| Allicdata Part #: | P121ZFTR-ND |
| Manufacturer Part#: |
ERZ-CF2MK121 |
| Price: | $ 0.43 |
| Product Category: | Circuit Protection |
| Manufacturer: | Panasonic Electronic Components |
| Short Description: | VARISTOR 120V 200A 2SMD JLEAD |
| More Detail: | 120V 200A Varistor 1 Circuit Surface Mount, MLCV 2... |
| DataSheet: |  ERZ-CF2MK121 Datasheet/PDF |
| Quantity: | 2000 |
| Lead Free Status / RoHS Status: | Contains lead / RoHS non-compliant |
| Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
| 2000 +: | $ 0.39425 |
| Series: | ZNR® |
| Packaging: | Tape & Reel (TR) |
| Lead Free Status / RoHS Status: | -- |
| Part Status: | Obsolete |
| Moisture Sensitivity Level (MSL): | -- |
| Maximum AC Volts: | 75V |
| Maximum DC Volts: | 100V |
| Varistor Voltage (Min): | 108V |
| Varistor Voltage (Typ): | 120V |
| Varistor Voltage (Max): | 132V |
| Current - Surge: | 200A |
| Energy: | 2.5J |
| Number of Circuits: | 1 |
| Operating Temperature: | -40°C ~ 85°C (TA) |
| Mounting Type: | Surface Mount, MLCV |
| Package / Case: | 2-SMD, J-Lead |
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TVS (Transient Voltage Suppressors) components are devices used to protect sensitive circuits and equipment from high-level power surges or indirect lightning strikes. The ERZ-CF2MK121 is a typical example of this type of surge protector. It is a Bidirectional 2-line TVS Diode with an unidirectional clamping voltage of 128V (surge withstand voltage of 1000A 8x20µs).
The ERZ-CF2MK121 is designed to dissipate excessive energy in an over-voltage condition, protecting two circuits. Its design includes two elements: a surge element and a negative voltage element, both connected in series. The surge element consists of a low-impedance, normally-closed back to back zener diode. The negative element is a high-speed thyristor triggered by a negative voltage applied at the thyristor\'s gate.
The device can operate up to a temperature of 125°C and provides a low clamping voltage with excellent transient peak power dissipation capabilities. It also features a very low leakage current and low capacitance for excellent performance. Its bidirectional design also ensures that both lines are protected from typical surge events. In addition, the device features an integrated zener diode for additional protection against excess voltages.
The device operates by clamping the voltage when an over-voltage event occurs. The surge element is the first to respond, and it absorbs the initial surge energy. The surge energy is then dissipated within the device, while the negative voltage element quickly clamps the voltage, preventing further over-voltage spikes. This combination allows the ERZ-CF2MK121 to effectively protect circuits and equipment against excess power surges.
In conclusion, the ERZ-CF2MK121 is an ideal choice for users needing to protect circuits and equipment from surges or spikes. Its low leakage current, low capacitance, and temperature rating all make it suitable for a variety of applications. As a reliable, bidirectional, two-line TVS diode, it provides excellent surge protection in a variety of environments.
The specific data is subject to PDF, and the above content is for reference
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