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SM03B-GHS-TB(LF)(SN)
Manufacturer
Model
SM03B-GHS-TB(LF)(SN)
Category
The JST SM03B-GHS-TB(LF)(SN) is a right-angle surface mount connector designed for 3-pin applications requiring reliable 1A current handling and operating temperatures from -25°C to +85°C. Its tin-plated phosphor bronze contacts and UL94V-0 flammability rating make it suitable for consumer electronics, industrial controls, and automotive systems. Key design considerations include proper soldering techniques, thermal management, and compliance with 1.25mm pitch layout requirements.
Reference Pricing
Reference Stock
Specifications
| Electrical Performance | Not specified |
| Interface Type | SM03B-GHS-TB |
| Material | PBT,UL94V-0,purple |
| Number of Pins | 3 |
| Operating Temperature Range | Not specified |
| Pitch | 2.50mm |
| Welding Method | Not specified |
Function And Role
Core Function
Surface mount wire-to-board connector for 3-pin connections
Key Characteristics
- 1.25mm pitch phosphor bronze contacts
- Tin-plated surface mount design
- Operating temperature range: -25°C to +85°C
- UL94V-0 flammability rating
- 1A current rating
- 50V voltage rating
- Right-angle surface mount configuration
Application Domains
Basic Scenarios
- Consumer electronics assembly
- Industrial control systems
- Medical device prototyping
Extended Scenarios
- Automotive interior lighting
- Automated test equipment
- IoT sensor node installations
Precautions
| Soldering | Use 300-350°C soldering iron with 60/40 Rosin flux; avoid prolonged heat exposure |
| Current Limit | Max continuous current: 1A (peaks to 2A for 10 seconds) |
| Voltage Limit | Max voltage: 50V RMS between pins |
| Thermal Management | Thermal impedance: 40°C/W; require 10mm copper pad area |
| Storage | Store in anti-static bags at 10-30°C with 30-50% RH |
| Risk Warnings |
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Alternative Model Params
- Pitch tolerance (±0.05mm)
- Current rating (0.5-1.5A)
- Contact resistance (<15mΩ)
- Insulation resistance (>100MΩ)
- Operating temperature range
Design Recommendations
| Layout | Place connectors within 50mm of power entry points |
| Thermal | Use thermal vias under contact pads |
| Compatibility | Ensure PCB pad dimensions match 1.25mm pitch templates |
| Testing | Perform 500 cycle insertion force testing |
Market Positioning
| Strengths |
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| Weaknesses |
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Datasheet
Assist inquiry
Distributors
Chuangxinwei Electronic (Shenzhen) Co., Ltd.
Shenzhen JiYuanTong Electronic Co., Ltd.
Shenzhen Hongkai Xuan Technology Co., Ltd.
Shenzhen Chengkai Electronic Co., Ltd.
Shenzhen Aotongxin Shi Ji Diànzǐ Yǒuxiàn Gōngsī
Shenzhen Bingcheng Technology Co., Ltd.
Shenzhen 8:30 Electronics Co., Ltd.
Shenzhen Shangheng Technology Co., Ltd.
Chengze Electronics (Beijing) Co., Ltd.
Shenzhen BoXinFa Technology Co., Ltd.
Braiic Technology (Shenzhen) Co., Ltd.
Shenzhen Chengyan Intelligence Technology Co., Ltd.
Shenzhen Songye Da Technology Co., Ltd.
Shenzhen Chaolongye Electronic Technology Co., Ltd.
Shenzhen Futian District Xinboyuan Electronic Trading Department
Shenzhen Futian District Dongyu Electronic Merchants
Shenzhen Ezze Electronics Co., Ltd.
Shenzhen Gaotai Trading Co., Ltd.
Shenzhen Lika Technology Co., Ltd.
Guangzhou Bestest Electronics Co., Ltd.
Shenzhen SiLian Mei Electronic Co., Ltd.
Shenzhen Haoruida Electronic Operation Department (Individual)
Shenzhen Hengdi Technology Co., Ltd.
Shenzhen Enrant Electronics Co., Ltd.
Shenzhen Ruikin Technology Co., Ltd.
Shenzhen Honglixin Electronic Co., Ltd.
Shenzhen Hamannni Electronic Co., Ltd.
Shenzhen He Rui Da Electronic Trading Co., Ltd. (Individual Proprietorship)
Shenzhen Huangshengda Technology Co., Ltd.
Shenzhen Meidafeng Technology Co., Ltd.