ZTX551 is out of stock and can be placed on backorder.
Available Substitutes:

Direct


Diodes Incorporated
In Stock: 1,243
Unit Price: £0.87000
Datasheet
Bipolar (BJT) Transistor PNP 60 V 1 A 150MHz 1 W Through Hole E-Line (TO-92 compatible)
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

ZTX551

DigiKey Part Number
ZTX551-ND
Manufacturer
Manufacturer Product Number
ZTX551
Description
TRANS PNP 60V 1A E-LINE
Customer Reference
Detailed Description
Bipolar (BJT) Transistor PNP 60 V 1 A 150MHz 1 W Through Hole E-Line (TO-92 compatible)
Datasheet
 Datasheet
Product Attributes
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Category
DC Current Gain (hFE) (Min) @ Ic, Vce
50 @ 150mA, 10V
Mfr
Power - Max
1 W
Packaging
Bulk
Frequency - Transition
150MHz
Part Status
Last Time Buy
Operating Temperature
-55°C ~ 200°C (TJ)
Transistor Type
Mounting Type
Through Hole
Current - Collector (Ic) (Max)
1 A
Package / Case
E-Line-3
Voltage - Collector Emitter Breakdown (Max)
60 V
Supplier Device Package
E-Line (TO-92 compatible)
Vce Saturation (Max) @ Ib, Ic
350mV @ 15mA, 150mA
Base Product Number
Current - Collector Cutoff (Max)
100nA (ICBO)
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (1)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
ZTX551STZDiodes Incorporated1,24331-ZTX551STZCT-ND£0.87000Direct
Last Time Buy
Request Stock Notification
Last Time Buy Date: 28/10/2026
All prices are in GBP
Bulk
QuantityUnit PriceExt Price
4,000£0.20997£839.88
Manufacturers Standard Package
Unit Price without VAT:£0.20997
Unit Price with VAT:£0.25196