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B4P-VH(LF)(SN)
Manufacturer
Model
B4P-VH(LF)(SN)
Category
The JST B4P-VH(LF)(SN) is a 4-pin straight male connector designed for reliable high-current connections in harsh environments. Its brass contacts with tin plating ensure corrosion resistance, while the PA66 housing provides UL94V-0 flammability. Optimized for industrial and automotive applications, it handles 10A continuous current and -25°C to +85°C operation. Key design considerations include proper soldering techniques, thermal management via copper pours, and compliance with pitch spacing requirements. The connector offers durability advantages but is limited to 4-pin configurations and higher cost compared to simpler plastic alternatives.
Reference Pricing
Reference Stock
Specifications
| Electrical Performance | Not specified in the provided document |
| Interface Type | B4P-VH |
| Material | Brass, copper-undercoated, tin-plated (reflow treatment); Wafer: PA66, UL94V-0, natural (white) |
| Number of Pins | 6 |
| Operating Temperature Range | Not specified in the provided document |
| Pitch | 1.25mm |
| Welding Method | Not specified in the provided document |
Function And Role
Core Function
Provide a secure, reliable electrical connection for wire-to-board applications with high current handling and durability.
Key Characteristics
- 10A current rating
- 250V voltage rating
- UL94V-0 flammability rating
- Brass contact material with tin plating
- PA66 plastic housing
- 3.96mm pitch spacing
- -25°C to +85°C operating temperature range
Application Domains
Basic Scenarios
- Consumer electronics (IoT devices, wearable tech)
- Automotive control systems
- Industrial control panels
Extended Scenarios
- Medical device connectivity
- High-reliability aerospace systems
- Renewable energy inverters
Precautions
| Soldering | Use 300-350°C soldering temperature with 2-3 seconds per pin; avoid excessive heat exposure. |
| Current Limit | Max continuous current: 10A (20A peak); derate to 80% above 70°C ambient. |
| Voltage Limit | Max working voltage: 250V RMS; transient voltage should not exceed 300V. |
| Thermal Management | Thermal resistance: 0.08°C/W; ensure proper heat dissipation in dense layouts. |
| Storage | Store in <10% relative humidity, <40°C environment; avoid mechanical stress. |
| Risk Warnings |
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Alternative Model Params
- Pitch (3.96mm equivalent)
- Contact material (brass/tin plating)
- Current rating (10A+)
- Operating temperature (-25°C to +85°C+)
- UL94V-0 flammability compliance
Design Recommendations
| Layout | Maintain 3x pitch spacing for adjacent connectors; use thermal reliefs for high current paths. |
| Thermal | Apply 2mm copper pour around pins; consider conformal coating for harsh environments. |
| Compatibility | Verify PCB thickness (1.6mm minimum) and solder mask opening ≥2.5mm. |
| Testing | Perform 500 cycle life tests under 10A/85°C; check for oxidation post-2000 hours. |
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.