LESHAN RADIO COMPANY, LTD.
O12–1/5
1
3
2
MMBT3906LT1
CASE 318–08, STYLE 6
SOT– 23 (TO–236AB)
MAXIMUM RATINGS
Rating Symbol Value Unit
Collector–Emitter V oltage V CEO – 40 Vdc
Collector–Base V oltage V CBO – 40 Vdc
Emitter–Base V oltage V EBO – 5.0 Vdc
Collector Current — Continuous I C– 200 mAdc
THERMAL CHARACTERISTICS
Characteristic Symbol Max Unit
Total Device Dissipation FR– 5 Board(1) P D225 mW
T A =25 °C
Derate above 25°C 1.8 mW/°C
Thermal Resistance Junction to Ambient R θJA 556 °C/W
Total Device Dissipation P D300 mW
Alumina Substrate, (2) T A = 25°C
Derate above 25°C 2.4 mW/°C
Thermal Resistance Junction to Ambient R θJA 417 °C/W
Junction and Storage Temperature T J , T stg
–55 to +150
°C
DEVICE MARKING
MMBT3906LT1 = 2A
ELECTRICAL CHARACTERISTICS (T A = 25°C unless otherwise noted)
Characteristic Symbol Mi n Max Unit
OFF CHARACTERISTICS
Collector–Emitter Breakdown Voltage (3) V (BR)CEO Vdc
(I C = –1.0 mAdc, I B = 0) – 40 —
Collector–Base Breakdown V oltage V (BR)CBO Vdc
(I C = –10 µAdc, I E = 0) – 40 —
Emitter–Base Breakdown Voltage V (BR)EBO Vdc
(I E = –10 µAdc, I C = 0) – 5.0 —
Base Cutoff Current I BL nAdc
(V CE = –30 Vdc, V EB = –3.0 Vdc) — – 50
Collector Cutoff Current I CEX nAdc
(V CE = –30 Vdc, V EB = –3.0 Vdc) — – 50
1. FR–5 = 1.0 x 0.75 x 0.062 in.
2. Alumina = 0.4 x 0.3 x 0.024 in. 99.5% alumina.
General Purpose Transistors
PNP Silicon
2
EMITTER
3
COLLECTOR
1
BASE
3. Pulse Width
<
300 µs; Duty Cycle
<
2.0%.
LESHAN RADIO COMPANY, LTD.
O12–2/5
MMBT3906LT1
ELECTRICAL CHARACTERISTICS (T A = 25°C unless otherwise noted) (Continued)
Characteristic Symbol Mi n Max Unit
ON CHARACTERISTICS (2)
DC Current Gain hFE ––
(I C = –0.1 mAdc, V CE = –1.0 Vdc) 60 ––
(I C = –1.0 mAdc, V CE = –1.0 Vdc) 80 ––
(I C = –10 mAdc, V CE = –1.0 Vdc) 100 300
(I C = –50 mAdc, V CE = –1.0 Vdc) 60 ––
(I C = –100 mAdc, V CE = –1.0 Vdc) 30 ––
Collector–Emitter Saturation V oltage VCE(sat) Vdc
(I C = –10 mAdc, I B = –1.0 mAdc) –– – 0.25
(I C = –50 mAdc, I B = –5.0 mAdc) –– – 0.4
Base–Emitter Saturation V oltage V BE(sat) Vdc
(I C = –10 mAdc, I B = –1.0 mAdc) – 0.65 – 0.85
(I C = –50 mAdc, I B = –5.0 mAdc) –– – 0.95
SMALL–SIGNAL CHARACTERISTICS
Current–Gain — Bandwidth Product f TMHz
(I C = –10 mAdc, V CE= –20 Vdc, f = 100 MHz) 250 ––
Output Capacitance C obo pF
(V CB= –5.0 Vdc, I E = 0, f = 1.0 MHz) –– 4.5
Input Capacitance C ibo pF
(V EB = –0.5 Vdc, I C = 0, f = 1.0 MHz) –– 10
Input Impedance h ie kΩ
(V CE= –10 Vdc, I C = –1.0 mAdc, f = 1.0 kHz) 2.0 12
V oltage Feedback Ratio h re X 10 –4
(V CE= –10 Vdc, I C = –1.0 mAdc, f = 1.0 kHz) 0.1 10
Small–Signal Current Gain h fe —
(V CE= –10 Vdc, I C = –1.0 mAdc, f = 1.0 kHz) 100 400
Output Admittance * h oe µmhos
(V CE= –10 Vdc, I C = –1.0 mAdc, f = 1.0 kHz) 3.0 60
Noise Figure NF dB
(V
CE
= –5.0Vdc, I
C
= –100 µAdc, R
S
=1.0 kΩ, f =1.0kHz)
–– 4.0
SWITCHING CHARACTERISTICS
Delay Time (V CC = – 3.0 Vdc, V BE = 0.5 Vdc, t d—35
Rise Time I C = –10 mAdc, I B1 = –1.0 mAdc) t d—35ns
Storage T ime (V CC = –3.0 Vdc, I C = –10 mAdc, t s— 225 ns
Fall T ime I B1 = I B2 = –1.0 mAdc) t f—75
3. Pulse Test: Pulse Width
<
300 µs; Duty Cycle
<
2.0%.
LESHAN RADIO COMPANY, LTD.
O12–3/5
Figure 1. Delay and Rise Time
Equivalent Test Circuit
*Total shunt capacitance of test jig and connectors
10 k
3 V
275
C S < 4.0 pF*
10 k
3 V
275
C S < 4.0 pF* 1N916
+ 0.5 V
10 < t 1 < 500 µs
DUTY CYCLE = 2% 10.9 V
<1ns
<1 ns
– 10.6 V t 1
+ 9.1 V
0
Figure 2. Storage and Fall Time
Equivalent Test Circuit
300ns
DUTY CYCLE = 2%
TYPICAL TRANSIENT CHARACTERISTICS
I C , COLLECTOR CURRENT (mA)
Figure 4. Charge Data
REVERSE BIAS (VOLTS)
Figure 3. Capacitance
V CC = 40 V
I C / I B = 10
Q
T
T
J
= 25°C
T
J
= 125°C
C
obo
C
ibo
Q
A
1.0 2.0 3.0 5.0 7.0 10 20 30 50 70 100 2000.1 0.2 0.3 0.5 0.7 1.0 2.0 3.0 5.0 7.0 10 20 30 40
10.0
7.0
5.0
3.0
2.0
1.0
5000
3000
2000
1000
700
500
300
200
100
70
50
Q, CHARGE (pC)
CAPACITANCE (pF)
I C , COLLECTOR CURRENT (mA)
Figure 6. Fall Time
I C , COLLECTOR CURRENT (mA)
Figure 5. Turn–On Time
TIME (ns)
t r , FALL TIME (ns)
V
CC
= 40 V
I
B1
= I
B2
t r @V CC=3.0V
40 V
I
C
/I
B
= 10
t d@V OB=0V 2.0 V
15 V
1.0 2.0 3.0 5.0 7.0 10 20 30 50 70 100 200
500
300
200
100
70
50
30
20
10
7
51.0 2.0 3.0 5.0 7.0 10 20 30 50 70 100 200
500
300
200
100
70
50
30
20
10
7
5
I
C
/I
B
= 10
I
C
/I
B
= 20
0
MMBT3906LT1
LESHAN RADIO COMPANY, LTD.
O12–4/5
SOURCE RESISTANCE= 200Ω
I
C
= 1.0 mA
TYPICAL AUDIO SMALL–SIGNAL CHARACTERISTICS
NOISE FIGURE VARIATIONS
(V CE = – 5.0 Vdc, T A = 25°C, Bandwidth = 1.0 Hz)
f, FREQUENCY (kHz)
Figure 7. Noise Figure R g, SOURCE RESISTANCE (kΩ)
Figure 8. Noise Figure
NF, NOISE FIGURE (dB)
NF, NOISE FIGURE (dB)
f = 1.0 kHz
I
C
= 0.5 mA
SOURCE RESISTANCE =1.0kΩ
I
C
= 50 µA
SOURCE RESISTANCE= 500Ω
I
C
= 100 µA
SOURCE RESISTANCE= 200 Ω
I
C
= 0.5 mA
I
C
= 1.0 mA
I
C
= 100 µA
I
C
= 50 µA
0.1 0.2 0.4 1.0 2.0 4.0 10 20 40 100
12
10
8
6
4
2
0
0.1 0.2 0.4 1.0 2.0 4.0 10 20 40 100
14
12
10
8
6
4
2
0
h re, VOLTAGE FEEDBACK RATIO (X 10 –4 )
h PARAMETERS
(V CE = 10 Vdc, f = 1.0 kHz, T A = 25°C)
I C , COLLECTOR CURRENT (mA)
Figure 9. Current Gain I C , COLLECTOR CURRENT (mA)
Figure 10. Output Admittance
I C , COLLECTOR CURRENT (mA)
Figure 11. Input Impedance I C , COLLECTOR CURRENT (mA)
Figure 12. Voltage Feedback Ratio
h fe, DC CURRENT GAIN
h oe , OUTPUT ADMITTANCE ( µmhos)
h ie, INPUT IMPEDANCE (kΩ)
0.1 0.2 0.3 0.5 1.0 2.0 3.0 5.0 10
300
200
100
70
50
30 0.1 0.2 0.3 0.5 1.0 2.0 3.0 5.0 10
0.1 0.2 0.3 0.5 1.0 2.0 3.0 5.0 10 0.1 0.2 0.3 0.5 1.0 2.0 3.0 5.0 10
20
10
5.0
2.0
1.0
0.5
0.2
100
50
20
10
5
2
1
10
7.0
5.0
3.0
2.0
1.0
0.7
0.5
MMBT3906LT1
LESHAN RADIO COMPANY, LTD.
O12–5/5
TYPICAL STATIC CHARACTERISTICS
I B , BASE CURRENT (mA)
Figure 14. Collector Saturation Region
I C , COLLECTOR CURRENT (mA)
Figure 13. DC Current Gain
I C , COLLECTOR CURRENT (mA)
Figure 16. Temperature Coefficients
C , COLLECTOR CURRENT (mA)
Figure 15. “ON” Voltages
h FE , DC CURRENT GAIN (NORMALIZED)
V CE, COLLECT OR EMITTER VOLTAGE (VOLTS)
V, VOLTAGE ( VOLTS )
COEFFICIENT (mV/ °C)
I C=1.0 mA
T J = 25°C
+25°C TO +125°C
θ VC for V CE(sat)
T J = +125°C V CE = 1.0 V
+25°C
–55°C
10 mA
T J = 25°C
30 mA 100 mA
V
BE(sat)
@ I
C
/I
B
=10
V
CE(sat)
@ I
C
/I
B
=10
V
BE
@ V
CE
=1.0 V
–55°C TO +25°C
+25°C TO +125°C
–55°C TO +25°C
θ VB for V BE(sat)
0.1 0.2 0.3 0.5 0.7 1.0 2.0 3.0 5.0 7.0 10 20 30 50 70 100 200
2.0
1.0
0.7
0.5
0.3
0.2
0.1
0.01 0.02 0.03 0.05 0.07 0.1 0.2 0.3 0.5 0.7 1.0 2.0 3.0 5.0 7.0 10
1.0
0.8
0.6
0.4
0.2
0
1.0 2.0 5.0 10 20 50 100 200
1.2
1.0
0.8
0.6
0.4
0.2
00 20 40 60 80 100 120 140 160 180 200
1.0
0.5
0
– 0.5
–1.0
–1.5
–2.0
MMBT3906LT1
