BU508AX NXP Semiconductors, BU508AX Datasheet - Page 3

• Manufacturer Part Number: BU508AX
• Description: Silicon Diffused Power Transistor
• Manufacturer: NXP Semiconductors

Philips Semiconductors
July 1998
Silicon Diffused Power Transistor
250
200
100
IC / mA
30-60 Hz
0
VCE
Fig.2. Oscilloscope display for V
IC
IB
Fig.3. Switching times waveforms.
Fig.1. Test circuit for V
6V
DIODE
20us
TRANSISTOR
100R
VCE / V
64us
26us
CEOsust
Oscilloscope
1R
VCEOsust
100-200R
Horizontal
Vertical
min
IBend
CEOsust
.
ICsat
.
+ 50v
t
t
t
3
IBend
-VBB
100
10
Fig.6. Typical DC current gain. h
1
0.1
h
FE
IC
IB
Fig.4. Switching times definitions.
Fig.5. Switching times test circuit .
LB
parameter V
IBend
ts
IC/A
D.U.T.
1
CE
Product specification
+ 150 v nominal
adjust for ICsat
tf
1mH
12nF
10 %
90 %
ICsat
FE
- IBM
BU508AX
BU508AD
= f (I
t
t
BY228
Rev 1.200
C
10
)