P-Channel JFET, 30V, 1-Element, 8-Pin SOP Product overview: SI4431BDY-T1-E3 from Vishay is a MOSFET Transistor for power switching, load control, motor drives, DC-DC converters, battery systems, and board-level power design. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include P-Channel, 30V. Search-friendly keywords include MOSFET, power transistor, switching, N-channel, P-channel, 30V, MOSFET Transistor, Single FETs, MOSFETs. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 278-SI4431BDY-T1-E3 can be used for catalog matching and distributor lookup.
Manufacturer: Vishay
Win Source Part Number: 028485-SI4431BDY-T1-
Packaging: Reel - TR
Mounting: SMD (SMT)
Technology: MOSFET
Polarity: P-Channel
Power Dissipation (Max): 1.5W (Ta)
Categories: Discrete Semiconductor Products
Drive Voltage (Max Rds On, Min Rds On): 4.5V, 10V
Status: Active
Temperature Range - Operating: -55°C to 150°C (TJ)
Case / Package: 8-SO
Dimension: 8-SOIC (0.154", 3.90mm Width)
Drain-Source Breakdown Voltage: 30V
Continuous Drain Current at 25°C: 5.7A (Ta)
Gate-Source Threshold Voltage: 3V @ 250μA
Max Gate Charge: 20nC @ 5V
Maximum Gate-Source Voltage: ±20V
Maximum Rds On at Id,Vgs: 30 mOhm @ 7.5A, 10V
Is this a common-used part?: Yes
Popularity: High
Fake Threat In the Open Market: 47 pct.
Supply and Demand Status: Balance
Application Field: Used in Power Management, Consumer Electronics
P-Channel 30V 5.7A (Ta) 1.5W (Ta) Surface Mount 8-SOIC
P-Channel 30V 5.7A (Ta) 1.5W (Ta) Surface Mount 8-SOIC
P-Channel 30V 5.7A (Ta) 1.5W (Ta) Surface Mount 8-SOIC
MOSFET P-CH 30V 5.7A 8SO
MOSFET P-CH 30V 5.7A 8SO
DISCONTINUED BY MANUFACTURER, POWER FIELD-EFFECT TRANSISTOR, 5.7A, 30V, 0.03OHM, 1-ELEMENT, P-CHANNEL, SILICON, METAL-OXIDE SEMICONDUCTOR FET, SOIC-8. FREE 2 YEAR RADWELL WARRANTY
| ERSAELECTRONICS PTE. LTD. | Win Source Electronics | DigiKey | VAST STOCK CO., LIMITED | ODG (Origin Data Global) | Shenzhen Shengyu Electronics Technology Limited | Radwell International | |
|---|---|---|---|---|---|---|---|
| Product Category | Metal-Oxide Semiconductor FET (MOSFET) | Metal-Oxide Semiconductor FET (MOSFET) | Transistors | Metal-Oxide Semiconductor FET (MOSFET) | Metal-Oxide Semiconductor FET (MOSFET) | RF Transistors | RF Transistors |
| Product Number | 278-SI4431BDY-T1-E3 | 028485-SI4431BDY-T1-E3 | SI4431BDY-T1-E3DKR-ND | SI4431BDY-T1-E3 | SI4431BDY-T1-E3 | SI4431BDY-T1-E3 | 22252138 |
| Product Name | P-Channel 30V MOSFET Transistor | TRANSISTORS - Transistors - FETs, MOSFETs - RF - SI4431BDY-T1-E3 | Single FETs, MOSFETs | MOSFET | Single FETs, MOSFETs | Discrete Semiconductor Products - Transistors - FETs, MOSFETs | Transistor |
| Polarity | P-Channel; P-Channel | P-Channel | P-Channel; P-Channel | ||||
| V(BR)DSS | 30 volts | 30 volts | |||||
| PD | 1500 milliwatts | 1500 milliwatts | |||||
| TJ | -55 to 150 C (-67 to 302 F) | -55 to 150 C (-67 to 302 F) |