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CJT A1251H-2P A1251H
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- CJT A1251H-2P
- Type
- CJT
- Minimum package
- 2000
Technical parameters
- Electronic Component
- CJT
- Electronic Component
- A1251H-2P
- Electronic Component
- 1
- Package
- P=1.25mm
- Electronic Component
- 1
- Electronic Component
- (Wire-to-Board / Wire-to-Wire)
- Electronic Component
- 0.01g
- Electronic Component
- 1.25mm
- Electronic Component
- Electronic Component
- Electronic Component
- 1
- Electronic Component
- BM0265448501
- Electronic Component
- PA66
- Operating Temperature
- 40℃~+105℃
- Socket
- 1x2P
- Electronic Component
- Electronic Component
- PIN
- 2
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
CJT长江连接器A1251H-2P产品概述
一、核心参数与结构本质
A1251H-2P是长江连接器（CJT）针对小型化电子设备推出的1.25mm间距单排连接器，核心定位为小电流信号/低压电源传输接口，关键参数与结构特征清晰：
- 布局与间距：1排2针（1x2P）设计，1.25mm窄间距是核心优势——相比常见2.0mm间距，可节省约37.5%的PCB占用面积，适配空间极度受限的场景；
- 塑料主体：采用PA66工程塑料，兼具耐冲击、耐高低温特性，阻燃等级达UL94V-0（全球通用电子设备安全标准），避免火灾隐患；
- 结构细节：无锁扣设计（便于快速插拔调试）、无定位翅（简化焊接定位，适合自动化产线批量生产）；
- 环境适应性：工作温度范围**-40℃+105℃**，覆盖户外低温（如北方冬季户外传感器）、车载高温（如行车记录仪内部）等场景，储存温度支持-55℃+85℃（PA66材料常规范围）。
二、品牌与工艺优势
长江连接器（CJT）作为国内精密连接器领域的成熟厂商，A1251H系列延续了其可靠性工艺：
- 端子工艺：采用高导电黄铜合金，表面可选镀锡（常规应用） 或镀金（高可靠性场景），接触电阻典型值≤20mΩ，确保信号传输无衰减；
- 注塑精度：PA66主体通过精密注塑成型，针脚间距公差控制在±0.05mm内，与配套插头配合精准，避免虚接；
- 可靠性测试：通过100次以上插拔寿命测试、10-2000Hz振动测试（加速度1G），满足消费级与工业级设备的长期使用需求。
三、典型应用场景
A1251H-2P因小型化、高适应性，广泛覆盖以下领域：
- 智能穿戴设备：智能手环、蓝牙耳机的内部电源（3.7V锂电池）与信号连接，适配设备内部狭小空间；
- 智能家居传感器：温湿度传感器、人体感应模块的接口，无锁扣设计便于设备批量调试；
- 车载周边设备：车载充电器、行车记录仪的内部连线，-40℃~+105℃温区完美匹配车载环境；
- 微型工业设备：小型PLC、物联网传感器节点的辅助连接，满足低功耗、高密度布局需求。
四、选型与使用注意事项
为确保产品性能稳定，需注意以下要点：
- 选型匹配：需搭配A1251H系列配套插头（如带线插头）使用，确认针数、间距一致，避免兼容问题；
- 焊接规范：焊接温度控制在260℃以下（持续时间≤3秒），防止PA66塑料熔化变形；
- 储存与维护：储存环境相对湿度≤60%，避免端子氧化；插拔时避免过度弯曲针脚，防止接触不良。
五、总结
A1251H-2P作为CJT长江连接器的小型化代表产品，以1.25mm窄间距、PA66阻燃塑料、宽温适应性为核心优势，兼顾高密度布局与可靠性，是智能穿戴、智能家居、车载周边等小型电子设备的高性价比接口选择，尤其适合对空间、成本敏感的批量应用场景。
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