Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
Brightking 821KD14
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Brightking 821KD14
- Type
- BRIGHTKING
- Minimum package
- 250 袋
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- Brightking
- Electronic Component
- 821KD14
- Electronic Component
- 1
- Package
- Through-hole, P=7.5mm
- Electronic Component
- Varistor Resistor
- Electronic Component
- 235J
- Electronic Component
- 3.242g
- Electronic Component
- 1
- Varistor Voltage
- 820V
- Electronic Component
- BM0227635883
- Voltage
- 1.355kV
- Static Power
- 600mW
- Static Capacitor
- 240pF@1kHz
- Operating Voltage(AC)
- 510V
- Operating Voltage(DC)
- 670V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
821KD14 压敏电阻产品概述
1. 产品简介
821KD14 是一款由台湾君耀（Brightking）公司生产的高性能压敏电阻，广泛应用于电子设备的过电压保护电路中。该产品具有高浪涌电流承受能力、稳定的压敏电压和优异的能量吸收性能，适用于各种工业和消费电子设备。
2. 主要特性
- 压敏电压 (Varistor Voltage): 820V ±10%
- 峰值浪涌电流 (Peak Surge Current): 6kA
- 最大工作电压 (Maximum Working Voltage):
- AC: 510V
- DC: 670V
- 能量吸收能力 (Energy Absorption): 235J
- 钳位电压 (Clamping Voltage): 1.355kV
- 静态电容 (Static Capacitance): 240pF @ 1kHz
- 封装形式 (Package): 径向引线
- 尺寸 (Dimensions): 14mm
3. 应用领域
821KD14 压敏电阻适用于以下领域：
- 电源保护: 用于交流/直流电源输入端的过电压保护，防止因雷击或电网波动导致的设备损坏。
- 电子设备: 用于各种电子设备的过电压保护，如家用电器、工业控制设备、通信设备等。
- 浪涌保护: 用于浪涌保护器（SPD）中，吸收高能量浪涌电流，保护后续电路。
4. 技术优势
- 高浪涌电流承受能力: 峰值浪涌电流可达6kA，能够有效吸收高能量浪涌，保护设备免受损坏。
- 稳定的压敏电压: 压敏电压为820V ±10%，确保在正常工作电压下不导通，而在过电压情况下迅速响应。
- 优异的能量吸收性能: 能量吸收能力高达235J，能够有效吸收和耗散过电压能量。
- 低静态电容: 静态电容仅为240pF @ 1kHz，适用于高频电路，减少对信号传输的影响。
5. 产品规格
- 品牌: Brightking（台湾君耀）
- 型号: 821KD14
- 封装: 径向引线
- 尺寸: 14mm
- 工作温度范围: -40°C to +85°C
- 储存温度范围: -40°C to +125°C
6. 使用注意事项
- 安装位置: 应安装在设备的电源输入端，靠近保护器件，以最大限度地发挥其保护作用。
- 环境条件: 避免在高温、高湿或腐蚀性环境中使用，以免影响产品性能。
- 定期检查: 定期检查压敏电阻的外观和电气性能，确保其正常工作。
7. 结论
821KD14 压敏电阻凭借其高浪涌电流承受能力、稳定的压敏电压和优异的能量吸收性能，成为电子设备过电压保护的理想选择。无论是在工业控制设备、家用电器还是通信设备中，821KD14 都能提供可靠的过电压保护，确保设备的安全稳定运行。
通过以上概述，用户可以全面了解821KD14 压敏电阻的性能特点和应用领域，从而更好地选择和使用该产品。
Request for quote
Send RFQ
Use the form for single models, category sourcing, and multi-line BOM requirements.
Product sourcing intelligence
Model, package, availability, and BOM fit reviewed before quotation.
WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.
BOM matching & alternatives
BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.
Sourcing availability signal
Stock routes, quotation confidence, lead-time notes, and shipment feasibility are checked before sales follow-up.
Buyer sourcing scenarios
Examples of how common component sourcing requests are organized.
Typical RFQ scenarios based on the WMSIC form fields, catalog data, manual review steps, and shipment preparation workflow.
The buyer shares the full part number, package requirement, quantity, destination, and available product photos so the quotation can record the exact version under review.
A multi-line BOM is organized into direct sourcing lines, lines that need package clarification, and lines where alternative-part review is permitted.
The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.
Sample quantity, minimum packing, package format, target date, and courier destination are kept together in one RFQ conversation.
Package photos, model markings, board context, and the quantity needed for repair help focus the sourcing review on the relevant version.
When a suffix or package note is incomplete, the response records the open difference and requests buyer confirmation before procurement proceeds.
Packing format, carton notes, invoice details, courier option, destination, and tracking handoff are coordinated around the confirmed order.
The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.
Related products
Packaged components ready for RFQ.
