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Littelfuse LA Metal Oxide Varistor 748 V Varistor Voltage 2700 V Clamping Voltage 50 A Clamping Current Radial V420LA20AP
Specifications
| Country of Origin | India |
|---|---|
| Diameter | 17mm |
| Brand | Littelfuse |
| Material | Metal |
| THICKNESS | 7.3mm |
| Length | 32mm |
| Model | V420LA20AP |
| Depth | 7.3mm |
| Packaging | Tape & Reel |
| Mount Type | Radial |
| Series | LA |
| Energy Rating | 360J |
| Maximum Operating Temperature | 85°C |
| Capacitance | 300pF |
| Minimum Operating Temperature | -55°C |
| Maximum dc Voltage | 560V dc |
| Standards/Approvals | RoHS, UL, CSA, Halogen-Free |
| Package/Case | Radial Leaded Ceramic Disc |
| Pin Count | 2 |
| Termination Style | Radial |
| Lead Pitch | 8.5mm |
| Maximum AC Voltage | 420V ac |
| Clamping Voltage VC | 2700V |
| Clamping Current | 50A |
| Maximum Surge Current | 4.5kA |
| Varistor Voltage | 748 V |
Key Features
- Designed for AC power line protection with maximum AC voltage of 420 V.
- Radial leaded ceramic disc construction ensures reliable surge protection.
- Capacitance of 300 pF supports transient voltage suppression.
- Clamping current rating of 50 A enables high energy absorption.
- Operating temperature range from -55°C to 85°C for diverse industrial applications.
- Energy rating of 360 J for effective transient energy dissipation.
- Lead pitch is 8.5 mm for easy PCB mounting.
- Package includes tape & reel for efficient automated assembly.
Product Description
Littelfuse V420LA20AP Metal Oxide Varistor is a high-quality radial leaded ceramic disc designed for industrial and commercial surge protection applications. It operates with a varistor voltage of 748 V and a clamping voltage of 2700 V, making it suitable for continuous operation across AC power lines with a maximum AC voltage of 420 V.
The device features a capacitance of 300 pF and a clamping current capacity of 50 A, allowing it to absorb transient surges and protect sensitive electrical components effectively. Its construction with metal oxide material and radial leads enables robust mechanical and electrical performance.
Designed for reliable operation in harsh conditions, the varistor supports a wide operating temperature range from -55°C to 85°C and offers an energy rating of 360 Joules. The package style includes tape & reel format, facilitating efficient automated installation on printed circuit boards. The 8.5 mm lead pitch optimizes mounting on standard PCB layouts.
This varistor complies with important global standards including RoHS, UL, CSA, and is halogen free, fulfilling modern environmental and safety requirements. Typical applications include transient voltage suppression in motor control circuits, telecom, automotive systems, solenoid and power supply protections, ensuring data integrity and component longevity.
AC power line surge protection with continuous operation capability. High energy rating for absorbing large transient surges effectively. Wide operating temperature range suitable for industrial environments. Radial leaded ceramic disc enhances mechanical stability and ease of mounting.
Compliance with multiple international safety and environmental standards.
Ideal for industrial, commercial, and automotive electronics applications where reliable transient voltage suppression is required. Browse more high-quality Varistors and surge protection components at EnvMart.
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Frequently Asked Questions
The varistor voltage of this model is 748 V, making it suitable for protecting against transient voltage surges.
This varistor can handle a maximum AC voltage of 420 V, which is ideal for AC power line applications.
The clamping voltage for this model is 2700 V, allowing it to protect against high voltage surges effectively.
It has an energy rating of 360 Joules, enabling it to absorb significant transient energy.
The clamping current capacity of this varistor is 50 A, which supports high energy absorption during surges.
The varistor has a diameter of 17 mm, a length of 32 mm, and a thickness of 7.3 mm, making it suitable for standard PCB layouts.
It operates within a temperature range of -55°C to 85°C, making it suitable for various industrial applications.
The varistor is packaged in a tape & reel format, facilitating efficient automated assembly on PCBs.
This model complies with RoHS, UL, CSA, and is halogen-free, meeting modern environmental and safety requirements.
It features a radial leaded ceramic disc construction, which enhances mechanical stability and ease of mounting.
This varistor is suitable for applications such as motor control circuits, telecom, automotive systems, and power supply protections.
The maximum DC voltage rating for this varistor is 560 V, providing additional versatility in its applications.
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