Datasheet

2004 Feb 02 4
NXP Semiconductors Product data sheet
NPN general purpose transistor PMBS3904
Fig.2 DC current gain; typical values.
handbook, full pagewidth
0
250
50
100
150
200
MBH723
10
−2
10
−1
h
FE
1
I
C
(mA)
10 10
3
10
2
V
CE
= 5 V
V
i
= 5 V; T = 500 µs; t
p
= 10 µs; t
r
= t
f
≤ 3 ns.
R1 = 56 Ω; R2 = 2.5 kΩ; R
B
= 3.9 kΩ; R
C
= 270 Ω.
Oscilloscope: input impedance Z
i
= 50 Ω.
handbook, full pagewidth
R
C
R2
R1
DUT
MLB826
V
o
R
B
(probe)
450 Ω
(probe)
450 Ω
oscilloscope
oscilloscope
V
BB
V
i
V
CC
Fig.3 Test circuit for switching times.