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BUK71/7908-40AIE
TrenchPLUS standard level FET
Rev. 02 -- 24 October 2003 Product data
1. Product profile
1.1 Description
N-channel enhancement mode field-effect power transistor in a plastic package using
TrenchMOSTM technology, featuring very low on-state resistance, TrenchPLUS
current sensing and diodes for ESD protection.
1.2 Features
s ESD protection s Q101 compliant
s Integrated current sensor s Standard level compatible.
1.3 Applications
s Variable Valve Timing for engines s Electrical Power Assisted Steering.
1.4 Quick reference data
s VDS 40 V s RDSon = 6 m (typ)
s ID 117 A s ID/Isense = 500 (typ).
2. Pinning information
Table 1: Pinning - SOT426 and SOT263B, simplified outline and symbol
Pin Description Simplified outline Symbol
1 gate (g)
mb d
2 sense current (Isense) mb
3 drain (d)
4 Kelvin source g
1 2 3 4 5
5 source (s)
mb mounting base;
s
connected to drain (d) Front view MBK127 MBL368 Isense Kelvin source
1 5
MBL263
SOT426 (D2-PAK) SOT263B (TO-220AB)
Philips Semiconductors BUK71/7908-40AIE
TrenchPLUS standard level FET
3. Ordering information
Table 2: Ordering information
Type number Package
Name Description Version
BUK7108-40AIE D2-PAK Plastic single-ended surface mounted package; 5 leads (one lead cropped) SOT426
BUK7908-40AIE TO-220 Plastic single-ended package; heatsink mounted; 1 mounting hole; 5-leads SOT263B
4. Limiting values
Table 3: Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol Parameter Conditions Min Max Unit
VDS drain-source voltage (DC) - 40 V
VDGR drain-gate voltage (DC) RGS = 20 k - 40 V
VGS gate-source voltage (DC) - ◦ Jabse Service Manual Search 2026 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo