MMBT5401
Document number: DS30057 Rev. 9 - 2 1 of 4
www.diodes.com August 2008
© Diodes Incorporated
MMBT5401
PNP SMALL SIGNAL SURFACE MOUNT TRANSISTOR
Features
Epitaxial Planar Die Construction
Complementary NPN Type Available (MMBT5551)
Ideal for Low Power Amplification and Switching
Lead, Halogen and Antimony Free, RoHS Compliant
"Green" Device (Notes 2 and 3)
Mechanical Data
Case: SOT-23
Case Material: Molded Plastic. UL Flammability Classification
Rating 94V-0
Moisture Sensitivity: Level 1 per J-STD-020D
Terminal Connections: See Diagram
Terminals: Solderable per MIL-STD-202, Method 208
Lead Free Plating (Matte Tin Finish annealed over Alloy 42
leadframe).
Marking Information: See Page 3
Ordering Information: See Page 3
Weight: 0.008 grams (approximate)
E
B
C
Top View Device Schematic
Maximum Ratings @TA = 25°C unless otherwise specified
Characteristic Symbol Value Unit
Collector-Base Voltage VCBO -160 V
Collector-Emitter Voltage VCEO -150 V
Emitter-Base Voltage VEBO -5.0 V
Collector Current - Continuous (Note 1) IC -600 mA
Thermal Characteristics
Characteristic Symbol Value Unit
Power Dissipation (Note 1) PD 300 mW
Thermal Resistance, Junction to Ambient (Note 1) RθJA 417 °C/W
Operating and Storage Temperature Range TJ, TSTG -55 to +150 °C
Notes: 1. Device mounted on FR-4 PCB, 1 inch x 0.85 inch x 0.062 inch; pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which
can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf.
2. No purposefully added lead. Halogen and Antimony Free.
3. Product manufactured with Data Code V9 (week 33, 2008) and newer are built with Green Molding Compound. Product manufactured prior to Date
Code V9 are built with Non-Green Molding Compound and may contain Halogens or Sb2O3 Fire Retardants.
MMBT5401
Electrical Characteristics @TA = 25°C unless otherwise specified
Characteristic Symbol Min Max Unit Test Condition
OFF CHARACTERISTICS (Note 4)
MMBT5401
Document number: DS30057 Rev. 9 - 2 2 of 4
www.diodes.com August 2008
© Diodes Incorporated
Collector-Base Breakdown Voltage V(BR)CBO -160 V IC = -100μA, IE = 0
Collector-Emitter Breakdown Voltage V(BR)CEO -150 V IC = -1.0mA, IB = 0
Emitter-Base Breakdown Voltage V(BR)EBO -5.0 V IE = -10μA, IC = 0
Collector Cutoff Current ICBO -50 nA
μA VCB = -120V, IE = 0
VCB = -120V, IE = 0, TA = 100°C
Emitter Cutoff Current IEBO -50 nA VEB = -3.0V, IC = 0
ON CHARACTERISTICS (Note 4)
DC Current Gain hFE 50
60
50
240
IC = -1.0mA, VCE = -5.0V
IC = -10mA, VCE = -5.0V
IC = -50mA, VCE = -5.0V
Collector-Emitter Saturation Voltage VCE(SAT) -0.2
-0.5 V IC = -10mA, IB = -1.0mA
IC = -50mA, IB = -5.0mA
Base-Emitter Saturation Voltage VBE(SAT) -1.0 V IC = -10mA, IB = -1.0mA
IC = -50mA, IB = -5.0mA
SMALL SIGNAL CHARACTERISTICS
Output Capacitance Cobo 6.0 pF VCB = -10V, f = 1.0MHz, IE = 0
Small Signal Current Gain hfe 40 200 VCE = -10V, IC = -1.0mA,
f = 1.0kHz
Current Gain-Bandwidth Product fT 100 300 MHz VCE = -10V, IC = -10mA,
f = 100MHz
Noise Figure NF 8.0 dB VCE = -5.0V, IC = -200μA,
RS = 10Ω, f = 1.0kHz
Notes: 4. Short duration pulse test used to minimize self-heating effect.
1
10
100
1,000
10,000
110 100 1,000
V = 5V
CE
h, D
C
C
U
R
R
EN
T
G
AIN
FE
I , COLLECTOR CURRENT (mA)
Fig. 2 Typical DC Current Gain vs. Collector Current
C
T = 25°C
A
T = -50°C
A
T = 150°C
A
0
50
100
25 50 75 100 125 150 175 200
P
,
P
O
WE
R
DISSI
P
A
T
I
O
N (mW)
D
T , AMBIENT TEMPERA TURE (°C)
Fig. 1 Power Dissipation vs. Ambient Temperature
A
150
200
250
300
350
400
0
Note 1
MMBT5401
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
0.1 1.0 10 100
V , BASE-EMI
T
T
E
R
T
U
R
N-
O
N V
O
L
T
A
G
E (V)
BE(ON)
I , COLLECTOR CURRENT (mA)
Fig. 4 T ypical Base-Emitter T urn-On V olta ge
vs. Col lector Cu r rent
C
T = 25°C
A
T = -50°C
A
T = 150°C
A
V = 5V
CE
0.01
0.1
1.0
10.0
110 100 1,000
T = 25°C
A
T = -50°C
A
T = 150°C
A
V , COLLECTOR-EMITTER
SATURATION VOLTAGE (V)
CE(SAT)
I , COLLECTOR CURRENT (mA)
Fig. 3 Typical Collector-Emitter Saturation V o ltage
vs. Collector Current
C
I
I
C
B
= 10
10
100
1,000
1
110 100
f,
G
AIN-BANDWID
T
H
P
R
O
D
U
C
T
(M
H
z)
t
I , COLLECTOR CURRENT (mA)
Fig. 5 Typical Gain-Bandwidth Product vs. Collector Current
C
V = 10V
CE
Ordering Information (Note 5)
Part Number Case Packaging
MMBT5401-7-F SOT-23 3000/Tape & Reel
Notes: 5. For packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
Marking Information
K4M
YM
K4M = Product Type Marking Code
YM = Date Code Marking
Y = Year (ex: N = 2002)
M = Month (ex: 9 = September)
Date Code Key
MMBT5401
Document number: DS30057 Rev. 9 - 2 3 of 4
www.diodes.com August 2008
© Diodes Incorporated
Year 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015
Code J K L M N P R S T U V W X Y Z A B C
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
MMBT5401
Document number: DS30057 Rev. 9 - 2 4 of 4
www.diodes.com August 2008
© Diodes Incorporated
MMBT5401
Package Outline Dimensions
Suggested Pad Layout
IMPORTANT NOTICE
Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes
without further notice to any product herein. Diodes Incorporated does not assume any liability arising out of the application or use of any product
described herein; neither does it convey any license under its patent rights, nor the rights of others. The user of products in such applications shall
assume all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are represented on our website,
harmless against all damages. LIFE SUPPORT
Diodes Incorporated products are not authorized for use as critical components in life support devices or systems without the expressed written
approval of the President of Diodes Incorporated.
A
M
JL
D
F
BC
H
K
G
K1
SOT-23
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
0° 8° -
α
All Dimensions in mm
XE
Y
C
Z
Dimensions Value (in mm)
Z 2.9
X 0.8
Y 0.9
C 2.0
E 1.35