WMSIC Electronic Components

BELLING BL6N120-A BL6N120

ModelBL6N120-A
PackageTO-220F
BrandBELLING
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
BELLING BL6N120-A
Type
BELLING
Minimum package
500 卷

Technical parameters

Electronic Component
Electronic Component
Electronic Component
BELLING
Electronic Component
BL6N120-A
Electronic Component
1
Package
TO-220F
Electronic Component
1 N
Type
N
Electronic Component
MOSFET
Electronic Component
2.842g
Electronic Component
1
Electronic Component
BM0227759675
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
63W
Electronic Component
Electronic Component
Electronic Component
500
Voltage(Vdss)
1.2kV

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

BL6N120-A 产品概述

一、产品简介

BL6N120-A 是贝岭(BELLING)推出的一款高压单片 N 沟增强型场效应管(MOSFET),额定漏源耐压达 1.2kV,适用于高压开关与功率转换场合。器件采用绝缘塑封 TO-220F 封装,适合需要电气隔离与散热结合的应用。工作温度范围宽(-55℃ 至 +150℃),可靠性适应工业级环境。

二、主要电气参数

  • 漏源电压(Vdss):1.2 kV
  • 连续漏极电流(Id):6 A(理想散热条件下)
  • 导通电阻(RDS(on)):2.9 Ω @ Vgs=10 V
  • 耗散功率(Pd):63 W
  • 栅极阈值电压(Vgs(th)):5 V @ ID=250 μA(此阈值偏高,需适当栅压)
  • 总栅极电荷(Qg):38 nC @ Vgs=10 V(开关驱动能量需求较大)
  • 输入电容(Ciss):1.96 nF,输出电容(Coss):122 pF,反向传输电容(Crss/Crss):4.2 pF

三、特性与应用场景

BL6N120-A 的突出特点是高耐压与良好的功率耗散能力,适合:

  • 高频直流/直流变换器中的高侧或高电压侧开关
  • 开关电源(SMPS)高压级、功率因数校正(PFC)电路
  • 中高压逆变器、焊机、脉冲电源等高压开关场合
    注意:RDS(on) 值为 2.9 Ω(10 V 驱动)表明导通损耗在较大电流时显著,适合中小电流或以开关频率优先的设计,不宜在大电流线性工作区长期使用。

四、驱动与开关考虑

  • 建议栅极驱动电压:10–12 V 以确保充分导通;由于 Vgs(th)≈5 V,直连低压逻辑(如 5 V)可能无法达到理想 RDS(on)。
  • Qg=38 nC 与 Ciss=1.96 nF 意味着需要较大驱动电流以实现快速切换,驱动器应具备足够峰值电流能力。
  • Crss(Miller 电容)较小(4.2 pF),但在高 dV/dt 应用中仍需注意米勒效应,建议在栅极串联合适阻值(10–100 Ω)并视情加缓启动措施以抑制振铃与 EMI。

五、热管理与封装

  • TO-220F 为塑封绝缘型散热封装,热阻比裸片或金属耳型稍高,实际功率耗散受限于散热设计与散热片接触质量。
  • 在持续最大 Pd 条件下需良好散热(评估环境温度、散热片面积及风冷条件);建议在 PCB 设计与散热器匹配时参考器件热阻参数(资料页)。
  • 使用时应避免长期在高结温下运行,以延长寿命并降低失效风险。

六、保护与可靠性建议

  • 设计中应加入过流保护、软启动与过压钳位等措施,避免在开关瞬态或负载突变时产生超额应力。
  • 若电路可能出现能量回灌或高能量浪涌,建议并联外部阻尼网络、RC 吸收或 TVS 以保护器件。
  • 生产验收与应用中关注 ESD 防护及焊接工艺,保证封装完整与热界面良好。

七、结论

BL6N120-A 为面向中等电流、高电压应用场景的 N 沟 MOSFET,具备 1.2 kV 耐压与 63 W 耗散能力。其较高的 RDS(on) 和较大的栅电荷提示在系统设计中需权衡导通损耗与开关损耗,并为栅极配备强驱动与合理的热管理方案。适用于高压开关、PFC、逆变及脉冲电源等场合,但在大电流低损耗场景需慎重选择或考虑并联/替代器件。

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