Features
2
n D PAK housing n AEC-Q200 qualified
n Low inductance
n Resistor electrically isolated from the Applications
backplate
n Power supplies
n High power rating
n Motor drives
n Compatible with lead free solder reflow
n Test and measurement
temperatures
n Rectifiers
n RoHS compliant*
PWR263S-35 Series Power Resistor
General Information
Bourns PWR263S-35 Series is a TO263 DPAK style power resistor. Manufactured using thick film on alumina ceramic technology, it
is 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
Housing ........................................Epoxy
(See Popular Resistance Values table)
Pins....................Tinned Copper (Sn/Cu)
Power Rating @ 25 C Case Temperature 35 W
Flammability ........ Conforms to UL-94V0
Tolerance 1 %**, 5 %
TCR
Popular Resistance Values
0.02 <R<130.0K 100 PPM/C
Resistance Resistance
Thermal Resistance - R 3.7 C/W
thj
Code Code
Value Value
Inductance 0.1 H maximum
R020 0.02 *** 1000 100
Operating Voltage P*R with a maximum of 250 V
R025 0.025 *** 1200 120
Dielectric Strength 2 KV AC
R030 0.03 *** 1500 150
R033 0.033 *** 2000 200
Insulation Resistance 10 G
R040 0.04 *** 2500 250
Operating Temperature -55 C to 155 C
R050 0.05 *** 3000 300
** Available for most values. Check Popular Resistance Values table.
R075 0.075 *** 3300 330
R100 0.1 4000 400
R150 0.15 4700 470
Reliability Characteristics
R200 0.2 5000 500
Parameter Specification R250 0.25 5600 560
R300 0.3 7500 750
Short Term Overload (2x Pr for R < 2 ,
R 0.25 %
R330 0.33 1001 1.0 K
1.6 x Pr for R 2 , V < 1.5 x Operating Voltage)
R400 0.4 1501 1.5 K
Load Life (1000 hours at rated power) R 1.0 %
R500 0.5 2001 2.0 K
Thermal Shock (-55 C to 155 C, 5 cycles) R 0.5 %
R750 0.75 2501 2.5 K
Resistance to Soldering Heat (10 seconds at
1R00 1 3001 3.0 K
R 0.5 %
270 C)
1R50 1.5 3301 3.3 K
Vibration (20 G 10-2000 Hz .06 D.A.) R 0.25 % 2R00 2 4001 4.0 K
2R50 2.5 5001 5.0 K
Moisture Sensitivity Level 1
3R00 3 7501 7.5 K
3R30 3.3 1002 10 K
Derating Curve
4R00 4 1502 15 K
5R00 5 2002 20 K
120
7R50 7.5 2502 25 K
8R00 8 3002 30 K
100
10R0 10 3302 33 K
12R0 12 4002 40 K
75
15R0 15 4702 47 K
20R0 20 5002 50 K
50
25R0 25 5602 56 K
27R0 27 6802 68 K
30R0 30 7502 75 K
25
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 35
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-35 Series Power Resistor
Recommended Pad Layout
Product Dimensions
10.1 10.1
(0.398) (0.398) 4.5 4.5
1.6 1.6
7.8 7.8 (0.177) (0.177)
1.3 1.3
11.0 11.0
(0.063) (0.063)
(0.307) (0.307)
(.051) (.051)
(.433) (.433)
48 48
10.4 10.4 4.02 4.02
(0.158) (0.158)
(0.409) (0.409)
15.39 15.39
REF. REF.
(0.606) (0.606)
10.52 10.52
8.8 8.8
(0.414) (0.414)
(0.347) (0.347)
2.25 2.25
(0.089) (0.089)
0.26 0.26
(0.10) (0.10)
4.23 4.23
1.92 1.92
1.4 1.4
3.1 3.1 (0.166) (0.166)
(0.076) (0.076)
(0.055) (0.055)
5.08 5.08 (0.122) (0.122)
(0.20) (0.20) 0.25 0.13 0.25 0.13
2.4 2.4
(0.010 0.005) (0.010 0.005)
(0.095) (0.095)
8.0 8.0
(.315) (.315)
MM
DIMENSIONS:
(INCHES)
Typical Part Marking
0.38
TOLERANCE: UNLESS OTHERWISE NOTED
(0.015)
LEAD 0.102 MAX AT MOUNTING
RESISTANCE
MODEL
COPLANARITY: (0.004) SURFACE
CODE
NUMBER
263 35
TOLERANCE
XXXX X%
YYWW DATE CODE
MANUFACTURER'S
TRADEMARK
Soldering Profile 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 - 35 - 10R0 F E
175
150 C Ramp Down
Model
6 C/second
PWR = Power
Resistor
125
60 - 120 seconds Package
2
263 = D PAK
10 seconds minimum
Pin Style
75 S = Surface Mount
Ramp Up
Power
3 C/second maximum
35 = 35 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 3.5 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 %
Specifications are subject to change without notice.
Packaging
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device
E = Tape & Reel
performance may vary over time.
Blank = Tubes
Users should verify actual device performance in their specific applications.
Temperature (C)