2N3903, 2N3904

2N3903 is a Preferred Device

General Purpose
Transistors
NPN Silicon

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COLLECTOR
3
MAXIMUM RATINGS
Rating Symbol Value Unit 2
Collector–Emitter Voltage VCEO 40 Vdc BASE

Collector–Base Voltage VCBO 60 Vdc

1
Emitter–Base Voltage VEBO 6.0 Vdc
EMITTER
Collector Current – Continuous IC 200 mAdc
STYLE 1
Total Device Dissipation PD
@ TA = 25°C 625 mW
Derate above 25°C 5.0 mW/°C
TO–92
Total Device Dissipation PD
CASE 29
@ TC = 25°C 1.5 Watts 1 STYLE 1
Derate above 25°C 12 mW/°C 2
3
Operating and Storage Junction TJ, Tstg –55 to °C
Temperature Range +150
MARKING DIAGRAMS

THERMAL CHARACTERISTICS (Note 1.)

2N 2N
Characteristic Symbol Max Unit 3903 3904
Thermal Resistance, RθJA 200 °C/W YWW YWW
Junction to Ambient
Thermal Resistance, RθJC 83.3 °C/W
Junction to Case
Y = Year
1. Indicates Data in addition to JEDEC Requirements. WW = Work Week

ORDERING INFORMATION

Device Package Shipping

2N3903 TO–92 5000 Units/Box

2N3903RLRM TO–92 2000/Ammo Pack

2N3904 TO–92 5000 Units/Box

2N3904RLRA TO–92 2000/Tape & Reel

2N3904RLRE TO–92 2000/Tape & Reel

2N3904RLRM TO–92 2000/Ammo Pack

2N3904RLRP TO–92 2000/Ammo Pack

2N3904RL1 TO–92 2000/Tape & Reel

2N3904ZL1 TO–92 2000/Ammo Pack

Preferred devices are recommended choices for future use

and best overall value.

 Semiconductor Components Industries, LLC, 2001 1 Publication Order Number:

November, 2000 – Rev. 3 2N3903/D
 2N3903, 2N3904

ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted)

Characteristic Symbol Min Max Unit

OFF CHARACTERISTICS
Collector–Emitter Breakdown Voltage (Note 2.) (IC = 1.0 mAdc, IB = 0) V(BR)CEO 40 – Vdc
Collector–Base Breakdown Voltage (IC = 10 Adc, IE = 0) V(BR)CBO 60 – Vdc
Emitter–Base Breakdown Voltage (IE = 10 Adc, IC = 0) V(BR)EBO 6.0 – Vdc
Base Cutoff Current (VCE = 30 Vdc, VEB = 3.0 Vdc) IBL – 50 nAdc
Collector Cutoff Current (VCE = 30 Vdc, VEB = 3.0 Vdc) ICEX – 50 nAdc

ON CHARACTERISTICS
DC Current Gain (Note 2.) hFE –
(IC = 0.1 mAdc, VCE = 1.0 Vdc) 2N3903 20 –
2N3904 40 –
(IC = 1.0 mAdc, VCE = 1.0 Vdc) 2N3903 35 –
2N3904 70 –
(IC = 10 mAdc, VCE = 1.0 Vdc) 2N3903 50 150
2N3904 100 300
(IC = 50 mAdc, VCE = 1.0 Vdc) 2N3903 30 –
2N3904 60 –
(IC = 100 mAdc, VCE = 1.0 Vdc) 2N3903 15 –
2N3904 30 –
Collector–Emitter Saturation Voltage (Note 2.) VCE(sat) Vdc
(IC = 10 mAdc, IB = 1.0 mAdc) – 0.2
(IC = 50 mAdc, IB = 5.0 mAdc – 0.3
Base–Emitter Saturation Voltage (Note 2.) VBE(sat) Vdc
(IC = 10 mAdc, IB = 1.0 mAdc) 0.65 0.85
(IC = 50 mAdc, IB = 5.0 mAdc) – 0.95

SMALL–SIGNAL CHARACTERISTICS
Current–Gain – Bandwidth Product fT MHz
(IC = 10 mAdc, VCE = 20 Vdc, f = 100 MHz) 2N3903 250 –
2N3904 300 –
Output Capacitance (VCB = 5.0 Vdc, IE = 0, f = 1.0 MHz) Cobo – 4.0 pF
Input Capacitance (VEB = 0.5 Vdc, IC = 0, f = 1.0 MHz) Cibo – 8.0 pF
Input Impedance hie kΩ
(IC = 1.0 mAdc, VCE = 10 Vdc, f = 1.0 kHz) 2N3903 1.0 8.0
2N3904 1.0 10
Voltage Feedback Ratio hre X 10–4
(IC = 1.0 mAdc, VCE = 10 Vdc, f = 1.0 kHz) 2N3903 0.1 5.0
2N3904 0.5 8.0
Small–Signal Current Gain hfe –
(IC = 1.0 mAdc, VCE = 10 Vdc, f = 1.0 kHz) 2N3903 50 200
2N3904 100 400
Output Admittance (IC = 1.0 mAdc, VCE = 10 Vdc, f = 1.0 kHz) hoe 1.0 40 mhos
Noise Figure NF dB
(IC = 100 Adc, VCE = 5.0 Vdc, RS = 1.0 k Ω, f = 1.0 kHz) 2N3903 – 6.0
2N3904 – 5.0

SWITCHING CHARACTERISTICS
Delay Time (VCC = 3.0 Vdc, VBE = 0.5 Vdc, td – 35 ns
Rise Time IC = 10 mAdc, IB1 = 1.0 mAdc) tr – 35 ns
Storage Time (VCC = 3.0 Vdc, IC = 10 mAdc, 2N3903 ts – 175 ns
IB1 = IB2 = 1.0 mAdc) 2N3904 – 200
Fall Time tf – 50 ns
2. Pulse Test: Pulse Width
300 s; Duty Cycle
2%.

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 2N3903, 2N3904

+3 V +3 V
DUTY CYCLE = 2% 10 < t1 < 500 s t1
300 ns +10.9 V
+10.9 V DUTY CYCLE = 2%
275 275

10 k 10 k
0
-
0.5 V
< 1 ns CS < 4 pF* 1N916 CS < 4 pF*

-
9.1 V′
< 1 ns

* Total shunt capacitance of test jig and connectors

Figure 1. Delay and Rise Time Figure 2. Storage and Fall Time
Equivalent Test Circuit Equivalent Test Circuit

TYPICAL TRANSIENT CHARACTERISTICS

TJ = 25°C
TJ = 125°C

10 5000
VCC = 40 V
3000
7.0 IC/IB = 10
2000
5.0
CAPACITANCE (pF)

Q, CHARGE (pC)

1000
700
Cibo
3.0 500

300 QT
2.0 Cobo 200
QA
100
70
1.0 50
0.1 0.2 0.3 0.5 0.7 1.0 2.0 3.0 5.0 7.0 10 20 30 40 1.0 2.0 3.0 5.0 7.0 10 20 30 50 70 100 200
REVERSE BIAS VOLTAGE (VOLTS) IC, COLLECTOR CURRENT (mA)

Figure 3. Capacitance Figure 4. Charge Data

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 2N3903, 2N3904

500 500
IC/IB = 10 VCC = 40 V
300 300
IC/IB = 10
200 200

100 100

t r, RISE TIME (ns)

70 tr @ VCC = 3.0 V 70
TIME (ns)

50 50

30 30
40 V
20 20
15 V
10 10
7 td @ VOB = 0 V 2.0 V 7
5 5
1.0 2.0 3.0 5.0 7.0 10 20 30 50 70 100 200 1.0 2.0 3.0 5.0 7.0 10 20 30 50 70 100 200
IC, COLLECTOR CURRENT (mA) IC, COLLECTOR CURRENT (mA)
Figure 5. Turn–On Time Figure 6. Rise Time

500 500
t′s = ts - 1/8 tf VCC = 40 V
300 IB1 = IB2 300
IC/IB = 20 IC/IB = 10 IB1 = IB2
200 200
IC/IB = 20
t s′ , STORAGE TIME (ns)

t f , FALL TIME (ns)

100 100
70 70
50 IC/IB = 20 50
IC/IB = 10 IC/IB = 10
30 30
20 20

10 10
7 7
5 5
1.0 2.0 3.0 5.0 7.0 10 20 30 50 70 100 200 1.0 2.0 3.0 5.0 7.0 10 20 30 50 70 100 200
IC, COLLECTOR CURRENT (mA) IC, COLLECTOR CURRENT (mA)

Figure 7. Storage Time Figure 8. Fall Time

TYPICAL AUDIO SMALL–SIGNAL CHARACTERISTICS

NOISE FIGURE VARIATIONS
(VCE = 5.0 Vdc, TA = 25°C, Bandwidth = 1.0 Hz)

12 14
SOURCE RESISTANCE = 200
f = 1.0 kHz IC = 1.0 mA
IC = 1.0 mA 12
10
NF, NOISE FIGURE (dB)

NF, NOISE FIGURE (dB)

10 IC = 0.5 mA
8 SOURCE RESISTANCE = 200

IC = 0.5 mA IC = 50 A
8
6 SOURCE RESISTANCE = 1.0 k IC = 100 A
IC = 50 A 6
4
4

2 SOURCE RESISTANCE = 500
2

IC = 100 A
0 0
0.1 0.2 0.4 1.0 2.0 4.0 10 20 40 100 0.1 0.2 0.4 1.0 2.0 4.0 10 20 40 100
f, FREQUENCY (kHz) RS, SOURCE RESISTANCE (k OHMS)

Figure 9. Figure 10.

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 2N3903, 2N3904

h PARAMETERS
(VCE = 10 Vdc, f = 1.0 kHz, TA = 25°C)

300 100

hoe, OUTPUT ADMITTANCE ( mhos)

50

200
h fe , CURRENT GAIN

20

10
100

70 5

50
2

30 1
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
IC, COLLECTOR CURRENT (mA) IC, COLLECTOR CURRENT (mA)

Figure 11. Current Gain Figure 12. Output Admittance

20 10
h re , VOLTAGE FEEDBACK RATIO (X 10 -4 ) 7.0
h ie , INPUT IMPEDANCE (k OHMS)

10
5.0
5.0
3.0

2.0 2.0

1.0
1.0
0.5
0.7

0.2 0.5
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
IC, COLLECTOR CURRENT (mA) IC, COLLECTOR CURRENT (mA)

Figure 13. Input Impedance Figure 14. Voltage Feedback Ratio

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 2N3903, 2N3904

TYPICAL STATIC CHARACTERISTICS

2.0
h FE, DC CURRENT GAIN (NORMALIZED)

TJ = +125°C VCE = 1.0 V

1.0 +25°C

0.7
0.5 -
55°C

0.3

0.2

0.1
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
IC, COLLECTOR CURRENT (mA)

Figure 15. DC Current Gain

VCE, COLLECTOR EMITTER VOLTAGE (VOLTS)

1.0
TJ = 25°C
0.8
IC = 1.0 mA 10 mA 30 mA 100 mA

0.6

0.4

0.2

0
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
IB, BASE CURRENT (mA)

Figure 16. Collector Saturation Region

1.2 1.0
TJ = 25°C
1.0 VBE(sat) @ IC/IB =10 0.5 +25°C TO +125°C
VC FOR VCE(sat)
COEFFICIENT (mV/ °C)
V, VOLTAGE (VOLTS)

0.8 0 -
55°C TO +25°C

VBE @ VCE =1.0 V
0.6 -
0.5
-
55°C TO +25°C
0.4 -
1.0
VCE(sat) @ IC/IB =10 +25°C TO +125°C
0.2 -
1.5 VB FOR VBE(sat)

0 -
2.0
1.0 2.0 5.0 10 20 50 100 200 0 20 40 60 80 100 120 140 160 180 200
IC, COLLECTOR CURRENT (mA) IC, COLLECTOR CURRENT (mA)

Figure 17. “ON” Voltages Figure 18. Temperature Coefficients

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 2N3903, 2N3904

PACKAGE DIMENSIONS

TO–92
TO–226AA
CASE 29–11
ISSUE AL NOTES:
A B 1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. CONTOUR OF PACKAGE BEYOND DIMENSION R
R IS UNCONTROLLED.
4. LEAD DIMENSION IS UNCONTROLLED IN P AND
P BEYOND DIMENSION K MINIMUM.
L
SEATING INCHES MILLIMETERS
PLANE K DIM MIN MAX MIN MAX
A 0.175 0.205 4.45 5.20
B 0.170 0.210 4.32 5.33
C 0.125 0.165 3.18 4.19
D 0.016 0.021 0.407 0.533
X X D G 0.045 0.055 1.15 1.39
G H 0.095 0.105 2.42 2.66
J 0.015 0.020 0.39 0.50
H J K 0.500 --- 12.70 ---
L 0.250 --- 6.35 ---
V C N 0.080 0.105 2.04 2.66
P --- 0.100 --- 2.54
SECTION X–X R 0.115 --- 2.93 ---
1 N V 0.135 --- 3.43 ---
N STYLE 1: STYLE 14:
PIN 1. EMITTER PIN 1. EMITTER
2. BASE 2. COLLECTOR
3. COLLECTOR 3. BASE

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 2N3903, 2N3904

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without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular
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including without limitation special, consequential or incidental damages. “Typical” parameters which may be provided in SCILLC data sheets and/or
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