WMSIC Electronic Components

CRMICRO CRJS99N65G2BF

ModelCRJS99N65G2BF
PackageTO-263
BrandCRMICRO
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

19 specifications

Core information

Product name
CRMICRO CRJS99N65G2BF
Type
CRMICRO
Minimum package
1000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
CRMICRO
Electronic Component
CRJS99N65G2BF
Electronic Component
1
Package
TO-263
Electronic Component
1 N
Type
N
Electronic Component
MOSFET
Electronic Component
Electronic Component
Electronic Component
1.807g
Electronic Component
1
Electronic Component
BM0259354153
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
271W
Gate Voltage(Vgs)
±30V
Electronic Component
Electronic Component

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

CRJS99N65G2BF 产品概述

一、概述

CRJS99N65G2BF 是华润微(CRMICRO)推出的一款 650V 级 N 沟道功率 MOSFET,采用 TO-263(D2PAK)封装,面向中高压开关电源和功率转换应用。器件具有 650V 的漏源耐压、较大的额定电流和耐热能力,适用于升压 PFC、电源开关管、中小功率逆变器及电机驱动等需要高耐压与可靠性的场合。

二、主要电气参数(关键指标)

  • 漏源耐压 Vdss:650V
  • 连续漏极电流 Id:32A
  • 导通电阻 RDS(on):90mΩ @ Vgs=10V
  • 耗散功率 Pd:271W(需参考散热条件)
  • 阈值电压 Vgs(th):4.6V
  • 总栅极电荷 Qg:70nC
  • 输入电容 Ciss:1.9nF
  • 输出电容 Coss:117pF
  • 反向传输电容 Crss(Coss 的一部分):2.2pF
  • 最大栅极电压 Vgs:±30V
  • 工作温度范围:-55℃ ~ +150℃
  • 配置:独立式 N 沟道,封装 TO-263(SMD)

三、性能亮点与特性

  • 高耐压设计(650V):适合高压开关场合,如离线电源、功率因数校正(PFC)级、反激/正激变换等。
  • 较低的导通电阻:90mΩ@10V 在中等电流范围内可提供较小的导通损耗,对于占空比较大的应用有利。
  • 工作温度宽:-55℃ 到 +150℃,利于高温环境下的可靠性设计。
  • TO-263 封装:适合表面贴装制造(SMT),方便在 PCB 上做散热设计与并联使用。

四、开关特性与驱动建议

  • 总栅极电荷 Qg=70nC 较大:意味着在快速开关时需要驱动器提供较大的峰值电流以快速充放栅极电容,若驱动器能力不足会导致开关速度下降、开关损耗增大。推荐使用能够提供足够电流(几百毫安到数安)的专用栅极驱动器或在驱动端并联合适的阻抗元件以控制振荡。
  • Crss(Miller 电容)仅 2.2pF:相对较小的 Miller 电容有利于降低米勒效应带来的延时,但要结合较大的 Qg 综合考虑开关过程。
  • 驱动电压建议:10~12V 门极驱动以确保 RDS(on) 达到标称值;注意 Vgs 最大值为 ±30V,不可超过此限。

五、热管理与功耗考量

  • 虽然标注 Pd=271W,但这是在特定测试条件与良好散热(低结到环境热阻或强制冷却)的前提下。实际 PCB 封装、铜箔面积和散热片情况会显著影响允许的功耗。
  • 举例(理论):在满载 32A 时,若全部为稳态导通损耗,Pd(conduction) ≈ I^2·RDS(on) = 32^2 × 0.09 ≈ 92W;该损耗对单片 TO-263 无强制散热而言非常高,实际应用中需采用强制风冷、铜柱或外部散热器,或考虑并联器件以降低单片应力。
  • 建议在设计时计算结温并留出裕量,必要时采用热阻仿真或热测试验证。

六、典型应用

  • 功率因数校正(PFC)开关管
  • 离线开关电源(反激、正激、中小功率软开关拓扑)
  • 高压直流-直流变换器(HV DC-DC)
  • 光伏逆变器、UPS 等需要中高压 MOSFET 的场合
  • 中小功率电机驱动(视电流与热设计而定)

七、注意事项与设计建议

  • 该器件并非逻辑电平 MOSFET(Vgs(th)=4.6V),需较高门极驱动电压(典型 10V)以达到标称 RDS(on)。
  • 开关速度与 EMI:大 Qg 与快速边沿会在关断/导通瞬间产生较高的开关损耗与辐射干扰,设计时要权衡栅阻、电阻/电容缓冲、吸收网络(RC/RC 脉冲抑制或 RCD 钳位)与 PCB 布局。
  • 并联与匹配:在需要更低导通损耗或更高电流能力时,考虑并联多片并配合适当的源端电阻与热分布,以避免不均流。
  • 参考封装引脚与 PCB 布局:TO-263 的散热平面与焊盘设计对热阻影响显著,遵循厂商建议的焊盘和散热层。

八、总结

CRJS99N65G2BF 提供了 650V 耐压与中等导通电阻的平衡方案,适合需要高耐压与可靠性的电源及功率转换领域。其较大的栅极电荷需要更强的栅极驱动能力与良好的热管理,对于追求高效率和高开关频率的设计者,需要在驱动电路、散热与 EMI 抑制上做充分优化。建议在最终设计中参考完整数据手册并进行热和电磁兼容性验证。

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.