MMST4124

Document number: DS30163 Rev. 10 - 2

1 of 7

www.diodes.com

July 2016

© Diodes Incorporated

MMST4124

K2N

25V NPN SMALL SIGNAL TRANSISTOR IN SOT323

Features







Epitaxial Planar Die Construction



Ultra-Small Surface Mount Package



Complementary PNP Type: MMST4126



Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)



Halogen and Antimony Free. “Green” Device (Note 3)



Qualified to AEC-Q101 Standards for High Reliability

Mechanical Data



Case: SOT323



Case Material: Molded Plastic

“Green” Molding Compound;

UL Flammability Rating 94V-0



Moisture Sensitivity: Level 1 per J-STD-020



Terminals: Finish - Matte Tin Plated Leads; Solderable per

MIL-STD-202, Method 208



Weight: 0.006 grams (Approximate)

Product

Status

Compliance

Marking

Reel Size (inches)

Tape Width (mm)

Quantity Per Peel

MMST4124-7-F

Active

AEC-Q101

K1B

7

8

3,000

Notes:

1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.

2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green"

and Lead-free.

3. Halogen- and Antimony-

free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and

<1000ppm antimony compounds.

4. For packaging details, go to our website at http://www.diodes.com/products/packages.html.

Marking Information

Date Code Key

Year

2016

2017

2018

2019

2020

2021

2022

2023

2024

2025

2026

Code

D

E

F

G

H

I

J

K

L

M

N

Month

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Code

1

2

3

4

5

6

7

8

9

O

N

D

Top View

Device Symbol

Pin-Out Top view

C

E

B

e3

SOT323

K1B = Product Type Marking Code

YM = Date Code Marking

Y or Y = Year (ex: D = 2016)

M or M = Month (ex: 9 = September)

K1B

SOT323