Datasheet

1. Product profile
1.1 General description
Logic level N-channel enhancement mode Field-Effect Transistor (FET) in a plastic
package using NXP High Performance Automotive (HPA) TrenchMOS technology. This
product has been designed and qualified to the appropriate AEC standard for use in
automotive critical applications.
1.2 Features and benefits
1.3 Applications
1.4 Quick reference data
BUK9Y14-40B
N-channel TrenchMOS logic level FET
Rev. 03 — 2 June 2008 Product data sheet
Low conduction losses due to low
on-state resistance
Q101 compliant
Suitable for logic level gate drive
sources
Suitable for thermally demanding
environments due to 175 °C rating
Air bag Automotive ABS systems
Automotive transmission control Diesel injection systems
Fuel pump and injection Motors, lamps and solenoids
Table 1. Quick reference
Symbol Parameter Conditions Min Typ Max Unit
V
DS
drain-source voltage T
j
25 °C; T
j
175 °C --40V
I
D
drain current V
GS
=5V; T
mb
=25°C;
see Figure 4 and 1
--56A
P
tot
total power dissipation T
mb
=25°C; see Figure 2 --85W
Dynamic characteristics
Q
GD
gate-drain charge V
GS
=5V; I
D
=10A;
V
DS
= 32 V; see Figure 14
-9-nC
Static characteristics
R
DSon
drain-source on-state
resistance
V
GS
=5V; I
D
=20A;
T
j
=25°C; see Figure 12 and
13
- 1214mΩ
Avalanche ruggedness
E
DS(AL)S
non-repetitive
drain-source
avalanche energy
I
D
=56A; V
sup
40 V;
R
GS
=50Ω; V
GS
=5V;
T
j(init)
=25°C; unclamped
--89mJ

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