0157003.DR
Manufacturer
Model
0157003.DR
Category
The C187520 is a 3A/125V SMD fuse with 50A interrupt capability, designed for low-voltage circuit protection in consumer electronics, automotive, and industrial applications. Its compact 3.7x6.5mm package with built-in holder simplifies PCB layout, while the wide operating temperature range (-55℃ to +125℃) ensures reliability in harsh environments. The fuse requires proper soldering techniques and thermal management to maximize performance, with critical parameters matching including interrupt rating, voltage, current, and package dimensions.
Reference Pricing
Reference Stock
Specifications
| color | Specific color not provided |
| dimensions | Specific dimensions not provided |
| fusing_characteristics | time-delay fusing |
| interrupt_time | 0.02 seconds to 0.10 seconds |
| operating_temperature_range | -55°C to 125°C |
| package_type | Surface Mount |
| rated_current | 5A |
| rated_voltage | 125V |
Function And Role
Core Function
Overcurrent protection in low-voltage circuits
Key Characteristics
- 50A interrupt rating
- 3A current rating
- 125V AC/DC voltage rating
- SMD package (3.7x6.5mm) with built-in holder
- ROHS compliant
Application Domains
Basic Scenarios
- Consumer electronics power supply units
- Automotive battery management systems
- Industrial control circuits
Extended Scenarios
- Renewable energy inverters
- Medical device power modules
- Telecom infrastructure backplanes
Precautions
| Soldering | Use high-temperature solder paste (≥180℃) and avoid thermal shock |
| Current Limit | Max continuous current: 3A |
| Voltage Limit | Max system voltage: 125V AC/DC |
| Thermal Management | Thermal resistance: 50°C/W (mounting surface required) |
| Storage | Store in <10% relative humidity, -20℃ to +40℃ environment |
| Risk Warnings |
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Alternative Model Params
- Interrupt rating (40-60A)
- Voltage rating (100-150V)
- Current rating (2.5-3.5A)
- Package dimensions (3.0-7.0mm)
Design Recommendations
| Layout | Maintain 3mm trace width for power paths |
| Thermal | Use copper pour areas ≥10mm² for heat dissipation |
| Compatibility | Verify with 0.5mm pitch SMD reflow profiles |
| Testing | Perform 5000-cycle life test at 125V/3A |
Market Positioning
| Strengths |
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| Weaknesses |
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Datasheet
Assist inquiry
Distributors
Shenzhen Dongxing Microelectronics Technology Co., Ltd.
Shenzhen Yigecheng Technology Co., Ltd.
Shenzhen Kewei Ming Electronics Co., Ltd.
Shenzhen Kuanxiang Electronic Co., Ltd.
Shenzhen Nangeng Electronic Co., Ltd.
Shenzhen Hongliqingdian Technology Co., Ltd.
Shenzhen Alibaba Core City Electronic Technology Co., Ltd.
Shenzhen Anzhi Microelectronics Co., Ltd.
Shenzhen Anshangda Technology Co., Ltd.
Zhan Yao Co., Ltd.
Shenzhen Anxinmei Electronics Co., Ltd.
Shenzhen Futian District Binhaoshengye Electronic Commerce
Lan Jing Century (Shenzhen) Technology Co., Ltd.
Beijing Misri Electronic Co., Ltd.
Guangdong Bszhunyu Semiconductor Co., Ltd.
Shenzhen Jieli Electronic Co., Ltd.
Shenzhen Changhe Century Technology Co., Ltd.
Shenzhen Fucha Electronic Co., Ltd.
Shenzhen Chenke Science and Technology Development Co., Ltd.
Shenzhen Chuangzhixin Electronics Co., Ltd.
Shenzhen DeliXin Technology Co., Ltd.
Shenzhen Tesla and Newton Technology Co., Ltd.
Yinu Semiconductor (Shenzhen) Co., Ltd.
Shenzhen Hongye Shengrong Technology Co., Ltd.
Shenzhen Fushihua Electronic Technology Co., Ltd.
Shenzhen Silicon Dry Micro Technology Co., Ltd.
Shenzhen Guangqing Trading Co., Ltd.
Shenzhen Silicon Yuan Semiconductor Co., Ltd.
Shenzhen Baiaisheng Electronic Co., Ltd.
Shenzhen Jinyuanhai Microelectronics Co., Ltd.