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

Parametric Equivalent


Diotec Semiconductor
In Stock: 0
Unit Price: $0.11000
Datasheet

Parametric Equivalent


Diotec Semiconductor
In Stock: 0
Unit Price: $0.99000
Datasheet

Parametric Equivalent


MCC (Micro Commercial Components)
In Stock: 0
Unit Price: $0.01346
Datasheet

Parametric Equivalent


MCC (Micro Commercial Components)
In Stock: 0
Unit Price: $0.00000
Datasheet

Parametric Equivalent


Rohm Semiconductor
In Stock: 0
Unit Price: $0.30000
Datasheet

Parametric Equivalent


Taiwan Semiconductor Corporation
In Stock: 0
Unit Price: $0.10000
Datasheet
Bipolar (BJT) Transistor NPN 40 V 200 mA 300MHz 350 mW Surface Mount SOT-23-3 (TO-236)
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

MMBT3904-AQ

DigiKey Part Number
4878-MMBT3904-AQTR-ND - Tape & Reel (TR)
4878-MMBT3904-AQCT-ND - Cut Tape (CT)
4878-MMBT3904-AQDKR-ND - Digi-Reel®
Manufacturer
Manufacturer Part Number
MMBT3904-AQ
Description
TRANS NPN 40V 0.2A SOT23-3
Manufacturer Standard Lead Time
8 Weeks
Customer Reference
Detailed Description
Bipolar (BJT) Transistor NPN 40 V 200 mA 300MHz 350 mW Surface Mount SOT-23-3 (TO-236)
Datasheet
 Datasheet
EDA/CAD Models
MMBT3904-AQ Models
Product Attributes
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Category
DC Current Gain (hFE) (Min) @ Ic, Vce
100 @ 10mA, 1V
Mfr
Power - Max
350 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 (TO-236)
Vce Saturation (Max) @ Ib, Ic
300mV @ 5mA, 50mA
Base Product Number
Current - Collector Cutoff (Max)
50nA
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (6)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
MMBT3904Diotec Semiconductor04878-MMBT3904TR-ND$0.11000Parametric Equivalent
MMBT3904Diotec Semiconductor05245-MMBT3904-ND$0.99000Parametric Equivalent
MMBT3904-13PMCC (Micro Commercial Components)0353-MMBT3904-13PTR-ND$0.01346Parametric Equivalent
MMBT3904-TP-HFMCC (Micro Commercial Components)0353-MMBT3904-TP-HF-ND$0.00000Parametric Equivalent
SST3904T116Rohm Semiconductor0SST3904T116TR-ND$0.30000Parametric Equivalent
In-Stock: 0
3,000 estimated in stock on 30-Nov-2026
Request Stock Notification
All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$0.14000$0.14
10$0.08300$0.83
100$0.05120$5.12
500$0.03702$18.51
1,000$0.03240$32.40
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
3,000$0.02649$79.47
6,000$0.02350$141.00
9,000$0.02197$197.73
15,000$0.02026$303.90
21,000$0.01924$404.04
30,000$0.01825$547.50
75,000$0.01607$1,205.25
150,000$0.01472$2,208.00
300,000$0.01359$4,077.00
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.