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| SR Vishay Dale Wirewound Resistors, Open Air, Current Sense, Low Value FEATURES * Open air design * Low resistance values for all types of current sensing, voltage division and pulse applications including switching and linear supplies, instrumentation and power amplifiers * All welded construction * Solid metal nickel-chrome or copper-nickel alloy resistive element * Solderable terminations * Very low inductance * Lead (Pb)-free version is RoHS compliant Pb-free Available e3 RoHS* COMPLIANT STANDARD ELECTRICAL SPECIFICATIONS MODEL SR1 SR3 SR5 POWER RATING P70 C W 1.0 3.0 5.0 TOLERANCE % 1, 5 1, 5 1, 5 RESISTANCE RANGE 0.005 - 0.03 0.005 - 0.05 0.004 - 0.05 TECHNICAL SPECIFICATIONS PARAMETER Temperature Coefficient Operating Temperature Range Maximum Continuous Current UNIT ppm/C C A SR Resistor Characteristics 0.004 - 0.005 = 300 0.0051 - 0.0099 = 175 0.01 - 0.05 = 100 - 65 to + 275 (P/R)1/2 SAP ORDERING INFORMATION (Part Number 18 digits) Global Part Numbering Example: SR55L000JE14 S R 5 5 L 0 0 0 J E 1 4 GLOBAL MODEL SR1 SR3 SR5 VALUE L = m (below 0.01 ) R = Decimal 5L000 = 0.005 R0100 = 0.01 TOLERANCE F = 1.0 % J = 5.0 % K = 10 % PACKAGING E14 = Lead (Pb)-free bulk B14 = Tin/lead bulk SPECIAL (Dash Number) (up to 3 digits) From 1 - 999 as applicable * Pb containing terminations are not RoHS compliant, exemptions may apply www.vishay.com 164 For technical questions, contact: ww2aresistors@vishay.com Document Number: 31067 Revision: 22-Nov-07 SR Wirewound Resistors, Open Air, Current Sense, Low Value DIMENSIONS in inches [millimeters] Vishay Dale SR1 SR3 and SR5 0.050 0.010 [1.27 0.254] 0.312 [7.95] typ. C F A E A B 0.112 [2.85] max. C E F MODEL SR1 SR3 SR5 DIMENSIONS in inches [millimeters] A 0.450 + 0.020 [11.43 + 0.508] 0.600 + 0.040/- 0.020 [15.24 + 1.020/- 0.508] 0.800 + 0.040/- 0.020 [20.32 + 1.020/- 0.508] B 0.125 0.030 [3.18 0.762] C E 0.070 [1.78] 0.065 + 0.010/- 0.005 [1.65 + 0.254/- 0.127] 0.040 0.002 [1.02 0.051] F 1.0 maximum [25.4 maximum] MATERIAL SPECIFICATIONS Element: Nickel-chrome or copper-nickel alloy depending on resistance value Terminals: Tinned copper Encapsulation: None Marking: None RATED POWER IN % 120 100 80 60 40 20 0 - 65 - 25 25 125 175 225 275 75 70 AMBIENT TEMPERATURE IN C Derating PERFORMANCE TEST Temperature Cycling Low Temperature Storage High Temperature Exposure Bias Humidity Mechanical Shock Vibration Load Life Resistance to Solder Heat Moisture Resistance CONDITIONS OF TEST - 55 C to + 125 C, 1000 cycles, 15 min at each extreme - 65 C for 24 h 1000 h at + 275 C + 85 C, 85 % RH, 10 % bias, 1000 h 100 g's for 11 ms, 5 pulses Frequency varied 10 to 2000 Hz in 1 min, 3 directions, 12 h 1000 h at rated power, + 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, 7a and 7b not required TEST LIMITS (1.0 % + 0.0005 ) R (0.5 % + 0.0005 ) R (2.0 % + 0.0005 ) R (1.0 % + 0.0005 ) R (0.2 % + 0.0005 ) R (0.2 % + 0.0005 ) R (2.0 % + 0.0005 ) R (0.5 % + 0.0005 ) R (0.5 % + 0.0005 ) R Document Number: 31067 Revision: 22-Nov-07 For technical questions, contact: ww2aresistors@vishay.com www.vishay.com 165 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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