参数资料
型号: PWR263S-20-20R0FE
厂商: Bourns Inc.
文件页数: 1/3页
文件大小: 0K
描述: RES 20 OHM 1% 20W TO-263 SMD
产品培训模块: Current Sense Resistor Overview
标准包装: 500
系列: PWR263S-20
电阻(欧姆): 20
功率(瓦特): 20W
复合体: 厚膜
特点: 电流感应,脉冲耐受
温度系数: ±100ppm/°C
容差: ±1%
封装/外壳: TO-263-3,D²Pak(2 引线+接片),TO-263AB
尺寸/尺寸: 0.398" L x 0.409" W(10.10mm x 10.40mm)
高度: 0.192"(4.88mm)
端子数: 2
包装: 带卷 (TR)
Features
■ D 2 PAK housing
■ Low inductance
■ Resistor electrically isolated from the
backplate
■ High power rating
■ Compatible with lead free solder re?ow
temperatures
■ RoHS compliant*
Applications
■ Power supplies
■ Motor drives
■ Test and measurement
■ Recti?ers
PWR263S-20 Series Power Resistor
General Information
Bourns ? PWR263S-20 Series is a TO263 DPAK style power resistor manufactured using thick ?lm on alumina ceramic technology
and used in current measurement, snubber, bleeder and discharge circuits.
Electrical & Thermal Characteristics
Material Characteristics
Parameter
Resistance
(See Popular Resistance Values table)
Power Rating @ 25 ?C Case Temperature
Value(s)
0.02 Ω to 130 K Ω
20 W
Resistor ...................................Thick ?lm
Substrate ..................... Alumina (AL203)
Housing ........................................Epoxy
Pins....................Tinned Copper (Sn/Cu)
Tolerance
±1 %**,
±5 %
Flammability ........ Conforms to UL-94V0
TCR
0.02 Ω <R<130.0K Ω
Thermal Resistance - Rthj
±100 PPM/?C
6.5 ?C/W
Popular Resistance Values
Inductance
Operating Voltage
Dielectric Strength
Insulation Resistance
Operating Temperature
0.1 μH maximum
√ P*R with a maximum of 250 V
2 KV AC
10 G Ω
-55 ?C to 155 ?C
Code
R020
R025
R030
Resistance
Value
0.02 Ω***
0.025 Ω***
0.03 Ω***
Code
1000
1200
1500
Resistance
Value
100 Ω
120 Ω
150 Ω
** Available for most values. Check Popular Resistance Values table.
Reliability Characteristics
R033
R040
R050
R075
0.033 Ω***
0.04 Ω***
0.05 Ω***
0.075 Ω***
2000
2500
3000
3300
200 Ω
250 Ω
300 Ω
330 Ω
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
Power Derating Curve
120
100
75
50
25
Speci?cation
Δ R ±0.25 %
Δ R ±1.0 %
Δ R ±0.5 %
Δ R ±0.5 %
Δ R ±0.25 %
1
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
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
1.5 Ω
2.5 Ω
3.3 Ω
7.5 Ω
10 Ω
12 Ω
15 Ω
20 Ω
25 Ω
27 Ω
30 Ω
33 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
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
0
0
20
40
60
80
100
120
140
155
40R0
47R0
40 Ω
47 Ω
1003
1153
100 KΩ
115 KΩ
Case Temperature ( ° C)
50R0
56R0
75R0
50 Ω
56 Ω
75 Ω
1203
1253
1303
120 KΩ
125 KΩ
130 KΩ
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Speci?cations are subject to change without notice.
Customers should verify actual device performance in their speci?c applications.
*** 5 % Tolerance
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