Philips PowerMOS Transistor BUK444-800A Data Sheet User Guide
Summary
Product specification for the Philips BUK444-800A/B PowerMOS N-channel enhancement mode field-effect power transistor in SOT186 (full-pack) isolated plastic package. Rated for 800V drain-source breakdown voltage, 1.4A (A variant) or 1.2A (B variant) DC drain current at 25 degrees C, 30W total power dissipation, and 6.0 or 8.0 Ohms on-state resistance respectively. Gate threshold 2.1-4.0V. Applications include switched mode power supplies (SMPS), motor control, welding, DC/DC and AC/DC converters, and general purpose switching.
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查询BUK444-800供应商 Philips Semiconductors Product Specification
Power MOS transistor BUK444-800A/B
GENERAL DESCRIPTION QUICK REFERENCE DATA N-channel enhancement mode SYMBOL PARAMETER MAX. MAX. UNIT field-effect power transistor in a plastic full-pack envelope. BUK444 -800A -800B
The device is intended for use in VDS Drain-source voltage
Switched Mode Power Supplies ID Drain current (DC) 1.4 1.2 (SMPS), motor control, welding, Ptot Total power dissipation DC/DC and AC/DC converters, and RDS(ON) Drain-source on-state 6.0 8.0 in general purpose switching resistance applications.
PINNING - SOT186 PIN CONFIGURATION SYMBOL PIN DESCRIPTION
gate drain
source case isolated
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) Ths = 25 ˚C 1.4 1.2 ID Drain current (DC) Ths = 100 ˚C 0.9 0.75 IDM Drain current (pulse peak value) Ths = 25 ˚C 5.6 4.8 Ptot Total power dissipation Ths = 25 ˚C Tstg Storage temperature - 55 ˚C Tj Junction Temperature ˚C
THERMAL RESISTANCES SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
Rth j-hs Thermal resistance junction to with heatsink compound 4.17 K/W heatsink
Rth j-a Thermal resistance junction to K/W
ambient
April 1993 Rev 1.100
Page Summary Contents For Philips PowerMOS Transistor BUK444-800A Data Sheet User Guide
Manual Details
| Brand | Philips |
|---|---|
| Pages | 7 |
| File Size | 69.43 KB |
| Published | June 16, 2026 |
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