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80V 160A大功率MOS管 KNX2708A 适配UPS逆变器/DC-DC转换器

信息来历:本站 日期:2026-04-29 

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80V 160A大功率MOS管 KNX2708A 适配UPS逆变器/DC-DC转换器

KIA KNX2708A 160A, 80V N-Channel MOSFET

1. General Features

  • Proprietary New Trench Technology
  • RDS(ON),typ. = 4.0mΩ @ VGS=10V
  • Low Gate Charge Minimize Switching Loss
  • Fast Recovery Body Diode


2. Applications

  • High efficiency DC/DC converters
  • Synchronous Rectification
  • UPS Inverter

3. Pin Configuration


KIA KNX2708A 80V 160A MOSFET 

卖点及替换竞品一、焦点卖点(适配客户实在利用范畴)

1. 高功率承载,适配大功率场景

80V耐压、160A持续 drain 电流(Tc=25℃),脉冲电流可达640A,单脉冲雪

崩能量1100mJ,轻松应答大功率装备运转须要,根绝电流过载、电压击穿问

题,适配高功率DC/DC转换器、UPS逆变器等场景。

2. 低消耗高效,下降装备运转本钱

接纳专有新沟槽手艺,Rds(ON)典范值仅4.0mΩ(@VGS=10V,ID=24A)

,低栅极电荷设想,大幅下降开关消耗和导通消耗;正向跨导达130S,开关呼应

敏捷,晋升装备能效,削减能耗华侈,适配对能效请求高的同步整流场景。

3. 高靠得住性,适配严苛工况

撑持-55℃~175℃宽温运转,峰值二极管规复dv/dt达5.0V/ns,100%适配凹凸

温、高电压动摇等严苛产业情况;快规复体二极管设想,抗搅扰才能强,防止装备运

行中呈现毛病,适配产业级UPS、大功率电源装备。

4. 多封装可选,适配多样设想须要

供给TO-220、TO-263两种封装(对应型号KNP2708A、KNB2708A),管脚定

义清楚(3脚/4脚适配差别装置须要),可间接婚配现有PCB设想,无需改板,适

配差别体积、装置空间的装备设想,统筹通用性和矫捷性。

5. 高性价比,国产替换优选

KIA原厂品德,参数不变,价钱优于入口同规格产物,交期不变;撑持批量供货,

供给完美手艺撑持,可间接替换入口竞品,下降推销本钱,适配寻求高性价比的产业、

电源范畴客户。


二、适配客户利用范畴

高 efficiency DC/DC转换器:低消耗、快开关特征,晋升转换器能效,

适配大功率电源转换场景(如产业电源、办事器电源)。

同步整流:快规复体二极管、低导通电阻,削减整流消耗,适配充电器、

适配器等须要高效整流的装备。

UPS逆变器:高电流承载、宽温运转、高雪崩才能,适配UPS装备的大功率逆变需

求,保证断电时不变供电。

产业大功率装备:160A大电流、80V耐压,适配产业机电驱动、大功率节制器等场景,

不变靠得住。

新动力相干装备:宽温、低消耗特征,适配新动力充电桩、储能装备的电源办理模块

三、KNX2708A 竞品替换对标表(同规格可间接替换,无需改板)

替换型号
品牌
Vds(耐压)
Id(持续电流)
Rds(ON)@10V(典范值)
封装
焦点上风
适配场景
KIA KNX2708A(原型号)
KIA
80V
160A(Tc=25℃)
4.0mΩ
TO-220、TO-263
低消耗、高雪崩能量、多封装、高性价比
DC/DC转换器、同步整流、UPS逆变器
IRF3205
IR(国际整流器)
55V(可兼容80V以下场景)

110A(Tc=25℃)

8.0mΩ
TO-220
入口品德、不变性高、市场承认度高
中大功率DC/DC、机电驱动(80V以下场景)
IRF3205
Fairchild(仙童)
80V
120A(Tc=25℃)
5.0mΩ
TO-220
快开关、低栅极电荷、抗搅扰强
UPS逆变器、同步整流、大功率电源
NCE80H160
新洁能(国产)
80V
160A(Tc=25℃)
4.5mΩ
TO-220、TO-263
国产高性价比、参数婚配度高、交期不变
完整替换KNX2708A,适配一切原型号场景
SM80160
矽微(国产)
80V
160A(Tc=25℃
4.2mΩ
TO-220、TO-263
低消耗、宽温运转、管脚完整兼容
DC/DC转换器、UPS逆变器、产业大功率装备
AP80N160(铨力)
铨力(国产)
80V
160A(Tc=25℃)
4.8mΩ
TO-220
价钱昂贵、批量供货不变、适配民用产业场景
同步整流、中大功率电源、民用装备
IPD80N160P7(英飞凌)
英飞凌(入口)
80V
160A(Tc=25℃)
3.8mΩ
TO-220
车规级品德、低消耗、高靠得住性
高端UPS、新动力装备、严苛产业场景

Pin Function
1 Gate
2 Drain
3 Source
4 (TO-263) Drain

4. Ordering Information

Part Number Package Brand
KNP2708A TO-220 KIA
KNB2708A TO-263 KIA

5. Absolute Maximum Ratings (Tc=25℃, unless otherwise specified)

Symbol Parameter Rating Unit
VDSS Drain-to-Source Voltage 80 V
VGSS Gate-to-Source Voltage ±20 V
ID Continuous Drain Current (TC=25℃) 160 A
ID @ TC=100℃ Continuous Drain Current @ TC=100℃ 80 A
IDM Pulsed Drain Current at VGS=10V 640 A
EAS Single Pulse Avalanche Energy 1100 mJ
dv/dt Peak Diode Recovery dv/dt 5.0 V/ns
PD Power Dissipation 313 W
- Derating Factor above 25℃ 2.08 W/℃
TL Maximum Temperature for Soldering (Leads at 0.063in (1.6mm) from Case for 10 seconds) 300
TPAK Maximum Temperature for Soldering (Package Body for 10 seconds) 260
TJ&TSTG Operating and Storage Temperature Range -55 to 175

Caution: Stresses greater than those listed in the "Absolute Maximum Ratings" may cause permanent damage to the device.

6. Thermal Characteristics

Symbol Parameter Rating Unit
RθJC Thermal Resistance, Junction-to-Case 0.48 ℃/W
RθJA Thermal Resistance, Junction-to-Ambient 62 ℃/W

7. Electrical Characteristics (TJ=25℃, unless otherwise specified)

OFF Characteristics

Symbol Parameter Test Conditions Min. Typ. Max. Unit
BVDSS Drain-to-Source Breakdown Voltage VGS=0V, ID=250uA 80 - - V
IDSS Drain-to-Source Leakage Current VDS=80V, VGS=0V - - 5 uA
VDS=64V, VGS=0V, TJ=125℃ - - 100 uA
IGSS Gate-to-Source Leakage Current VGS=+20V, VDS=0V - - +100 nA
VGS=-20V, VDS=0V - - -100 nA

ON Characteristics (TJ=25℃, unless otherwise specified)

Symbol Parameter Test Conditions Min. Typ. Max. Unit
RDS(ON) Static Drain-to-Source On-Resistance VGS=10V, ID=24A - 4.0 4.8
VGS(TH) Gate Threshold Voltage VDS=VGS, ID=250uA 2.0 - 4.0 V
gfs Forward Transconductance VDS=10V, ID=80A - 130 - S

Dynamic Characteristics (Essentially independent of operating temperature)

Symbol Parameter Test Conditions Min. Typ. Max. Unit
Ciss Input Capacitance VGS=0V, VDS=25V, f=1.0MHz - 9300 - pF
Coss Output Capacitance - 650 - pF
Crss Reverse Transfer Capacitance - 260 - pF
Rg Gate Series Resistance f=1.0MHz - 2.7 - Ω
Qg Total Gate Charge VDD=40V, ID=80A, VGS=0 to 10V - 115 - nC
Qgs Gate-to-Source Charge - 40 - nC
Qgd Gate-to-Drain (Miller) Charge - 30 - nC

Resistive Switching Characteristics (Essentially independent of operating temperature)

Symbol Parameter Test Conditions Min. Typ. Max. Unit
td(ON) Turn-on Delay Time VDD=40V, ID=40A, VGS=10V, RG=10Ω - 50 - nS
trise Rise Time - 135 - nS
td(OFF) Turn-Off Delay Time - 112 - nS
tfall Fall Time - 75 - nS

Source-Drain Body Diode Characteristics (TJ=25℃, unless otherwise specified)

Symbol Parameter Test Conditions Min. Typ. Max. Unit
ISD Continuous Source Current Integral PN-diode in MOSFET - - 160 A
ISM Pulsed Source Current - - - 640 A
VSD Diode Forward Voltage IS=80A, VGS=0V - - 1.2 V
trr Reverse Recovery Time VGS=0V, IF=80A, diF/dt=100A/μs - 85 - ns
Qrr Reverse Recovery Charge - 205 - nC

Note:
[1] TJ = +25 ℃ to +175 ℃.
[2] Silicon limited current only.
[3] Package limited current.
[4] Repetitive rating; pulse width limited by maximum junction temperature.
[5] Pulse width ≤380μs; duty cycle ≤2%.

8. Test Circuits and Waveforms Summary

  • Figure 1. Maximum Effective Thermal Impedance, Junction-to-Case
  • Figure 2. Maximum Power Dissipation vs. Case Temperature
  • Figure 3. Maximum Continuous Drain Current vs Case Temperature
  • Figure 4. Typical Output Characteristics
  • Figure 5. Typical Drain-to-Source ON Resistance vs. Gate Voltage
  • Figure 6. Maximum Peak Current Capability
  • Figure 7. Typical Transfer Characteristics
  • Figure 8. Unclamped Inductive Switching Capability
  • Figure 9. Typical Drain-to-Source ON Resistance vs. Drain Current
  • Figure 10. Typical Drain-to-Source ON Resistance vs. Junction Temperature
  • Figure 11. Typical Breakdown Voltage vs. Junction Temperature
  • Figure 12. Typical Threshold Voltage vs. Junction Temperature
  • Figure 13. Maximum Forward Safe Operation Area
  • Figure 14. Typical Capacitance vs. Drain-to-Source Voltage
  • Figure 15. Typical Gate Charge vs. Gate-to-Source Voltage
  • Figure 16. Typical Body Diode Transfer Characteristics


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