FMMT491TA is out of stock and can be placed on backorder.
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Diodes Incorporated
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Diodes Incorporated
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Bipolar (BJT) Transistor NPN 60 V 1 A 150MHz 500 mW Surface Mount SOT-23-3
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

FMMT491TA

DigiKey Part Number
FMMT491TR-ND - Tape & Reel (TR)
FMMT491CT-ND - Cut Tape (CT)
FMMT491DKR-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
FMMT491TA
Description
TRANS NPN 60V 1A SOT-23-3
Manufacturer Standard Lead Time
44 Weeks
Customer Reference
Detailed Description
Bipolar (BJT) Transistor NPN 60 V 1 A 150MHz 500 mW Surface Mount SOT-23-3
Datasheet
 Datasheet
EDA/CAD Models
FMMT491TA Models
Product Attributes
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Show Empty Attributes
Category
DC Current Gain (hFE) (Min) @ Ic, Vce
100 @ 500mA, 5V
Mfr
Power - Max
500 mW
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Frequency - Transition
150MHz
Part Status
Active
Operating Temperature
-55°C ~ 150°C (TJ)
Transistor Type
Mounting Type
Surface Mount
Current - Collector (Ic) (Max)
1 A
Package / Case
TO-236-3, SC-59, SOT-23-3
Voltage - Collector Emitter Breakdown (Max)
60 V
Supplier Device Package
SOT-23-3
Vce Saturation (Max) @ Ib, Ic
250mV @ 100mA, 1A
Base Product Number
Current - Collector Cutoff (Max)
100nA
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (31)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
DNBT8105-7Diodes Incorporated0DNBT8105DICT-ND$0.44000Direct
ZXTN2038FTADiodes Incorporated404ZXTN2038FCT-ND$0.60000Direct
FMMT491-TPMCC (Micro Commercial Components)0FMMT491-TPMSCT-ND$0.33000Direct
2SC5866TLQRohm Semiconductor9,1242SC5866TLQCT-ND$0.82000Similar
2SC5866TLRRohm Semiconductor14,1522SC5866TLRCT-ND$0.78000Similar
In-Stock: 0
3,000 expected in stock on 14-Sep-2026
Request Stock Notification
All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$0.60000$0.60
10$0.37000$3.70
25$0.30720$7.68
50$0.26800$13.40
100$0.23500$23.50
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
3,000$0.13372$401.16
9,000$0.11546$1,039.14
Tariff Status: Tariff may apply if shipping to the United States. Tariff costs are calculated and will be displayed in the shopping cart.