PWR263S-20-R025FE [BOURNS]
Fixed Resistor, Metal Glaze/thick Film, 20W, 0.025ohm, 250V, 1% +/-Tol, 100ppm/Cel, Surface Mount, 4035, T0263, ROHS COMPLIANT;
| 型号： | PWR263S-20-R025FE |
| 厂家： | 
BOURNS ELECTRONIC SOLUTIONS |
| 描述： | Fixed Resistor, Metal Glaze/thick Film, 20W, 0.025ohm, 250V, 1% +/-Tol, 100ppm/Cel, Surface Mount, 4035, T0263, ROHS COMPLIANT |
| 文件： | 总3页 (文件大小：289K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Features
■ D2PAK housing
■ Low inductance
■ RoHS compliant*
Applications
■ Power supplies
■ Motor drives
■ Resistor electrically isolated from the
backplate
■ High power rating
■ Compatible with lead free solder reflow
temperatures
■ Test and measurement
■ Rectifiers
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
Substrate.....................Alumina (AL203)
Housing ........................................Epoxy
Pins....................Tinned Copper (SnMCu)
Flammability ........ Conforms to UL-94V0
Parameter
Value(s)
Resistance
0.02 Ω to 130 KΩ
(See Popular Resistance Values table)
Power Rating @ 25 ˚C Case Temperature
Tolerance
20 W
1 ꢀ%%,
5 ꢀ
TCR
0.02 Ω<R<130.0K Ω
100 PPꢁM˚C
6.5 ˚CMW
Popular Resistance Values
Thermal Resistance - R
Inductance
thj
0.1 µH maximum
√P%R with a maximum of 250 V
2 KV AC
Resistance
Resistance
Code
R020
Code
1000
Operating Voltage
Dielectric Strength
Insulation Resistance
Operating Temperature
Value
Value
0.02 Ω%%%
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
10 GΩ
R025 0.025 Ω%%% 1200
-55 ˚C to 155 ˚C
R030
0.03 Ω%%%
1500
R033 0.033 Ω%%% 2000
%% Available for most values. Check Popular Resistance Values table.
R040
R050
0.04 Ω%%%
0.05 Ω%%%
2500
3000
Reliability Characteristics
R075 0.075 Ω%%% 3300
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
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
1 Ω
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
Parameter
Specification
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)
ΔR
0.25 ꢀ
ΔR
ΔR
1.0 ꢀ
0.5 ꢀ
ΔR 0.5 ꢀ
Vibration (20 G 10-2000 Hz .06 ” D.A.)
ꢁoisture Sensitivity Level
ΔR 0.25 ꢀ
1
1.5 Ω
2 Ω
Power Derating Curve
2.5 Ω
3 Ω
120
3.3 Ω
4 Ω
100
75
5 Ω
7.5 Ω
8 Ω
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
50
25
0
0
20
40
60
80
100
120
140
155
Case Temperature (°C)
%%% 5 ꢀ Tolerance
*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.
Customers should verify actual device performance in their specific applications.
PWR263S-20 Series Power Resistor
Recommended Pad Layout
Product Dimensions
10.1
(0.398)
7.8
11.0
(.433)
4.5
(0.177)
1.6
(0.063)
1.3
(.051)
(0.307)
4.02
(0.158)
48 °
10.4
(0.409)
REF.
10.52
(0.414)
15.39
(0.606)
10.5
(0.41
8.8
(0.347)
2.25
(0.089)
0.26
(0.10)
4.23
(0.166)
1.92
(0.076)
1.4
(0.055)
3.1
(0.122)
2.4
(0.095)
5.08
(0.20)
0.25
(0.010)
8.0
(.315)
1
2
BACKPLANE
ELECTRICALLY
ISOLATED
MM
(INCHES)
DIMENSIONS:
Typical Part Marking
0.38
TOLERANCE:
LEAD
UNLESS OTHERWISE NOTED
( 0.015)
RESISTANCE
0.102 MAX AT MOUNTING
COPLANARITY: (0.004) SURFACE
MODEL
NUMBER
CODE
263 20
XXXX X%
YYY
TOLERANCE
DATE CODE
MANUFACTURER'S
TRADEMARK
Soldering Profile
COSTA RICA
COUNTRY
OF ORIGIN
275
<1>
Maximum of 20 seconds between
+245 °C and +260 °C
260 °C peak
245 °C
<1>
225
175
125
75
220 °C
How to Order
190 °C
60 - 90
seconds
PWR 263 S - 20 - 10R0 F E
Ramp Down
6 °C/second
150 °C
Model
PWR = Power
Resistor
Package
60 - 120 seconds
2
263 = D PAK
10 seconds minimum
Pin Style
S = Surface Mount
Ramp Up
Power
3 °C/second maximum
20 = 20 W
Resistance Value
25
<100 ohms ... “R” represents decimal
point (examples: 7R50 =
7.5 Ω; R500 = 0.5 Ω)
0
50
100
150
Time (seconds)
200
250
300
≥100 ohms.... First three digits are
significant, fourth digit
Power dissipation is 2.8 W at an ambient temperature of 25 ˚C when mounted on a
double-sided copper board using FR4 standard, 70 µm 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
E = Tape & Reel
Blank = Tubes
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
PWR263S-20 Series Power Resistor
Pulse Power Rating
ꢀ00
ꢀ0
ꢀ
0.ꢀ
0.0ꢀ
ꢀ0
-ꢁ
-6
-5
-4
-3
-2
-ꢀ
ꢀ0
ꢀ0
ꢀ0
ꢀ0
ꢀ0
ꢀ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.
The energy should not exceed the limits shown in the graph. The overload voltage should not exceed 1.5 times the maximum
operating voltage.
Packaging Specifications
5.3
(0.2097
0.31 0.20
(0.0ꢀ5 0.0017
MM
DIMENSIONS:
(INCHES)
±±.ꢀ3
(±±.±01)
TOLERANCE:
UNLESS OTHERWISE NOTED
24.0
(0.9457
0.5 0.ꢀ1
(0.020 0.00ꢁ7
Asia-Pacific: Tel: +886-2 2562-4117 • Fax: +886-2 2562-4116
Europe: Tel: +41-41 768 5555 • Fax: +41-41 768 5510
The Americas: Tel: +1-951 781-5500 • Fax: +1-951 781-5700
www.bourns.com
REV. 07/12
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
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