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2N3904
SMALL SIGNAL TRANSISTORS (NPN)
TO-92 FEATURES
0.181 (4.6) 0.142 (3.6)
¨ NPN Silicon Epitaxial Planar Transistor for
min. 0.492 (12.5) 0.181 (4.6)
switching and amplifier applications.
¨ As complementary type, the PNP transistor
2N3906 is recommended.
¨ On special request, this transistor is also
manufactured in the pin configuration
TO-18.
¨ This transistor is also available in the SOT-23 case
max. Æ 0.022 (0.55)
with the type designation MMBT3904.
0.098 (2.5)
E C
MECHANICAL DATA
Case: TO-92 Plastic Package
B Weight: approx. 0.18g
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25¡C ambient temperature unless otherwise specified
SYMBOL VALUE UNIT
Collector-Base Voltage VCBO 60 V
Collector-Emitter Voltage VCEO 40 V
Emitter-Base Voltage VEBO 6.0 V
Collector Current IC 200 mA
Power Dissipation at TA = 25¡C Ptot 625 mW
at TC = 25¡C 1.5 W
Thermal Resistance Junction to Ambient Air RqJA 250 (1) ¡C/W
Junction Temperature Tj 150 ¡C
Storage Temperature Range TS Ð 65 to +150 ¡C
NOTES:
(1) Valid provided that leads are kept at ambient temperature.
1/5/99
2N3904
ELECTRICAL CHARACTERISTICS
Ratings at 25¡C ambient temperature unless otherwise specified
SYMBOL MIN. MAX. UNIT
Collector-Base Breakdown Voltage
at IC = 10 mA, IE = 0 V(BR)CBO 60 Ð V
Collector-Emitter Breakdown Voltage
at IC = 1 mA, IB = 0 V(BR)CEO 40 Ð V
Emitter-Base Breakdown Voltage
at IE = 10 mA, IC = 0 V(BR)EBO 6 Ð V
Collector Saturation Voltage
at IC = 10 mA, IB = 1 mA VCEsat Ð 0.2 V
at IC = 50 mA, IB = 5 mA VCEsat Ð 0.3 V
Base Saturation Voltage
at IC = 10 mA, IB = 1 mA VBEsat Ð 0.85 V
at IC = 50 mA, IB = 5 mA VBEsat Ð 0.95 V
Collector-Emitter Cutoff Current
VEB = 3 V, VCE = 30 V ICEV Ð 50 nA
Emitter-Base Cutoff Current
VEB = 3 V, VCE = 30 V IEBV Ð 50 nA
DC Current Gain
at VCE = 1 V, IC = 0.1 mA hFE 40 Ð Ð
at VCE = 1 V, IC = 1 mA hFE 70 Ð Ð
at VCE = 1 V, IC = 10 mA hFE 100 300 Ð
at VCE = 1 V, IC = 50 mA hFE 60 Ð Ð
at VCE = 1 V, IC = 100 mA hFE 30 Ð Ð
Input Impedance
at VCE = 10 V, IC = 1 mA, f = 1 kHz hie 1 10 kW
Voltage Feedback Ratio
at VCE = 10 V, IC = 1 mA, f = 1 kHz hre 0.5 á 10Ð4 8 á 10Ð4 Ð
Gain-Bandwidth Product
at VCE = 20 V, IC = 10 mA, f = 100 MHz fT 300 Ð MHz
Collector-Base Capacitance
at VCB = 5 V, f = 100 kHz CCBO Ð 4 pF
Emitter-Base Capacitance
at VEB = 0.5 V, f = 100 kHz CEBO Ð 8 pF
2N3904
ELECTRICAL CHARACTERISTICS
Ratings at 25¡C ambient temperature unless otherwise specified
SYMBOL MIN. MAX. UNIT
Small Signal Current Gain
at VCE = 10 V, IC = 1 mA, f = 1 kHz hfe 100 400 Ð
Output Admittance
at VCE = 1 V, IC = 1 mA, f = 1 kHz hoe 1 40 mS
Noise Figure
at VCE = 5 V, IC = 100 mA, RG = 1 kW,
f = 10 É 15000 Hz NF Ð 5 dB
Delay Time (see Fig. 1)
at IB1 = 1 mA, IC = 10 mA td Ð 35 ns
Rise Time (see Fig. 1)
at IB1 = 1 mA, IC = 10 mA tr Ð 35 ns
Storage Time (see Fig. 2)
at ÐIB1 = IB2 = 1 mA, IC = 10 mA ts Ð 200 ns
Fall Time (see Fig. 2)
at ÐIB1 = IB2 = 1 mA, IC = 10 mA tf Ð 50 ns
Fig. 1: Test circuit for delay and rise time Fig. 2: Test circuit for storage and fall time
* total shunt capacitance of test jig and connectors * total shunt capacitance of test jig and connectors
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