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Infineon Technologies BSP324H6327XTSA1

Infineon BSP324H6327XTSA1 N-Channel MOSFET, 400 V, 170 mA

MPNBSP324H6327XTSA1
End of Life

Infineon SIPMOS N-Channel MOSFET, 400 V Vdss, 170 mA continuous drain, 25 Ohm Rds(on) at 10 V, SOT-223-4 surface mount, -55°C to 150°C junction temperature.

$0.99Ref. price · indicative, final on quote
Infineon Technologies BSP324H6327XTSA1 datasheet (PDF)
PackagingTO-261-4, TO-261AA
RoHSROHS3 Compliant
SeriesSIPMOS®
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

BSP324H6327XTSA1 specifications
ParameterValue
SeriesSIPMOS®
FET typeN-Channel
MountingSurface Mount
Drain to source voltage400 V
Drive voltage (Max rds on, min rds on)4.5V, 10V
Current - continuous drain (Id) @ 25°C170mA (Ta)
Power dissipation1.8W (Ta)
Operating temperature-55°C ~ 150°C (TJ)
PackageTape & Reel (TR); Cut Tape (CT)
Vgs±20V
TechnologyMOSFET (Metal Oxide)
CaseTO-261-4, TO-261AA
Vgs(th) (Max) @ id2.3V @ 94µA
Rds on (Max) @ id, vgs25Ohm @ 170mA, 10V
Gate charge (Qg) (Max) @ vgs5.9 nC @ 10 V
Input capacitance (Ciss) (Max) @ vds154 pF @ 25 V

Product details

400 V N-channel in a SOT-223 — what it fits

The Infineon BSP324H6327XTSA1 is a 400 V N-channel SIPMOS MOSFET in a PG-SOT223-4 surface-mount package. The 400 V drain-source voltage suits offline auxiliary supplies, flyback clamp circuits, and high-voltage DC-DC converters where the current is modest.

On-resistance and gate drive — the thermal trade-off

With 25 Ohm Rds(on) at 10 V gate drive, conduction loss at 170 mA is about 0.72 W — the 1.8 W package dissipation limit (Ta) leaves some headroom, but the junction will run hot in still air. The gate threshold voltage is 2.3 V max at 94 µA drain current, so a 3.3 V logic-level gate drive will turn it on, but the Rds(on) is specified at 4.5 V and 10 V drive — expect higher on-resistance if driven below 4.5 V.

The 150°C TJ max is the absolute limit; derate power dissipation above 25°C ambient per the datasheet curve.

ROHS3 compliant.

Frequently asked questions

What is the difference between BSP324 and BSP324H6327XTSA1?

The BSP324H6327XTSA1 is the tape-and-reel (and cut-tape) packaged variant of the base BSP324 die. The electrical specifications — 400 V Vdss, 170 mA Id, 25 Ohm Rds(on) — are identical. The suffix indicates the reel packaging and the halogen-free / ROHS3 compliant plating.