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| 型号： | SR10-0.008-1% |
| 厂商： | Caddock Electronics Inc |
| 文件页数： | 1/1页 |
| 文件大小： | 0K |
| 描述： | RES 0.008 OHM 1% 1W 4-WIRE |
| 其它有关文件： | Product Overview |
| 产品目录绘图： | SR10 Series Side 1 SR10 Series Side 2 |
| 标准包装： | 1 |
| 系列： | SR |
| 电阻（欧姆）： | 0.008 |
| 功率（瓦特）： | 1W |
| 复合体： | 金属元素 |
| 特点： | 电流感应，非电感 |
| 温度系数： | 0/ +200ppm/°C |
| 容差： | ±1% |
| 封装/外壳： | 径向 |
| 尺寸/尺寸： | 0.365" L x 0.090" W（9.27mm x 2.29mm） |
| 高度： | 0.385"（9.78mm） |
| 端子数： | 4 |
| 包装： | 标准包装 |
| 产品目录页面： | 2283 (CN2011-ZH PDF) |
| 其它名称： | SR10-0.008-FDKR |
Type SR Precision Current Sense Resistors
Non-inductive Design - Compact Footprint Minimizes Circuit Board Space
Kelvin Terminals (Four Wire) - Resistance Values 0.005 Ω to 1.00 Ω
Type SR Current Sense Resistors utilize Caddock's Micronox? resistance
films to achieve a low cost resistor with Non-inductive Performance. This
compact construction makes this sense resistor ideal for many current
monitoring or control applications.
The special performance features of these Type SR Current Sense
Resistors include:
? Available in Standard Resistances down to 5 milliohm.
? Non-Inductive Design.
? Terminals are constructed for Kelvin connections to the circuit board.
? Compact footprint.
*
Model No.
SR10
Resistance
Min. Max.
0.008 Ω 1.00 Ω
Power Rating at
70°C
1.0 Watt
Voltage Rating
Power Limited
Terminal Material
Solderable
.025 (.64)
.090 MAX.
.025 (.64)
DIMENSIONS IN INCHES AND (MILLIMETERS)
Scale: .100 (2.54) .200 (5.08)
actual size
.100 (2.54)
.100 (2.54)
C S S C
.045 (1.14)
.045 (1.14)
.025 (.64)
.025 (.64)
Section AA
* Power rating:
The power rating
curve based upon the
maximum ambient
SR10 - 0.050 - 1%
SR20 0.005 Ω 1.00 Ω 2.0 Watts Power Limited Solderable
SR10 PACKAGE DIMENSIONS
Front view Side view Back view
.365 ±.020 .090 (2.29)
(9.27 ±.51) MAX.
.370 ±.015 SR10
(9.40 ±.38) 0.025Ω
1%
.125 ±.020
(3.18 ±.51)
.045 (1.14)
.032 ±.007
(.81 ±.18)
SR20 PACKAGE DIMENSIONS
.565 ±.020
(14.35 ±.51)
(2.29 MAX.)
.400 ±.015 SR20
(10.16 ±.38) 0.050?
1%
.125 ±.020
(3.18 ±.51)
.045 (1.14)
.032 ±.007
(.81 ±.18)
CIRCUIT BOARD LAYOUT NOTES
SR10 SR20
A A B B
.100 (2.54)
.200 (5.08)
C S S C
.045 (1.14) .045 (1.14)
.025 (.64) .025 (.64)
Section BB
Measurement note: For purposes of these specifications, resistance measurement shall
be made using Kelvin connections (four wire) with appropriate current and sense con -
nections to the device terminals.
C = Current connection S = Sense connection
Circuit Board Layout: The circuit board traces connecting to the current terminals must
be sized appropriately for the current flowing through the trace. For example; 0.005 Ω
operated at 2.0 Watts would have 20 amps flowing through the circuit board traces into
the current terminals.
SR10 Standard Resistance Values:
0.008 Ω 0.020 Ω 0.040 Ω 0.15 Ω 0.40 Ω
0.010 Ω 0.025 Ω 0.050 Ω 0.20 Ω 0.50 Ω
0.012 Ω 0.030 Ω 0.075 Ω 0.25 Ω 0.75 Ω
0.015 Ω 0.033 Ω 0.10 Ω 0.30 Ω 1.00 Ω
SR20 Standard Resistance Values:
0.005 Ω 0.020 Ω 0.040 Ω 0.15 Ω 0.40 Ω
0.008 Ω 0.025 Ω 0.050 Ω 0.20 Ω 0.50 Ω
0.010 Ω 0.030 Ω 0.075 Ω 0.25 Ω 0.75 Ω
0.015 Ω 0.033 Ω 0.10 Ω 0.30 Ω 1.00 Ω
Custom resistance values can be manufactured for
high quantity applications. Please contact Caddock
Applications Engineering.
Specifications:
Resistance Tolerance: ±1.0%
Temperature Coefficient: TC referenced to
+25°C, ? R taken at -15°C and +105°C.
0.081 to 1.00 ohm -50 to +100 ppm/°C
0.025 to 0.080 ohm 0 to +150 ppm/°C
0.008 to 0.024 ohm 0 to +200 ppm/°C
0.005 to 0.007 ohm 0 to +300 ppm/°C
Load Life: 1000 hours at rated power at +70°C,
? R ±(0.2 percent + 0.00001 ohm) max.
Thermal Shock: Mil-Std-202, Method 107, Cond. A,
? R ±(0.2 percent + 0.00001 ohm) max.
Moisture Resistance: Mil-Std-202, Method 106,
? R ±(0.2 percent + 0.00001 ohm) max.
Encapsulation: Polymer over resistance element.
Power Derating Curve:
100
80
60
should be limited as 40
shown by the derating 20
0
25 70 100 150
TEMPERATURE, °C
temperature. The derating curve is based on still
air with natural convection around the resistor.
Ordering Information:
Model Number: Tolerance
Resistor Value:
Applications Engineering
17271 North Umpqua Hwy.
Roseburg, Oregon 97470-9422
Phone: (541) 496-0700
Fax: (541) 496-0408
? 2003-2007 Caddock Electronics, Inc.
ELECTRONICS, INC.
e-mail: caddock@caddock.com ? web: www.caddock.com
For Caddock Distributors listed by country see caddock.com/contact/dist.html
Sales and Corporate Office
1717 Chicago Avenue
Riverside, California 92507-2364
Phone: (951) 788-1700
Fax: (951) 369-1151
28_IL126.0507
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