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Brightking 820KD14
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Brightking 820KD14
- Type
- BRIGHTKING
- Minimum package
- 400 袋
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- Brightking
- Electronic Component
- 820KD14
- Electronic Component
- 1
- Package
- Through-hole, P=7.5mm
- Electronic Component
- Varistor Resistor
- Electronic Component
- 27J
- Electronic Component
- 1.33g
- Electronic Component
- 1
- Varistor Voltage
- 82V
- Electronic Component
- BM0094336966
- Voltage
- 135V
- Static Power
- 600mW
- Static Capacitor
- 2.4nF@1kHz
- Operating Voltage(AC)
- 50V
- Operating Voltage(DC)
- 65V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
产品概述：820KD14 压敏电阻
1. 产品简介
820KD14 是由台湾君耀（Brightking）公司生产的一款压敏电阻，主要用于过压保护和浪涌抑制。该产品的额定电压为 82V，具有 ±10% 的容差，适用于电力和电子设备的保护场合。其直径为 14mm，适合大多数标准电路板封装。通过选择合适的压敏电阻，可以有效避免设备由于瞬态电压引起的损害，延长设备的使用寿命。
2. 产品特性
- 电压范围：额定电压 82V ±10%，即工作电压范围为 73.8V 至 90.2V。
- 封装形式：该产品采用 Bulk（散装）包装，便于批量采购和使用。
- 直径：14mm 的尺寸设计影响产品的安装空间和适用性，适合大部分电路方案。
- 响应速度：压敏电阻具有快速响应特性，能够在数纳秒内对电压尖峰作出反应，有效保护后端电路。
- 耐高温性：材料选用具备优良耐高温性能的陶瓷材料，确保在高温环境中稳定工作。
3. 应用领域
820KD14 压敏电阻广泛应用于以下领域：
- 电力保护：在电力传输和变电设施中，压敏电阻可有效保护变压器和控制设备免受雷电和电网瞬态过电压的影响。
- 电子产品：在消费类电子产品中，如计算机、电视、音响等，作为过压保护元件使用。
- 家用电器：许多家用设备，如冰箱、空调、洗衣机等，利用压敏电阻保护内置电路免受电流冲击。
- 通信设备：在网络与通信设备中，也广泛应用于过压保护，确保数据传输的安全和稳定。
4. 工作原理
压敏电阻的工作原理基于其电阻值随施加电压变化而变化。在正常工作电压下，其电阻值很高，几乎不导电；一旦电压超过其额定值，其电阻值会迅速降低，形成低阻通道，从而分流过高电压，保护后端电路。当高电压消失后，压敏电阻又会迅速回到高阻状态，恢复正常工作。
5. 安装与注意事项
在安装820KD14压敏电阻时需要注意以下几点：
- 极性：压敏电阻一般为非极性元件，可任意方向安装，但建议参考数据手册进行最佳实践安装。
- 散热：确保压敏电阻周围留有足够的散热空间，以防止过热，影响其性能。
- 选择合适的额定电压：在电路设计时，应根据实际应用场景选择适合的额定电压，以确保压敏电阻能在过电压情况下发挥应有的保护功能。
6. 结语
820KD14 压敏电阻作为过压保护解决方案，是提高电子设备可靠性的关键元件。其高性能和广泛应用，使其适用于多种场合，能够有效防止电压瞬态引起的设备损害。在现代电子设计中，合理选择和应用压敏电阻，不仅可以保护电路，减少维修成本，同时还可以提高用户的安全体验。
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