V751CA32 Allicdata Electronics
Allicdata Part #:

V751CA32-ND

Manufacturer Part#:

V751CA32

Price: $ 0.00
Product Category:

Circuit Protection

Manufacturer: Littelfuse Inc.
Short Description: VARISTOR 1200V 25KA DISC 32MM
More Detail: 1.2kV 25kA Varistor 1 Circuit Surface Mount Disc 3...
DataSheet: V751CA32 datasheetV751CA32 Datasheet/PDF
Quantity: 1000
Moisture Sensitivity Level (MSL): 1 (Unlimited)
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
1 +: 0.00000
Stock 1000Can Ship Immediately
$ 0
Specifications
Varistor Voltage (Typ): 1.2kV
Package / Case: Disc 32mm
Mounting Type: Surface Mount
Operating Temperature: -55°C ~ 85°C (TA)
Capacitance @ Frequency: 800pF @ 1MHz
Number of Circuits: 1
Energy: 700J
Current - Surge: 25kA
Varistor Voltage (Max): 1.32kV
Series: CA
Varistor Voltage (Min): 1.08kV
Maximum DC Volts: 970V
Maximum AC Volts: 750V
Moisture Sensitivity Level (MSL): --
Part Status: Obsolete
Lead Free Status / RoHS Status: --
Packaging: Bulk 
Description

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The V751CA32 is a series of varistors or voltage dependent resistors (VDRs) used in overvoltage protection circuits to quickly react to sharp voltage changes. Varistors are devices designed to protect sensitive equipment, circuits, and other components from overvoltage. This device operates when there is a sharp rise in AC or DC voltage and acts as a resistance to reduce this voltage level. It then returns to its normal state once the voltage is back within the acceptable range.

Varistors are used within a variety of different applications where protecting the circuit from overvoltage is a priority. This includes in power supplies, telecom systems, consumer electronics, medical devices, and automotive systems. When using varistors for overvoltage protection, it is important to select a model that permits an acceptable peak voltage while still providing the desired level of protection. Different types of varistors are used depending on the specific application and each has different characteristics.

The V751CA32 is a radial leaded disc ceramic varistor specifically designed for overvoltage and transient voltage protection. This varistor is particularly suited for consumer electronics, automotive, and telecom applications where a high IDC rating and fast response is needed. It has a broad working voltage range, with values of 10 to 1200 Vdc and a large clamping voltage range of 218 to 2530 V. It features a 7mm diameter, 32mm length, and low power consumption. The maximum peak pulse energy that this varistor can withstand is over 25 J.

The working principle of a varistor is based on its voltage-dependent properties. This is the result of its semiconductor construction, which consists of a p-type semiconductor and an n-type semiconductor. When a voltage is applied across the p-n junction, electrons will flow from the n-side to the p-side. As the voltage increases further, the number of electrons increases and eventually a diode becomes forward-biased and current begins to flow. This current is then rectified and the voltage across the junction is reduced, thereby reducing the voltage across the device. The V751CA32 has a limited capacitance and resistive features which defines its capabilities.

The V751CA32 is a versatile and reliable device widely used in a variety of applications to protect against excess voltage. It has a wide working voltage range, fast response time, and a large clamping voltage range. The device also has a high surge rating with a maximum peak pulse energy of 25 J. Overall, this is an excellent varistor for providing overvoltage protection in various applications.

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

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