mDES ® MMSTA55/MMSTA56
Lead-Ire: Green
501.323
Dim Min Max
A 0 25 0,40
E 1 15 1,35
C 2 00 2,20
- "Green" Device (Note a and 4) D 0.05 Nomm‘
Mechanical Data E 0 30 0,40
- Case, $011323 G ‘ 2° ‘40
- Case Material. Molded P‘aslic‘ "Green" Molding H 1 80 2,20
awnings/73mm 4, UL Fiammammy Classmcaiion J 0.0 0,10
- Moisture Sensmviiy. Levei 1 per is‘rnruzoc K 0 9° "0"
- Termmai Connecnons. See Diagram '- 0 25 040
- Termmais, Seiderabie per MiLrSTDVZDZ‘ Method 205 H M 0 10 0,12
. Lead Free Fiating (Mane Tin Finish anneaieg over a
AHOY 42 'eadvame" All Dimensions in mm
. MMSTASS Marking i<2h keg="" (see="" page="" 3i="" .="" mmstasb="" marking="" k26="" (see="" page="" 3i="" .="" ordering="" &="" daie="" code="" inlormalicn.="" see="" page="" a="" '3'="" li="" .="" weighi.="" 0,006="" grams="" iappmximaiei="" characterislic="" symbol="" mmsta55="" mmstass="" unit="" colieciorrfiase="" voiiage="" vceo="" 760="" 730="" v="" colieciorremmer="" vgiiage="" vceo="" 760="" 730="" v="" eminerrbase="" valiage="" veeo="" 4:="" 0="" v="" coiiemor="" current="" ,="" continuous="" mm="" h="" i0="" 7500="" ma="" power="" dissipatlon="" mm="" h="" pd="" 200="" mw="" thermai="" resmance‘="" junciion="" 10="" ambient="" (note="" 1)="" rm="" 625="" qc/w="" operaiing="" and="" siorage="" temperature="" range="" 1,,="" tm="" 755="" m="" +150="0">2h>
MMSTA55/MMSTA56
PNP SMALL SIGNAL SURFACE MOUNT TRANSISTOR
Features
• Epitaxial Planar Die Construction
• Complementary NPN Type Available
(MMSTA05/MMSTA06)
• Ideal for Low Power Amplification and Switching
• 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
• Terminal Connections: See Diagram
• Terminals: Solderable per MIL-STD-202, Method 208
• Lead Free Plating (Matte Tin Finish annealed over
Alloy 42 leadframe).
• MMSTA55 Marking K2H, K2G (See Page 3)
• MMSTA56 Marking K2G (See Page 3)
• Ordering & Date Code Information: See Page 3
• Weight: 0.006 grams (approximate)
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
α 0° 8°
All Dimensions in mm
E
B
C
A
M
JL
ED
BC
H
K
G
BE
C
Maximum Ratings @TA = 25°C unless otherwise specified
Characteristic Symbol MMSTA55 MMSTA56 Unit
Collector-Base Voltage VCBO -60 -80 V
Collector-Emitter Voltage VCEO -60 -80 V
Emitter-Base Voltage VEBO -4.0 V
Collector Current - Continuous (Note 1) IC-500 mA
Power Dissipation (Note 1) Pd200 mW
Thermal Resistance, Junction to Ambient (Note 1) RθJA 625 °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.
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 0627 (week 27, 2006) and newer are built with Green Molding Compound. Product manufactured prior to Date
Code 0627 are built with Non-Green Molding Compound and may contain Halogens or Sb2O3 Fire Retardants.
DS30167 Rev. 10 - 2 1 of 3
www.diodes.com
MMSTA55/MMSTA56
© Diodes Incorporated