Diodes MMBT3906T - Manual (Page 2)

Electrical Characteristics
@T
A
= 25°C unless otherwise specified
DS30271 Rev. 8 - 2 2 of 4
www.diodes.com
MMBT3906T
© Diodes Incorporated
Characteristic Symbol Min Max Unit Test Condition
OFF CHARACTERISTICS (Note 5)
Collector-Base Breakdown Voltage
V
(BR)CBO
-40 ⎯ V I
C
= -10 μA, I
E
= 0
Collector-Emitter Breakdown Voltage V
(BR)CEO
-40 ⎯ V I
C
= -1.0mA, I
B
= 0
Emitter-Base Breakdown Voltage V
(BR)EBO
-5.0 ⎯ 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 5)
DC Current Gain h
FE
60
80
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)
⎯
-0.25
-0.40
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
Noise Figure NF ⎯ 4.0 dB
V
CE
= -5.0Vdc, I
C
= 100 μAdc,
R
S
= 1.0k Ω, f = 1.0kHz
SMALL SIGNAL CHARACTERISTICS
Output Capacitance
C
obo
⎯ 4.5 pF V
CB
= -5.0V, f = 1.0MHz, I
E
= 0
Input Capacitance C
ibo
⎯ 10 pF V
EB
= -0.5V, f = 1.0MHz, I
C
= 0
Input Impedance h
ie
2.0 12 k Ω
Voltage Feedback Ratio h
re
0.1 10 x 10 -4
Small Signal Current Gain h
fe
100 400 ⎯
Output Admittance h
oe
3.0 60 μS
V
CE
= 1.0V, I
C
= 10mA,
f = 1.0kHz
Current Gain-Bandwidth Product f
T
250 ⎯ MHz
V
CE
= -20V, I
C
= -10mA,
f = 100MHz
SWITCHING CHARACTERISTICS
Delay Time
t
d
⎯ 35 ns
Rise Time t
r
⎯ 35 ns
V
CC
= -3.0V, I
C
= -10mA,
V
BE(off)
= 0.5V, I
B1
= -1.0mA
Storage Time t
s
⎯ 225 ns
Fall Time t
f
⎯ 75 ns
V
CC
= -3.0V, I
C
= -10mA,
I
B1
= I
B2
= -1.0mA
Notes: 5. Short duration pulse test used to minimize self-heating effect.
1
100
10
0.1 1 10 100
C
, I
N
P
U
T
C
A
P
A
C
IT
AN
C
E (
pF
)
C
, OUT
P
UT
CAP
A
CIT
A
N
CE (
p
F
)
IB
O
OB
O
V , COLLECTOR-BASE VOLTAGE (V)
Fig. 2 Typical Input and Output Capacitance vs.
Collector-Base Voltage
CB
0
50
100
0 40 80 120 160 200
P
, P
O
WE
R
D
ISSI
P
A
T
IO
N
(mW)
D
T , AMBIENT TEMPERATURE (°C)
Fig. 1 Power Derating Curve
A
150
200
250