MMST4126

Document number: DS30161 Rev. 9 - 2

1 of 6

www.diodes.com

April 2016

© Diodes Incorporated

MMST4126

25V PNP SMALL SIGNAL TRANSISTOR IN SOT323

Features







Epitaxial Planar Die Construction



Ultra-Small Surface Mount Package



Complementary NPN Type: MMST4124



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 reel

MMST4126-7-F

Active

AEC-Q101

K2B

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

2010

2011

2012

2013

2014

2015

2016

2017

2018

2019

2020

Code

X

Y

Z

A

B

C

D

E

F

G

H

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

SOT323

K2B = Product Type Marking Code

YM = Date Code Marking

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

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

C

E

B

K2B

SOT323