MMBT3904
Document number: DS30036 Rev. 20 - 2 1 of 7
www.diodes.com August 2012
© Diodes Incorporated
MMBT3904
40V NPN SMALL SIGNAL SURFACE MOUNT TRANSISTOR
Features
Epitaxial Planar Die Construction
Complementary PNP Type Available (MMBT3906)
Ideal for Medium Power Amplification and Switching
Totally Lead-Free & Fully RoHS compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
Qualified to AEC-Q101 Standards for High Reliability
PPAP capable (Note 4)
Mechanical Data
Case: SOT23
Case Material: molded plastic, “Green” molding compound
UL Flammability Classification Rating 94V-0
Moisture Sensitivity: Level 1 per J-STD-020
Terminals: Finish – Matte Tin Plated Leads, Solderable per
MIL-STD-202, Method 208
Weight: 0.008 grams (approximate)
Ordering Information (Notes 4 & 5)
Product Compliance Marking Reel size (inches) Tape width (mm) Quantity per reel
MMBT3904-7-F AEC-Q101 K1N / C1N 7 8 3,000
MMBT3904Q-7-F Automotive K1N 7 8 3,000
MMBT3904-13-F AEC-Q101 K1N / C1N 13 8 10.000
Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com for more information about Diodes Incorporated’s definitions of Halogen and Antimony free,"Green" and Lead-Free.
3. Halogen and Antimony free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.
4. Automotive products are AEC-Q101 qualified and are PPAP capable. Automotive, AEC-Q101 and standard products are electrically and thermally
the same, except where specified.
5. For packaging details, go to our website at http://www.diodes.com
Marking Information
Date Code Key
Year 2010 2011 2012 2013 2014 2015 2016 2017
Code X Y Z A B C D E
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Code 1 2 3 4 5 6 7 8 9 O N D
Top View
SOT23
Device Symbol Top View
Pin-Out
C
B
E
K = SAT (Shanghai Assembly / Test site)
1N = Product Type Marking Code
YM = Date Code Marking
Y = Year (ex: Y = 2011)
M = Month (ex: 9 = September)
C = CAT (Chengdu Assembly / Test site)
1N = Product Type Marking Code
YM = Date Code Marking
Y = Year (ex: Y = 2011)
M = Month (ex: 9 = September)
MMBT3904
Document number: DS30036 Rev. 20 - 2 2 of 7
www.diodes.com August 2012
© Diodes Incorporated
MMBT3904
Maximum Ratings (@TA = +25°C, unless otherwise specified.)
Characteristic Symbol Value Unit
Collector-Base Voltage VCBO 60 V
Collector-Emitter Voltage VCEO 40 V
Emitter-Base Voltage VEBO 6.0 V
Continuous Collector Current IC 200 mA
Thermal Characteristics (@TA = +25°C, unless otherwise specified.)
Characteristic Symbol Value Unit
Power Dissipation (Note 6) PD 310 mW
(Note 7) 350
Thermal Resistance, Junction to Ambient (Note 6) RθJA 403 °C/W
(Note 7) 357
Thermal Resistance, Junction to Leads (Note 8) RθJL 350 °C/W
Operating and Storage Temperature Range TJ,TSTG -55 to +150 °C
ESD Ratings (Note 9)
Characteristic Symbol Value Unit JEDEC Class
Electrostatic Discharge - Human Body Model ESD HBM 8,000 V 3B
Electrostatic Discharge - Machine Model ESD MM 400 V C
Notes: 6. For the device mounted on minimum recommended pad layout FR4 PCB with high coverage of single sided 1oz copper, in still air conditions.
7. For the device mounted on 15mm x 15mm x 1.6mm FR4 PCB with high coverage of single sided 1oz copper, in still air conditions.
8. Thermal resistance from junctio n to solder-point (at the end of the collector lead).
9. Refer to JEDEC specification JESD22-A114 and JESD22-A115.
MMBT3904
Document number: DS30036 Rev. 20 - 2 3 of 7
www.diodes.com August 2012
© Diodes Incorporated
MMBT3904
Thermal Characteristics
0 25 50 75 100 125 150
0.0
0.1
0.2
0.3
0.4
Derating Curve
Temperatu re (°C)
Ma x Powe r Di ssipati on (W )
100µ 1m 10m 100m 1 10 100 1k
0
50
100
150
200
250
300
350
400
Transient Thermal Imped an ce
D=0.5
D=0.2 D=0.1 Single Pulse
D=0.05
The rmal R esist a n ce C/ W )
Puls e Width (s)
10m 100m 1 10 100 1k
0.1
1
10 Single Pulse. Tamb=25°C
Pulse Power Dissipation
Puls e Width (s)
Max P owe r Dissip at i on (W)
MMBT3904
Document number: DS30036 Rev. 20 - 2 4 of 7
www.diodes.com August 2012
© Diodes Incorporated
MMBT3904
Electrical Characteristics (@TA = +25°C, unless otherwise specified.)
Characteristic Symbol Min Max Unit Test Condition
OFF CHARACTERISTICS
Collector-Base Breakdown Voltage BVCBO 60 V IC = 10μA, IE = 0
Collector-Emitter Breakdown Voltage (Note 10) BVCEO 40 V IC = 10mA, IB = 0
Emitter-Base Breakdown Voltage BVEBO 6.0 V IE = 10μA, IC = 0
Collector Cutoff Current ICEX 50 nA
VCE = 30V, VEB
(
OFF
)
= 3.0V
Base Cutoff Current IBL 50 nA
VCE = 30V, VEB
(
OFF
)
= 3.0V
ON CHARACTERISTICS (Note 10)
DC Current Gain hFE
40
70
100
60
30
300
IC = 100µA, VCE = 1.0V
IC = 1.0mA, VCE = 1.0V
IC = 10mA, VCE = 1.0V
IC = 50mA, VCE = 1.0V
IC = 100mA, VCE = 1.0V
Collector-Emitter Saturation Voltage VCE(sat) 0.20
0.30 V IC = 10mA, IB = 1.0mA
IC = 50mA, IB = 5.0mA
Base-Emitter Saturation Voltage VBE(sat) 0.65
0.85
0.95 V IC = 10mA, IB = 1.0mA
IC = 50mA, IB = 5.0mA
SMALL SIGNAL CHARACTERISTICS
Output Capacitance Cobo 4.0 pF
VCB = 5.0V, f = 1.0MHz, IE = 0
Input Capacitance Cibo 8.0 pF
VEB = 0.5V, f = 1.0MHz, IC = 0
Input Impedance hie 1.0 10 kΩ VCE = 10V, IC = 1.0mA,
f = 1.0kHz
Voltage Feedback Ratio hre 0.5 8.0 x 10-4
Small Signal Current Gain hfe 100 400
Output Admittance hoe 1.0 40 μS
Current Gain-Bandwidth Product fT 300 MHz VCE = 20V, IC = 10mA,
f = 100MHz
Noise Figure NF 5.0 dB
VCE = 5.0V, IC = 100μA,
RS = 1.0kΩ, f = 1.0kHz
SWITCHING CHARACTERISTICS
Delay Time td 35 ns
VCC = 3.0V, IC = 10mA,
VBE(off) = - 0.5V, IB1 = 1.0mA Rise Time t
r
35 ns
Storage Time ts 200 ns
VCC = 3.0V, IC = 10mA,
IB1 = IB2 = 1.0mA Fall Time tf 50 ns
Notes: 9. Measured under pulsed conditions. Pulse width 300µs. Duty cycle 2%.
MMBT3904
Document number: DS30036 Rev. 20 - 2 5 of 7
www.diodes.com August 2012
© Diodes Incorporated
MMBT3904
1
10
1,000
100
0.1 110 1,000
100
h, D
C
C
U
R
R
EN
T
G
AIN
FE
I , COLLECTOR CURRENT (mA)
Fig. 1 T ypical DC Current Gain vs. Collector Current
C
0.01
0.1
1
0.1 1 10 100 1,000
V,
C
O
LLE
C
T
O
R
-EMI
T
T
E
R
(V)
CE(SAT)
SATURATION VOLTAGE
I , COLLECTOR CURRENT (mA)
Fig. 2 Typical Collector-Emitter Saturation Voltage
vs. Co l l ect or Cu rre nt
C
0.1
1
10
0.1 110 100 1,000
V , BASE-EMI
T
T
E
R
SA
T
U
R
A
T
I
O
N V
O
L
T
A
G
E (V)
BE(SAT)
I , COLLECTOR CURRENT (mA)
Fig. 3 T y pical Base-Emitter Saturation Vo ltage
vs. Col lecto r Cu r rent
C
0
5
1
5
10
0.1 110 100
C
A
P
A
C
I
T
AN
C
E (p
F
)
V , REVERSE VOL TAGE (V)
Fig . 4 Typical Cap aci t ance Character istics
R
0.001
0.01
0.1
1
0.1 1 10 100
V , COLLECTOR-EMITTER VOLTAGE (V)
CE
I,
C
O
LLE
C
T
O
R
C
U
R
R
E
N
T
(A)
C
Fig. 5 Typical Collector Current
vs. Collector-Emitter Volt age
DC
Pw = 100ms
Pw = 10ms
T = 25°C
A
Single Non-repetitive Pulse
DUT mounted onto 1xMRP
FR-4 board
MMBT3904
Document number: DS30036 Rev. 20 - 2 6 of 7
www.diodes.com August 2012
© Diodes Incorporated
MMBT3904
Package Outline Dimensions
Please see AP02002 at http://www.diodes.com/datasheets/ap02002.pdf for latest version.
Suggested Pad Layout
Please see AP02001 at http://www.diodes.com/datasheets/ap02001.pdf for the latest version.
SOT23
Dim Min Max Typ
A 0.37 0.51 0.40
B 1.20 1.40 1.30
C 2.30 2.50 2.40
D 0.89 1.03 0.915
F 0.45 0.60 0.535
G 1.78 2.05 1.83
H 2.80 3.00 2.90
J 0.013 0.10 0.05
K 0.903 1.10 1.00
K1 - - 0.400
L 0.45 0.61 0.55
M 0.085 0.18 0.11
α 0° 8° -
All Dimensions in mm
Dimensions Value (in mm)
Z 2.9
X 0.8
Y 0.9
C 2.0
E 1.35
A
M
JL
D
F
BC
H
K
G
K1
XE
Y
C
Z
MMBT3904
Document number: DS30036 Rev. 20 - 2 7 of 7
www.diodes.com August 2012
© Diodes Incorporated
MMBT3904
IMPORTANT NOTICE
DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THIS DOCUMENT,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION).
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changes without further notice to this doc ument and an y product described herein. Diodes Incorporat ed does not assu me any liability arising
out of the application or use of this document or any product descr ibed herein; neither does Diodes Incorporated convey any license under
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Diodes Incorporated products are specifically not authorized for use as critical components in life support devices or systems without the
express written approval of the Chief Executive Officer of Diodes Incorporated. As used herein:
A. Life support devices or systems are devices or systems which:
1. are intended to implant into the body, or
2. support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided in
the labeling can be reasonably expected to result in significant injury to the user.
B. A critical component is any component in a life support device or s ystem whose failure to p erform can be re asonabl y expected to cause
the failure of the life support device or to affect its safety or effectiveness.
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Copyright © 2012, Diodes Incorporated
www.diodes.com