Torex Semiconductor LtdTO-243AARoHS
XP161A1265PR
MOSFET N-CH 20V 4A SOT89
Category
Subcategory
Transistors Fets Mosfets Single
Package
TO-243AA
Status
Not For New Designs
$0.37 / unit (market reference)
MOQ: 1000 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | Torex Semiconductor Ltd |
| Model | XP161A1265PR |
| Package / Case | TO-243AA |
| Mounting Type | Surface Mount |
| Operating Temperature | 150°C (TJ) |
| FET Type | N-Channel |
| Drain to Source Voltage (Vdss) | 20 V |
| Rds On (Max) | 55mOhm @ 2A, 4.5V |
| Input Capacitance (Ciss) | 320 pF @ 10 V |
| Power Dissipation (Max) | 2W (Ta) |
| Drive Voltage | 2.5V, 4.5V |
| Supplier Device Package | SOT-89 |
| RoHS | RoHS |
| Part Status | Not For New Designs |
Application & Notes
XP161A1265PR by Torex Semiconductor Ltd is an N-channel power MOSFET rated at 20 V / N/A, commonly used in DC-DC converters, motor drivers, power supplies, and battery protection circuits. The TO-243AA package offers good thermal performance for SMT mounting. Key spec: Rds(on) max 55mOhm @ 2A, 4.5V. Select gate driver voltage carefully — logic-level variants exist for direct MCU drive.
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All Technical Specifications
| FET Type | N-Channel |
| Vgs (Max) | ±12V |
| Technology | MOSFET (Metal Oxide) |
| Rds On (Max) @ Id, Vgs | 55mOhm @ 2A, 4.5V |
| Power Dissipation (Max) | 2W (Ta) |
| Drain to Source Voltage (Vdss) | 20 V |
| Input Capacitance (Ciss) (Max) @ Vds | 320 pF @ 10 V |
| Drive Voltage (Max Rds On, Min Rds On) | 2.5V, 4.5V |
| Current - Continuous Drain (Id) @ 25°C | 4A (Ta) |
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