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| IA NT Features Applications Low TCR (75 ppm/C) High current capability Ultra low resistance values Power supplies Motor drives Electricity metering *R oH S CO M PL PWR3920 S Series Power Resistor Electrical Characteristics Parameter Resistance Range Power Rating @ 70 C Tolerance Temperature Coefficient (TCR) Operating Temperature Maximum Operating Voltage Value 0.2, 0.3, 0.5, 1.0, 2.0. 3.0, 4.0 3.0 1, 5 75 -65 to +170 PxR Unit milliohms W % PPM/C C General Information The Bourns(R) PWR3920 Series is a surface mount shunt resistor offering up to 3 W of power and very low resistance values as well as excellent TCR characteristics. It is designed for applications such as motor drives and power supplies. Environmental Characteristics Description Short Time Overload High Temperature Storage Vibration Mechanical Shock Load Life Bias Humidity Resistance to Solder Heat Low Temperature Storage Load Life Moisture Resistance Resistance to Soldering Heat Thermal Shock Method 5 x Rated Power for 5 Seconds 1000 Hours at + 175 C Frequency varied 10 to 2000 Hz in 1 Minute, 3 Directions, 12 Hours 100 g for 6 Milliseconds, 5 Pulses 1000 Hours at + 70 C, 1.5 Hours "ON", 0.5 Hours "OFF" +85 C, 85 % RH, 10 % Bias, 1000 Hours + 260 C Solder, 10 - 12 Second Dwell, 25 mm/Second -65 C for 45 Minutes (PxR) for 1000 Hours, 1.5 Hours "ON", 0.5 Hours "OFF" MIL-STD-202, Method 106, 0 % Power, 7a and 7b Not Required 260 C for 10 Seconds 1000 Cycles from -55 C to +150 C, 15 Minutes at Temperature Limit (R) (1.0 % +0.0005 ) (1.0 % +0.0005 ) (0.5 % +0.0005 ) (0.5 % +0.0005 ) (0.5 % +0.0005 ) (0.5 % +0.0005 ) (0.5 % +0.0005 ) (0.5 % +0.0005 ) (1.0 % +0.0005 ) (0.5 % +0.0005 ) (0.5 % +0.0005 ) (0.5 % +0.0005 ) *RoHS Directive 2002/95/EC Jan 27 2003, including Annex Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. PWR3920 S Series Power Resistor Product Dimensions 10.0 0.254 (0.394 0.010) Solder Pads 5.20 0.254 (0.205 0.010) 6.20 0.254 (0.244 0.010) 0.5 (0.020) 2.00 0.010 (0.079 0.254) 2.70 0.254 (0.106 0.010) 5.60 0.13 (0.220 0.005) DIMENSIONS = MILLIMETERS (INCHES) How to Order Packaging Specifications PWR 3920 - 2 S B R0040 J E Model PWR = Power Resistor Package 3920 = 0.39 x 0.20 inches Number of Terminals 2=2 Function S = Shunt Version Resistor Value R (4 Digits) Absolute Tolerance J=5% F=1% Packaging E = Tape & Reel ___ = Bulk Tape ..........................................................16 mm/Embossed Plastic Reel ..............................................................330 mm/13 in. diameter Pieces per Reel ..........................................................................3000 Reliable Electronic Solutions Asia-Pacific: Tel: +886-2 2562-4117 * Fax: +886-2 2562-4116 Europe: Tel: +41-41 768 5555 * Fax: +41-41 768 5510 The Americas: Tel: +1-951 781-5500 * Fax: +1-951 781-5700 www.bourns.com COPYRIGHT(c) 2005, BOURNS, INC. LITHO IN U.S.A. PWR3920 S 12/05 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. |
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