WSH2818R0250FEA Vishay

Product is End of Life May-2016 and Replaced by WSHM2818 WSH2818 www.vishay.com Vishay Dale Power Metal Strip Resistors, High Power (5 W), Low Value (down to 0.001 ), Surface Mount FEATURES Improved thermal management incorporated into design Ideal for all types of current sensing, voltage division and pulse applications including switching and linear power supplies, instruments, power amplifier Proprietary processing technique produces extremely low resistance values All welded construction Very low inductance (< 5 nH) Excellent frequency response to 50 MHz Solid metal nickel-chrome or manganese- copper alloy resistive element with low TCR (< 20 ppm/C) Low thermal EMF (< 3 V/C) Product Termination Notice: PCN-DR-028-2015-Rev-0 (1) AEC-Q200 qualified For documentation go to: www.vishay.com/quality/pcn-search/. PATENT(S): www.vishay.com/patents Enter search for resistors, Vishay Dale, and product termination. Material categorization: for definitions of compliance please see www.vishay.com/doc 99912 Technical Note: WSHM / WSH Side by Side Comparison for a Note Drop-In Replacement Part: www.vishay.com/doc 30305. (1) Flame retardance test may not be applicable to some resistor technologies STANDARD ELECTRICAL SPECIFICATIONS POWER RATING RESISTANCE WEIGHT TOLERANCE GLOBAL MODEL SIZE P VALUE RANGE (typical) 70 C % W g/1000 pieces (1) WSH2818 2818 5 1.0 0.001 to 0.1 126 Note (1) The WSH2818 is rated at 5 W with maximum surface temperature of 200 C TECHNICAL SPECIFICATIONS PARAMETER UNIT RESISTOR CHARACTERISTICS 200 for 1 m to 5.99 m Temperature coefficient ppm/C 75 for 6 m to 100 m Inductance nH < 5 Operating temperature range C -65 to +170 1/2 Maximum continuous current A (P/R) GLOBAL PART NUMBER INFORMATION Global Part Numbering example: WSH2818R1000FEA W S H 2 8 1 8 R 1 0 0 0 F E A GLOBAL MODEL RESISTANCE VALUE TOLERANCE CODE PACKAGING CODE SPECIAL WSH2818 L = m * F = 1.0 % EA = lead (Pb)-free, tape/reel (dash number) R = Decimal J = 5.0 % EK = lead (Pb)-free, bulk (up to 2 digits) 4L000 = 0.004 from 1 to 99 R0100 = 0.01 as applicable * Use L for resistance values < 0.01 PATENT(S): www.vishay.com/patents This Vishay product is protected by one or more United States and international patents. Revision: 21-Jun-2018 Document Number: 30120 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 91000Product is End of Life May-2016 and Replaced by WSHM2818 WSH2818 www.vishay.com Vishay Dale DIMENSIONS in inches (millimeters) L H a T b l a W RESISTANCE DIMENSIONS SOLDER PAD DIMENSIONS MODEL RANGE L W H T a b l 0.032 0.010 0.006 to 0.1 (0.813 0.25) 0.280 0.010 0.180 0.010 0.125 0.010 0.138 0.200 0.024 WSH2818 (7.1 0.25) (4.6 0.25) (3.18 0.25) (3.5) (5.1) (0.61) 0.045 0.010 0.001 to 0.0059 (1.143 0.25) DERATING 120 100 80 60 40 20 0 - 65 - 50 - 25 0 25 50 75 100 125 150 170 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 0.5 % R Short time overload 4x rated power for 5 s 1.0 % R Low temperature operation -65 C for 45 min 0.5 % R High temperature exposure 1000 h at +170 C 1.0 % R Bias humidity +85 C, 85 % RH, 10 % bias, 1000 h 0.5 % R Mechanical shock 100 gs for 6 ms, 5 pulses 0.5 % R Vibration Frequency varied 10 Hz to 2000 Hz in 1 min, 3 directions, 12 h 0.5 % R Load life 1000 h at 70 C, 1.5 h ON, 0.5 h OFF 1.0 % R Resistance to solder heat +260 C solder, 10 s to 12 s dwell, 25 mm/s emergence 0.5 % R Moisture resistance MIL-STD-202, method 106, 0 % power, 7b not required 0.5 % R PACKAGING REEL MODEL TAPE WIDTH DIAMETER PIECES/REEL CODE WSH2818 16 mm/embossed plastic 330 mm/13 3500 EA Note Embossed Carrier Tape per EIA-481 Revision: 21-Jun-2018 Document Number: 30120 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 Rated Power in %