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Specifications
Resistance:
10mΩ
Power(Watts):
2W
Temperature Coefficient:
0ppm/℃~+200ppm/℃
Type:
Current Sense Resistor
Tolerance:
±1%
Mfr. Part #:
SR20-0.010-1%
Package:
SR20
Key Attributes
Model Number:
SR20-0.010-1%
Product Description
Product Overview
The Caddock Type SR Precision Current Sense Resistors are designed for efficient current monitoring and control applications. Utilizing Caddock's Micronox resistance films, these resistors offer non-inductive performance in a compact footprint that minimizes circuit board space. They feature Kelvin terminals for four-wire resistance measurements, ensuring accuracy. Available in a wide range of standard resistances from 0.005 to 1.00, custom values can also be manufactured for high-quantity applications. These resistors are ideal for applications requiring precise current sensing and control.
Product Attributes
- Brand: Caddock Electronics, Inc.
- Product Type: Precision Current Sense Resistors
- Resistance Film: Micronox
- Design: Non-inductive
- Terminals: Kelvin (Four Wire)
- Encapsulation: Polymer over resistance element
- Origin: USA (Implied by address)
Technical Specifications
| Model | Resistance Value () | Tolerance (%) | Power Rating at 70C (Watts) | Dimensions (Inches / Millimeters) |
|---|---|---|---|---|
| SR10 | 0.005 | 1.0% | 2.0 | .365 .020 (9.27 .51) L x .370 .015 (9.40 .38) W x .125 .020 (3.18 .51) H |
| 1.00 | 1.0% | |||
| SR20 | 0.005 | 1.0% | 1.0 | .565 .020 (14.35 .51) L x .400 .015 (10.16 .38) W x .125 .020 (3.18 .51) H |
| 1.00 | 1.0% | |||
| Standard Resistance Values (SR10): 0.005, 0.008, 0.010, 0.012, 0.015, 0.020, 0.025, 0.030, 0.033, 0.040, 0.050, 0.075, 0.10, 0.15, 0.20, 0.25, 0.30, 0.40, 0.50, 0.75, 1.00 | ||||
| Standard Resistance Values (SR20): 0.008, 0.010, 0.012, 0.015, 0.020, 0.025, 0.030, 0.033, 0.040, 0.050, 0.075, 0.10, 0.15, 0.20, 0.25, 0.30, 0.40, 0.50, 0.75, 1.00 | ||||
| Resistance Tolerance: 1.0% | ||||
Temperature Coefficient (TC referenced to +25C, R taken at -15C and +105C):
| ||||
| Load Life: 1000 hours at rated power at +70C, 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. | ||||
| Measurement Note: Resistance measurement shall be made using Kelvin connections (four wire). | ||||
| Circuit Board Layout Note: Traces connecting to current terminals must be sized appropriately for the current flowing through them. | ||||
2410311238_Caddock-SR20-0-010-1-_C2157777.pdf
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