S4X8TSRP is out of stock and can be placed on backorder.
Available Substitutes:

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STMicroelectronics
In Stock: 0
Unit Price: $1.03000
Datasheet
SCR 400 V 800 mA Sensitive Gate Surface Mount SOT-223
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

S4X8TSRP

DigiKey Part Number
18-S4X8TSRPTR-ND - Tape & Reel (TR)
18-S4X8TSRPCT-ND - Cut Tape (CT)
18-S4X8TSRPDKR-ND - Digi-Reel®
Manufacturer
Manufacturer Part Number
S4X8TSRP
Description
SCR 400V 800MA SOT-223
Manufacturer Standard Lead Time
21 Weeks
Customer Reference
Detailed Description
SCR 400 V 800 mA Sensitive Gate Surface Mount SOT-223
Datasheet
 Datasheet
Product Attributes
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Category
Current - On State (It (RMS)) (Max)
800 mA
Manufacturer
Littelfuse Inc.
Current - Hold (Ih) (Max)
5 mA
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Current - Off State (Max)
3 µA
Part Status
Active
Current - Non Rep. Surge 50, 60Hz (Itsm)
8A, 10A
Voltage - Off State
400 V
SCR Type
Sensitive Gate
Voltage - Gate Trigger (Vgt) (Max)
800 mV
Operating Temperature
-40°C ~ 125°C
Current - Gate Trigger (Igt) (Max)
200 µA
Mounting Type
Surface Mount
Voltage - On State (Vtm) (Max)
1.7 V
Package / Case
TO-261-4, TO-261AA
Current - On State (It (AV)) (Max)
510 mA
Supplier Device Package
SOT-223
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (1)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
P0102DN 5AA4STMicroelectronics0497-2523-2-ND$1.03000Similar
Available To Order
Factory Stock: 3,000
1,000 estimated in stock on 13-May-2027

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$1.04000$1.04
10$0.65100$6.51
100$0.42550$42.55
500$0.32848$164.24
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
1,000$0.30020$300.20
2,000$0.27363$547.26
3,000$0.26009$780.27
5,000$0.24487$1,224.35
7,000$0.23586$1,651.02
10,000$0.22709$2,270.90
25,000$0.21238$5,309.50
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.