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參數(shù)資料
| 型號： | VPR2205R0000 |
| 廠商： | Vishay Intertechnology,Inc. |
| 英文描述： | Precision Foil Power Resistors in TO 220 Configuration |
| 中文描述： | 精密箔功率電阻器在220配置 |
| 文件頁數(shù)： | 1/2頁 |
| 文件大小： | 77K |
| 代理商： | VPR2205R0000 |
VISHAY FOIL RESISTORS
, 63 Lincoln Highway, P.O. Box 4004, Malvern, PA 19355-0988 Phone (610) 644-1300
App. Eng. Phone (610) 251-5289 App. Eng. Fax (610) 640-4487 Sales Phone (610) 251-5842 Sales Fax (610) 640-9081
P R E C I S I O N B U L K M E T A L
F O I L T E C H N O L O G Y
33
Weight = 1.2 gms Max.
* Maximum specifications.
Higher values available.
0.1 Ohms Available soon.
VISHAY MODELS VPR220 AND VPR221
Precision Foil Power Resistors in TO 220 Configuration
Models VPR220 AND VPR221, made from Vishay Bulk Metal
foil,
offer low TCR, high stability, tight tolerance and fast response
time in a small, molded resistor. Model VPR220 is a 2 lead de-
vice. Model VPR221 is a 4 lead Kelvin connected device. The 4
leaded version is highly recommended for precision applications
requiring ohmic values of 100R or less.
FEATURES
Power: 8 watts chassis mounted (per MIL-R-39009)
Load Life Stability:
±
0.05% maximum
R at rated power
and temperature for 2,000 hours
Temperature Coefficient of Resistance: to
±
5 ppm/
°
C
Resistance Range: 0.5 to 10K
Tolerance: To
±
0.01%
Low Thermal EMF: 0.15
μ
V/
°
C maximum (lead effect)
Non-Inductive Construction
Heat sink is Isolated
FIGURE 1 - VPR220 DIMENSIONS
0.400
±
0.010
(10.16
±
0.25)
V9801
(6.22
±
±
0.010
0.141
±
0.005 Dia
(3.58
±
0.13)
0.540
±
0.040
(13.72
±
1.02)
0.030
±
0.002
(0.76
±
0.05)
0.200
±
0.005
(5.08
±
0.13)
0.115
±
0.005
(2.92
±
0.13)
0.050
±
0.005
(1.27
±
0.13)
0.150
±
0.008
(3.81
±
0.2)
0(15.62)
(1.98
±
±
0.005
±
0.015
±
0.002
0.050
±
0.005
(1.27
±
0.13)
0.200
±
0.030
(5.08
±
0.76)
Resistance
Range (
)
50 to 10K
Tightest
TCR*
Resistance Tolerance
±
0.01%
±
5 ppm/
°
C
25 to <50
±
0.02%
±
7 ppm/
°
C
10 to <25
±
0.05%
±
10 ppm/
°
C
5 to <10
±
0.1%
±
13 ppm/
°
C
Weight = 1 gm Max.
Lower values available but not recommended due to high TCR.
* Maximum specifications.
FIGURE 2 - VPR221 DIMENSIONS
Resistance
Range (
)
Tightest
TCR*
Resistance Tolerance
10 to 500
±
0.01%
±
5 ppm/
°
C
1 to <10
±
0.02%
±
5 ppm/
°
C
0.5 to <1
±
0.05%
±
5 ppm/
°
C
E
2
0.050
±
0.005
(1.27
±
0.13)
0.150
±
0.008
(3.81
±
0.2)
0.(15.62)
0.078
±
0.005
(1.98
±
0.13)
0.015
±
0.002
(0.38
±
0.05)
(0.76
±
±
0.002
0.100
±
0.005
(2.54
±
0.13)
0.400
±
0.010
(10.16
±
0.25)
V9801
0.245
±
0.010
(6.22
±
0.25)
0.(3.58
±
0.0.13)
±
1.02)
0.540
±
(2.92
±
±
0.005
±
0.050
±
0.005
(5.08
±
0.76)
±
E
1
I
2
I
1
T
H
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