鈻?/div>
Low TCR (75 ppm/擄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 擄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
鹵75
-65 to +170
鈭歅xR
Unit
milliohms
W
%
PPM/擄C
擄C
General Information
The Bourns廬 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
擄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 擄C, 1.5 Hours 鈥淥N鈥? 0.5 Hours 鈥淥FF鈥?/div>
+85 擄C, 85 % RH, 10 % Bias, 1000 Hours
+ 260 擄C Solder, 10 - 12 Second Dwell, 25 mm/Second
-65 擄C for 45 Minutes
鈭?PxR)
for 1000 Hours, 1.5 Hours 鈥淥N鈥? 0.5 Hours 鈥淥FF鈥?/div>
MIL-STD-202, Method 106, 0 % Power, 7a and 7b Not Required
260 擄C for 10 Seconds
1000 Cycles from -55 擄C to +150 擄C, 15 Minutes at Temperature
Limit (鈭哛)
鹵 (1.0 % +0.0005
惟)
鹵 (1.0 % +0.0005
惟)
鹵 (0.5 % +0.0005
惟)
鹵 (0.5 % +0.0005
惟)
鹵 (0.5 % +0.0005
惟)
鹵 (0.5 % +0.0005
惟)
鹵 (0.5 % +0.0005
惟)
鹵 (0.5 % +0.0005
惟)
鹵 (1.0 % +0.0005
惟)
鹵 (0.5 % +0.0005
惟)
鹵 (0.5 % +0.0005
惟)
鹵 (0.5 % +0.0005
惟)
*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.
BOURNS
1
2
