行业组件数据 · 2026

背板连接器

繁體:背板連接器

背板连接器是模块化工业输入系统中的关键互连组件,用于在主背板PCB与多个子板PCB之间建立可靠的电气连接。

技术定义与适配语境
典型 背板连接器 会按材料、尺寸公差、适配关系和失效风险在 计算机、电子和光学产品制造 中评估。

背板连接器是模块化工业输入系统中的关键互连组件,设计用于在主背板PCB与多个子板PCB之间建立可靠的电气连接。它支持在输入模块架构中同时传输数字信号、模拟输入和电力分配。这些连接器具有精确的引脚对齐、坚固的接触系统和屏蔽设计,以在存在电磁干扰、振动和温度变化的工业环境中保持信号完整性。 背板连接器通过提供PCB之间的无源互连矩阵来工作。当子板(输入卡)插入模块机箱时,其边缘连接器与背板连接器上的相应触点配合。这为数据信号(使用差分对进行高速通信)和电源轨创建了连续的电气通路。连接器通过弹簧加载引脚或顺应性压接技术维持接触压力,确保在工业环境中的热膨胀和机械应力下仍能可靠连接。

组件规格

定义
背板连接器是模块化工业输入系统中的关键互连组件,设计用于在主背板PCB与多个子板PCB之间建立可靠的电气连接。它支持在输入模块架构中同时传输数字信号、模拟输入和电力分配。这些连接器具有精确的引脚对齐、坚固的接触系统和屏蔽设计,以在存在电磁干扰、振动和温度变化的工业环境中保持信号完整性。

背板连接器通过提供PCB之间的无源互连矩阵来工作。当子板(输入卡)插入模块机箱时,其边缘连接器与背板连接器上的相应触点配合。这为数据信号(使用差分对进行高速通信)和电源轨创建了连续的电气通路。连接器通过弹簧加载引脚或顺应性压接技术维持接触压力,确保在工业环境中的热膨胀和机械应力下仍能可靠连接。
工作原理
The backplane connector operates by providing a passive interconnection matrix between PCBs. When daughterboards (input cards) are inserted into the module chassis, their edge connectors mate with corresponding contacts on the backplane connector. This creates continuous electrical pathways for data signals (using differential pairs for high-speed communication) and power rails. The connector maintains contact pressure through spring-loaded pins or compliant press-fit technology, ensuring reliable connections despite thermal expansion and mechanical stress in industrial settings.
材料
外壳:高温热塑性塑料(PPS、LCP或PEEK)额定工作温度125-150°C触点:磷青铜或铍铜镀镍底层上选择性镀金(0.5-1.27μm)绝缘体:玻璃填充聚合物以保证尺寸稳定性屏蔽:锌合金或不锈钢外壳镀锡。
Pitch
1.27mm or 2.0mm
IP Rating
IP20 (board-level)
Pin Count
40-200 positions
Mating Cycles
≥500 cycles
Current Rating
1-3A per contact
Voltage Rating
250V AC/DC
Contact Resistance
<20mΩ initial
Flammability Rating
UL94 V-0
Insulation Resistance
>1000MΩ at 500VDC
Operating Temperature
-40°C to +85°C (extended to +125°C available)
Dielectric Withstanding Voltage
1000V AC for 1 minute
标准
IEC 60603-2IEC 61076-4MIL-DTL-83513

行业分类与别名

背板连接器 的常用贸易名称、技术标识和检索关键词。

上级产品

该组件会出现在以下整机或工业产品中。

FMEA · 风险与缓解

诱因 → 失效模式 → 工程缓解

Contamination from industrial particulates or moisture ingress->Increased contact resistance leading to signal loss or power interruption->Use connectors with protective shrouds, implement regular cleaning protocols, apply conformal coating to backplane assembly
Repeated thermal cycling causing contact spring relaxation->Loss of contact pressure resulting in intermittent connections->Select connectors with high-temperature rated materials, design for minimal thermal expansion mismatch, use connectors with redundant contact points
Mechanical vibration in industrial environments->Contact fretting wear leading to increased resistance and eventual open circuit->Implement vibration-dampening mounting, use connectors with anti-vibration locking mechanisms, specify connectors validated for industrial vibration profiles

工业生态与工程逻辑

0
Signal degradation due to contact corrosion
1
Mechanical failure from vibration-induced fretting
2
Intermittent connections from thermal cycling stress
3
Pin damage during improper card insertion

合规与检测

tolerance
Contact position tolerance: ±0.1mm; Housing dimensional tolerance: ±0.15mm per IEC 60603-2
test method
Electrical: Contact resistance per MIL-STD-1344; Mechanical: Insertion/extraction force per IEC 60512; Environmental: Thermal cycling per IEC 60068-2-14, vibration per IEC 60068-2-6

制造该组件的工厂

来自 CNFX 组件能力表的相关制造商资料。

制造商列表用于前期研究和供应商能力理解,不代表认证、排名或交易担保。

采购评估维度

不是客户评论,也不是实时热度。以下维度用于前期 RFQ 准备和供应商评估。

技术文档
4/5
制造能力
4/5
可检验性
5/5
供应商透明度
3/5

这些分值是采购评估维度示例,不代表真实客户评分、具体国家买家反馈或实时询盘。

相关组件

常见问题

What is the difference between a backplane connector and a regular board-to-board connector?

Backplane connectors are designed for connecting multiple daughterboards to a single backplane simultaneously, featuring higher pin counts, better alignment guides, and enhanced durability for frequent card insertion/removal. Regular board-to-board connectors typically connect just two PCBs and may have lower cycle life ratings.

How do I select the right backplane connector for my industrial input module?

Consider these factors: required signal count and types (digital/analog/power), operating environment (temperature, vibration, contaminants), mating cycle requirements, compliance with industry standards (IEC, UL), and compatibility with existing module architecture. Consult manufacturer datasheets for environmental ratings and validation test results.

What maintenance do backplane connectors require in industrial applications?

Regular inspection for contamination (clean with approved solvents if needed), verification of contact integrity through periodic electrical testing, and ensuring proper seating of daughterboards. Avoid excessive insertion/removal cycles beyond rated specifications. In harsh environments, consider protective covers when slots are unused.

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CNFX Industrial Component Index · 计算机、电子和光学产品制造

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初步技术归类
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