DS30163 Rev. 7 - 2

1 of 4

MMST4124

www.diodes.com

MMST4124

NPN SMALL SIGNAL SURFACE MOUNT TRANSISTOR

•

Epitaxial Planar Die Construction

•

Complementary PNP Type Available (MMST4126)

•

Ideal for Medium Power Amplification and Switching

•

Ultra-Small Surface Mount Package

•

Lead Free/RoHS Compliant (Note 2)

•

"Green" Device (Note 3 and 4)

Characteristic

Symbol

Value

Unit

Collector-Base Voltage

30

V

Collector-Emitter Voltage

25

V

Emitter-Base Voltage

5.0

V

Collector Current - Continuous (Note 1)

200

mA

Power Dissipation (Note 1)

200

mW

Thermal Resistance, Junction to Ambient (Note 1)

625

Operating and Storage and Temperature Range

-55 to +150

°C

Features

Maximum Ratings

°C unless otherwise specified

A

M

J

L

E

D

B C

H

K

G

B

E

C

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).

•

Marking (See Page 2): K1B

•

Ordering & Date Code Information: See Page 2

•

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

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.

Lead-free Green

SPICE MODEL: MMST4124