FMMT494Q
120V NPN SILICON PLANAR MEDIUM POWER TRANSISTOR IN SOT23
Feature
Mechanical Data
Case: SOT23 (Type DN)
This Bipolar Junction Transistor (BJT) is designed to meet the
stringent requirements of Automotive Applications.
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 Plated Leads, Solderable per
MIL-STD-202, Method 208
Feature
BVCEO > 120V
Weight: 0.008 grams (Approximate)
IC = 1A Continuous Collector Current
ICM = 2A Peak Pulse Current
500mW Power Dissipation
hFE characterised up to 1A for high current gain hold up
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)
SOT23 (Type DN)
C
E
C
B
B
E
Top View
Device Symbol
Top View
Pin-Out
Ordering Information (Notes 4 & 5)
Part Number
FMMT494QTA
FMMT494QTC
Compliance
Automotive
Automotive
Marking
494
494
Reel Size (inches)
Tape Width (mm)
Quantity per Reel
3,000
7
13
8
8
10,000
Notes:
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See https://www.diodes.com/quality/lead-free/ 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 https://www.diodes.com/quality/product-compliance-definitions/.
5. For packaging details, go to our website at http://www.diodes.com/products/packages.html.
Marking Information
SOT23 (Type DN)
494
494 = Product Type Marking Code
1 of 7
www.diodes.com
November 2017
© Diodes Incorporated
FMMT494Q
Document number: DS40350 Rev. 1 - 2