FMMT494Q

Document number: DS40350 Rev. 1 - 2

1 of 7

www.diodes.com

November 2017

© Diodes Incorporated

FMMT494Q

120V NPN SILICON PLANAR MEDIUM POWER TRANSISTOR IN SOT23

Feature

This Bipolar Junction Transistor (BJT) is designed to meet the

stringent requirements of Automotive Applications.

Feature









500mW Power Dissipation





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



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

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Qualified to AEC-Q101 Standards for High Reliability



PPAP capable (Note 4)

Mechanical Data



Case: SOT23 (Type DN)



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



Weight: 0.008 grams (Approximate)

Part Number

Compliance

Marking

Reel Size (inches)

Tape Width (mm)

Quantity per Reel

FMMT494QTA

Automotive

494

7

8

3,000

FMMT494QTC

Automotive

494

13

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

494 = Product Type Marking Code

494

SOT23 (Type DN)

Top View

Pin-Out

Top View

Device Symbol

C

E

B

C

E

B

SOT23 (Type DN)