FMMT491A

Document number: DS33092 Rev. 4 - 2

1 of 7

www.diodes.com

October 2012

© Diodes Incorporated

FMMT491A

A Product Line of

Diodes Incorporated

40V NPN SILICON PLANAR MEDIUM POWER TRANSISTOR IN SOT23

Feature

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•

•

•

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500mW Power Dissipation

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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

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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

FMMT491ATA

AEC-Q101

41A

7

8

3,000

FMMT491ATC

AEC-Q101

41A

13

8

10,000

FMMT491AQTA

Automotive

41A

7

8

3,000

FMMT491AQTC

Automotive

41A

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 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. Automotive, AEC-Q101 and standard products are electrically and thermally

the same, except where specified.

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

Marking Information

41A = Product Type Marking Code

SOT23

Top View

Pin-Out

Top View

Device Symbol

C

E

B

C

E

B

491

41A