30KPA28A Allicdata Electronics

30KPA28A Circuit Protection

Allicdata Part #:

30KPA28ATR-ND

Manufacturer Part#:

30KPA28A

Price: $ 8.92
Product Category:

Circuit Protection

Manufacturer: Littelfuse Inc.
Short Description: TVS DIODE 28V 50V P600
More Detail: N/A
DataSheet: 30KPA28A datasheet30KPA28A Datasheet/PDF
Quantity: 4000
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)
800 +: $ 8.10537
Stock 4000Can Ship Immediately
$ 8.92
Specifications
Series: 30KPA
Packaging: Tape & Reel (TR) 
Lead Free Status / RoHS Status: --
Part Status: Active
Moisture Sensitivity Level (MSL): --
Type: Zener
Unidirectional Channels: 1
Voltage - Reverse Standoff (Typ): 28V
Voltage - Breakdown (Min): 31.28V
Voltage - Clamping (Max) @ Ipp: 50V
Current - Peak Pulse (10/1000µs): 606A
Power - Peak Pulse: 30000W (30kW)
Power Line Protection: No
Applications: General Purpose
Capacitance @ Frequency: --
Operating Temperature: -55°C ~ 175°C (TJ)
Mounting Type: Through Hole
Package / Case: P600, Axial
Supplier Device Package: P600
Description

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The 30KPA28A TVS Diode is a unidirectional device with a low profile package designed to protect sensitive electronics from damaging electrical surges. The device can withstand peak pulsed surge current up to 28 amperes (amps). It helps to protect sensitive systems from short-duration transient events such as lightning and electrostatic discharge (ESD).

Application Field

The 30KPA28A is mainly designed for use in transient voltage suppressors (TVS) devices for protection of low-voltage, sensitive electronics. Applications include protection against transient voltage surges and/or spike pulses in automotive and industrial systems. Typically, it is used on board microcontrollers, power supply and controlling circuits, audio and video applications, LCD displays, and modules for telecommunication.

Working Principle

The main working principle of the 30KPA28A is based on the avalanche breakdown of a diode. This breakdown occurs when a specific voltage is applied across the diode’s active component, resulting in an abrupt transition from the high-resistance non-conductive state to the low-resistance, highly conducting state. The reverse breakdown voltage is the minimum required voltage that must be applied in order for breakdown to occur. When used in a TVS device, the diode absorbs high-voltage transients from the system, keeping the system’s voltage level within its normal operating range.

When the TVS diode is energized, the transient spike current is quickly produced and the diode switches to a low-resistance state, allowing the current to flow through the diode. The diode then rapidly saturates, and its current-voltage relationship changes, thereby limiting the system’s voltage to a safe level. The transient current is then passed to a shunt element where it is drained back to the ground. This coupled with the initial current limiting ensures zero system voltage rise.

Once the transient has passed, the diode switches back to the high resistance state. In the quiescent period, the diode drops virtually no current from the system, thus ensuring a very low voltage drop across the diode. This makes the 30KPA28A especially suitable for use in remote sensing applications, where power dissipation and power loss are critical.

The 30KPA28A offers excellent temperature stability, reliability, low clamping voltage, and fast response time. This makes it the ideal solution for protecting sensitive systems from transient over-voltage conditions. Its low-profile package also makes it easy to integrate into system boards and chassis.

The specific data is subject to PDF, and the above content is for reference

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