KIA 3303C|30V/90A N 沟道 MOSFET,高效稳定之选
AP90N03Q(铨力)
30V/90A,Rds(on)=3.6mΩ(@10V)
封装:DFN3×3 / TO-252
场景:BMS、电动工具、负载开关
NCEP3090GU(新洁能)
30V/90A,Rds(on)=2.8mΩ(@10V)
封装:DFN5×6 / TO-252
特点:低 Crss、快开关,兼容 KIA3303C 引脚
SM3303(矽微)
30V/90A,Rds(on)=2.6mΩ(@10V)
封装:DFN3×3 / TO-252
对标 KIA3303C,参数几乎一致,可直接替换
CRTD080N03L2P(华润微)
30V/90A,Rds(on)=3.0mΩ(@10V)
封装:TO-252 / DFN5×6
工业级,-55℃~150℃,适合电源管理
二、进口替代(高端 / 车规)
IPD90N03S4L-02(英飞凌)
30V/90A,Rds(on)=2.2mΩ(@10V)
封装:TO-252(DPAK)
车规级,低损耗,适合高频 DC-DC
STB200NF03(意法半导体)
30V/120A(冗余更大),Rds (on)=3.2mΩ
封装:DFN5×6(PowerFLAT)
大电流冗余,适合电机驱动、快充

型号
Vds
Id
Rds(on)@10V
封装
品牌
KIA3303C
30V
90A
2.6mΩ(DFN)/3.2mΩ(TO)
DFN3×3/5×6、TO-252
KIA
AP90N03Q
30V
90A
3.6mΩ
DFN3×3、TO-252
铨力
NCEP3090GU
30V
90A
2.8mΩ
DFN5×6、TO-252
新洁能
SM3303
30V
90A
2.6mΩ
DFN3×3、TO-252
新洁能
IPD90N03S4L-02
30V
90A
2.2mΩ
TO-252
英飞凌
四、推荐结论
优先国产替换:SM3303、NCEP3090GU,参数完全匹配,价格更低,交期稳。
车规 / 高端场景:IPD90N03S4L-02、STB200NF03,可靠性更高。
引脚兼容:以上型号均与 KIA3303C 引脚定义一致,直接替换无需改板
| DFN3*3/5*6 Pin | TO-252 Pin | Function |
|---|---|---|
| 4 | 1 | Gate |
| 5,6,7,8 | 2 | Drain |
| 1,2,3 | 3 | Source |
| Part Number | Package | Brand |
|---|---|---|
| KNG3303C | DFN3*3 | KIA |
| KNY3303C | DFN5*6 | KIA |
| KND3303C | TO-252 | KIA |
| Parameter | Symbol | DFN3*3/5*6 Rating | TO-252 Rating | Units |
|---|---|---|---|---|
| Drain-source voltage | VDSS | 30 | 30 | V |
| Continuous drain current | ID (TC=25℃) | 90 | 90 | A |
| ID (TC=100℃) | 59 | 59 | A | |
| Pulsed drain current -Pulsed 1) | IDM | 400 | 400 | A |
| Gate-source voltage | VGS | ±20 | ±20 | V |
| Single pulse avalanche energy 2) | EAS | 289 | 289 | mJ |
| Power dissipation (TC=25℃) | PD | 66 | 70 | W |
| Operating junction and storage temperature range | TJ, TSTG | -55 to 150 | -55 to 150 | ℃ |
| Maximum lead temperature for soldering purposes, 1/8" from case for 5 seconds | TL | 300 | 300 | ℃ |
*Drain current limited by maximum junction temperature.
| Parameter | Symbol | DFN3*3/5*6 Rating | TO-252 Rating | Unit |
|---|---|---|---|---|
| Thermal resistance junction-case | RθJC | 1.9 | 1.78 | ℃/W |
| Parameter | Symbol | Test Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|---|
| Drain-source breakdown voltage | BVDSS | VGS=0V, ID=250uA | 30 | - | - | V |
| Drain-source leakage current | IDSS | VDS=30V, VGS=0V | - | - | 1 | uA |
| Gate-source forward leakage | IGSS | VGS=±20V, VDS=0V | - | - | ±100 | nA |
| Gate threshold voltage | VGS(TH) | VDS=VGS, ID=250uA | 1.0 | 2.2 | - | V |
| Drain-source on-resistance | RDS(on) | VGS=10V, ID=20A (DFN3*3/5*6) | - | 2.6 | 3.9 | mΩ |
| VGS=10V, ID=20A (TO-252) | - | 3.2 | 4.0 | mΩ | ||
| VGS=4.5V, ID=15A (DFN3*3/5*6) | - | 3.9 | 5.6 | mΩ | ||
| VGS=4.5V, ID=15A (TO-252) | - | 4.5 | 5.6 | mΩ | ||
| Input capacitance | Ciss | VDS=15V, VGS=0V, f=1MHz | - | 3280 | - | pF |
| Output capacitance | Coss | - | 360 | - | pF | |
| Reverse transfer capacitance | Crss | - | 320 | - | pF | |
| Turn-on delay time | td(on) | VGS=10V, VDS=10V, RL=3Ω, ID=30A 3) | - | 10 | - | ns |
| Rise time | tr | - | 100 | - | ns | |
| Turn-off delay time | td(off) | - | 54 | - | ns | |
| Fall time | tf | - | 98 | - | ns | |
| Total gate charge(10V) | Qg | VDS=10V, ID=30A, VGS=10V 3) | - | 60 | - | nC |
| Gate-source charge | Qgs | - | 28 | - | nC | |
| Gate-drain charge | Qgd | - | 3 | - | nC | |
| Maximum Continuous Drain-Source Diode Forward Current | IS | — | - | - | 100 | A |
| Maximum Pulsed Drain-Source Diode Forward Current | ISM | — | - | - | 400 | A |
| Diode forward voltage | VSD | ISD=20A, VGS=0V, TJ=25℃ | - | - | 1.2 | V |
| Reverse recovery time | Trr | IF=20A, dl/dt=100A/μs | - | 20 | - | ns |
| Reverse recovery charge | Qrr | - | 10 | - | nC |
Notes:
1. Repetitive Rating: Pulse Width Limited by Maximum Junction Temperature.
2. EAS condition: TJ=25℃, VDD=15V, VG=10V, RG=25Ω, L=0.5mH.
3. Pulse Test: Pulse Width≤300us, Duty Cycles 0.5%

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