FMMT491Q

Document number: DS37009 Rev. 2 - 2

1 of 7

www.diodes.com

August 2016

© Diodes Incorporated

FMMT491Q

60V NPN MEDIUM POWER TRANSISTOR IN SOT23

Description

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

stringent requirements of Automotive Applications.

Feature



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

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500mW Power Dissipation

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Complementary PNP Type: FMMT591Q

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

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

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Qualified to AEC-Q101 Standards for High Reliability

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PPAP Capable (Note 4)

Mechanical Data

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Case: SOT23

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Case Material: Molded Plastic

, “Green” Molding Compound.

UL Flammability Classification Rating 94V-0

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Moisture Sensitivity: Level 1 per J-STD-020

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Terminals: Finish

– Matte Tin Plated Leads, Solderable per

MIL-STD-202, Method 208

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Weight 0.008 grams (Approximate)

Part Number

Compliance

Marking

Reel Size (inches)

Tape Width (mm)

Quantity per Reel

FMMT491QTA

Automotive

491

7

8

3,000

FMMT491QTC

Automotive

491

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 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/quality/product_compliance_definitions/.

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

Marking Information

491 = Product Type Marking Code

SOT23

Top View

Pin-Out

Top View

Device Symbol

C

E

B

C

E

B

491