DMN3900UFA-7B is out of stock and can be placed on backorder.
Available Substitutes:

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Nexperia USA Inc.
In Stock: 2,000,000
Unit Price: $0.03861
Datasheet
N-Channel 30 V 550mA (Ta) 390mW (Ta) Surface Mount X2-DFN0806-3
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

DMN3900UFA-7B

DigiKey Part Number
DMN3900UFA-7BTR-ND - Tape & Reel (TR)
DMN3900UFA-7BCT-ND - Cut Tape (CT)
DMN3900UFA-7BDKR-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
DMN3900UFA-7B
Description
MOSFET N-CH 30V 550MA 3DFN
Manufacturer Standard Lead Time
12 Weeks
Customer Reference
Detailed Description
N-Channel 30 V 550mA (Ta) 390mW (Ta) Surface Mount X2-DFN0806-3
Datasheet
 Datasheet
Product Attributes
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Category
Vgs(th) (Max) @ Id
950mV @ 250µA
Mfr
Gate Charge (Qg) (Max) @ Vgs
0.7 nC @ 4.5 V
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Vgs (Max)
±8V
Part Status
Active
Input Capacitance (Ciss) (Max) @ Vds
42.2 pF @ 25 V
FET Type
Power Dissipation (Max)
390mW (Ta)
Technology
Operating Temperature
-55°C ~ 150°C (TJ)
Drain to Source Voltage (Vdss)
30 V
Mounting Type
Surface Mount
Current - Continuous Drain (Id) @ 25°C
Supplier Device Package
X2-DFN0806-3
Drive Voltage (Max Rds On, Min Rds On)
1.8V, 4.5V
Package / Case
Rds On (Max) @ Id, Vgs
760mOhm @ 200mA, 4.5V
Base Product Number
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (1)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
PMH550UNEHNexperia USA Inc.2,000,0001727-8579-2-ND$0.03861Similar
Available To Order
Factory Stock: 240,000
10,000 estimated in stock on 21-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$0.37000$0.37
10$0.29000$2.90
100$0.17380$17.38
500$0.16096$80.48
1,000$0.10946$109.46
2,000$0.10077$201.54
5,000$0.09658$482.90
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
10,000$0.09588$958.80
20,000$0.08466$1,693.20
30,000$0.08213$2,463.90
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.