Allicdata Part #: | V120ZS20P-ND |
Manufacturer Part#: |
V120ZS20P |
Price: | $ 0.22 |
Product Category: | Circuit Protection |
Manufacturer: | Littelfuse Inc. |
Short Description: | VARISTOR 120V 6.5KA DISC 20MM |
More Detail: | 120V 6.5kA Varistor 1 Circuit Through Hole Disc 20... |
DataSheet: | V120ZS20P Datasheet/PDF |
Quantity: | 1000 |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
10000 +: | $ 0.19492 |
Varistor Voltage (Typ): | 120V |
Package / Case: | Disc 20mm |
Mounting Type: | Through Hole |
Operating Temperature: | -55°C ~ 85°C (TA) |
Capacitance @ Frequency: | 5000pF @ 1MHz |
Number of Circuits: | 1 |
Energy: | 33J |
Current - Surge: | 6.5kA |
Varistor Voltage (Max): | 132V |
Series: | ZS |
Varistor Voltage (Min): | 108V |
Maximum DC Volts: | 102V |
Maximum AC Volts: | 75V |
Moisture Sensitivity Level (MSL): | -- |
Part Status: | Active |
Lead Free Status / RoHS Status: | -- |
Packaging: | Tape & Reel (TR) |
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TVS (Transient Voltage Suppressor) diodes, together with MOVs (Metal Oxide Varistors) and Varistors are widely used components for overvoltage protection and designed to protect circuits against transient overvoltages (surge) and AC line disturbances. Among them, V120ZS20P is a 20A, 600V Ultra Fast response part which is made specially for low voltage power segment such as high frequency switching supplies.
The V120ZS20P is a silicon low capacitance diode specifically suited for signal line protection applications. This device is a Silicon Avalanche diode, on board the chip contains 17 reverse-parallel diodes, fabricated with thin-film technology, providing a bidirectional on chip response. It works as a voltage limiter, clamping the voltage to a level synchronized with a fast responding clamping voltage, lower than the peak surge voltage, thus protecting equipment from the damages caused by such transients.
This small size part is able to dissipate enough power to protect almost all modern bus/signal lines. It also provides peak current capability to protect sensitive circuits against voltage transients and surges. Its low capacitance allows working in high frequencies up to 1GHz, making it suitable for the signal line protection.
The high energy absorption capability of the V120ZS20P presents very low static and dynamic capacitance values making it provide a low EMI/RFI and low loss attenuation. The total capacitance (CT) is 50 pF or less in the frequency range of 1 to 100 MHz, and the RMS current rating is 20A.
The operation of the device depends on a pair of circuits connected in parallel. When the power supply is off, the voltage across each circuit is equal. When a surge of negative voltage occurs, the negative voltage appears across one of them, which allows current to flow through the circuit, tripping the V120ZS20P into clamping mode and limiting the voltage level to a pre-determined level.
The four components of V120ZS20P are capable of providing very good stability and long operating life for the circuit. An additional feature of this device is the internal thermal shutdown which will reduce current into the circuit if an over temperature condition occurs. This also prevents overloading of the circuit which might risk current surges in the event of a short circuit.
In summary, the V120ZS20P is a high performance 20A, 600V Ultra Fast response device for low voltage power segment applications. It provides superior overvoltage protection, low capacitance, EMI/RFI shielding, high peak current capability and an internal thermal cut-off. All these features work together to provide a robust protection to sensitive circuits and ensure smooth performance.
The specific data is subject to PDF, and the above content is for reference
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