PWR220T-20-4R70J Bourns Inc., PWR220T-20-4R70J Datasheet

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PWR220T-20-4R70J

Manufacturer Part Number
PWR220T-20-4R70J
Description
POWER RESISTOR 5%
Manufacturer
Bourns Inc.
Series
PWR220T-20r
Datasheet

Specifications of PWR220T-20-4R70J

Resistance (ohms)
4.7
Number Of Terminations
2
Package / Case
TO-220-2
Power (watts)
20W
Composition
Thick Film
Features
Current Sense, Pulse Withstanding
Temperature Coefficient
±100ppm/°C
Tolerance
±5%
Size / Dimension
0.398" L x 0.157" W (10.10mm x 4.00mm)
Height
0.575" (14.60mm)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
** Available for most values. Check Standard Resistance Values table.
Bourns
is used in current measurement, snubber, bleeder and discharge circuits.
Parameter
Resistance (See table of standard values)
Power Rating @ 25 ˚C Case Temperature
Tolerance
TCR
Thermal Resistance - R thj
Inductance
Operating Voltage
Dielectric Strength
Insulation Resistance
Operating Temperature
Parameter
Short Term Overload (2x Pr for R < 2 Ω,
1.6 x Pr for R ≥ 2 Ω, V < 1.5 x Operating Voltage)
Load Life (1000 hours at rated power)
Thermal Shock (-55 ˚C to 155 ˚C, 5 cycles)
Resistance to Soldering Heat (10 seconds at 270 ˚C)
Vibration (20 G 10-2000 Hz .06 ” D.A.)
Terminal Strength (MIL-STD-202, Method 211
Test A1)
Shock (Saw Tooth: 100 g/6 ms)
Humidity (Steady State) 1000 hrs. 85 °C/85 % RH
High Temperature Exposure
(100 hrs - 40 % Pr @ +125 °C)
Derating Curve
General Information
Electrical & Thermal Characteristics
Reliability Characteristics
0.02 Ω<R<130.0K Ω
®
PWR220T-20 Series is a TO-220 DPAK style power resistor. Manufactured using thick fi lm on alumina ceramic technology, it
100
120
-20
80
60
40
20
0
25
35
45
55
Temperature of Backplate (°C)
65
75
85
PWR220T-20 Series Power Resistor
Features
95 105
TO-220 housing
Low inductance
Resistor electrically isolated from the
backplate
High power rating
RoHS compliant*
Specifi cation
ΔR
ΔR
ΔR
ΔR ±0.5 %
ΔR ±0.25 %
ΔR ±0.2 %
ΔR ±0.5 %
ΔR ±0.5 %
ΔR ±0.5 %
Value(s)
0.02 Ω to 130 KΩ
20 W
±1 %**,
±100 PPM/˚C
6.5 ˚C/W
0.1 µH maximum
√P*R with a maximum of 250 V
2 KV AC
10 GΩ
-55 ˚C to 155 ˚C
115 125 135 145 155
±0.25 %
±1.0 %
±0.5 %
±5 %
Customers should verify actual device performance in their specifi c applications.
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex.
Applications
Resistor .................................. Thick fi lm
Substrate ......................Alumina (AL203)
Housing ........................................Epoxy
Pins ....................Tinned Copper (Sn/Cu)
Flammability ........Conforms to UL-94V0
............................................50 pcs./tube
*** 5 % Tolerance
MANUFACTURER'S
Power supplies
Motor drives
Test and measurement
Rectifi ers
Code
R020
R050
R100
R500
R750
1R00
1R50
2R00
2R20
2R50
3R00
3R30
4R70
5R00
7R50
8R20
10R0
15R0
Typical Part Marking
Material Characteristics
Packaging
Standard Resistance Values
Specifi cations are subject to change without notice.
TRADEMARK
RESISTANCE
Resistance
CODE
0.02***
0.05***
Value
0.75
0.1
0.5
1.5
2.2
2.5
3.3
4.7
7.5
8.2
10
15
1
2
3
5
COSTA RICA
220
R500 1%
Code
20R0
30R0
33R0
47R0
50R0
56R0
75R0
1000
2000
3300
4700
7500
1001
3301
1002
3002
1003
1303
902
20
Resistance
100000
130000
MODEL
NUMBER
TOLERANCE
DATE CODE
COUNTRY
OF ORIGIN
10000
33000
Value
7500
1000
3300
100
200
330
470
20
30
33
47
50
56
75

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PWR220T-20-4R70J Summary of contents

Page 1

... General Information ® Bourns PWR220T-20 Series is a TO-220 DPAK style power resistor. Manufactured using thick fi alumina ceramic technology used in current measurement, snubber, bleeder and discharge circuits. Electrical & Thermal Characteristics Parameter Resistance (See table of standard values) Power Rating @ 25 ˚C Case Temperature ...

Page 2

... PWR220T-20 Series Power Resistor Product Dimensions 10.1 3.6 (.398) (.142) 6.0 2.5 (.236) (.098) 8.63 (.340) 13.72 (.540) 0.72 (.029) 5.08 (.200) DIMENSIONS: Pulse Power Rating 100 10 1 0.1 0. Overload Duration in Seconds The energy absorbed by the resistor expressed in Joules can be calculated by multiplying the peak power of the pulse in watts times the length of the pulse in seconds ...

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