MMSTA42
NPN SMALL SIGNAL SURFACE MOUNT TRANSISTOR
Features
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Epitaxial Planar Die Construction
Complementary PNP Type Available
(MMSTA92)
Ideal for Medium Power Amplification and
Switching
Ultra-Small Surface Mount Package
B
SOT-323
A
C
B C
E
G
H
K
M
Dim
A
B
C
D
E
G
H
J
K
L
M
a
Min
0.25
1.15
2.00
0.30
1.20
1.80
0.0
0.90
0.25
0.10
0擄
Max
0.40
1.35
2.20
0.40
1.40
2.20
0.10
1.00
0.40
0.18
8擄
0.65 Nominal
Mechanical Data
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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.)
J
D
E
L
C
All Dimensions in mm
B
E
Maximum Ratings
Collector-Base Voltage
Collector-Emitter Voltage
Emitter-Base Voltage
Collector Current (Note 1)
Power Dissipation (Note 1)
@ T
A
= 25擄C unless otherwise specified
Symbol
V
CBO
V
CEO
V
EBO
I
C
P
d
R
qJA
T
j
, T
STG
MMSTA42
300
300
6.0
200
200
625
-55 to +150
Unit
V
V
V
mA
mW
擄C/W
擄C
Characteristic
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.
DS30175 Rev. 3 - 2
1 of 2
www.diodes.com
MMSTA42
1
2
