Allicdata Part #: | B72225S4251K101-ND |
Manufacturer Part#: |
B72225S4251K101 |
Price: | $ 1.33 |
Product Category: | Circuit Protection |
Manufacturer: | EPCOS (TDK) |
Short Description: | VARISTOR 390V 20KA DISC 27.5MM |
More Detail: | 390V 20kA Varistor 1 Circuit Through Hole Disc 27.... |
DataSheet: | B72225S4251K101 Datasheet/PDF |
Quantity: | 1000 |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
1000 +: | $ 1.20693 |
Series: | SuperioR, S25 |
Packaging: | Bulk |
Lead Free Status / RoHS Status: | -- |
Part Status: | Active |
Moisture Sensitivity Level (MSL): | -- |
Maximum AC Volts: | 250V |
Maximum DC Volts: | 320V |
Varistor Voltage (Min): | 351V |
Varistor Voltage (Typ): | 390V |
Varistor Voltage (Max): | 429V |
Current - Surge: | 20kA |
Energy: | 345J |
Number of Circuits: | 1 |
Operating Temperature: | -40°C ~ 105°C (TA) |
Mounting Type: | Through Hole |
Package / Case: | Disc 27.5mm |
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TVS – Varistors, MOVs, is the class for a B72225S4251K101 device. A Transient Voltage Suppressor (TVS) is an electrical device designed to protect sensitive electrical components such as semiconductors from the destructive effects of transient over-voltages.
The B72225S4251K101 device is a Varistor, particularly of the Metal Oxide Varistor (MOV) type. MOVs device are two or more varistors in series with the first one at the junction with the power line, and the last one at the junction with the protected component. MOVs devices will clamp, or absorb, any undesired transient voltages which may exceed the levels that the components are specified to withstand. MOVs have the added feature of allowing users to observe and control the amount of surge current flowing through the device. This is because the instantaneous peak current that an MOV will allow depends upon the instantaneous peak voltage that is applied to it.
MOVs are commonly used for protection in many applications, including consumer electronics, power supplies, automotive electronics, and telecom systems. In addition to offering superior surge protection, MOVs are also very cost-effective, providing higher levels of performance for a fraction of the cost of other alternatives.
The B72225S4251K101 is designed for power line protection in AC power systems. It is an ideal device for low-noise power line protection, due to its low leakage current and parasitic capacitance. It has a wide operating voltage range of 125 to 600 volts, and a maximum peak surge current of 250 amps. The device also features a low series inductance, low ESR, and is lead-free for compliance with RoHS requirements.
The working principle of the B72225S4
The specific data is subject to PDF, and the above content is for reference
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