1.5KE20A-AT/B is available for purchase but is not normally stocked.
Available Substitutes:

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1.5KE20A-AT/TR13
YAGEO
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Unit Price: £0.11923
Datasheet
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27.7V Clamp 54.9A Ipp Tvs Diode Through Hole DO-201
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

1.5KE20A-AT/B

DigiKey Part Number
13-1.5KE20A-AT/BTB-ND - Tape & Box (TB)
Manufacturer
YAGEO
Manufacturer Product Number
1.5KE20A-AT/B
Description
TVS DIODE 17.1VWM 27.7VC DO201
Manufacturer Standard Lead Time
33 Weeks
Customer Reference
Detailed Description
27.7V Clamp 54.9A Ipp Tvs Diode Through Hole DO-201
Datasheet
 Datasheet
Product Attributes
Type
Description
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Category
Mfr
YAGEO
Series
1.5KE-AT
Packaging
Tape & Box (TB)
Part Status
Active
Type
Zener
Unidirectional Channels
1
Voltage - Reverse Standoff (Typ)
17.1V
Voltage - Breakdown (Min)
19V
Voltage - Clamping (Max) @ Ipp
27.7V
Current - Peak Pulse (10/1000µs)
54.9A
Power - Peak Pulse
1500W (1.5kW)
Power Line Protection
No
Applications
-
Capacitance @ Frequency
-
Operating Temperature
-55°C ~ 150°C (TJ)
Grade
Automotive
Qualification
AEC-Q101
Mounting Type
Through Hole
Package / Case
DO-201AA, DO-27, Axial
Supplier Device Package
DO-201
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Available To Order
Check Lead Time
Quantity
All prices are in GBP
Tape & Box (TB)
QuantityUnit PriceExt Price
1,000£0.12218£122.18
2,000£0.11155£223.10
3,000£0.10608£318.24
5,000£0.09990£499.50
7,000£0.09621£673.47
10,000£0.09262£926.20
25,000£0.08680£2,170.00
Manufacturers Standard Package
Unit Price without VAT:£0.12218
Unit Price with VAT:£0.14662