English
Language : 

MMST4401_1 Datasheet, PDF (1/4 Pages) Diodes Incorporated – NPN SMALL SIGNAL SURFACE MOUNT TRANSISTOR
SPICE MODEL: MMST4401
Lead-free Green
MMST4401
NPN SMALL SIGNAL SURFACE MOUNT TRANSISTOR
Features
· Epitaxial Planar Die Construction
· Complementary PNP Type Available (MMST4403)
· Ultra-Small Surface Mount Package
· Lead Free/RoHS Compliant (Note 2)
· "Green" Device (Note 3 and 4)
Mechanical Data
· Case: SOT-323
· Case Material: Molded Plastic, "Green" Molding
Compound, Note 4. UL Flammability Classification
Rating 94V-0
· Moisture Sensitivity: Level 1 per J-STD-020C
· Terminals: Solderable per MIL-STD-202, Method 208
· Terminal Connections: See Diagram
· Lead Free Plating (Matte Tin Finish annealed over
Alloy 42 leadframe).
· Marking (See Page 2): K3X
· Ordering & Date Code Information: See Page 2
· Weight: 0.006 grams (approximate)
A
C
BC
B
E
G
H
K
J
DE
L
C
B
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
M
J
0.0 0.10
K
0.90 1.00
L
0.25 0.40
M
0.10 0.18
a
0°
8°
All Dimensions in mm
Maximum Ratings @ TA = 25°C unless otherwise specified
Characteristic
Collector-Base Voltage
Collector-Emitter Voltage
Emitter-Base Voltage
Collector Current - Continuous (Note 1)
Power Dissipation (Note 1)
Thermal Resistance, Junction to Ambient (Note 1)
Operating and Storage and Temperature Range
Symbol
VCBO
VCEO
VEBO
IC
Pd
RqJA
Tj, TSTG
Value
60
40
6.0
600
200
625
-55 to +150
Unit
V
V
V
mA
mW
°C/W
°C
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.
2. No purposefully added lead.
3. Diodes Inc.'s "Green" policy can be found on our website at http://www.diodes.com.products/lead_free/index.php.
4. Product manufactured with Date Code 0609 (week 9, 2006) and newer are built with Green Molding Compound. Product manufactured prior to Date
Code 0609 are built with Non-Green Molding Compound and may contain Halogens or Sb2O3 Fire Retardants.
DS30084 Rev. 8 - 2
1 of 4
www.diodes.com
MMST4401
ã Diodes Incorporated