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Littelfuse 5KP18A Datasheet & Stock

The 5KP series Transient Voltage Suppression (TVS) diode is designed to protect sensitive electronic equipment from voltage transients caused by lightning strikes and other transient events. It is suitable for safeguarding I/O interfaces, VCC buses, and other vulnerable circuits. Features include a 5000W peak pulse power capability at a 10x1000µs waveform, a glass-passivated junction for reliability, excellent clamping capability, low incremental surge resistance, and a low duty cycle of 0.01%. The device has a working voltage of 12V IR and provides ESD protection according to IEC 61000-4-2 as well as EFT protection as per IEC 61000-4-4. It is available in both unidirectional and bidirectional versions and operates across a temperature range of -55°C to 175°C.

Authorized Distributors
Source:Newark
Part No:5KP18A
Stock:97
Inv Date:05-28-2026
Price: Unit price: $3.3
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Part No:5KP18A
Stock:0
Inv Date:05-29-2026
Price: N/A
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Part No:5KP18A
Stock:0
Inv Date:05-29-2026
Price: N/A
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Part No:5KP18A
Stock:0
Inv Date:05-29-2026
Price: N/A
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Source:DigiKey
Part No:5KP18A
Stock:675
Inv Date:05-28-2026
Price: Unit price: $0.5176
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Source:DigiKey
Part No:5KP18A
Stock:1242
Inv Date:05-28-2026
Price: Unit price: $1.03688
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Source:DigiKey
Part No:5KP18A
Stock:1000
Inv Date:05-28-2026
Price: Unit price: $1.15
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Part No:5KP18A
Stock:712
Inv Date:05-29-2026
Price: Unit price: $3.27
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Part No:5KP18A
Stock:42
Inv Date:05-29-2026
Price: Unit price: $1.42
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Authorized Distributors
Part No:5KP18A
Stock:0
Inv Date:05-28-2026
Price: Unit price: $2.39
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Part No:5KP18A
Stock:0
Inv Date:05-28-2026
Price: Unit price: $1.72
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Part No:5KP18A
Stock:0
Inv Date:05-28-2026
Price: Unit price: $1.23
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Part No:5KP18A
Stock:725
Inv Date:05-28-2026
Price: Unit price: $0.8987
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Part No:5KP18A
Stock:0
Inv Date:05-28-2026
Price: Unit price: $1.23
Buy/RFQ:
Part No:5KP18A
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.4506
Buy/RFQ:
Part No:5KP18A
Stock:725
Inv Date:05-28-2026
Price: Unit price: $0.8987
Buy/RFQ:
Part No:5KP18A
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.4506
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Part No:5KP18A
Stock:0
Inv Date:05-28-2026
Price: Unit price: $1.45
Buy/RFQ:
Authorized Distributors
Part No:5KP18A
Stock:204
Inv Date:05-29-2026
Price: N/A
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Frequently Asked Questions

Where can I buy Littelfuse 5KP18A?

You can click on the BUY or RFQ button to purchase 5KP18A from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part 5KP18A?

You can download the 5KP18A datasheet or visit the Littelfuse website for support.

Who is the manufacturer of 5KP18A?

Littelfuse

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