Features
Applications
2
n D PAK housing
n Power supplies
n Low inductance
n Motor drives
n Resistor electrically isolated from the backplate
n Test and measurement
n High power rating
n Rectifiers
n Compatible with lead free solder reflow temperatures
n AEC-Q200 qualified
n RoHS compliant*
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 Material Characteristics
Resistor ...................................Thick film
Parameter Value(s)
Substrate ..................... Alumina (AL203)
Resistance 0.02 to 130 K
(See Popular Resistance Values table) Housing ........................................Epoxy
Power Rating @ 25 C Case Temperature 20 W Pins....................Tinned Copper (Sn/Cu)
Tolerance 1 %**, 5 %
Flammability ........ Conforms to UL-94V0
TCR
0.02 <R<130.0K 100 PPM/C
Popular Resistance Values
Thermal Resistance - R 6.5 C/W
thj
Inductance 0.1 H maximum
Resistance Resistance
Code Code
Operating Voltage P*R with a maximum of 250 V
Value Value
Dielectric Strength 2 KV AC
R020 0.02 *** 1000 100
Insulation Resistance 10 G
R025 0.025 *** 1200 120
Operating Temperature -55 C to 155 C
R030 0.03 *** 1500 150
R033 0.033 *** 2000 200
** Available for most values. Check Popular Resistance Values table.
R040 0.04 *** 2500 250
R050 0.05 *** 3000 300
Reliability Characteristics
R075 0.075 *** 3300 330
R100 0.1 4000 400
Parameter Specification
R150 0.15 4700 470
Short Term Overload (2x Pr for R < 2 ,
R200 0.2 5000 500
R 0.25 %
1.6 x Pr for R 2 , V < 1.5 x Operating Voltage)
R250 0.25 5600 560
Load Life (1000 hours at rated power) R 1.0 %
R300 0.3 7500 750
Thermal Shock (-55 C to 155 C, 5 cycles) R 0.5 %
R330 0.33 1001 1.0 K
Resistance to Soldering Heat (10 seconds at
R400 0.4 1501 1.5 K
R 0.5 %
270 C)
R500 0.5 2001 2.0 K
Vibration (20 G 10-2000 Hz .06 D.A.) R 0.25 %
R750 0.75 2501 2.5 K
Moisture Sensitivity Level 1
1R00 1 3001 3.0 K
1R50 1.5 3301 3.3 K
2R00 2 4001 4.0 K
Power Derating Curve
2R50 2.5 5001 5.0 K
120
3R00 3 7501 7.5 K
3R30 3.3 1002 10 K
4R00 4 1502 15 K
100
5R00 5 2002 20 K
7R50 7.5 2502 25 K
8R00 8 3002 30 K
75
10R0 10 3302 33 K
12R0 12 4002 40 K
15R0 15 4702 47 K
50
20R0 20 5002 50 K
25R0 25 5602 56 K
27R0 27 6802 68 K
25
30R0 30 7502 75 K
33R0 33 8202 82 K
40R0 40 1003 100 K
0
47R0 47 1153 115 K
020840 60 0 100 120 140 155
50R0 50 1203 120 K
Case Temperature (C)
56R0 56 1253 125 K
75R0 75 1303 130 K
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifications are subject to change without notice.
*** 5 % Tolerance
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device
performance may vary over time.
Users should verify actual device performance in their specific applications.
263 20
R500 1%
1622
COSTA RICA
*RoHS COMPLIANT
VERSIONS
AVAILABLE
*RoHS COMPLIANT
LEAD FREE
LEAD FREE
VERSIONS ARE
RoHS COMPLIANT*
*RoHS COMPLIANT
& AEC-Q200 QUALIFIED
*RoHS COMPLIANT
AEC APPROVED (Select Models)
Rated Power (%) PWR263S-20 Series Power Resistor
Recommended Pad Layout
Product Dimensions
10.1
4.5
(0.398)
1.6
(0.177)
10.1 7.8 1.3
11.0
(0.063)
(0.307) (.051)
(0.398) 4.5
(.433)
1.6
7.8 (0.177)
1.3
11.0
(0.063)
(0.307)
(.051)
48
(.433)
10.4 4.02
(0.158)
(0.409)
48
15.39
10.4 REF. 4.02
(0.606)
(0.158)
(0.409)
8.8 10.52
15.39
REF.
(0.414)
(0.347) (0.606)
8.8 10.52
2.25
(0.414)
(0.347)
(0.089)
2.25
(0.089)
0.26
(0.10)
0.26
4.23
1.92 (0.10)
1.4 3.1
(0.166)
(0.076)
(0.055) (0.122)
5.08 4.23
1.92
0.25
(0.20) 1.4
3.1 (0.166)
2.4
(0.076)
(0.010)
(0.055)
5.08 (0.122)
(0.095)
(0.20) 0.25 0.13 8.0
2.4
(0.010 0.005) (.315)
(0.095)
8.0
12
(.315)
BACKPLANE
MM
ELECTRICALLY
DIMENSIONS:
ISOLATED
(INCHES)
Typical Part Marking
0.38
TOLERANCE: UNLESS OTHERWISE NOTED
(0.015)
RESISTANCE
LEAD 0.102 MAX AT MOUNTING
MODEL
CODE
NUMBER
COPLANARITY: (0.004) SURFACE 263 20
TOLERANCE
XXXX X%
DATE CODE
MANUFACTURER'S YYWW
Soldering Profile
TRADEMARK
COSTA RICA COUNTRY
OF ORIGIN
275
<1>
Maximum of 20 seconds between
260 C peak
+245 C and +260 C
<1>
245 C
225
220 C
How to Order
190 C 60 - 90
seconds PWR 263 S - 20 - 10R0 F E
175
150 C Ramp Down
Model
6 C/second
PWR = Power
Resistor
125
Package
60 - 120 seconds
2
263 = D PAK
10 seconds minimum
Pin Style
S = Surface Mount
75
Ramp Up
Power
3 C/second maximum
20 = 20 W
Resistance Value
25
<100 ohms ... R represents decimal
050 100 150 200 250 300
point (examples: 7R50 =
Time (seconds)
7.5 ; R500 = 0.5 )
100 ohms .... First three digits are
Power dissipation is 2.8 W at an ambient temperature of 25 C when mounted on a
significant, fourth digit
double-sided copper board using FR4 standard, 70 m of copper, 39 x 30 x 1.6 mm.
represents number of
zeros to follow (exam-
ples: 2000 = 200 ohms;
3002 = 30K ohms)
Absolute Tolerance
J = 5 %
F = 1 %
Packaging
Specifications are subject to change without notice.
E = Tape & Reel
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device
Blank = Tubes
performance may vary over time.
Users should verify actual device performance in their specific applications.
Temperature (C)