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| WSLS2512, Improved Stability Vishay Dale Improved Stability (0.25 % and 0.5 %), Power Metal Strip(R) Resistors Low Value (0.01 to 0.1 ), Surface Mount FEATURES * Current sensing in high-temperature (+ 125 C) applications * Greater stability with maximum resistance change of 0.25 % or 0.5 % through 2000 h workload * Ideal for all types of current sensing, voltage division and pulse applications including switching and linear power supplies, instruments, power amplifiers and shunts * Proprietary processing technique produces extremely low resistance values (0.01 to 0.1 ) * All welded construction * Solid metal Nickel-Chrome resistive element with low TCR (< 20 ppm/C) * Lead (Pb)-free construction is RoHS compliant * Very low inductance 0.5 nH to 2 nH * Excellent frequency response to 50 MHz * Low thermal EMF (< 3 V/C) STANDARD ELECTRICAL SPECIFICATIONS GLOBAL MODEL POWER RATING P70 C W 1.0 RESISTANCE RANGE 1.0 % 0.01 - 0.1 WEIGHT (typical) g/1000 pieces 63.6 WSLS2512 Note * Part Marking: Value, RTC/Stability code TECHNICAL SPECIFICATIONS PARAMETER Temperature Coefficient Operating Temperature Range Maximum Working Voltage UNIT ppm/C C V WSLS2512 RESISTOR CHARACTERISTICS 75 - 65 to + 170 (P x R)1/2 GLOBAL PART NUMBER INFORMATION NEW GLOBAL PART NUMBERING: WSLS2512R0100FHEA W S L S 2 5 1 2 R 0 1 0 0 F H E A SPECIAL (Dash Number) (up to 2 digits) From 1 - 99 as applicable GLOBAL MODEL WSLS2512 RESISTANCE VALUE L = m* R = Decimal 5L000 = 0.005 R0100 = 0.01 * use "L" for resistance value < 0.01 TOLERANCE CODE D = 0.5 % F = 1.0 % J = 5.0 % RTC/STABILITY G = 75 ppm, 0.25 % stability H = 75 ppm, 0.5 % stability PACKAGING CODE EA = Lead (Pb)-free, tape/reel EK = Lead (Pb)-free, bulk www.vishay.com 12 For technical questions, contact: ww2bresistors@vishay.com Document Number: 30123 Revision: 06-Oct-08 WSLS2512, Improved Stability Improved Stability (0.25 % and 0.5 %), Power Metal Strip(R) Resistors Low Value (0.01 to 0.1 ), Surface Mount DIMENSIONS MODEL H W T L l Vishay Dale DIMENSIONS in inches [millimeters] L W H T WSLS2512 0.250 0.010 0.125 0.010 0.025 0.010 0.030 0.010 [6.35 0.254] [3.18 0.254] [0.635 0.254] [0.762 0.254] MODEL b SOLDER PAD DIMENSIONS in inches [millimeters] a 0.065 [1.65] b 0.145 [3.68] l 0.160 [4.06] a WSLS2512 Rated Power in % 120 100 80 60 40 20 0 - 65 - 50 - 25 0 25 50 75 100 125 150 170 Derating 70 Ambient Temperature in C PERFORMANCE TEST Thermal Shock Short Time Overload Low Temperature Operation High Temperature Exposure Bias Humidity Mechanical Shock Vibration Load Life Resistance to Solder Heat Moisture Resistance CONDITIONS OF TEST - 55 C to + 150 C, 1000 cycles, 15 min at each extreme 5 x rated power for 5 s for WSL2512 size or smaller - 65 C for 45 min 1000 h at + 170 C + 85 C, 85 % RH, 10 % Bias, 1000 h 100 g's for 6 ms, 5 pulses Frequency varied 10 to 2000 Hz in 1 min, 3 directions, 12 h 2000 h at 70 C, 1.5 h "ON", 0.5 h "OFF" + 260 C Solder, 10 to 12 s dwell, 25 mm/s emergence MIL-STD-202, Method 106, 0 % power, 7b not required TEST LIMITS 0.25 % 0.5 % (0.5 % + 0.005 ) R (0.5 % + 0.005 ) R (0.5 % + 0.005 ) R (1.0 % + 0.005 ) R (0.5 % + 0.005 ) R (0.5 % + 0.005 ) R (0.5 % + 0.005 ) R 0.25 % R 0.5 % R (0.5 % + 0.005 ) R (0.5 % + 0.005 ) R PACKAGING MODEL WSLS2512 Note * Embossed Carrier Tape per EIA-481-2 Document Number: 30123 Revision: 06-Oct-08 For technical questions, contact: ww2bresistors@vishay.com www.vishay.com 13 REEL TAPE WIDTH 12 mm/Embossed Plastic DIAMETER 178 mm/7" PIECES/REEL 2000 CODE EA Legal Disclaimer Notice Vishay Disclaimer All product specifications and data are subject to change without notice. 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 herein or in any other disclosure relating to any product. Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any information provided herein to the maximum extent permitted by law. The product specifications do not expand or otherwise modify Vishay's terms and conditions of purchase, including but not limited to the warranty expressed therein, which apply to these products. 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. The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications. Product names and markings noted herein may be trademarks of their respective owners. Document Number: 91000 Revision: 18-Jul-08 www.vishay.com 1 |
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