WMSIC Electronic Components

SILAN SVF4N150PF

ModelSVF4N150PF
PackageTO-3PF
BrandSILAN
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
SILAN SVF4N150PF
Type
SILAN
Minimum package
450 盒

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SILAN
Electronic Component
SVF4N150PF
Electronic Component
1
Package
TO-3PF
Electronic Component
1 N
Electronic Component
MOSFET
Electronic Component
7.19g
Electronic Component
1
Electronic Component
BM0264684948
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
73W
Electronic Component
Electronic Component
Electronic Component
450
Voltage(Vdss)
1.5kV
Capacitor(Ciss)
1.034nF

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

SVF4N150PF(士兰微)——1.5kV N沟MOSFET 产品概述

一、产品简介

SVF4N150PF 是士兰微(SILAN)推出的一款高压 N 沟场效应管,封装为 TO-3PF,额定漏源电压 Vdss = 1.5kV,适用于需要高耐压但电流要求不很大的功率开关场合。该器件具有较高的耗散功率和宽温度范围(-55℃ 至 +150℃),适合工业级高压电源与脉冲应用。

二、关键参数与工程含义

  • Vdss = 1.5kV:可承受高达 1500V 的静态漏源电压,适合高压侧开关或串联配置。
  • Id(连续)= 4A:封装与器件结构允许在理想散热条件下最大连续电流约 4A;实际可用电流受热阻与散热条件限制。
  • RDS(on) = 5Ω @ Vgs=10V:导通电阻较大,适合低电流高压场合;在较高电流时导通损耗显著(例如 I=1A 时 Pd≈5W,I=2A 时 Pd≈20W)。
  • Pd = 73W(通常在 Tc=25℃):器件最大耗散需靠良好散热实现,散热不充分时须降额使用。
  • Vgs(th) = 3V:门槛偏高,逻辑电平驱动(如 5V)难以完全导通,推荐 10~12V 驱动以接近标称 RDS(on) 条件。
  • Ciss ≈ 1.034nF、Crss ≈ 12pF:输入电容中等,门极总电荷不大(粗略估算 Qg ≈ Ciss×Vgs ≈ 10nC 级),驱动能量低;较小的 Crss 有利于降低米勒电容引起的二次开关问题。

三、典型应用场景

  • 高压开关电源(中大功率隔离或非隔离拓扑);
  • 高频高压脉冲电路、老化或测试设备;
  • 灯具/电感镇流、高压整流器的开关元件;
  • 串联多颗器件以实现更大电流或更高可靠性的分压/保护方案(需注意均压与驱动同步)。

四、热管理与安全注意

  • 由于 RDS(on) 较大,导通损耗可能成为限制因素。按 Pd 与 RDS(on) 估算安全连续电流:I_safe ≈ sqrt(Pd / RDS(on)) ≈ sqrt(73/5) ≈ 3.8A(在理想散热、Tc=25℃ 时)。实际使用应考虑结温上升与器件降额。
  • 必须采用可靠的散热方式(大面积散热片、良好导热垫、合适螺栓固定),并遵循厂商推荐的装配与拧紧规范(如需绝缘垫片,应使用合格固定件并注意热阻增加)。
  • 在高压开关场合建议并联过压吸收(RC、RC+TVS)或缓冲电路以限制浪涌与能量吸收,避免超出结电压或能量极限。

五、驱动与开关建议

  • 推荐门极驱动电压 10~12V,以接近标称 RDS(on);门槛 3V 表明 5V 驱动可能不能保证低导通阻抗。
  • 可用 10–47Ω 的门极电阻抑制振铃与控制开关速度,必要时增加栅极箝位与 RC 抑制以降低 dv/dt 导致的误触发。
  • 低 Crss 有利于降低米勒带来的关断延迟,但在高压快速切换中仍需考虑电磁兼容与应力分配。

六、封装与可靠性提示

  • TO-3PF 为功率螺栓式封装,适合高功率散热;安装时注意绝缘/接地方案与热阻变化对器件允许功耗的影响。
  • 工作温度范围广(-55℃ 至 +150℃),适合恶劣环境,但长期可靠性依赖于热循环、结温控制与合理电应力约束。

总结:SVF4N150PF 适用于需要高耐压、低至中等电流的开关场合,优点是高压耐受力和适中的门极电容,局限在较高的导通电阻与对散热要求较高。设计时应以热管理、门极驱动与过压保护为重点,确保长期可靠运行。

Request for quote

Send RFQ

Use the form for single models, category sourcing, and multi-line BOM requirements.

Send your target model and quantity.

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.

Electronic component model and package intelligence review on an ESD-safe inspection bench

Model & package intelligence

Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.

BOM matching and alternative component comparison workstation with protected IC samples

BOM matching & alternatives

BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.

Electronic component sourcing availability dashboard with ESD-protected samples

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.

Package confirmation Typical RFQ workflow

A multi-line BOM is organized into direct sourcing lines, lines that need package clarification, and lines where alternative-part review is permitted.

Mixed BOM triage Typical RFQ workflow

The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.

Obsolete-part review Typical RFQ workflow

Sample quantity, minimum packing, package format, target date, and courier destination are kept together in one RFQ conversation.

Small-batch request Typical RFQ workflow

Package photos, model markings, board context, and the quantity needed for repair help focus the sourcing review on the relevant version.

Repair batch evidence Typical RFQ workflow

When a suffix or package note is incomplete, the response records the open difference and requests buyer confirmation before procurement proceeds.

Model suffix clarification Typical RFQ workflow

Packing format, carton notes, invoice details, courier option, destination, and tracking handoff are coordinated around the confirmed order.

Export handoff Typical RFQ workflow

The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.

Replenishment inquiry Typical RFQ workflow

Related products

Packaged components ready for RFQ.