WMSIC Electronic Components

Infineon PVT312LSPBF

ModelPVT312LSPBF
PackageSMD-6P
BrandInfineon
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 25+

Available for RFQ

Technical data

Product details

20 specifications

Core information

Product name
Infineon PVT312LSPBF
Type
INFINEON
Unit
Electronic Component
Minimum package
2000 管

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
INFINEON
Electronic Component
PVT312LSPBF
Electronic Component
1
Package
SMD-6P
Electronic Component
Solid State Relay (MOS Output)
Electronic Component
3.6g
Electronic Component
1
Electronic Component
BM0265619001
Resistor
15Ω
Electronic Component
2A
(Ton)
3ms
(Toff)
500us
Electronic Component
Electronic Component
Electronic Component
2000

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

PVT312LSPBF — 固态继电器(MOS 输出)产品概述

一、概述与核心参数

PVT312LSPBF 是英飞凌(Infineon)推出的一款 SMD 封装固态继电器,封装形式为 6-SMT(SMD-6P),触点形式为 SPST-NO(1 Form A)。器件面向 PCB 级的隔离开关应用,关键参数如下:

  • 连续负载电流:170 mA(最大或典型值,视参考资料而定)
  • 导通电阻(R_on):15 Ω
  • 导通时间(Ton):3 ms;截止时间(Toff):500 μs
  • 隔离电压(Vrms):4 kV
    以上参数决定了器件适用于小电流、需电气隔离的开关场景。

二、主要特点与优势

  • 小型 SMD-6P 封装,适合自动贴装与回流焊,便于量产与高密度 PCB 设计。
  • 固态开关无机械触点,具备高可靠性、长寿命、抗振动性能好。
  • 高绝缘电压(4 kV Vrms),适合需要隔离保护的电源与信号通道。
  • 开关响应不对称:关断速度明显快于导通;这一特性对某些控制策略(如快速断开优先)有利。

三、设计注意事项与热管理

  • 电压降与功耗:在额定连续电流 170 mA、R_on = 15 Ω 条件下,导通电压约 V = I·R ≈ 2.55 V,器件功耗约 P = I^2·R ≈ 0.43 W。该功耗在 SMD 小封装中不可忽视,需合理安排 PCB 散热(加大铜箔面积、必要时加热沉)。
  • 开关频率限制:由 Ton = 3 ms 与 Toff = 0.5 ms 可见,器件不适合高频 PWM 驱动;若用于 PWM,建议工作频率显著低于 200 Hz,以保证开关完整性与热稳定性。
  • 负载类型:器件更适合纯电阻或小信号负载。对感性负载(电机、电感、线圈等)应加抑制电路(TVS、RC 抑制器或缓冲器)并在设计阶段做耐久测试,以防瞬态过压或回流造成损伤。

四、PCB 布局与安装建议

  • 保持负载端与控制/驱动端之间充分的爬电与距闸距离,满足 4 kV 隔离等级的设计规范。
  • 在器件负载引脚下方或周边布置较大铜箔作为散热区,并通过多条过孔(via)将热量引至另一面或内部层。
  • 封装焊盘按厂商推荐模板设计,采用回流焊工艺,避免过多热应力集中。
  • 如在同一板上存在高压与低压侧,建议在布线与元件摆放上严格做隔离分区,避免干扰与误触。

五、典型应用场景

  • 通信与基站中的信号隔离与小电流开关。
  • 工业自动化与控制板上的传感器、指示灯或小功率负载开关。
  • 仪器仪表、医疗设备的隔离控制回路(需结合系统认证要求评估)。
  • PCB 级远程控制与保护电路、微控制器驱动的负载连接开关。

六、选型与替代建议

在选用 PVT312LSPBF 时应重点核对系统的最大负载电流、允许的导通压降与热预算。如系统电流或功耗超出该器件承受范围,应考虑更低 R_on 或更高电流额定的固态继电器方案;若需要更快的导通响应,则需寻找 Ton 明显更短的型号。对感性或高瞬态场合,优先选择带内置过压保护或推荐外部抑制元件的解决方案。

总结:PVT312LSPBF 适合对小电流、需要高隔离性的 PCB 级开关场景,采用 SMD-6P 小封装便于集成,但设计时需特别关注导通压降带来的功耗和热管理,以及其较慢的导通响应对系统时序的影响。购买与生产应用前,建议参考英飞凌正式数据手册与应用说明进行最终验证。

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