Rochester Electronics, LLCTO-251-3 Short Leads, IPak, TO-251AARoHS
SFT1450-H
MOSFET N-CH 40V 21A TP
Category
Subcategory
Transistors Fets Mosfets Single
Package
TO-251-3 Short Leads, IPak, TO-251AA
Status
Obsolete
Datasheet
$0.33 / unit (market reference)
MOQ: 902 pcs
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Parameters
| Parameter | Value |
|---|---|
| Brand | Rochester Electronics, LLC |
| Model | SFT1450-H |
| Package / Case | TO-251-3 Short Leads, IPak, TO-251AA |
| Mounting Type | Through Hole |
| Operating Temperature | 150°C (TJ) |
| FET Type | N-Channel |
| Drain to Source Voltage (Vdss) | 40 V |
| Rds On (Max) | 28mOhm @ 10.5A, 10V |
| Gate Charge (Qg) | 14.4 nC @ 10 V |
| Input Capacitance (Ciss) | 715 pF @ 20 V |
| Power Dissipation (Max) | 1W (Ta), 23W (Tc) |
| Drive Voltage | 10V |
| Supplier Device Package | IPAK/TP |
| RoHS | RoHS |
| Part Status | Obsolete |
Application & Notes
SFT1450-H by Rochester Electronics, LLC is an N-channel power MOSFET rated at 40 V / N/A, commonly used in DC-DC converters, motor drivers, power supplies, and battery protection circuits. The TO-251-3 Short Leads, IPak, TO-251AA package offers good thermal performance for SMT mounting. Key spec: Rds(on) max 28mOhm @ 10.5A, 10V. Select gate driver voltage carefully — logic-level variants exist for direct MCU drive.
📖 Technical Guides for SFT1450-H
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All Technical Specifications
| FET Type | N-Channel |
| Vgs (Max) | ±20V |
| Technology | MOSFET (Metal Oxide) |
| Rds On (Max) @ Id, Vgs | 28mOhm @ 10.5A, 10V |
| Power Dissipation (Max) | 1W (Ta), 23W (Tc) |
| Gate Charge (Qg) (Max) @ Vgs | 14.4 nC @ 10 V |
| Drain to Source Voltage (Vdss) | 40 V |
| Input Capacitance (Ciss) (Max) @ Vds | 715 pF @ 20 V |
| Drive Voltage (Max Rds On, Min Rds On) | 10V |
| Current - Continuous Drain (Id) @ 25°C | 21A (Ta) |
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