MMBTA42
Document number: DS30062 Rev. 12 - 2
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October 2015
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MMBTA42
300V NPN SMALL SIGNAL TRANSISTOR IN SOT23
Features
BVCEO > 300V
Ideal for Medium Power Amplification and Switching
Complementary PNP Type: MMBTA92
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: SOT-23
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)
Part Number
Compliance
Reel size (inches)
Tape width (mm)
Quantity per reel
MMBTA42-7-F
AEC-Q101
7
8
3,000
MMBTA42-13-F
AEC-Q101
13
8
10,000
MMBTA42Q-7-F
Automotive
7
8
3,000
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/quality/lead_free.html 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/products/packages.html.
Marking Information
Date Code Key
Year
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
Code
C
D
E
F
G
H
I
J
K
L
M
N
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
Device Symbol
Symbolhematic
SOT23
Top View
Pin-Out
Symbolhematic
K3M = Product Type Marking Code
YM = Date Code Marking
Y = Year (ex: C = 2015)
M = Month (ex: 9 = September)
C
E
B
SOT23
C
E
B
YM
K3M
MMBTA42
Document number: DS30062 Rev. 12 - 2
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MMBTA42
Absolute Maximum Ratings (@TA = +25°C, unless otherwise specified.)
Characteristic
Symbol
Value
Unit
Collector-Base Voltage
VCBO
300
V
Collector-Emitter Voltage
VCEO
300
V
Emitter-Base Voltage
VEBO
6.0
V
Collector Current - Continuous
IC
500
mA
Thermal Characteristics (@TA = +25°C, unless otherwise specified.)
Characteristic
Symbol
Value
Unit
Power Dissipation
(Note 6)
PD
300
mW
Thermal Resistance, Junction to Ambient
(Note 6)
RJA
417
°C/W
Operating and Storage Temperature Range
TJ, TSTG
-55 to +150
°C
ESD Ratings (Note 7)
Characteristic
Symbol
Value
Unit
JEDEC Class
Electrostatic Discharge - Human Body Model
ESD HBM
4,000
V
3A
Electrostatic Discharge - Machine Model
ESD MM
400
V
C
Notes: 6. For a device mounted on minimum recommended pad layout 1oz copper that is on a single-sided FR4 PCB; device is measured under still air
conditions whilst operating in a steady-state.
7. Refer to JEDEC specification JESD22-A114 and JESD22-A115.
Electrical Characteristics (@TA = +25°C, unless otherwise specified.)
Characteristic
Symbol
Min
Max
Unit
Test Condition
OFF CHARACTERISTICS (Note 8)
Collector-Base Breakdown Voltage
BVCBO
300
V
IC = 100µA, IE = 0
Collector-Emitter Breakdown Voltage
BVCEO
300
V
IC = 1.0mA, IB = 0
Emitter-Base Breakdown Voltage
BVEBO
6.0
V
IE = 100µA, IC = 0
Collector Cut-Off Current
ICBO
100
nA
VCB = 200V, IE = 0
Emitter Cut-Off Current
IEBO
100
nA
VEB = 6.0V, IC = 0
ON CHARACTERISTICS (Note 8)
DC Current Gain
hFE
25
40
40
IC = 1.0mA, VCE = 10V
IC = 10mA, VCE = 10V
IC = 30mA, VCE = 10V
Collector-Emitter Saturation Voltage
VCE(SAT)
0.5
V
IC = 20mA, IB = 2.0mA
Base-Emitter Saturation Voltage
VBE(SAT)
0.9
V
IC = 20mA, IB = 2.0mA
SMALL SIGNAL CHARACTERISTICS
Output Capacitance
Ccb
3.0
pF
VCB = 20V, f = 1.0MHz, IE = 0
Current Gain-Bandwidth Product
fT
50
MHz
VCE = 20V, IC = 10mA,
f = 100MHz
Note: 8. Measured under pulsed conditions. Pulse width ≤ 300µs. Duty cycle ≤ 2%.
MMBTA42
Document number: DS30062 Rev. 12 - 2
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MMBTA42
Typical Electrical Characteristics
0
50
100
25 50 75 100 125 150 175 200
P , POWER DISSIPATION (mW)
D
T , AMBIENT TEMPERATURE (°C)
Fig. 1, Max Power Dissipation vs
Ambient Temperature
A
150
200
250
300
350
400
0
Note 1
110 100 1000
V , COLLECTOR TO EMITTER
SATURATION VOLTAGE (V)
CE(SAT)
I , COLLECTOR CURRENT (mA)
Fig. 2, Collector Emitter Saturation Voltage
vs. Collector Current
C
T = 25°C
A
T = -50°C
A
T =150°C
A
0.2
0
0.4
0.6
0.8
1.0
1.2
1.4
1.6
2.0
1.8 I
IC
B= 10
1
10
1,000
10,000
100
110 1000
100
h , DC CURRENT GAIN
FE
I , COLLECTOR CURRENT (mA)
Fig. 3, DC Current Gain vs
Collector Current
C
T = -50°C
AT = 25°C
A
T = 150°C
A
V = 5V
CE
0.1
0.2
0.1 110 100
V , BASE EMITTER VOLTAGE (V)
BE(ON)
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0 V = 5V
CE
I , COLLECTOR CURRENT (mA)
Fig. 4, Base Emitter Voltage vs Collector Current
C
T = -50°C
A
T = 25°C
A
T = 150°C
A
MMBTA42
Document number: DS30062 Rev. 12 - 2
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MMBTA42
Package Outline Dimensions
Please see AP02002 at http://www.diodes.com/datasheets/ap02002.pdf for the latest version
Suggested Pad Layout
Please see AP02001 at http://www.diodes.com/datasheets/ap02001.pdf for the latest version.
Note: For high voltage applications, the appropriate industry sector guidelines should be considered with regards to creepage and clearance distances between
device terminals and PCB tracking.
1
10
100
110
f , GAIN BANDWIDTH PRODUCT (MHz)
T
I , COLLECTOR CURRENT (mA)
Fig. 5, Gain Bandwidth Product vs
Collector Current
C
V = 5V
CE
J
K1 K
L1
GAUGE PLANE
0.25
H
L
M
All 7°
A
CB
D
G
F
a
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
0.890
1.00
0.975
K1
0.903
1.10
1.025
L
0.45
0.61
0.55
L1
0.25
0.55
0.40
M
0.085
0.150
0.110
a
8°
All Dimensions in mm
Dimensions
Value (in mm)
Z
2.9
X
0.8
Y
0.9
C
2.0
E
1.35
XE
Y
C
Z
MMBTA42
Document number: DS30062 Rev. 12 - 2
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© Diodes Incorporated
MMBTA42
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).
Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes
without further notice to this document and any product described herein. Diodes Incorporated does not assume any liability arising out of the
application or use of this document or any product described herein; neither does Diodes Incorporated convey any license under its patent or
trademark rights, nor the rights of others. Any Customer or user of this document or products described herein 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 Diodes Incorporated
website, harmless against all damages.
Diodes Incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthorized sales channel.
Should Customers purchase or use Diodes Incorporated products for any unintended or unauthorized application, Customers shall indemnify and
hold Diodes Incorporated and its representatives harmless against all claims, damages, expenses, and attorney fees arising out of, directly or
indirectly, any claim of personal injury or death associated with such unintended or unauthorized application.
Products described herein may be covered by one or more United States, international or foreign patents pending. Product names and markings
noted herein may also be covered by one or more United States, international or foreign trademarks.
This document is written in English but may be translated into multiple languages for reference. Only the English version of this document is the
final and determinative format released by Diodes Incorporated.
LIFE SUPPORT
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 system whose failure to perform can be reasonably expected to cause the
failure of the life support device or to affect its safety or effectiveness.
Customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support devices or systems, and
acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their products and any
use of Diodes Incorporated products in such safety-critical, life support devices or systems, notwithstanding any devices- or systems-related
information or support that may be provided by Diodes Incorporated. Further, Customers must fully indemnify Diodes Incorporated and its
representatives against any damages arising out of the use of Diodes Incorporated products in such safety-critical, life support devices or systems.
Copyright © 2015, Diodes Incorporated
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