What is FMMT491ATA?
FMMT491ATA is a Transistors - Bipolar (BJT) - Single component from Diodes Incorporated. This product page summarizes the core sourcing details buyers need before checking price, availability, documentation, or samples.
Supply original FMMT491ATA, Transistors - Bipolar (BJT) - Single, by Diodes Incorporated
TRANS NPN 40V 1A SOT23-3
RoHS
Datasheet
Pictures are for reference only. Please contact us for the latest pictures.
Key specifications
Serise
-
Min Quantity
1
Category
Discrete Semiconductor ProductsSub Categroy
Transistors - Bipolar (BJT) - SingleDescription
TRANS NPN 40V 1A SOT23-3
key Attributes
-
Technical document
Open The Official Datasheet
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Trust signals
Globally recognized certifications
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ISO 9001
Quality management processes for more consistent sourcing and handling.
AS9120B
Aerospace-focused distribution controls for traceability and reliability.
ISO 14001
Environmental management discipline across warehouse and operating workflows.
ESD Control
Electrostatic handling standards to help protect sensitive components.
Authenticity Verification
CoC Available on Request
Pre-Shipment Inspection
Responsive RFQ Support
Why buyers trust this sourcing flow
Our quality workflow is designed to reduce counterfeit risk and support confident procurement. Components are reviewed through documented handling and inspection steps so buyers can evaluate sourcing with stronger authenticity controls.
Structured product content
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Product overview
Overview
TRANS NPN 40V 1A SOT23-3
Full technical breakdown
Detailed Specifications
Review grouped attributes and parameters without scanning one oversized table.
Fast scan
Popular Specs Surfaced First
Product Attribute
Part Status
Active
Product Attribute
REACH Status
REACH Unaffected
Product Attribute
ECCN
EAR99
Product Attribute
Lead Free
Lead Free
Product Attribute
Mounting Type
Surface Mount
Product Attribute
Factory Lead Time
15 Weeks
Part Status
Active
REACH Status
REACH Unaffected
ECCN
EAR99
Lead Free
Lead Free
Mounting Type
Surface Mount
Factory Lead Time
15 Weeks
Published
2006
Packaging
Cut Tape (CT)
Terminal Position
DUAL
Peak Reflow Temperature (Cel)
260
Terminal Form
GULL WING
Max Junction Temperature (Tj)
150°C
Element Configuration
Single
Frequency
150MHz
Max Power Dissipation
500mW
Categories
Discrete Semiconductor Products
Transistor Application
SWITCHING
Transistor Element Material
SILICON
Operating Temperature
-55°C~150°C TJ
Subcategory
Other Transistors
Manufacturer
Diodes Incorporated
Package / Case
TO-236-3, SC-59, SOT-23-3
Weight
7.994566mg
Height
1.12mm
Radiation Hardening
No
Reflow Temperature-Max (S)
40
Mount
Surface Mount
Pbfree Code
yes
Number Of Pins
3
Pin Count
3
Length
3mm
Number Of Terminations
3
Power Dissipation
500mW
Current Rating
1A
Width
1.4mm
Voltage - Rated DC
40V
Max Collector Current
1A
Sub-Categories
Transistors - Bipolar (BJT) - Single
HFE Min
300
Current - Collector Cutoff (Max)
100nA
Polarity/Channel Type
NPN
Gain Bandwidth Product
150MHz
Emitter Base Voltage (VEBO)
7V
Transition Frequency
150MHz
Collector Emitter Voltage (VCEO)
40V
Collector Emitter Breakdown Voltage
40V
Collector Emitter Saturation Voltage
500mV
Continuous Collector Current
1A
Collector Base Voltage (VCBO)
40V
Manufacturer'S Part No.
FMMT491ATA
Vce Saturation (Max) @ Ib, Ic
500mV @ 100mA, 1A
Base Part Number
FMMT491A
DC Current Gain (HFE) (Min) @ Ic, Vce
300 @ 500mA 5V
Terminal Finish
Matte Tin (Sn) - annealed
Number Of Elements
1
Transistor Type
NPN
Max Breakdown Voltage
40V
JESD-609 Code
e3
Moisture Sensitivity Level (MSL)
1 (Unlimited)
RoHS Status
ROHS3 Compliant
REACH SVHC
No SVHC
ECCN Code
EAR99
HTSUS
8541.21.0075
Common questions
Product FAQ
Quick answers for buyers reviewing FMMT491ATA, stock, documentation, and sourcing steps.
What package and description are listed for FMMT491ATA?
FMMT491ATA is listed with package reference SOT23. The current product description is TRANS NPN 40V 1A SOT23-3, and buyers should confirm package, footprint, and electrical details against the datasheet or quotation notes before approval.
Is FMMT491ATA available in stock?
This page currently shows 65254 units in stock and 39365 units available for FMMT491ATA. Because electronic component availability can change quickly, submit an RFQ to confirm live stock, lead time, and final pricing.
Can I request a quote or sample for FMMT491ATA?
Yes. Use the Quick Quote or Request Sample action on this page to send the quantity and sourcing requirements for FMMT491ATA by Diodes Incorporated. The TrustCompo team can review price, availability, and documentation support.
Is a datasheet available for FMMT491ATA?
Yes. This page links to the datasheet for FMMT491ATA by Diodes Incorporated, so engineers and buyers can review package, ratings, and application details before purchase.
How should buyers verify FMMT491ATA before ordering?
Buyers should confirm the manufacturer, package, quantity, target price, RoHS or compliance needs, and any Certificate of Conformance or traceability requirements for FMMT491ATA before approving the order.
Transistors - Bipolar (BJT) - Single
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