Electrical characteristics - npn (q1), Dst3946dpj – Diodes DST3946DPJ User Manual
Page 4
DST3946DPJ
Document number: DS32040 Rev. 2 - 2
4 of 9
November 2012
© Diodes Incorporated
DST3946DPJ
Electrical Characteristics - NPN (Q1)
(@T
A
= +25°C, unless otherwise specified.)
Characteristic Symbol
Min
Max
Unit
Test
Condition
OFF CHARACTERISTICS (Note 6)
Collector-Base Breakdown Voltage
BV
CBO
60
⎯
V
I
C
= 10
μA, I
E
= 0
Collector-Emitter Breakdown Voltage (Note 6)
BV
CEO
40
⎯
V
I
C
= 1.0mA, I
B
= 0
Emitter-Base Breakdown Voltage
BV
EBO
6.0
⎯
V
I
E
= 10
μA, I
C
= 0
Collector Cutoff Current
I
CEX
⎯
50 nA
V
CE
= 30V, V
EB(OFF)
= 3.0V
Base Cutoff Current
I
BL
⎯
50 nA
V
CE
= 30V, V
EB(OFF)
= 3.0V
ON CHARACTERISTICS (Note 6)
DC Current Gain
h
FE
40
70
100
60
30
⎯
⎯
300
⎯
⎯
⎯
I
C
= 100µA, V
CE
= 1.0V
I
C
= 1.0mA, V
CE
= 1.0V
I
C
= 10mA, V
CE
= 1.0V
I
C
= 50mA, V
CE
= 1.0V
I
C
= 100mA, V
CE
= 1.0V
Collector-Emitter Saturation Voltage
V
CE(sat)
⎯
0.20
0.30
V
I
C
= 10mA, I
B
= 1.0mA
I
C
= 50mA, I
B
= 5.0mA
Base-Emitter Saturation Voltage
V
BE(sat)
0.65
⎯
0.85
0.95
V
I
C
= 10mA, I
B
= 1.0mA
I
C
= 50mA, I
B
= 5.0mA
SMALL SIGNAL CHARACTERISTICS
Output Capacitance
C
obo
⎯
4.0 pF
V
CB
= 5.0V, f = 1.0MHz, I
E
= 0
Input Capacitance
C
ibo
⎯
8.5 pF
V
EB
= 0.5V, f = 1.0MHz, I
C
= 0
Input Impedance
h
ie
1.0 10 k
Ω
V
CE
= 10V, I
C
= 1.0mA,
f = 1.0kHz
Voltage Feedback Ratio
h
re
0.5 8.0
x
10
-4
Small Signal Current Gain
h
fe
100 400
⎯
Output Admittance
h
oe
1.0 40
μS
Current Gain-Bandwidth Product
f
T
300
⎯
MHz
V
CE
= 20V, I
C
= 10mA,
f = 100MHz
SWITCHING CHARACTERISTICS
Delay Time
t
d
⎯
35 ns
V
CC
= 3.0V, I
C
= 10mA,
V
BE(off)
= - 0.5V, I
B1
= 1.0mA
Rise Time
t
r
⎯
35 ns
Storage Time
t
s
⎯
200 ns
V
CC
= 3.0V, I
C
= 10mA,
I
B1
= I
B2
= 1.0mA
Fall Time
t
f
⎯
50 ns
Notes:
6. Short duration pulse test used to minimize self-heating effect.
0
0.02
0.04
0.06
0.08
0.10
0.12
0.14
0
1
2
3
4
5
V
, COLLECTOR-EMITTER VOLTAGE (V)
CE
Fig. 4 Typical Collector Current
vs. Collector-Emitter Voltage
I,
C
O
LL
E
C
T
O
R
C
U
R
R
E
N
T
(A
)
C
I = 2mA
B
I = 0.2mA
B
I = 0.4mA
B
I = 0.6mA
B
I = 0.8mA
B
I = 1.6mA
B
I = 1.4mA
B
I = 1.2mA
B
I = 1.8mA
B
I = 1mA
B
0.1
1
10
100
1,000
I , COLLECTOR CURRENT (mA)
C
Fig. 5 Typical DC Current Gain vs. Collector Current
0
100
200
300
400
h,
D
C
C
U
R
R
E
N
T
G
AI
N
FE
T = -55°C
A
T = 25°C
A
T = 150°C
A
T = 125°C
A
T = 85°C
A
V
= 5V
CE