P4SMA400A is out of stock and can be placed on backorder.
Available Substitutes:

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Vishay General Semiconductor - Diodes Division
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Vishay General Semiconductor - Diodes Division
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Eaton - Electronics Division
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MCC (Micro Commercial Components)
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548V Clamp 800mA Ipp Tvs Diode Surface Mount DO-214AC (SMA)
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
548V Clamp 800mA Ipp Tvs Diode Surface Mount DO-214AC (SMA)
TO-214AC SMA

P4SMA400A

DigiKey Part Number
P4SMA400ATR-ND - Tape & Reel (TR)
P4SMA400ACT-ND - Cut Tape (CT)
P4SMA400ADKR-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
P4SMA400A
Description
TVS DIODE 342VWM 548VC DO214AC
Manufacturer Standard Lead Time
12 Weeks
Customer Reference
Detailed Description
548V Clamp 800mA Ipp Tvs Diode Surface Mount DO-214AC (SMA)
Datasheet
 Datasheet
EDA/CAD Models
P4SMA400A Models
Product Attributes
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Category
Voltage - Clamping (Max) @ Ipp
548V
Mfr
Current - Peak Pulse (10/1000µs)
800mA
Series
Power - Peak Pulse
400W
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Power Line Protection
No
Part Status
Active
Applications
General Purpose
Type
Zener
Operating Temperature
-65°C ~ 150°C (TJ)
Unidirectional Channels
1
Mounting Type
Surface Mount
Voltage - Reverse Standoff (Typ)
342V
Package / Case
DO-214AC, SMA
Voltage - Breakdown (Min)
380V
Supplier Device Package
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (4)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
P4SMA400A-M3/5AVishay General Semiconductor - Diodes Division0P4SMA400A-M3/5A-ND$0.15985Similar
P4SMA400A-M3/61Vishay General Semiconductor - Diodes Division0112-P4SMA400A-M3/61TR-ND$0.56000Similar
P4SMA400AEaton - Electronics Division0283-P4SMA400ATR-ND$0.38000Similar
SMAJP4KE400A-TPMCC (Micro Commercial Components)0353-SMAJP4KE400A-TP-ND$0.17182Similar
In-Stock: 0
5,000 estimated in stock on 16-Feb-2027
Request Stock Notification
All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$0.40000$0.40
10$0.36200$3.62
100$0.26800$26.80
500$0.24700$123.50
1,000$0.20200$202.00
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
5,000$0.17200$860.00
10,000$0.16856$1,685.60
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.