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PDF PWR3920S Data sheet ( Hoja de datos )
| Número de pieza | PWR3920S | |
| Descripción | Power Resistor | |
| Fabricantes | Bourns Electronic Solutions | |
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Features
■ Low TCR (75 ppm/°C)
■ High current capability
■ Ultra low resistance values
Applications
■ Power supplies
■ Motor drives
■ Electricity metering
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® 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 Ω)
± (1.0 % +0.0005 Ω)
± (0.5 % +0.0005 Ω)
± (0.5 % +0.0005 Ω)
± (0.5 % +0.0005 Ω)
± (0.5 % +0.0005 Ω)
± (0.5 % +0.0005 Ω)
± (0.5 % +0.0005 Ω)
± (1.0 % +0.0005 Ω)
± (0.5 % +0.0005 Ω)
± (0.5 % +0.0005 Ω)
± (0.5 % +0.0005 Ω)
*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.
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| Páginas | Total 2 Páginas | |
| PDF Descargar | [ Datasheet PWR3920S.PDF ] | |
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