APT1221SX is out of stock and can be placed on backorder.
Available Substitutes:

Parametric Equivalent


Panasonic Electric Works
In Stock: 0
Unit Price: $1.76000
Datasheet

Parametric Equivalent


Panasonic Electric Works
In Stock: 0
Unit Price: $0.93064
Datasheet
Optoisolator Triac Output 3750Vrms 1 Channel 4-SOP
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

APT1221SX

DigiKey Part Number
255-APT1221SXTR-ND - Tape & Reel (TR)
255-APT1221SXCT-ND - Cut Tape (CT)
255-APT1221SXDKR-ND - Digi-Reel®
Manufacturer
Manufacturer Part Number
APT1221SX
Description
OPTOISOLTR 3.75KV TRIAC 1CH 4SOP
Manufacturer Standard Lead Time
14 Weeks
Customer Reference
Detailed Description
Optoisolator Triac Output 3750Vrms 1 Channel 4-SOP
Datasheet
 Datasheet
Product Attributes
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Category
Current - On State (It (RMS)) (Max)
50 mA
Manufacturer
Panasonic Electric Works
Current - Hold (Ih)
3.5mA
Series
Turn On Time
100µs (Max)
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Voltage - Forward (Vf) (Typ)
1.21V
Part Status
Active
Current - DC Forward (If) (Max)
50 mA
Output Type
Triac
Operating Temperature
-40°C ~ 100°C
Zero Crossing Circuit
No
Mounting Type
Surface Mount
Number of Channels
1
Package / Case
4-SMD, Gull Wing
Voltage - Isolation
3750Vrms
Supplier Device Package
4-SOP
Voltage - Off State
600 V
Approval Agency
cUR, VDE
Static dV/dt (Min)
500V/µs
Base Product Number
Current - LED Trigger (Ift) (Max)
10mA
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (2)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
APT1221SPanasonic Electric Works0255-1523-5-ND$1.76000Parametric Equivalent
APT1221SZPanasonic Electric Works0APT1221SZ-ND$0.93064Parametric Equivalent
In-Stock: 0
1,000 estimated in stock on 27-Sep-2027
Request Stock Notification
All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$1.66000$1.66
10$1.18300$11.83
100$0.89300$89.30
500$0.76466$382.33
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
1,000$0.72274$722.74
2,000$0.68721$1,374.42
3,000$0.66899$2,006.97
5,000$0.64844$3,242.20
7,000$0.63623$4,453.61
10,000$0.62432$6,243.20
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.