QS6K21FRATR
45V NCH+NCH SMALL SIGNAL MOSFET
Transistors Fets Mosfets Arrays
SOT-23-6 Thin, TSOT-23-6
Automotive, AEC-Q101
Active
$0.63 / unit (market reference)
MOQ: 1 pcs
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Parameters
| Parameter | Value |
|---|---|
| Brand | Rohm Semiconductor |
| Model | QS6K21FRATR |
| Package / Case | SOT-23-6 Thin, TSOT-23-6 |
| Mounting Type | Surface Mount |
| Operating Temperature | 150°C (TJ) |
| FET Type | 2 N-Channel (Dual) |
| Drain to Source Voltage (Vdss) | 45V |
| Rds On (Max) | 420mOhm @ 1A, 4.5V |
| Vgs(th) (Max) | 1.5V @ 1mA |
| Gate Charge (Qg) | 2.1nC @ 4.5V |
| Input Capacitance (Ciss) | 10V |
| Power Dissipation (Max) | 950mW (Ta) |
| Supplier Device Package | TSMT6 (SC-95) |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
QS6K21FRATR by Rohm Semiconductor is an N-channel power MOSFET rated at 45V / N/A, commonly used in DC-DC converters, motor drivers, power supplies, and battery protection circuits. The SOT-23-6 Thin, TSOT-23-6 package offers good thermal performance for SMT mounting. Key spec: Rds(on) max 420mOhm @ 1A, 4.5V. Select gate driver voltage carefully — logic-level variants exist for direct MCU drive.
📖 Technical Guides for QS6K21FRATR
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All Technical Specifications
| FET Type | 2 N-Channel (Dual) |
| FET Feature | Standard |
| Power - Max | 950mW (Ta) |
| Vgs(th) (Max) @ Id | 1.5V @ 1mA |
| Rds On (Max) @ Id, Vgs | 420mOhm @ 1A, 4.5V |
| Gate Charge (Qg) (Max) @ Vgs | 2.1nC @ 4.5V |
| Drain to Source Voltage (Vdss) | 45V |
| Input Capacitance (Ciss) (Max) @ Vds | 10V |
| Current - Continuous Drain (Id) @ 25°C | 1A (Ta) |
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