PHILIPS BUK117-50DL User Guide Data Sheet
Summary
This high-performance TOPFET power MOSFET switch provides reliable logic-level switching for various loads, making it ideal for demanding applications such as automotive systems and machinery. The technical manual offers comprehensive specifications, detailing electrical characteristics, robust overload/overtemperature protection features, and thermal performance limits. Use this guide to integrate durable and efficient switching solutions into your next design project.
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Philips Semiconductors Product specification
Power MOS transistor BUK117-50DL Logic level TOPFET
DESCRIPTION QUICK REFERENCE DATA Monolithic temperature and SYMBOL PARAMETER MAX. UNIT overload protected logic level power
MOSFET in TOPFET2 technology VDS Continuous drain source voltage
assembled in a 3 pin plastic ID Continuous drain current
package. PD Total power dissipation
Tj Continuous junction temperature ˚C
APPLICATIONS RDS(ON) Drain-source on-state resistance mΩ
General purpose switch for driving IISL Input supply current VIS = 5 V µA
lamps motors solenoids heaters in automotive systems and other applications.
FEATURES FUNCTIONAL BLOCK DIAGRAM Trench MOS output stage Current limiting DRAIN Overload protection Overtemperature protection Protection latched reset by input 5 V logic compatible input level
Control of output stage and
supply of overload protection CLAMP
POWER
circuits derived from input
INPUT
Low operating input current RIG MOSFET
permits direct drive by micro-controller ESD protection on all pins
LOGIC AND
Overvoltage clamping for turn
off of inductive loads PROTECTION
SOURCE
Fig.1. Elements of the TOPFET.
PINNING - SOT78B PIN CONFIGURATION SYMBOL
mb mb
PIN DESCRIPTION
TOPFET
input
drain source tab drain
MBL292Front view
May 2001 Rev 1.800
Page Summary Contents For PHILIPS BUK117-50DL User Guide Data Sheet
Manual Details
| Brand | Philips |
|---|---|
| Pages | 6 |
| File Size | 35.31 KB |
| Published | July 04, 2026 |
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Frequently Asked Questions
What kind of general applications can the BUK117-50DL TOPFET be used for?
It is suitable for driving lamps, motors, solenoids, and heaters in automotive systems and other applications.
How does the device protect against electrical overloads?
The TOPFET offers overload protection from both overtemperature and short circuits, with a specific power threshold of 80 W (D(TO)).
What is the typical drain-source on-resistance (RDS(ON)) at room temperature?
At T = 25˚C, the DS(ON) resistance is typically 100 mΩ.
Does this device have internal safety features for protection?
Yes, it includes functional blocks for TrenchMOS output stage current limiting, overload protection, and overtemperature protection.