Low-Ohmic Shunt Resistor for UPS & Power Control Applications
Description
Accurate Current Sensing for High-Power Industrial Systems
This low-ohmic shunt resistor is engineered for precision current sensing in UPS systems, power distribution units, and industrial power control circuits. It features stable low-resistance performance, compact form factor, and high thermal durability, making it ideal for applications requiring accurate overload detection and current monitoring. Available in custom resistance values, terminal styles, and mounting configurations.
Key Features
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Low-ohmic resistance for accurate high-current detection
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Stable performance under continuous thermal load
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Compact metal strip structure for easy integration
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Suitable for screw-mount or PCB soldering
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Optional 3-terminal Kelvin design for precision sensing
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Compliant with RoHS and lead-free standards
Technical parameters
Parameter | Specification |
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Resistance Range | 50μΩ – 1mΩ |
Current Rating | 5A – 100A |
Tolerance | ±1%, ±0.5% available |
Terminal Type | 2-terminal / 3-terminal (Kelvin) |
Material | Manganin / Cu-Ni Alloy |
Operating Temp Range | -55°C to +170°C |
RoHS Compliant | Yes |
Product Nominal: (Similar products: manganese copper wire, tinned copper, copper nickel, etc.) | ||||||||||||||||||
Type | K | 10 | 10 | 20 | U | |||||||||||||
Material | wire | Pin pitch | resistance | shape | ||||||||||||||
Current shunt | K:Constantan | 10:1.0mm | 10:10mm | 20:20mR | U:U type M:M type M2:M2 type LX:Spiral UZ:Folding feet HX:HX |
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(Orders are available) 1:Wire diameter of”A” 2:Rated current 3:Pin pitch Span of“W” 4:Resistance 5:Other special requirements(board height,foot length,etc.) |
A : wire data meter | ||||||||||||||||
H : height | ||||||||||||||||||
H1: pin length | ||||||||||||||||||
E : Presser foot | ||||||||||||||||||
W : Pin pitch | ||||||||||||||||||
2、Product shape: | |||||||||||
UType | Uz type | Hx Type | |||||||||
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MType | M 2 Type | LxType | |||||||||
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Test Conditions | Maximum resistance change percentage △R% | ||||||||||
1000 hours at 25℃ Loading life 1000 hrs at 25℃ | 1% | ||||||||||
100 hrs in moisture | 1% | ||||||||||
Cycle 1000 times at -40℃-+150℃ | 1% |
Test Conditions | Maximum resistance change percentage △R% | |||||||||||||||||
1000 hours at 25℃ Loading life 1000 hrs at 25℃ | 1% | |||||||||||||||||
100 hrs in moisture | 1% | |||||||||||||||||
Cycle 1000 times at -40℃-+150℃ | 1% | |||||||||||||||||
Electrical properties:Power Curve & S u r f a c e T e m p e r a t u r e |
Typical Applications
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UPS systems and backup power units
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Industrial power controllers and inverters
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Smart circuit protection in automation systems
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High-current sensing for battery-powered equipment
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Data center and telecom power modules
Explore more current sensing resistors-Precision Metal Strip Shunt Resistor for DC-DC Power Modules