DIODES MMSTA42 Datasheet
Features
MMSTA42
NPN SMALL SIGNAL SURFACE MOUNT TRANSISTOR
· Epitaxial Planar Die Construction
· Complementary PNP Type Available
(MMSTA92)
· Ideal for Medium Power Amplification and
Switching
· Ultra-Small Surface Mount Package
Mechanical Data
· Case: SOT-323, Molded Plastic
· Case Material - UL Flammability Rating 94V-0
· Moisture sensitivity: Level 1 per J-STD-020A
· Terminals: Solderable per MIL-STD-202,
Method 208
· Terminal Connections: See Diagram
· Marking (See Page 2): K3M
· Ordering & Date Code Information: See Page 2
· Weight: 0.006 grams (approx.)
Maximum Ratings
@ TA= 25°C unless otherwise specified
A
C
C
B
B
K
J
B
E
G
H
M
L
ED
C
E
SOT-323
Dim Min Max
A
0.25 0.40
B
1.15 1.35
C
2.00 2.20
D
0.65 Nominal
E
0.30 0.40
G
1.20 1.40
H
1.80 2.20
J
0.0 0.10
K
0.90 1.00
L
0.25 0.40
M
0.10 0.18
a
All Dimensions in mm
0° 8°
Characteristic Symbol MMSTA42 Unit
Collector-Base Voltage
Collector-Emitter Voltage
Emitter-Base Voltage
Collector Current (Note 1)
Power Dissipation (Note 1)
Thermal Resistance, Junction to Ambient (Note 1)
Operating and Storage and Temperature Range
Note: 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.
V
V
V
R
Tj,T
CBO
CEO
EBO
I
C
P
d
qJA
STG
300 V
300 V
6.0 V
200 mA
200
625 °C/W
-55 to +150 °C
mW
DS30175 Rev. 3 - 2 1 of 2 MMSTA42
www.diodes.com
Electrical Characteristics
Characteristic Symbol Min Max Unit Test Condition
OFF CHARACTERISTICS (Note 2)
Collector-Base Breakdown Voltage
Collector-Emitter Breakdown Voltage
Emitter-Base Breakdown Voltage
Collector Cutoff Current
Collector Cutoff Current
ON CHARACTERISTICS (Note 2)
DC Current Gain
Collector-Emitter Saturation Voltage
Base- Emitter Saturation Voltage
SMALL SIGNAL CHARACTERISTICS
Output Capacitance
Current Gain-Bandwidth Product
@ TA = 25°C unless otherwise specified
V
(BR)CBO
V
(BR)CEO
V
(BR)EBO
I
CBO
I
EBO
h
V
CE(SAT)
V
BE(SAT)
C
FE
cb
f
T
300 ¾ V
300 ¾ V
6.0 ¾ V
¾ 100 nA
¾ 100 nA
25
40
40
¾ 0.5 V
¾ 0.9 V
¾ 3.0 pF
50 ¾ MHz
I
C
IC= 1.0mA, IB = 0
I
E
V
VCE= 6.0V, IC = 0
I
C
¾¾
IC = 10mA, VCE = 10V
IC = 30mA, VCE= 10V
IC= 20mA, IB = 2.0mA
I
C
V
V
f = 100MHz
= 100mA, IE = 0
= 100mA, IC = 0
= 200V, IE= 0
CB
= 1.0mA, VCE = 10V
= 20mA, IB = 2.0mA
= 20V, f = 1.0MHz, IE = 0
CB
= 20V, IC = 10mA,
CE
Ordering Information
Device
MMSTA42-7
(Note 3)
Packaging Shipping
SOT-323 3000/Tape & Reel
Notes: 2. Short duration test pulse used to minimize self-heating effect.
3. For Packaging Details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
Marking Information
K3M = Product Type Marking Code
YM = Date Code Marking
Y = Year ex: N = 2002
YM
M = Month ex: 9 = September
Date Code Key
Year 1998 1999 2000 2001 2002 2003 2004
Code
Month Jan Feb March Apr May Jun Jul
Code
K3M
JKLMNPR
1234567
2005 2006 2007 2008 2009
ST U VW
Aug Sep Oct Nov Dec
89 OND
DS30175 Rev. 3-2 2 of 2 MMSTA42
www.diodes.com
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