WSL2726
Vishay Dale
Power Metal Strip® Resistors, Low Value, High Power, Surface Mount
FEATURES
• High power to foot print size ratio • Ideal for all types of current sensing, voltage division and pulse applications including switching and linear power supplies, instruments, power amplifiers and shunts
RoHS
COMPLIANT
• Proprietary processing technique produces extremely low resistance values down to 0.0005 Ω • All welded construction • Solid metal Iron-Chrome or Manganese-Copper alloy resistive element with low TCR (< 20 ppm/°C) • Very low inductance 0.5 nH to 5 nH • Excellent frequency response to 50 MHz • Low thermal EMF (< 3 µV/°C)
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL MODEL WSL2726 POWER RATING P70 °C W 3.0 TOLERANCE % 1.0 RESISTANCE VALUE AVAILABLE mΩ 0.5, 2, 3, 5 WEIGHT (Typical) g/1000 pieces 420
Notes • Power rating depends on the max. temp. at the solder point, component placement density and the substrate material • Part Marking: Model, Value, Tolerance, Date Code
TECHNICAL SPECIFICATIONS
PARAMETER Temperature Coefficient Operating Temperature Range Maximum Working Voltage UNIT ppm/°C °C V WSL RESISTOR CHARACTERISTICS ± 75 over temperature of + 20 °C to + 60 °C - 65 to + 170 (P x R)1/2
GLOBAL PART NUMBER INFORMATION
GLOBAL PART NUMBERING: WSL2726L5000FEA
W
S
L
2
7
2
6
L
5
0
0
0
F
E
A
GLOBAL MODEL WSL2726
RESISTANCE VALUE L = mΩ L5000 = 0.0005 Ω 2L000 = 0.002 Ω 3L000 = 0.003 Ω 5L000 = 0.005 Ω
TOLERANCE CODE F = ± 1.0 %
PACKAGING CODE EA = Lead (Pb)-free, tape/reel EK = Lead (Pb)-free, bulk
SPECIAL (Dash number) (up to 2 digits) From 1 - 99 as applicable
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For technical questions, contact: ww2bresistors@vishay.com
Document Number: 30131 Revision: 27-Aug-08
WSL2726
Power Metal Strip® Resistors, Low Value, High Power, Surface Mount
DIMENSIONS
MODEL WSL2726 DIMENSIONS in inches [millimeters] L 0.272 ± 0.008 [6.9 ± 0.2] W 0.260 + 0.012/- 0.008 [6.6 + 0.3/- 0.2] H 0.117 ± 0.008 [3.0 ± 0.2] R 0.039 ± 0.004 [1.0 ± 0.1] S 0.028 ± 0.004 [0.7 ± 0.1] T 0.016 ± 0.002 [0.4 ± 0.05] U 0.078 ± 0.004 [2.0 ± 0.1]
Vishay Dale
W
L
MODEL a WSL2726 0.220 [5.6]
SOLDER PAD DIMENSIONS in inches [millimeters] b 0.096 [2.44] c 0.035 [0.89] d 0.035 [0.89] w 0.290 [7.4]
U T H c R
S Rated Power in %
120 100 80 60 40 20 0 - 65 - 50
b w b a
d
- 25
0
25
50
Derating
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 0.5, 2 and 3 mΩ - 5 x rated power for 5 s 5 mΩ - 3 x rated power for 5 s - 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 1000 h at + 70 °C, 1.5 h “ON”, 0.5 h “OFF” + 260 °C Solder, 10 - 12 s dwell, 25 mm/s emergence MIL-STD-202, Method 106, 0 % power, 7b not required
75 100 125 150 170 Ambient Temperature in °C 70
TEST LIMITS ± (0.5 % + 0.0005 Ω) ΔR ± (0.5 % + 0.0005 Ω) ΔR ± (0.5 % + 0.0005 Ω) ΔR ± (1.0 % + 0.0005 Ω) ΔR ± (0.5 % + 0.0005 Ω) ΔR ± (0.5 % + 0.0005 Ω) ΔR ± (0.5 % + 0.0005 Ω) ΔR ± (1.0 % + 0.0005 Ω) ΔR ± (0.5 % + 0.0005 Ω) ΔR ± (0.5 % + 0.0005 Ω) ΔR
PACKAGING
REEL MODEL TAPE WIDTH WSL2726 16 mm/Embossed Plastic DIAMETER 330 mm/13" PIECES/REEL 1500 CODE EA
Note • Embossed Carrier Tape per EIA-481-2 Document Number: 30131 Revision: 27-Aug-08 For technical questions, contact: ww2bresistors@vishay.com www.vishay.com 25
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
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