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Gas Discharge Tube TVS Diodes ESD Diodes Resettable Fuse Thyristor Chip Varistor Metal Oxide Varistor Radial Lead PTC Spark Gap Protectors Zener Diodes Chip Beads Chip Inductors
The Latest Products
SCC-141N

Package:

Voltage: 140(98~182)V

SCB-141N

Package:

Voltage: 140(98~182)V

SCC-181N

Package:

Voltage: 180(126~234)V

  Gas Discharge Tube
    Ceramic gas discharge tube (Gas Tube) is a kind of switching devices are the most widely used lightning protection equipment, both AC and DC power supply lightning protection or various signal circuit protection, can use it to discharge lightning current into the earth. Its main features are: large discharge current, interelectrode capacitance (≤ 3pF), high insulation resistance (≥ 109), breakdown voltage larger dispersion (± 20%), slower (fastest was 0.1 ~ 0.2 μ s). According to the number of electrodes, a diode discharge and gas discharge tube (the equivalent of two diode discharge series) two. Its shape is cylindrical, with lead and without lead two structure forms (sometimes with overheating short-circuit protection card).
  TVS Diodes
    Transient voltage suppressor (TransientVoltageSuppressor) referred to as TVS pipe, electrical characteristics of the TVS tube is made of P-N junction area, doping concentration and wafer resist decision. The capacity and the P-N junction area high inrush current is proportional to the. The protection of TVS is widely used in semiconductor and sensitive devices, usually used to protect the two levels of power and signal circuit, and electrostatic. The characteristics of fast response speed (PS), small volume, pulse power is larger, the clamp voltage low. The 10/1000 μ s pulse power from 400W to 30KW, pulse peak current from 0.52A to 544A; the breakdown voltage is from 6.8V to 550V series, circuit for the different voltage use.
  ESD Diodes
    ESD represents the Electrostatic Discharge that "English electrostatic discharge" means. ESD is formed since the middle of this century to produce research and attenuation of electrostatic, electrostatic discharge model, electrostatic discharge effects such as current heat (spark) effect (such as fire and explosion caused by static electricity) and electromagnetic effects (such as electromagnetic interference) and other disciplines. In recent years, with the extensive application and the electromagnetic environment and the development of science and technology, microelectronic technology and more complex, electromagnetic fields such as electromagnetic interference effects on the electrostatic discharge (EMI) and electromagnetic compatibility (EMC) issues more seriously.
    Our ESD protection device is mainly composed of TVS ARRAY, a device by different package. It has the merits of small volume, low junction capacitance, fast response etc..
  Resettable Fuse
    SMD Resettable Fuse (PPTC: polymer resettable fuse) is a polymeric positive temperature coefficient thermistor, made with protection flow, can replace the current fuse. The circuit is in normal operation of its value is very small (pressure drop is very small), when the circuit over-current make it when the temperature rises, the resistance increases by several orders of magnitude, the current in the circuit is reduced below the safety value, so that the back circuit protection, over current disappears automatically restore to low resistance. The effect of the switching element is similar, but slow response.
  Thyristor
    Semiconductor overvoltage protection device is a new type of protection device according to the injection technology for the production of silicon controlled by using the principle of ion conduction, with accurate, quick response (ns level response time), absorptive capacity surge high strong, bidirectional symmetry, reliability. The flow capacity is the same size of TVS tube through the strong surge, can replace TVS tube used in the passive circuit. But its conduction properties close to the short, can not be directly used for the active circuit, used in such a circuit must be combined with current limiting element, the continued flow is less than the minimum to maintain current. Semiconductor overvoltage protection device is mounted, in-line and axial lead type three kinds of packages.
  Chip Varistor
    Chip Varistor (SMD Varistor) is a kind of varistor. It is the electric shock protection device Zinc Oxide nonlinear resistance element as the core and made of. Zinc Oxide nonlinear resistor is to Zinc Oxide (ZnO) as the main material, adding a variety of other trace elements, compound semiconductor element is made of ceramic technology. It is the fundamental characteristics of nonlinear current voltage. When added to the voltage across it is below a certain threshold voltage, namely "the varistor voltage", the resistance value greatly, as the megohm levels; and when more than the breakdown voltage in the voltage across it, resistance value increases with the voltage increasing rapidly decline, can be small to Ohm, milliohm level.
  Metal Oxide Varistor
    Varistor is pressing device of a the most used limit. Varistor with silicon carbide varistor and Zinc Oxide varistor. Commonly used is Zinc Oxide (ZnO) pressure sensitive resistance, which is mainly based on Zinc Oxide as raw material, add a variety of trace metal oxides, mixed molding, an overvoltage protection device sintering assembly, the outside encapsulating epoxy resin (which can add pigment).
  Radial Lead PTC

     The Radial Lead Resettable Fuse(PPTC: polymer resettable fuse) is a polymeric positive temperature coefficient thermistor, made with protection flow, can replace the current fuse. The circuit is in normal operation of its value is verysmall (pressure drop is very small), when the circuit over-current make itwhen the temperature rises, the resistance increases by several orders of magnitude, the current in the circuit is reduced below the safety value, so that the back circuit protection, over current disappears automatically restore to low resistance. The effect of the switching element is similar, but slow response.

  Spark Gap Protectors
    Spark Gap Protectors/Glass discharge tube (potent discharge, lightning protection tube) is a new lightning protection device at the end of twentieth Century, it has ceramic gas discharge tube and semiconductor overvoltage protection device has the advantages of: high insulation resistance (≥ 108), interelectrode capacitance (≤ 0.8pF), the larger the discharge current (up to 3kA), bidirectional symmetry, fast reaction speed (no impulse breakdown hysteresis), stable and reliable performance, low turn-on voltage, in addition to the DC high voltage (up to 5000V), the advantages of small volume, long service life etc.. Its disadvantage is that the DC breakdown voltage larger dispersion (± 20%). According to its 8/20 μ S wave pulse discharge current size of IPP into SCC (3kA), SCB (1kA), SCA (500A) three series.
  Zener Diodes
    Zener diode, English name is Zener diode, also called zener diode. The diode is a semiconductor device until the critical reverse breakdown voltage of all have very high resistance. In this critical breakdown point, reverse resistance is reduced to a very small value, in the low resistivity zone in the current increases while the voltage is kept constant, zener diode is classified according to the breakdown voltage regulator tube, because of this characteristic, mainly is as a regulator or voltage reference element use. Zener diode can be connected in series for use in high voltage, the series can be obtained more stable voltage.
  Chip Beads
    High frequency noise and interference peak inhibition of signal lines dedicated to beads, the power line, but also has the ability to absorb the static pulse. The bead is used to absorb the UHF signal, like some of the RF circuit, PLL, an oscillation circuit, memory circuit with ultra high frequency (DDRSDRAM, RAMBUS) are needed in the power input part with magnetic beads, and the inductance is an energy storage element, used in the LC oscillation circuit, the low frequency filter circuit, the frequency range a little more than 50MHZ. Magnetic resistivity and permeability is high, equivalent to the resistance and inductance in series, but the resistance value and the inductance value varies with frequency.
  Chip Inductors
    Inductance (inductance of an ideal inductor) is a property of closed loop, is a physical quantity. When the coil through the current in the coil, magnetic field induction formation, the induced magnetic field will produce induced current against the current in a coil. The interaction between the current and the coil is called the electrical inductance, also is the inductance, the unit is "Henry (H)", named after the American scientist Joseph Henry.
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