WSK2512R0100FEA

WSK2512 www.vishay.com Vishay Dale Power Metal Strip® Resistors, Low Value (Down to 0.0005 Ω), Surface-Mount, 4-Terminal FEATURES • 4-terminal design allows for 1 % tolerance down to 0.0005 Ω and 0.5 % tolerance down to 0.001 Ω • All welded construction of the Power Metal Available Strip® resistors are ideal for all types of current sensing, voltage division, and pulse applications • Proprietary processing technique produces extremely low resistance values (down to Available 0.0005 Ω) • Sulfur resistance by construction that is Available unaffected by high sulfur environments • Solid metal nickel-chrome or manganese-copper alloy resistive element Available with low TCR (< 20 ppm/°C) • Very low inductance 0.5 nH to 5 nH • AEC-Q200 qualified (1) • Material categorization: for definitions of compliance please see www.vishay.com/doc?99912 LINKS TO ADDITIONAL RESOURCES 3D 3D 3D Models Design Tools Videos Notes * 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 • Follow link to Overview of Automotive Grade Products for more details: www.vishay.com/doc?49924 • “SMD Current Sense: AEC-Q200 vs. Vishay Qualification” technical note: www.vishay.com/doc?30416 (1) Flame retardance test may not be applicable to some resistor technologies STANDARD ELECTRICAL SPECIFICATIONS RESISTANCE VALUE RANGE Ω GLOBAL MODEL SIZE POWER RATING P70 °C W TOL. ± 0.1 % TOL. ± 0.5 % TOL. ± 1.0 % WEIGHT (typical) g/1000 pieces WSK2512 2512 1.0 0.01 to 0.2 0.001 to 0.2 0.0005 to 0.2 63.6 Note • Part marking: value, tolerance; due to resistor size limitations some resistance values will be marked with only the resistance value • “Thermal Management for Surface-Mount Devices” white paper: www.vishay.com/doc?30380 GLOBAL PART NUMBER INFORMATION Global Part Numbering Example: WSK25125L000FTA (visit www.vishay.net Vishay Dale parts numbering manual for all options) W S K 2 5 1 2 5 L 0 0 0 F T A GLOBAL MODEL RESISTANCE VALUE (1) TOLERANCE CODE PACKAGING CODE (2) SPECIAL WSK2512 L = mΩ * R = decimal 5L000 = 0.005 Ω R0100 = 0.01 Ω B = ± 0.1 % D = ± 0.5 % F = ± 1.0 % EA = lead (Pb)-free, tape / reel EK = lead (Pb)-free, bulk (dash number) (up to 2 digits) From 1 to 99 as applicable TA = tin / lead, tape / reel (R86) BA = tin / lead, bulk (B43) * Use “L” for resistance values < 0.01 Ω Notes • Per PCN-DR-00009-2022-REV-0, WSL marking will be removed effective March 1st, 2023 (1) WSL marking (www.vishay.com/doc?30327) (2) Packaging code: EB (lead (Pb)-free) and TB (tin / lead) are non-standard packaging codes designating 1000 piece reels. These non-standard packaging codes are identical to our standard EA (lead (Pb)-free) and TA (tin / lead), except that they have a package quantity of 1000 pieces Revision: 04-Apr-2022 Document Number: 30108 1 For technical questions, contact: ww2bresistors@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 WSK2512 www.vishay.com Vishay Dale TECHNICAL SPECIFICATIONS PARAMETER UNIT RESISTOR CHARACTERISTICS ppm/°C ± 350 for 0.5 mΩ to 0.99 mΩ, ± 250 for 0.001 Ω to 0.0029 Ω, ± 75 for 0.003 Ω to 0.0049 Ω, ± 35 for 0.005 Ω to 0.2 Ω Operating temperature range °C -65 to +170 Maximum working voltage V (P x R)1/2 Temperature coefficient Note • “Temperature Coefficient of Resistance for Current Sensing” white paper: www.vishay.com/doc?30405 DIMENSIONS in inches (millimeters) L W H B T A l b d c a e Notes • 3D models available: www.vishay.com/doc?30323 • Surface-mount solder profile recommendations: www.vishay.com/doc?31052 DIMENSIONS RESISTANCE RANGE Ω MODEL L W H 0.001 to 0.0049 A B 0.105 ± 0.010 [2.66 ± 0.254] 0.0005 to 0.00099 WSK2512 T 0.250 ± 0.010 (6.35 ± 0.254) 0.125 ± 0.010 (3.18 ± 0.254) 0.025 ± 0.010 (0.635 ± 0.254) 0.087 ± 0.010 (2.21 ± 0.254) 0.030 ± 0.010 0.020 ± 0.010 (0.762 ± 0.254) (0.508 ± 0.254) 0.047 ± 0.010 (1.19 ± 0.254) 0.005 to 0.2 SOLDER PAD DIMENSIONS RESISTANCE RANGE Ω a 0.0005 to 0.0049 0.130 (3.30) 0.005 to 0.2 0.090 (2.29) MODEL WSK2512 Revision: 04-Apr-2022 b c d e 0.130 (3.30) 0.030 (0.76) 0.020 (0.51) 0.067 (1.70) l 0.065 (1.65) 0.145 (3.68) Document Number: 30108 2 For technical questions, contact: ww2bresistors@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 WSK2512 www.vishay.com Vishay Dale ELECTRICAL CONNECTION E1 I1 I2 E2 Notes • E1 and E2: voltage sense connections • I1 and I2: current connection Rated Power in % DERATING PULSE CAPABILITY 120 100 click to get started 80 60 40 US ILL 20 0 - 65 - 50 - 25 0 25 50 75 100 125 150 VE TI A TR S SE O RP PU LY ON 170 Ambient Temperature in °C 70 www.vishay.com/resistors/power-metal-strip-calculator PERFORMANCE TEST CONDITIONS OF TEST TEST LIMITS Thermal shock -55 °C to +150 °C, 1000 cycles, 15 min at each extreme ± 0.5 % + 0.0005 Ω Short time overload 5 x rated power for 5 s ± 0.5 % + 0.0005 Ω Low temperature operation -65 °C for 24 h ± 0.5 % + 0.0005 Ω High temperature exposure 1000 h at +170 °C ± 1.0 % + 0.0005 Ω Bias humidity +85 °C, 85 % RH, 10 % bias, 1000 h ± 0.5 % + 0.0005 Ω Mechanical shock 100 g’s for 6 ms, 5 pulses ± 0.5 % + 0.0005 Ω Vibration Frequency varied 10 Hz to 2000 Hz in 1 min, 3 directions, 12 h ± 0.5 % + 0.0005 Ω Load life 1000 h at rated power, +70 °C, 1.5 h “ON”, 0.5 h “OFF” ± 1.0 % + 0.0005 Ω Resistance to solder heat +260 °C solder, 10 s to 12 s dwell, 25 mm/s emergence ± 0.5 % + 0.0005 Ω Moisture resistance MIL-STD-202, method 106, 0 % power, 7a and 7b not required ± 0.5 % + 0.0005 Ω PACKAGING (1) MODEL WSK2512 REEL TAPE WIDTH DIAMETER PIECES / REEL CODE 12 mm / embossed plastic 178 mm / 7" 2000 EA Notes • Embossed carrier tape per EIA-481 (1) Additional packaging details at www.vishay.com/doc?20051 Revision: 04-Apr-2022 Document Number: 30108 3 For technical questions, contact: ww2bresistors@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 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. 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