行业组件数据 · 2026

输出闩锁

Output latch is a mechanical holding device in comparator arrays that maintains signal states until reset.

技术定义与适配语境
典型 输出闩锁 会按材料、尺寸公差、适配关系和失效风险在 机械和设备制造 中评估。

An output latch is a critical electromechanical component within comparator arrays that captures and retains binary output signals (high/low states) from comparators. It functions as a memory element that holds the comparator's decision output until explicitly cleared by a reset signal, preventing signal fluctuations from affecting downstream processes. Typically implemented with flip-flop circuits or mechanical locking mechanisms, it ensures stable data transmission in industrial control systems.

组件规格

定义
An output latch is a critical electromechanical component within comparator arrays that captures and retains binary output signals (high/low states) from comparators. It functions as a memory element that holds the comparator's decision output until explicitly cleared by a reset signal, preventing signal fluctuations from affecting downstream processes. Typically implemented with flip-flop circuits or mechanical locking mechanisms, it ensures stable data transmission in industrial control systems.
工作原理
The output latch operates on bistable multivibrator principles. When the comparator output triggers the latch's set input, internal gates or mechanical elements change state to capture the signal. This state remains locked regardless of subsequent comparator changes until a reset pulse clears it. In electronic versions, cross-coupled NAND/NOR gates maintain the state; mechanical versions use spring-loaded catches or magnetic holds.
材料
Housing: Aluminum alloy (e.g.6061-T6) or engineering plastic (POM)Contacts: Silver-plated copper or beryllium copperSpring: Stainless steel (302/316)Insulation: Glass-filled nylon or ceramic.
Reset Time
<5ms
Hold Current
10mA max
Response Time
<2ms
Mechanical Life
10^7 cycles
Operating Voltage
5-24V DC
Contact Resistance
<50mΩ
Operating Temperature
-20°C to 85°C
标准
ISO 13849-1DIN EN 60947-5-1

行业分类与别名

输出闩锁 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

Contact oxidation or contamination->Increased contact resistance leading to signal loss->Use sealed housings with inert gas filling; specify gold-plated contacts for critical applications
Spring fatigue in mechanical latches->Failure to maintain locked position->Implement redundant spring designs; schedule preventive replacement at 80% of rated cycles

工业生态与工程逻辑

0
Signal drift due to temperature variations
1
Contact welding from surge currents
2
Reset failure causing system lockup

合规与检测

tolerance
Signal retention time: ±0.5ms; Operating voltage: ±10%
test method
IEC 61000-4 series for EMC; MIL-STD-202 for vibration; Continuous cycling test per ISO 13849

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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 primary function of an output latch in a comparator array?

To capture and maintain the comparator's output state (high/low) until a reset command is received, preventing transient signal changes from affecting system operations.

How does an electronic output latch differ from a mechanical one?

Electronic latches use semiconductor circuits (flip-flops) for high-speed digital applications, while mechanical latches employ physical catches/springs for environments with electrical noise or where power loss must not affect state retention.

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