BOURNS PWR2920

IA
NT
Features
CO
M
PL
■
*R
oH
S
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Applications
Low TCR (75 ppm/°C)
High current capability
Ultra low resistance values
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Power supplies
Motor drives
Electricity metering
PWR3920 S Series Power Resistor
Electrical Characteristics
Parameter
General Information
Value
Unit
0.2, 0.3, 0.5,
1.0, 2.0. 3.0, 4.0
milliohms
Power Rating @ 70 °C
3.0
W
Tolerance
1, 5
%
Temperature Coefficient (TCR)
±75
PPM/°C
-65 to +170
°C
Resistance Range
Operating Temperature
Maximum Operating Voltage
The Bourns® 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.
√PxR
Environmental Characteristics
Description
Method
Limit (∆R)
5 x Rated Power for 5 Seconds
± (1.0 % +0.0005 Ω)
1000 Hours at + 175 °C
± (1.0 % +0.0005 Ω)
Frequency varied 10 to 2000 Hz in 1 Minute, 3 Directions, 12 Hours
± (0.5 % +0.0005 Ω)
100 g for 6 Milliseconds, 5 Pulses
± (0.5 % +0.0005 Ω)
1000 Hours at + 70 °C, 1.5 Hours “ON”, 0.5 Hours “OFF”
± (0.5 % +0.0005 Ω)
+85 °C, 85 % RH, 10 % Bias, 1000 Hours
± (0.5 % +0.0005 Ω)
Resistance to Solder Heat
+ 260 °C Solder, 10 - 12 Second Dwell, 25 mm/Second
± (0.5 % +0.0005 Ω)
Low Temperature Storage
-65 °C for 45 Minutes
± (0.5 % +0.0005 Ω)
√(PxR) for 1000 Hours, 1.5 Hours “ON”, 0.5 Hours “OFF”
± (1.0 % +0.0005 Ω)
MIL-STD-202, Method 106, 0 % Power, 7a and 7b Not Required
± (0.5 % +0.0005 Ω)
260 °C for 10 Seconds
± (0.5 % +0.0005 Ω)
1000 Cycles from -55 °C to +150 °C, 15 Minutes at Temperature
± (0.5 % +0.0005 Ω)
Short Time Overload
High Temperature Storage
Vibration
Mechanical Shock
Load Life
Bias Humidity
Load Life
Moisture Resistance
Resistance to Soldering Heat
Thermal Shock
*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
Tape ..........................................................16 mm/Embossed Plastic
Reel ..............................................................330 mm/13 in. diameter
Pieces per Reel ..........................................................................3000
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
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© 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.