MMBT3904-G is out of stock and can be placed on backorder.
Available Substitutes:

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Comchip Technology
In Stock: 0
Unit Price: $0.16000
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Diodes Incorporated
In Stock: 0
Unit Price: $0.12000
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MCC (Micro Commercial Components)
In Stock: 0
Unit Price: $0.10000
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onsemi
In Stock: 2,139,400
Unit Price: $0.12000
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onsemi
In Stock: 72,000
Unit Price: $0.12000
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onsemi
In Stock: 54,000
Unit Price: $0.13000
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onsemi
In Stock: 11,295
Unit Price: $0.23000
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onsemi
In Stock: 0
Unit Price: $0.13000
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Central Semiconductor Corp
In Stock: 0
Unit Price: $0.43000
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Central Semiconductor Corp
In Stock: 0
Unit Price: $0.82000
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Nexperia USA Inc.
In Stock: 149
Unit Price: $0.12000
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Nexperia USA Inc.
In Stock: 0
Unit Price: $0.12000
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Nexperia USA Inc.
In Stock: 0
Unit Price: $0.12000
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Nexperia USA Inc.
In Stock: 0
Unit Price: $0.13000
Datasheet
Bipolar (BJT) Transistor NPN 40 V 200 mA 300MHz 200 mW Surface Mount SOT-23-3
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

MMBT3904-G

DigiKey Part Number
641-1941-2-ND - Tape & Reel (TR)
641-1941-1-ND - Cut Tape (CT)
641-1941-6-ND - Digi-Reel®
Manufacturer
Manufacturer Part Number
MMBT3904-G
Description
TRANS NPN 40V 0.2A SOT-23-3
Manufacturer Standard Lead Time
10 Weeks
Customer Reference
Detailed Description
Bipolar (BJT) Transistor NPN 40 V 200 mA 300MHz 200 mW Surface Mount SOT-23-3
Datasheet
 Datasheet
EDA/CAD Models
MMBT3904-G Models
Product Attributes
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Show Empty Attributes
Category
DC Current Gain (hFE) (Min) @ Ic, Vce
100 @ 10mA, 1V
Mfr
Power - Max
200 mW
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Frequency - Transition
300MHz
Part Status
Active
Operating Temperature
-55°C ~ 150°C (TJ)
Transistor Type
Mounting Type
Surface Mount
Current - Collector (Ic) (Max)
200 mA
Package / Case
TO-236-3, SC-59, SOT-23-3
Voltage - Collector Emitter Breakdown (Max)
40 V
Supplier Device Package
SOT-23-3
Vce Saturation (Max) @ Ib, Ic
300mV @ 5mA, 50mA
Base Product Number
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (15)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
MMBT3904-HFComchip Technology0641-1683-2-ND$0.16000Direct
MMBT3904-7-FDiodes Incorporated0MMBT3904-FDITR-ND$0.12000Direct
MMBT3904-TPMCC (Micro Commercial Components)0MMBT3904TPMSTR-ND$0.10000Direct
MMBT3904LT1Gonsemi2,139,400MMBT3904LT1GOSTR-ND$0.12000Direct
MMBT3904LT3Gonsemi72,000MMBT3904LT3GOSTR-ND$0.12000Direct
Available To Order
Factory Stock: 96,000
3,000 estimated in stock on 28-Dec-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$0.18000$0.18
10$0.10900$1.09
100$0.06720$6.72
500$0.04890$24.45
1,000$0.04295$42.95
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
3,000$0.03534$106.02
6,000$0.03150$189.00
9,000$0.02954$265.86
15,000$0.02733$409.95
21,000$0.02602$546.42
30,000$0.02475$742.50
75,000$0.02195$1,646.25
150,000$0.02022$3,033.00
300,000$0.01876$5,628.00
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.