MMBT6521LT1G is out of stock and can be placed on backorder.
Available Substitutes:

Direct


onsemi
In Stock: 225,000
Unit Price: $0.83000
Datasheet

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Diodes Incorporated
In Stock: 0
Unit Price: $0.16000
Datasheet

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Taiwan Semiconductor Corporation
In Stock: 0
Unit Price: $0.17000
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Taiwan Semiconductor Corporation
In Stock: 0
Unit Price: $0.17000
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Taiwan Semiconductor Corporation
In Stock: 0
Unit Price: $0.17000
Datasheet
Bipolar (BJT) Transistor NPN 25 V 100 mA 225 mW Surface Mount SOT-23-3 (TO-236)
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

MMBT6521LT1G

DigiKey Part Number
MMBT6521LT1GOSTR-ND - Tape & Reel (TR)
MMBT6521LT1GOSCT-ND - Cut Tape (CT)
MMBT6521LT1GOSDKR-ND - Digi-Reel®
Manufacturer
Manufacturer Part Number
MMBT6521LT1G
Description
TRANS NPN 25V 0.1A SOT23-3
Manufacturer Standard Lead Time
9 Weeks
Customer Reference
Detailed Description
Bipolar (BJT) Transistor NPN 25 V 100 mA 225 mW Surface Mount SOT-23-3 (TO-236)
Datasheet
 Datasheet
EDA/CAD Models
MMBT6521LT1G Models
Product Attributes
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Category
Current - Collector Cutoff (Max)
500nA (ICBO)
Mfr
DC Current Gain (hFE) (Min) @ Ic, Vce
300 @ 2mA, 10V
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Power - Max
225 mW
Part Status
Active
Operating Temperature
-55°C ~ 150°C (TJ)
Transistor Type
Mounting Type
Surface Mount
Current - Collector (Ic) (Max)
100 mA
Package / Case
TO-236-3, SC-59, SOT-23-3
Voltage - Collector Emitter Breakdown (Max)
25 V
Supplier Device Package
SOT-23-3 (TO-236)
Vce Saturation (Max) @ Ib, Ic
500mV @ 5mA, 50mA
Base Product Number
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (5)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
SMMBT6521LT1Gonsemi225,000488-SMMBT6521LT1GTR-ND$0.83000Direct
BC817-40-7-FDiodes Incorporated0BC817-40FDITR-ND$0.16000Similar
BC848A RFGTaiwan Semiconductor Corporation01801-BC848ARFGTR-ND$0.17000Similar
BC848B RFGTaiwan Semiconductor Corporation01801-BC848BRFGTR-ND$0.17000Similar
BC848C RFGTaiwan Semiconductor Corporation01801-BC848CRFGTR-ND$0.17000Similar
Available To Order
Factory Stock: 195,000
3,000 estimated in stock on 30-Nov-2026

This is stock that is available at the supplier which may be available to DigiKey upon receipt of order.

All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$0.38000$0.38
10$0.23600$2.36
100$0.14830$14.83
500$0.11024$55.12
1,000$0.09795$97.95
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
3,000$0.08229$246.87
6,000$0.07440$446.40
9,000$0.07037$633.33
15,000$0.06584$987.60
21,000$0.06316$1,326.36
30,000$0.06055$1,816.50
75,000$0.05482$4,111.50
150,000$0.05250$7,875.00
Tariff Status: Tariff may apply if shipping to the United States. Estimated tariff costs will be calculated and displayed in the shopping cart to help you assess potential expenses.