PHILIPS PowerMOS Transistor BUK451-100A Data Booklet
Summary
The BUK451-100A/B is a robust N-channel PowerMOS field-effect transistor designed for demanding switching applications, including SMPS, motor control, and DC/DC converters. This technical manual provides comprehensive engineering specifications, detailing its absolute maximum ratings, dynamic characteristics, thermal impedances, and operational derating curves. It serves as a critical resource for power electronics engineers selecting components requiring high reliability and precise performance data.
Page 1 Text Content
查询BUK451-100A供应商 Philips Semiconductors Preliminary Specification
Power MOS transistor BUK451-100A/B
GENERAL DESCRIPTION QUICK REFERENCE DATA N-channel enhancement mode SYMBOL PARAMETER MAX. MAX. UNIT field-effect power transistor in a plastic envelope. BUK451 -100A -100B
The device is intended for use in VDS Drain-source voltage
Switched Mode Power Supplies ID Drain current (DC) 3.0 3.0 (SMPS), motor control, welding, Ptot Total power dissipation DC/DC and AC/DC converters, and Tj Junction temperature ˚C
in general purpose switching RDS(ON) Drain-source on-state 0.85 1.1
applications. resistance
PINNING - TO220AB PIN CONFIGURATION SYMBOL PIN DESCRIPTION
gate drain
source tab drain
LIMITING VALUES Limiting values in accordance with the Absolute Maximum System (IEC 134) SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT VDS Drain-source voltage VDGR Drain-gate voltage RGS = 20 kΩ ±VGS Gate-source voltage
ID Drain current (DC) Tmb = 25 ˚C 3.0 3.0 ID Drain current (DC) Tmb = 100 ˚C 3.0 3.0 IDM Drain current (pulse peak value) Tmb = 25 ˚C Ptot Total power dissipation Tmb = 25 ˚C Tstg Storage temperature - 55 ˚C Tj Junction Temperature ˚C
Page Summary Contents For PHILIPS PowerMOS Transistor BUK451-100A Data Booklet
Manual Details
| Brand | Philips |
|---|---|
| Pages | 7 |
| File Size | 47.14 KB |
| Published | June 22, 2026 |
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Frequently Asked Questions
What is the maximum continuous drain current (I_D)?
The general specifications list a maximum I_D of 3.0 A at room temperature.
How is the device package wired?
Pin 2 is the gate (g), Pin 3 is the source (s), and Pin 1 is the drain (d).
What are the thermal resistance values for mounting?
The typical junction to mounting base thermal resistance (Rthj-mb) is 3.75 K/W.
Is this device suitable for life support applications?
No, these products are not designed for use in life support appliances, devices or systems.