Q4008R4 is out of stock and backorders are currently unavailable.
Available Substitutes:

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WeEn Semiconductors
In Stock: 5.798
Unit Price: 1,52000 €
Datasheet

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STMicroelectronics
In Stock: 0
Unit Price: 1,21000 €
Datasheet
TRIAC Standard 400 V 8 A Through Hole TO-220 Non-Isolated Tab
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
TRIAC Standard 400 V 8 A Through Hole TO-220 Non-Isolated Tab
TO-220-3, TO-220AB

Q4008R4

DigiKey Part Number
Q4008R4-ND
Manufacturer
Manufacturer Product Number
Q4008R4
Description
TRIAC 400V 8A TO220
Customer Reference
Detailed Description
TRIAC Standard 400 V 8 A Through Hole TO-220 Non-Isolated Tab
Datasheet
 Datasheet
Product Attributes
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Category
Current - Gate Trigger (Igt) (Max)
25 mA
Manufacturer
Littelfuse Inc.
Current - Hold (Ih) (Max)
50 mA
Packaging
Bulk
Configuration
Single
Part Status
Discontinued at DigiKey
Operating Temperature
-40°C ~ 125°C (TJ)
Triac Type
Standard
Mounting Type
Through Hole
Voltage - Off State
400 V
Package / Case
TO-220-3
Current - On State (It (RMS)) (Max)
8 A
Supplier Device Package
TO-220 Non-Isolated Tab
Voltage - Gate Trigger (Vgt) (Max)
1.3 V
Base Product Number
Current - Non Rep. Surge 50, 60Hz (Itsm)
83A, 100A
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (2)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
BT138-600E,127WeEn Semiconductors5.7981740-1042-ND1,52000 €Similar
BTB08-600CRGSTMicroelectronics0497-6675-5-ND1,21000 €Similar
In-Stock: 0
Due to temporary constrained supply, we are unable to accept backorders and lead time is not available at this time. View Substitutes or Alternative Package Types