MMBT5551-HF is out of stock and can be placed on backorder.
Available Substitutes:

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Diotec Semiconductor
In Stock: 0
Unit Price: $0.15000
Datasheet
Bipolar (BJT) Transistor NPN 160 V 600 mA 300MHz 300 mW Surface Mount SOT-23-3
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

MMBT5551-HF

DigiKey Part Number
641-MMBT5551-HFTR-ND - Tape & Reel (TR)
641-MMBT5551-HFCT-ND - Cut Tape (CT)
641-MMBT5551-HFDKR-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
MMBT5551-HF
Description
TRANS NPN 160V 0.6A SOT-23-3
Manufacturer Standard Lead Time
12 Weeks
Customer Reference
Detailed Description
Bipolar (BJT) Transistor NPN 160 V 600 mA 300MHz 300 mW Surface Mount SOT-23-3
Datasheet
 Datasheet
Product Attributes
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Category
DC Current Gain (hFE) (Min) @ Ic, Vce
200 @ 10mA, 5V
Mfr
Power - Max
300 mW
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Frequency - Transition
300MHz
Part Status
Active
Operating Temperature
150°C (TJ)
Transistor Type
Mounting Type
Surface Mount
Current - Collector (Ic) (Max)
600 mA
Package / Case
TO-236-3, SC-59, SOT-23-3
Voltage - Collector Emitter Breakdown (Max)
160 V
Supplier Device Package
SOT-23-3
Vce Saturation (Max) @ Ib, Ic
200mV @ 5mA, 50mA
Base Product Number
Current - Collector Cutoff (Max)
50nA (ICBO)
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (1)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
MMBT5551Diotec Semiconductor04878-MMBT5551TR-ND$0.15000Similar
In-Stock: 0
3,000 estimated in stock on 17-Dec-2026
Request Stock Notification
All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$0.23000$0.23
10$0.13900$1.39
100$0.08630$8.63
500$0.06320$31.60
1,000$0.05568$55.68
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
3,000$0.04611$138.33
6,000$0.04127$247.62
9,000$0.03880$349.20
15,000$0.03603$540.45
21,000$0.03438$721.98
30,000$0.03278$983.40
75,000$0.02927$2,195.25
150,000$0.02710$4,065.00
300,000$0.02527$7,581.00
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.