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BSP149
  • BSP149

BSP149

Active and preferred

Infineon is one of the few semiconductor manufacturers worldwide to offer depletion MOSFETs.Areas of application include power supply startup power, over-voltage protection, in-rush-current limiter, off-line voltage reference. With one single component it is possible to realize a simple current regulator. All products are suitable for automotive applications. In order to meet special requirements, depletion MOSFETs are available with V GS(th) indicator on the reel.

Infineon Technologies BSP149 Product Info

16 April 2026 0

Parameters

Budgetary Price €/1k

0.34

Ciss

326 pF

Coss

41 pF

ID (@25°C) max

0.66 A

IDpuls max

2.6 A

Mode

Depletion

Mounting

SMD

Operating Temperature range

-55 °C to 150 °C

Package

SOT-223

Pin Count

4 Pins

Polarity

N

Ptot max

1.8 W

QG (typ @4.5V)

11 nC

RDS (on) (@0V)

3500 mΩ

RDS (on) (@10V) max

1800 mΩ

RthJC max

70 K/W

Special Features

Depletion mode

VDS max

200 V

VGS(th) range

-2.1 V to -1 V

VGS(th)

-1.4 V

Apps

Medium voltage IBC (48 V), Power conversion

Features

  • Depletion mode
  • dv/dt rated
  • Available w/ V GS(th) indicator on reel
  • Halogen free
  • Pb-free lead plating; RoHS compliant
  • Qualified according to AEC Q101

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