EN
  • EN
  • DE
loading
Mfr. Part No. Qty. Price

No items in the cart

View Cart
Same model may have multiple batches, images only for reference.
AOI4185 Real Image
Same model may have multiple batches, images only for reference.

AOI4185

Part No AOI4185
Manufacturer Alpha & Omega Semiconductor Inc.
Catalog Transistors - FETs, MOSFETs - RF
Description MOSFET P-CH 40V 40A TO251A
Datasheet
AOI4185 Datasheet
Sample
Rohs State rohs
ECAD Module
Need Help

Products specifications Report Issue?

Categories Discrete Semiconductor Products
Manufacturer Alpha & Omega Semiconductor Inc.
Packaging Tube/Rail
Status Active
Polarity P-Channel
Technology MOSFET
Drain-Source Breakdown Voltage 40V
Continuous Drain Current at 25°C 40A (Tc)
Drive Voltage (Max Rds On, Min Rds On) 4.5V, 10V
Gate-Source Threshold Voltage 3V @ 250μA
Max Gate Charge 55nC @ 10V
Max Input Capacitance 2550pF @ 20V
Maximum Gate-Source Voltage ±20V
Power Dissipation (Max) 2.5W (Ta), 62.5W (Tc)
Maximum Rds On at Id,Vgs 15 mOhm @ 20A, 10V
Temperature Range - Operating -55°C to 175°C (TJ)
Mounting Through Hole
Case / Package TO-251A
Dimension TO-251-3 Stub Leads, IPak
Win Source Part Number 078155-AOI4185
Popularity Medium
Supply and Demand Status Balance
Ultra Librarian 3D Model Ultra Librarian AOI4185 CAD Model

Description

AOI4185: High Efficiency Power MOSFET

The AOI4185 is engineered for demanding power applications, providing a balance of efficiency and resilience. Suitable for a variety of power control and conversion projects.

  • Applications:
    • Power supply modules
    • High-efficiency power converters
    • Electric vehicle power systems
  • Features and Benefits:
    • Exceptional thermal stability
    • Optimized for low-switching-loss applications
    • Rugged design ensures longevity
  • Additional Details:
    • Package Type: TO-220
    • Operating Temperature: -55°C to +150°C
    • Reliability: Designed for long-life under high-stress conditions

You May Also Be Interested in

A2T18H410-24SR6 Real Image
A2T18H410-24SR6
NXP / Nexperia
IC TRANS RF LDMOS / RF Mosfet LDMOS (Dual) 28 V 800 mA 1.81GHz 17.4dB 71W NI-1230-4LS2L
Need more? Email Us
Picture of A2T26H160-24SR3
A2T26H160-24SR3
Freescale Semiconductor - NXP
RF POWER FIELD-EFFECT TRANSISTOR / RF Mosfet LDMOS (Dual) 28 V 350 mA 2.58GHz 15.5dB 28W NI-780S-4L2L
Lowest to $216.4180
IXFT52N30Q Real Image
IXFT52N30Q
IXYS
N-Channel Enhancement Mode Avalanche Rated, High dv/dt, Low t Low Gate Charge and Capacitances
Lowest to $32.6415
F7NM50N Real Image
F7NM50N
STMicroelectronics
MOSFET N-CH 500V 5A TO-220FP
Need more? Email Us
F13NK50Z Real Image
F13NK50Z
STMicroelectronics
MOSFET N-CH 500V 11A TO-220FP
Lowest to $13.7099
F6NM60N Real Image
F6NM60N
STMicroelectronics
MOSFET N-CH 600V 4.6A TO-220FP
Need more? Email Us
IXFP4N100P Real Image
IXFP4N100P
IXYS
Polar HiPerFET Power MOSFET
Lowest to $5.1136
F13NM50N Real Image
F13NM50N
STMicroelectronics
MOSFET N-CH 500V 12A TO-220FP
Lowest to $2.9060
F16NM50N Real Image
F16NM50N
STMicroelectronics
MOSFET N-CH 500V 15A TO-220FP
Need more? Email Us

Top Sellers

TPSM63606RDLR Real Image
TPSM63606RDLR
Texas Instruments
DC DC CONVERTER 1-16V / Non-Isolated PoL Module DC DC Converter 1 Output 1 ~ 16V 6A 3V - 36V Input
Lowest to $13.4125
74HC595D,118 label picture
74HC595D,118
Nexperia USA Inc.
Counter Shift Registers 8-bit serial-in, serial or parallel-out shift register with output latches; 3 - state
Lowest to $0.1046
ICM-42605 real image24295
ICM-42605
TDK InvenSense
IMU ACCEL/GYRO/TEMP I2C/SPI LGA
Lowest to $10.4542
BM04B-GHS-TBT(LF)(SN)(N) label picture
BM04B-GHS-TBT(LF)(SN)(N)
JST Sales America Inc.
CONN HEADER GH TOP 4POS 1.25MM
Lowest to $0.1782
FT232RL-REEL Real Image
FT232RL-REEL
FTDI, Future Technology Devices International Ltd
IC USB FS SERIAL UART 28-SSOP
Lowest to $5.2271
BM06B-GHS-TBT(LF)(SN)(N) Real Image2
BM06B-GHS-TBT(LF)(SN)(N)
JST Sales America Inc.
CONN HEADER SMD 6POS 1.25MM
Lowest to $0.4985
ICM-42688-P Real Image2
ICM-42688-P
TDK InvenSense
MOTION SENSOR / Accelerometer, Gyroscope, 6 Axis Sensor Output
Lowest to $17.8196
BMI088 real image23913
BMI088
Bosch Sensortec
ACCELEROMETER 16LGA / Accelerometer, Gyroscope, 6 Axis Sensor I2C, SPI Output
Lowest to $11.8797
FT4232HL-REEL real image4451
FT4232HL-REEL
FTDI, Future Technology Devices International Ltd
IC USB HS QUAD UART/SYNC 64-LQFP
Lowest to $13.3053
FT4232HL real image4446
FT4232HL
FTDI, Future Technology Devices International Ltd
IC USB HS QUAD UART/SYNC 64-LQFP
Lowest to $13.3053
PE4312C-Z label picture
PE4312C-Z
Peregrine Semiconductor
RF ATTENUATOR 31.5DB 50OHM 20QFN
Lowest to $2.2891
ULN2803ADW Real Image
ULN2803ADW
Texas Instruments
DARLINGTON TRANSISTOR ARRAY | TRANS 8NPN DARL 50V 0.5A 18SO
Lowest to $5.4647
BMI160 real image
BMI160
Bosch Sensortec
IMU ACCEL/GYRO I2C/SPI 14LGA / Accelerometer, Gyroscope, 6 Axis Sensor I2C, SPI Output
Lowest to $3.6828
BMM150 label picture
BMM150
Bosch Sensortec
SENSOR FLIPCORE/HALL SPI 12WLCSP / Geomagnetic Sensor
Lowest to $0.7841
ULN2803ADWR real image9675
ULN2803ADWR
Texas Instruments
TRANS 8NPN DARL 50V 0.5A 18SO
Lowest to $5.4647

Pricing & Ordering

Quantity Unit Price Ext. Price
180+ $0.3269 $58.8420
435+ $0.2680 $116.5800
670+ $0.2599 $174.1330
920+ $0.2518 $231.6560
1,185+ $0.2437 $288.7845
1,590+ $0.2183 $347.0970
* Prices exclude shipping and taxes. Shipping costs are calculated at checkout.
Estimate Shipping
Enter your destination to get a shipping estimate
*
Availability: 20,353 pieces
MOQ: 180 pcs
Order Increment : 1 pcs
*Need More Quantity? *Request a Bulk Quantity Quotation?
Ordering Guidelines

Shipping Information

Shipped from HK warehouse
Expected Shipping Date
Ship today if order in (HKT)
Supplier Lead-Time Call for availability
Estimate shipping fee
Enter your destination to get a shipping estimate
Estimate Shipping Fee

Contact Us

*
*
*

FRAUD PREVENTION REMINDERS

Recently, We have discovered that criminals falsely claimed to be WIN SOURCE to commit fraud. Please note that the only official website & email suffix are win-source.group, win-source.net, winsourcectl.com and winsourceelec.com

More details about fraud prevention
About Us
Customer Service
Solutions
Copyright © 2026 WIN SOURCE. All rights reserved.
For detailed contact information and office addresses in our key locations, including Irvine, Munich, Toronto, Singapore, Seoul, Bangalore, Bologna, Yamanashi, Hong Kong, and Mainland China, please visit our website.
Trust Guard Security Scanned
RFQ RFQ RFQ BOM BOM BOM API API API Sell Sell Sell your Excess