V271DHB34 Allicdata Electronics
Allicdata Part #:

V271DHB34-ND

Manufacturer Part#:

V271DHB34

Price: $ 8.88
Product Category:

Circuit Protection

Manufacturer: Littelfuse Inc.
Short Description: VARISTOR 430V 40KA SQUARE 34MM
More Detail: 430V 40kA Varistor 1 Circuit Through Hole Square 3...
DataSheet: V271DHB34 datasheetV271DHB34 Datasheet/PDF
Quantity: 1000
Moisture Sensitivity Level (MSL): 1 (Unlimited)
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
180 +: $ 8.07534
Stock 1000Can Ship Immediately
$ 8.88
Specifications
Varistor Voltage (Typ): 430V
Package / Case: Square 34mm, Tabs
Mounting Type: Through Hole
Operating Temperature: -55°C ~ 85°C (TA)
Capacitance @ Frequency: 4500pF @ 1MHz
Number of Circuits: 1
Energy: 400J
Current - Surge: 40kA
Varistor Voltage (Max): 473V
Series: DHB34
Varistor Voltage (Min): 387V
Maximum DC Volts: 369V
Maximum AC Volts: 275V
Moisture Sensitivity Level (MSL): --
Part Status: Active
Lead Free Status / RoHS Status: --
Packaging: Bulk 
Description

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TVS generators are used to protect sensitive electronics from transient overvoltage that can be caused by lightning, electric motors, switches, and other sources that can lead to destructive voltage surges. The V271DHB34, produced by TE Connectivity, is an advanced TVS generator that uses a metal oxide varistor (MOV) technology. This device is designed for industrial applications requiring high protection levels and circuit continuity, while providing a low operating voltage and power for the user.

The V271DHB34 helps to protect power switching devices, transformers, and other sensitive electronics from harmful overvoltage by providing a voltage safety window and providing a low-voltage, low-power operating solution. Its metal oxide varistor technology allows it to sense a transient voltage greater than its own operating voltage, then act to limit the magnitude of the transient. This helps to protect sensitive electronic components that could be damaged by an excessive voltage spike.

The V271DHB34 metal oxide varistor is designed to operate with a clamping voltage of 27 V DC to a maximum operating voltage of 17 V DC. It can be used in operating temperatures ranging from –40°C to +85°C and its capacitance can range from 52 to 63 pF. The device can be used in a variety of applications, including SCR/IGBT protection, inductor current sensing, surge protection, and AC/DC bridging.

The V271DHB34 is an easy-to-use device. Its high-speed transient clamping technology provides instant protection in the event of a transient, and its rugged construction ensures that it can withstand harsh environments and a wide range of temperatures. Additionally, the device is approved to the IEC 61158-3 industrial standard, ensuring its functionality and safety.

In terms of its operating principle, the V271DHB34 is designed to absorb the transient energy spike and dissipate it in a controlled fashion. It works by clamping the voltage at a predefined level, while the capacitor filters out any residual voltage. When the transient event passes, the circuit gradually returns to a normal operating voltage level.

In summary, the V271DHB34 is an effective device for protecting industrial electronics from transient overvoltages. Its metal oxide varistor technology enables it to respond quickly to transient voltage changes and protect sensitive electronics, while providing a low-voltage, low-power operating solution. Additionally, its robust construction ensures that it can handle harsh environmental conditions and a wide range of temperatures.

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

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