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| Country of Origin | India |
|---|---|
| Diameter | 21.5mm |
| Brand | TDK |
| Material | Metal |
| THICKNESS | 5mm |
| Length | 25.5mm |
| Model | B72220S0171K101 |
| Packaging | Bulk |
| Series | Standard |
| Energy Rating | 98J |
| Maximum Operating Temperature | 85°C |
| Capacitance | 1.35nF |
| Minimum Operating Temperature | -40°C |
| Maximum dc Voltage | 225V dc |
| Standards/Approvals | VDE, UL, IEC, CSA, CQC |
| Pin Count | 2 |
| Termination Style | Solder |
| Lead Pitch | 10mm |
| Maximum AC Voltage | 175V ac |
| Clamping Voltage VC | 455V |
| Clamping Current | 100A |
| Maximum Surge Current | 8kA |
| Varistor Voltage | 270 V |
TDK B72220S0171K101 Standard Metal Oxide Varistor is a high-performance surge protection component designed for electronic and electrical applications. With a 1.35 nF capacitance and a robust clamping current rating of 100A, it effectively limits voltage spikes, protecting sensitive electronic circuits from transient surges.
This varistor operates within a wide temperature range of -40°C to 85°C, ensuring reliable stability across environmental conditions. Its construction features a ceramic body coated with epoxy resin and tinned copper wire leads, facilitating high durability and ease of soldering onto circuit boards.
Measuring 21.5mm in diameter, 25.5mm in length, and 5mm in thickness, this standard series varistor is designed for bulk packaging, ideal for manufacturing and repair applications requiring multiple units.
The rated maximum AC voltage is 175V with a DC maximum of 225V. The device is rated for a maximum surge current of 8 kA (8/20 μs waveform), making it suitable for transient energy absorption up to 98 joules. It complies with international approvals including UL, CSA, VDE, IEC, and CQC, ensuring product reliability and safety.
Applications include surge protection in power supplies, industrial electronics, telecommunications, and consumer electronics. The solder termination style and 10mm lead pitch allow for secure and stable PCB mounting.
1.35 nanofarads capacitance supports efficient surge suppression. Rated for a clamping current of 100 amps providing high surge absorption. Clamping voltage of 455 volts ensures protection against voltage spikes. Standard series with epoxy-coated ceramic body and tinned copper leads.
Operating temperature range from -40°C to 85°C for reliable performance. Compact dimensions with 21.5mm diameter and 25.5mm length. Termination style is solder suitable for PCB installations. Complies with VDE, UL, IEC, CSA, and CQC standards for quality assurance.
Energy rating of 98 joules supports transient energy absorption.
This metal oxide varistor is an essential component for industrial, manufacturing, electronic assembly, and laboratory use cases requiring sensitive circuit protection. Browse more Varistors and electronic components on EnvMart to meet your project requirements.
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