VPR2205R0000 [VISHAY]
Precision Foil Power Resistors in TO 220 Configuration; 精密箔功率电阻在220配置
| 型号： | VPR2205R0000 |
| 厂家： | 
VISHAY |
| 描述： | Precision Foil Power Resistors in TO 220 Configuration |
| 文件： | 总2页 (文件大小：68K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
®
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
VISHAY MODELS VPR220 AND VPR221
Pre c is ion Foil Pow e r Re s is tors in TO 220 Configura tion
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 Ω
Tolerance: To ±0.01%
Low Thermal EMF: 0.15 µV/°C maximum (lead effect)
Non-Inductive Construction
Heat sink is Isolated
FIGURE 1 - VP R2 2 0 DIMENS IONS
FIGURE 2 - VP R2 2 1 DIMENS IONS
0.400 ±0.010
0.400 ±0.010
0.150 ±0.008
(10.16 ±0.25)
0.150 ±0.008
(10.16 ±0.25)
(3.81 ±0.2)
(3.81 ±0.2)
0.050 ±0.005
(1.27 ±0.13)
0.050 ±0.005
(1.27 ±0.13)
0.115 ±0.005
0.245 ±0.010
(6.22 ±0.25)
0.115 ±0.005
(2.92 ±0.13)
0.245 ±0.010
(6.22 ±0.25)
(2.92 ±0.13)
0.615 Max
(15.62)
0.615 Max
(15.62)
VISHAY
VPR221
1K0 1%
9801
VISHAY
VPR220
0.141 ±0.005 Dia
(3.58 ±0.13)
0.141 ±0.005 Dia
(3.58 ±0.13)
1K0 1%
9801
0.200 ±0.030
(5.08 ±0.76)
0.200 ±0.030
0.050 ±0.005
(5.08 ±0.76)
(1.27 ±0.13)
0.050 ±0.005
(1.27 ±0.13)
0.015 ±0.002
(0.38 ±0.05)
0.015 ±0.002
(0.38 ±0.05)
0.540 ±0.040
(13.72 ±1.02)
0.540 ±0.040
(13.72 ±1.02)
0.030 ±0.002
(0.76 ±0.05)
0.030 ±0.002
(0.76 ±0.05)
I1 E E I2
1
2
0.078 ±0.005
(1.98 ±0.13)
0.078 ±0.005
(1.98 ±0.13)
0.200 ±0.005
(5.08 ±0.13)
0.100 ±0.005
(2.54 ±0.13)
Resistance
Range (Ω)
Tightest
Resistance Tolerance
TCR*
Resistance
Range (Ω)
Tightest
Resistance Tolerance
TCR*
50 to 10K
25 to <50
10 to <25
±0.01%
±0.02%
±0.05%
±0.1%
±5 ppm/°C
±7 ppm/°C
±10 ppm/°C
±13 ppm/°C
10 to 500
1 to <10
0.5 to <1
±0.01%
±5 ppm/°C
±5 ppm/°C
±5 ppm/°C
±0.02%
±0.05%
5 to <10
Weight = 1 gm Max.
* Maximum specifications.
Weight = 1.2 gms Max.
* Maximum specifications.
Higher values available.
Lower values available but not recommended due to high TCR.
0.1 Ohms Available soon.
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
33
®
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
VISHAY MODELS VPR220 AND VPR221
Pre c is ion Foil Pow e r Re s is tors in TO 220 Configura tion
NOTES:
TABLE 1 - S P ECIFICATIONS
1. Maximum is 1.0% A.Q.L. standard for all specifications except
TCR. Typical is a designers reference which represents that
85% of the units supplied, over a long period of time, will be at
least the figure shown or better.
Load Life Stability at 2,000 hrs
Shelf Life Stability
±0.05% max ∆R under full rated power @ +25°C
±0.0025% ∆R/yr
2. Whichever is lower.
8 watts or 3 amps2 on heat sink3
1.5 watts or 3 amps2 in free air
Further derating not necesary.
Power Rating @ +25°C
3. Heat sink chassis dimensions and requirements per
MIL-R-39009/1B:
Dimension
Inches
6.00
4.00
2.00
0.04
mm
152.4
101.6
50.8
1.0
L
W
H
T
Current Noise
<0.010 µV (rms)/volt of applied voltage (–40 dB)
High Frequency Operation
Rise/Decay Time
0.2 ns @ 1 Ω
Inductance4 (L)
0.1 µH maximum: 0.03 µH typical1
1.0 pF maximum: 0.5 pF typical1
4. Inductance (L) due mainly to the leads.
Capacitance (C)
5. The resolution limit of existing test equipment (within the
measurement capability of the equipment, “essentially zero”).
Voltage Coefficient5
<0.1 ppm/V
6. µV/°C relates to EMF due to lead temperature difference.
Operating Temperature Range
Maximum Working Voltage
Thermal EMF6
–55°C to +150°C
300 V. Not to exceed power rating.
0.15 µV/°C maximum (lead effect)
FIGURE 3 - VP R2 2 1 S DIMENS IONS
FIGURE 4 - P OWER DERATING CURVE
0.050 ±0.005
(1.27 ±0.13)
+100
0.115 ±0.005
(2.92 ±0.13)
0.030 ±0.002
(0.76 ±0.05)
0.141 ±0.005 Dia
(3.58 ±0.13)
+75
+50
+25
0
0.400 ±0.010
(10.16 ±0.25)
Solder Coated
Copper
0.615 Max
(15.62)
0.540 ±0.040
(13.72 ±1.02)
0.200 (5.08) Ref
+25
+50
+75
+100
+125
+150
Ambient Temperature (°C)
0.365 (9.271) Ref
0.015 ±0.002
(0.381 ±0.05)
HOW TO ORDER VP R2 2 0 AND VP R2 2 1 P ARTS :
0.150 ±0.008
(3.81 ±0.2)
0.078 ±0.005
(1.98 ±0.13)
0.050 ±0.005
(1.27 ±0.13)
Specify Vishay VPR220 or VPR221 resistors as follows:
Before Forming
Example:
VPR221
5R0000
1.0%
Model No.
Resistance Value
Tolerance
0.695 ±0.010
(17.65 ±0.25)
Specify Vishay VPR220S or VPR221S for surface mount
resistors as follows:
0.110 (2.794) Ref
0.090 (2.286) Ref
Example:
VPR221S
5R0000
1.0%
0.090 ±0.010
(2.286 ±0.25)
Model No.
Resistance Value
Tolerance
Heat Sink
Flush with Heat Sink
Within ±0.002 (±0.051)
After Forming
Resistance value, in ohms, is expressed by a series of 6 characters, 5 of which
represent significant digits while the 6th is a dual purpose letter that designates
both the multiplier and the location of the comma or decimal.
VPR220S dimensions similar.
Resistance
Range
0.5 Ω to < 1K Ω
1K Ω to 10K Ω
Letter
Designator
Multiplier
Factor
x1
Example
100R01 = 100.01 Ω
5K2310 = 5,231 Ω
R
K
x103
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
34
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