2515 WSF4527 R = Decimal K = Thousand 100R0 = 100 1K000 = 1 k D = ± 0.5 % F = ± 1.0 % G = ± 2.0 % H = ± 3.0 % J = ± 5.0 % K = ± 10 % E = ± 25 ppm/°C H = ± 50 ppm/°C K = ± 100 ppm/°C EA = Lead (Pb)-free, tape/reel EK = Lead (Pb)-free, bulk TA = Tin/lead , tape/reel (R86) BA = Tin/lead, tape/reel, bulk (B43) (Dash number) (Up to 2 digits) From 1 to 99 as applicable Historical Part Numbering example: WSF2515 1.5 k 5 % 100 ppm/°C R86 (will continue to be accepted for tin/lead product only) WSF2515 1.5 k 5% 100 ppm/°C R86 HISTORICAL MODEL RESISTANCE VALUE TOLERANCE CODE TEMPERATURE COEFFICIENT PACKAGING Revision: 06-Nov-14 Document Number: 30104 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 WSF www.vishay.com Vishay Dale DIMENSIONS DIMENSIONS in inches (millimeters) MODEL W H L H T W W1 0.200 ± 0.020 0.096 ± 0.015 0.040 ± 0.010 0.125 ± 0.005 0.050 ± 0.005 WSF2012 (5.08 ± 0.508) (2.44 ± 0.381) (1.02 ± 0.254) (3.18 ± 0.127) (1.27 ± 0.127) W 1 WSF2515 0.250 ± 0.020 0.110 ± 0.015 0.045 ± 0.010 0.150 ± 0.005 0.098 ± 0.005 (6.35 ± 0.508) (2.79 ± 0.381) (1.14 ± 0.254) (3.81 ± 0.127) (2.49 ± 0.127) WSF4527 0.455 ± 0.020 0.167 ± 0.010 0.100 ± 0.010 0.275 ± 0.005 0.215 ± 0.005 (11.56 ± 0.508) (4.24 ± 0.254) (2.54 ± 0.254) (6.98 ± 0.127) (5.46 ± 0.127) T L MODEL l a a b l WSF2012 0.085 (2.16) 0.070 (1.78) 0.080 (2.03) WSF2515 0.090 (2.29) 0.115 (2.92) 0.120 (3.05) WSF4527 0.155 (3.94) 0.230 (5.94) 0.205 (5.21) 200 Rated Power in % Temperature Rise in °C SOLDER PAD DIMENSIONS in inches (millimeters) b 150 WSF4527 WSF2515 100 WSF2012 120 100 80 60 WSF2012 WSF2515 40 50 20 0 0 0.5 1.0 1.5 Temperature Rise 0 - 65 2.0 Power in W WSF4527 - 25 0 25 50 Derating 75 100 125 150 175 200 Ambient Temperature in °C 70 PERFORMANCE TEST CONDITIONS OF TEST TEST LIMITS Thermal shock -55 °C to +150 °C, 1000 cycles, 15 min at each extreme ± (1.0 % + 0.05 ) R Short time overload 5 x rated power for 5 s ± (0.5 % + 0.05 ) R Low temperature storage -65 °C for 24 h ± (0.5 % + 0.05 ) R High temperature exposure 1000 h at +175 °C (150 °C for WSF4527) ± (1.0 % + 0.05 ) R ± (0.5 % + 0.05 ) R Bias humidity +85 °C, 85 % RH, 10 % Bias, 1000 h Moisture resistance MIL-STD-202 method 106, 0 % power, 7a and 7b not required ± (0.5 % + 0.05 ) R Mechanical shock 100 g’s for 6 ms, 5 pulses ± (0.5 % + 0.05 ) R Vibration Frequency varied 10 Hz to 500 Hz in one min, 3 directions, 9 h ± (0.5 % + 0.05 ) R Load life 1000 h at rated power, +70 °C, 1.5 h “ON”, 0.5 h “OFF” ± (1.0 % + 0.05 ) R Resistance to solder heat +260 °C solder, 10 s to 12 s dwell, 25 mm/s emergence ± (0.5 % + 0.05 ) R PACKAGING MODEL REEL TAPE WIDTH DIAMETER PIECES/REEL CODE WSF2012 12 mm/embossed plastic 330 mm/13" 2000 EA/TA WSF2515 16 mm/embossed plastic 330 mm/13" 2000 EA/TA WSF4527 24 mm/embossed plastic 330 mm/13" 1200 EA/TA Note • Embossed Carrier Tape per EIA-481. Revision: 06-Nov-14 Document Number: 30104 2 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 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. Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special, consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular purpose, non-infringement and merchantability. Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of typical requirements that are often placed on Vishay products in generic applications. Such statements are not binding statements about the suitability of products for a particular application. It is the customer’s responsibility to validate that a particular product with the properties described in the product specification is suitable for use in a particular application. Parameters provided in datasheets and/or specifications may vary in different applications and performance may vary over time. All operating parameters, including typical parameters, must be validated for each customer application by the customer’s technical experts. Product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed therein. Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining applications or for any other application in which the failure of the Vishay product could result in personal injury or death. Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk. Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by any conduct of Vishay. Product names and markings noted herein may be trademarks of their respective owners. Material Category Policy Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as RoHS-Compliant fulfill the definitions and restrictions defined under Directive 2011/65/EU of The European Parliament and of the Council of June 8, 2011 on the restriction of the use of certain hazardous substances in electrical and electronic equipment (EEE) - recast, unless otherwise specified as non-compliant. Please note that some Vishay documentation may still make reference to RoHS Directive 2002/95/EC. 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