MMBT3904
Taiwan Semiconductor
1 Version: E2001
300mW, NPN Small Signal Transistor
FEATURES
● Low power loss, high efficiency
● Ideal for automated placement
● High surge current capability
● Moisture sensitivity level: level 1, per J-STD-020
● RoHS Compliant
● Halogen-free according to IEC 61249-2-21
APPLICATIONS
● Switching mode power supply (SMPS)
● Adapters
● Lighting application
● On-board DC/DC converter
MECHANICAL DATA
● Case: SOT-23
● Molding compound meets UL 94 V-0 flammability rating
● Terminal: Matte tin plated leads, solderable per J-STD-002
● Meet JESD 201 class 1A whisker test
● Weight: 8 mg (approximately)
KEY PARAMETERS
PARAMETER VALUE UNIT
VCBO 60 V
VCEO 40 V
VEBO 6 V
IC 200 mA
hFE 400
Package SOT-23
Configuration Single die
ABSOLUTE MAXIMUM RATINGS
(TA = 25°C unless otherwise noted)
PARAMETER
SYMBOL
MMBT3904
UNIT
Marking code on the device 1AM
Collector-base voltage VCBO 60 V
Collector-emitter voltage VCEO 40 V
Emitter-base voltage VEBO 6 V
Collector current IC 200 mA
Power dissipation PD 300 mW
Junction temperature TJ -55 to +150 °C
Storage temperature TSTG -55 to +150 °C
MMBT3904
Taiwan Semiconductor
2 Version: E2001
ELECTRICAL SPECIFICATIONS
(TA = 25°C unless otherwise noted)
PARAMETER CONDITIONS SYMBOL MIN TYP MAX UNIT
Collector-base breakdown
voltage IC = 10 μA, IE = 0 V(BR)CBO 60 - - V
Collector-emitter breakdown
voltage IC = 1 mA, IB = 0 V(BR)CEO 40 - - V
Emitter-base breakdown
voltage IE = 10 μA, IC = 0 V(BR)EBO 6 - - V
Collector cutoff current VCB = 60 V, IE = 0 ICBO - - 0.1 µA
Collector cutoff current VCE = 30 V, VBE(OFF) = 3 V ICEO - - 50 nA
Emitter cutoff current VEB = 5 V, IC = 0 IEBO - - 0.1 µA
DC current gain
VCE = 1 V, IC = 10 mA
hFE
100 - 400
VCE = 1 V, IC = 50 mA 60 - -
VCE = 1 V, IC = 100 mA 30 - -
Collector-emitter saturation
voltage IC = 50 mA, IB = 5 mA VCE(sat) - - 0.30 V
Base-emitter saturation
voltage IC = 50 mA, IB = 5 mA VBE(sat) - - 0.95 V
Transition frequency VCE = 20 V , IC = 10 mA,
f= 100MHz fT 250 - - MHz
Delay time VCC=3V,VBE=0.5V,
IC=10mA, IB1=1mA
td - - 35 ns
Rise time tr - - 35 ns
Storage time VCC=3V,IB1=IB2=1mA,
IC=10mA
ts - - 200 ns
Fall time tf - - 50 ns
ORDERING INFORMATION
ORDERING CODE PACKAGE PACKING
MMBT3904 RF SOT-23 3K / 7" Reel
MMBT3904 RFG SOT-23 3K / 7" Reel
MMBT3904 R5 SOT-23 10K / 13" Reel
MMBT3904 R5G SOT-23 10K / 13" Reel
MMBT3904-D0 RF SOT-23 3K / 7" Reel
MMBT3904-D0 RFG SOT-23 3K / 7" Reel
MMBT3904-D0 R5 SOT-23 10K / 13" Reel
MMBT3904-D0 R5G SOT-23 10K / 13" Reel
MMBT3904-B0 RF SOT-23 3K / 7" Reel
MMBT3904-B0 RFG SOT-23 3K / 7" Reel
MMBT3904-B0 R5 SOT-23 10K / 13" Reel
MMBT3904-B0 R5G SOT-23 10K / 13" Reel
MMBT3904
Taiwan Semiconductor
3 Version: E2001
CHARACTERISTICS CURVES
(TA = 25°C unless otherwise noted)
Fig. 1 Typical Pulsed Current Gain
VS. Collector Current
Fig.2 Collector-Emitter Saturation Voltage
VS. Collector Current
Fig.3 Base-Emitter Saturation Voltage
VS. Collector Current
Fig.4 Base-Emitter On Voltage
VS. Collector Current
0
100
200
300
400
500
0.1 1.0 10.0 100.0
V
CE
= 5V
125 °C
25 °C
- 40 °C
0.00
0.05
0.10
0.15
0.20
0 1 10 100
β = 10
125 °C
25 °C
- 40 °C
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
1.1
0.1 1 10 100
β = 10
125 °C
25 °C
-40 °C
0.2
0.4
0.6
0.8
1
0.1 1 10 100
VCE= 5V
125 °C
25 °C
-40 °C
V CESAT- Collector-Emitter Voltage (V)
I
C
- Collector Current (mA)
VBESAT - Base-Emitter Voltage (V)
IC - Collector Current (mA)
V BE(ON) - Base-Emitter On Voltage (V)
IC, Collector Current (mA)
IC - Collector Current (mA)
hFE - Typical Pulsed Current Gain
MMBT3904
Taiwan Semiconductor
4 Version: E2001
CHARACTERISTICS CURVES
(TA = 25°C unless otherwise noted)
Fig. 5 Collector-Cutoff Current
VS. Ambient Temperature
Fig. 6 Capacitance VS. Reverse Bias Voltage
0.01
0.1
1
10
100
1000
25 50 75 100 125 150
VCB= 30V
1
10
0.1 1 10 100
f = 1.0 MHz
Cibo
Cobo
TA - Ambient Temperature (OC)
ICBO-Collector Current (nA)
Capacitance (pF)
Reverse Bias Voltage (V)
MMBT3904
Taiwan Semiconductor
5 Version: E2001
PACKAGE OUTLINE DIMENSION
SOT-23
SUGGESTED PAD LAYOUT
MMBT3904
Taiwan Semiconductor
6 Version: E2001
Notice
Specifications of the products displayed herein are subject to change without notice. TSC or anyone on its behalf,
assumes no responsibility or liability for any errors or inaccuracies.
Purchasers are solely responsible for the choice, selection, and use of TSC products and TSC assumes no liability
for application assistance or the design of Purchasers’ products.
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relating to sale and/or use of TSC products including liability or warranties relating to fitness for a particular purpose,
merchantability, or infringement of any patent, copyright, or other intellectual property right.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications.
Customers using or selling these products for use in such applications do so at their own risk and agree to fully
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