MMBT3904LT1
Preferred Device
General Purpose Transistor
NPN Silicon
Features
• Pb−Free Packages are Available
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MAXIMUM RATINGS
Rating Symbol Value Unit
Collector−Emitter Voltage V
Collector−Base Voltage V
Emitter−Base Voltage V
Collector Current − Continuous I
THERMAL CHARACTERISTICS
Characteristic Symbol Max Unit
Total Device Dissipation FR−5 Board
(Note 1) TA = 25°C
Derate above 25°C
Thermal Resistance Junction to Ambient R
Total Device Dissipation
Alumina Substrate, (Note 2) TA = 25°C
Derate above 25°C
Thermal Resistance Junction−to−Ambient R
Junction and Storage Temperature TJ, T
1. FR−5 = 1.0 0.75 0.062 in.
2. Alumina = 0.4 0.3 0.024 in. 99.5% alumina.
CEO
CBO
EBO
C
P
D
JA
P
D
JA
stg
40 Vdc
60 Vdc
6.0 Vdc
200 mAdc
225
1.8mWmW/°C
556 °C/W
300
2.4mWmW/°C
417 °C/W
−55 to
+150
°C
COLLECTOR
3
1
BASE
2
EMITTER
MARKING
DIAGRAM
3
1
2
SOT−23 (TO−236)
CASE 318
1AM
Style 6
1AM = Specific Device Code
ORDERING INFORMATION
Device Package Shipping
MMBT3904LT1 SOT−23 3000 / Tape & Reel
MMBT3904LT1G SOT−23
MMBT3904LT3 SOT−23 10000 / Tape & Reel
MMBT3904LT3G SOT−23 10000 / Tape & Reel
3000 / Tape & Reel
†
Semiconductor Components Industries, LLC, 2004
February, 2004 − Rev. 5
†For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specifications
Brochure, BRD8011/D.
Preferred devices are recommended choices for future use
and best overall value.
1 Publication Order Number:
MMBT3904LT1/D
MMBT3904LT1
ELECTRICAL CHARACTERISTICS (T
Characteristic
= 25°C unless otherwise noted)
A
Symbol Min Max Unit
OFF CHARACTERISTICS
Collector−Emitter Breakdown Voltage (IC = 1.0 mAdc, IB = 0) V
Collector−Base Breakdown Voltage (IC = 10 Adc, IE = 0) V
Emitter−Base Breakdown Voltage (IE = 10 Adc, IC = 0) V
(BR)CEO
(BR)CBO
(BR)EBO
Base Cutoff Current (VCE = 30 Vdc, VEB = 3.0 Vdc) I
Collector Cutoff Current (VCE = 30 Vdc, VEB = 3.0 Vdc) I
BL
CEX
40 − Vdc
60 − Vdc
6.0 − Vdc
− 50 nAdc
− 50 nAdc
ON CHARACTERISTICS (Note 3)
DC Current Gain
(IC = 0.1 mAdc, VCE = 1.0 Vdc)
= 1.0 mAdc, VCE = 1.0 Vdc)
(I
C
(I
= 10 mAdc, VCE = 1.0 Vdc)
C
(I
= 50 mAdc, VCE = 1.0 Vdc)
C
(IC = 100 mAdc, VCE = 1.0 Vdc)
Collector−Emitter Saturation Voltage
(IC = 10 mAdc, IB = 1.0 mAdc)
(I
= 50 mAdc, IB = 5.0 mAdc)
C
Base−Emitter Saturation Voltage
(IC = 10 mAdc, IB = 1.0 mAdc)
(I
= 50 mAdc, IB = 5.0 mAdc)
C
H
V
CE(sat)
V
BE(sat)
FE
40
70
100
60
30
−
−
0.65
−
−
−
300
−
−
0.2
0.3
0.85
0.95
SMALL−SIGNAL CHARACTERISTICS
Current−Gain − Bandwidth Product (I
= 10 mAdc, VCE = 20 Vdc, f = 100 MHz) f
C
Output Capacitance (VCB = 5.0 Vdc, IE = 0, f = 1.0 MHz) C
Input Capacitance (VEB = 0.5 Vdc, IC = 0, f = 1.0 MHz) C
Input Impedance (VCE = 10 Vdc, IC = 1.0 mAdc, f = 1.0 kHz) h
Voltage Feedback Ratio (VCE = 10 Vdc, IC = 1.0 mAdc, f = 1.0 kHz) h
Small−Signal Current Gain (VCE = 10 Vdc, IC = 1.0 mAdc, f = 1.0 kHz) h
Output Admittance (VCE = 10 Vdc, IC = 1.0 mAdc, f = 1.0 kHz) h
T
obo
ibo
ie
re
fe
oe
300 − MHz
− 4.0 pF
− 8.0 pF
1.0 10 k ohms
0.5 8.0 X 10
100 400 −
1.0 40 mhos
Noise Figure (VCE = 5.0 Vdc, IC = 100 Adc, RS = 1.0 k ohms, f = 1.0 kHz) NF − 5.0 dB
SWITCHING CHARACTERISTICS
Delay Time
Rise Time
Storage Time
Fall Time
V
= 3.0 Vdc, V
= 3.0
= −0.5 Vdc,
= −0.5
IC = 10 mAdc, IB1 = 1.0 mAdc)
V
= 3.0 Vdc,
= 3.0
,
IC = 10 mAdc, IB1 = IB2 = 1.0 mAdc)
t
,
d
t
r
t
s
t
f
− 35
− 35
− 200
− 50
3. Pulse Test: Pulse Width 300 s, Duty Cycle 2.0%.
−
Vdc
Vdc
−4
ns
ns
DUTY CYCLE = 2%
300 ns
−0.5 V
+10.9 V
< 1 ns
10 k
+3 V
275
C
S
< 4 pF*
10 < t
< 500 s
1
DUTY CYCLE = 2%
0
−9.1 V′
t
1
+10.9 V
10 k
1N916
< 1 ns
+3 V
275
C
< 4 pF*
S
* Total shunt capacitance of test jig and connectors
Figure 1. Delay and Rise Time
Equivalent Test Circuit
Figure 2. Storage and Fall Time
Equivalent Test Circuit
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2
10
7.0
5.0
3.0
CAPACITANCE (pF)
2.0
1.0
0.1
C
0.2 0.3 0.5 0.7
1.0 2.0 3.0 5.0 7.0 10 20
REVERSE BIAS VOLTAGE (VOLTS)
MMBT3904LT1
TYPICAL TRANSIENT CHARACTERISTICS
T
= 25°C
J
T
= 125°C
J
5000
3000
2000
1000
ibo
C
obo
30 40
700
500
300
Q, CHARGE (pC)
200
100
70
50
1.0
VCC = 40 V
I
= 10
C/IB
Q
T
Q
A
2.0 3.0 5.0 7.0 10 20 30 50 70 100 200
IC, COLLECTOR CURRENT (mA)
Figure 3. Capacitance
500
300
200
100
70
50
30
TIME (ns)
20
10
7
1.0 2.0 3.0 10 20
5.0 7.0 30 50
IC, COLLECTOR CURRENT (mA)
Figure 5. Turn−On Time
500
300
IC/IB = 20
200
100
70
50
30
20
′
s
t , STORAGE TIME (ns)
10
7
1.0 2.0 3.0 10 20
IC/IB = 10
5.0 7.0 30 50
IC, COLLECTOR CURRENT (mA)
td @ VOB = 0 V
IC/IB = 10
tr @ VCC = 3.0 V
40 V
15 V
2.0 V
705100
t′
= ts − 1/8 t
s
I
= I
B1
B2
IC/IB = 20
IC/IB = 10
705100
Figure 4. Charge Data
500
300
200
VCC = 40 V
I
= 10
C/IB
100
70
50
30
r
20
t , RISE TIME (ns)
10
7
200
1.0 2.0 3.0 10 20
5.0 7.0 30 50
705100
200
IC, COLLECTOR CURRENT (mA)
Figure 6. Rise Time
500
f
300
200
IC/IB = 20
100
70
50
30
f
t , FALL TIME (ns)
20
IC/IB = 10
10
7
200
1.0 2.0 3.0 10 20
5.0 7.0
30 50
IC, COLLECTOR CURRENT (mA)
VCC = 40 V
I
= I
B1
B2
705100
200
Figure 7. Storage Time
Figure 8. Fall Time
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3