MMDT4401Q
40V DUAL NPN SMALL SIGNAL TRANSISTOR IN SOT363
Description
Mechanical Data
This Bipolar Junction Transistor (BJT) is designed to meet the
stringent requirements of Automotive Applications.
Case: SOT363
Case Material: Molded Plastic, “Green” Molding Compound;
UL Flammability Classification Rating 94V-0
Moisture Sensitivity: Level 1 per J-STD-020
Terminals: Finish – Matte Tin Finish; Solderable per MIL-STD-
202, Method 208
Features
BVCEO >40V
Weight: 0.006 grams (Approximate)
IC = 600mA High Collector Current
Epitaxial Planar Die Construction
Ideal for Medium Power Amplification and Switching
Ultra-Small Surface Mount Package
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
PPAP Capable (Note 4)
SOT363
Device Symbol
Top View
Top View
Pin-Out
Ordering Information (Note 5)
Product
Compliance
Marking
Reel Size (inch)
Tape Width (mm)
Quantity per Reel
MMDT4401Q-7-F
Automotive
K2X
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. Automotive products are AEC-Q101 qualified and are PPAP capable. Refer to http://www.diodes.com/product_compliance_definitions.html.
5. For packaging details, go to our website at https://www.diodes.com/design/support/packaging/diodes-packaging/.
Marking Information
SOT363
K2X = Product Type Marking Code
YM = Date Code Marking
Y or Y = Year (ex: E = 2017)
M or M = Month (ex: 9 = September)
K2X YM
M Y X 2 K
Date Code Key
Year
2017
2018
2019
2020
2021
2022
2023
2024
Code
E
F
G
H
I
J
K
L
Aug
Sep
Oct
Nov
Dec
Month
Code
Jan
Feb
Mar
Apr
May
Jun
Jul
8
9
O
N
D
1
2
3
4
5
6
7
1 of 6
www.diodes.com
September 2017
© Diodes Incorporated
MMDT4401Q
Document number: DS40086 Rev. 1 - 2