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TECH PUBLIC ULC0524P
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- TECH PUBLIC ULC0524P
- Type
- TECH PUBLIC
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- TECH PUBLIC
- Electronic Component
- ULC0524P
- Electronic Component
- 1
- Package
- DFN2510-10
- Electronic Component
- Electronic Component
- Type
- ESD
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.025g
- Electronic Component
- 1
- Channel Count
- Electronic Component
- Cj- Capacitor
- 0.3pF
- Electronic Component
- BM0226539331
- Operating Temperature
- 55℃~+125℃
- Voltage
- 13V
- Electronic Component
- IEC 61000-4-4；IEC 61000-4-5；IEC 61000-4-2
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
ULC0524P 产品概述
一、产品简介
ULC0524P 是 TECH PUBLIC（台舟电子）推出的一款四路单向瞬态电压抑制器（TVS/ESD），专为对高速信号线和低电压数字接口提供静电（ESD）与浪涌（Surge）保护而设计。器件在封装 DFN2510-10 中实现小尺寸、高可靠性的保护方案，适合移动设备、通信、工业控制等受限空间场合。
二、主要特性
- 钳位电压（VC）：13 V（典型）
- 工作温度范围：-55 °C ～ +125 °C
- 击穿电压（VBR）：7.5 V
- 反向截止电压（Vrwm）：5 V（适用于 5 V 系统）
- 峰值脉冲功率：70 W @ 8/20 μs
- 结电容（Cj）：0.3 pF（每通道，极低电容，适合高速信号）
- 反向电流（Ir）：10 nA（在 Vrwm 下，低漏电）
- 通道数：4 路，极性：单向
- 标准符合：IEC 61000-4-2 / 4-4 / 4-5（ESD、脉冲群、浪涌）
三、典型应用场景
- USB 2.0/低速差分数据线、摄像头/触控接口保护
- 工业控制信号、TTL/CMOS 接口与串口保护
- 消费类电子与便携设备接口（靠近外部连接器）
- 对高频/高速数据链路要求低电容影响的场合
四、封装与可靠性
DFN2510-10 小尺寸封装利于在空间受限设计中布局；器件可在宽温度范围内稳定工作，适合户外及工业级应用。符合 IEC 标准保证在 ESD 与浪涌事件下提供一致保护性能。
五、选型与 PCB 布局建议
- 将 ULC0524P 尽量靠近需要保护的外部连接器布置，以缩短走线感应电感和提高保护效率。
- 对地线采用低阻抗的回流路径，使用焊盘接地大铜箔并做过孔贯通（via stitching）以降低地电位差。
- 对高速信号线保持最短走线，并避免在 TVS 与器件之间穿插滤波元件会影响响应。
- 若面对严重浪涌，建议与串联电阻或共模扼流圈配合使用以分散能量。
- 遵循 DFN2510-10 推荐焊盘和回流曲线，注意不可重复强热压以保护封装完整性。
六、典型接线与注意事项
- 单向 TVS 的常见接法：器件阴极（K）接受保护信号线，阳极（A）接地（GND），在正向冲击时钳位导通引流至地。
- 在 5 V 系统中，Vrwm=5 V 能保证正常信号传输而不触发保护；峰值钳位 13 V 能吸收短时高能瞬态。
- 设计时应依据系统最大可承受峰值能量选择是否需要并联或级联保护方案。
- 注意静电防护与焊接工艺，避免在装配过程中损坏器件。
ULC0524P 以其低结电容、低漏电和高能量吸收能力，提供对 5 V 及高速信号线可靠而不影响信号完整性的保护，是常见接口防护的优选元件。
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