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Features
G RADE
n
D
2
PAK housing
n
Low inductance
n
Resistor electrically isolated from the backplate
n
High power rating
n
Compatible with lead free solder reflow temperatures
n
AEC-Q200 compliant
n
RoHS compliant*
20
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PWR263S-20 Series Power Resistor
General Information
Bourns
®
PWR263S-20 Series is a TO263 DPAK style power resistor manufactured using thick film on alumina ceramic technology,
and used in current measurement, snubber, bleeder and discharge circuits.
Electrical & Thermal Characteristics
Parameter
Resistance
(See Popular Resistance Values table)
Power Rating @ 25 ˚C Case Temperature
Tolerance
TCR
0.02
Ω<R<130.0K Ω
Thermal Resistance - Rthj
Inductance
Operating Voltage
Dielectric Strength
Insulation Resistance
Operating Temperature
Value(s)
0.02
Ω
to 130 KΩ
20 W
±1 %**,
±5 %
Material Characteristics
Resistor ...................................Thick film
Substrate ..................... Alumina (AL203)
Housing ........................................Epoxy
Pins....................Tinned Copper (Sn/Cu)
Flammability ........ Conforms to UL-94V0
Popular Resistance Values
Code
±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
** Available for most values. Check Popular Resistance Values table.
Reliability Characteristics
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.)
Moisture Sensitivity Level
Specification
ΔR
ΔR
ΔR
±0.25 %
±1.0 %
±0.5 %
ΔR
±0.5 %
ΔR
±0.25 %
1
Power Derating Curve
120
25 °C
100
75
50
25
0
0
20
40
60
80
100
120
140
155
Case Temperature (°C)
WARNING Cancer and Reproductive Harm -
www.P65Warnings.ca.gov
R020
R025
R030
R033
R040
R050
R075
R100
R150
R200
R250
R300
R330
R400
R500
R750
1R00
1R50
2R00
2R50
3R00
3R30
4R00
5R00
7R50
8R00
10R0
12R0
15R0
20R0
25R0
27R0
30R0
33R0
40R0
47R0
50R0
56R0
75R0
Resistance
Value
Code
0.02 Ω***
0.025 Ω***
0.03 Ω***
0.033 Ω***
0.04 Ω***
0.05 Ω***
0.075 Ω***
0.1 Ω
0.15 Ω
0.2 Ω
0.25 Ω
0.3 Ω
0.33 Ω
0.4 Ω
0.5 Ω
0.75 Ω
1Ω
1.5 Ω
2Ω
2.5 Ω
3Ω
3.3 Ω
4Ω
5Ω
7.5 Ω
8Ω
10 Ω
12 Ω
15 Ω
20 Ω
25 Ω
27 Ω
30 Ω
33 Ω
40 Ω
47 Ω
50 Ω
56 Ω
75 Ω
1000
1200
1500
2000
2500
3000
3300
4000
4700
5000
5600
7500
1001
1501
2001
2501
3001
3301
4001
5001
7501
1002
1502
2002
2502
3002
3302
4002
4702
5002
5602
6802
7502
8202
1003
1153
1203
1253
1303
Resistance
Value
100 Ω
120 Ω
150 Ω
200 Ω
250 Ω
300 Ω
330 Ω
400 Ω
470 Ω
500 Ω
560 Ω
750 Ω
1.0 KΩ
1.5 KΩ
2.0 KΩ
2.5 KΩ
3.0 KΩ
3.3 KΩ
4.0 KΩ
5.0 KΩ
7.5 KΩ
10 KΩ
15 KΩ
20 KΩ
25 KΩ
30 KΩ
33 KΩ
40 KΩ
47 KΩ
50 KΩ
56 KΩ
68 KΩ
75 KΩ
82 KΩ
100 KΩ
115 KΩ
120 KΩ
125 KΩ
130 KΩ
*RoHS Directive 2015/863, Mar 31, 2015 and Annex.
*** 5 % Tolerance
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
Rated Power (%)
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