JANTX1N4467DUS

Series:	Military, MIL-PRF-19500/406
Packaging:	Bulk
Part Status:	Active
Voltage - Zener (Nom) (Vz):	12V
Tolerance:	±1%
Power - Max:	1.5W
Impedance (Max) (Zzt):	7 Ohms
Current - Reverse Leakage @ Vr:	200nA @ 9.6V
Voltage - Forward (Vf) (Max) @ If:	1V @ 200mA
Operating Temperature:	-65°C ~ 175°C
Mounting Type:	Surface Mount
Package / Case:	SQ-MELF, A
Supplier Device Package:	D-5A

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Introduction JANTX1N4467DUS is a single, low-current, low-capacitance, oxide-passivatedsurge-limiting, silicone (Si) Zener diode. JANTX1N4467DUS utilizes a silicon chip, jointed to a metal body, with a controlled oxygen pressure applied to the junction in order to improve its breakdown voltage. This diode is designed to be used in TV tuners, monitors, routers and other associated electronic equipment, and is available in a plastic surface-mount package with advantage over traditional diode packages. Classification of JANTX1N4467DUS JANTX1N4467DUS falls under the classification of Diodes - Zener - Single due to its capacitance, surge-limiting and single package formation. A single is defined as the presence of only one p-n junction within the diode which is opposed to a double where two junctions are present each of which has its own characteristics. Zener diodes is a type that behaves in a special way in the reverse-bias mode. In this case, the electric current increases for new applied voltages until it reaches the switching point - the breakdown voltage. Diodes are classified by their ability to allow electric current only in one direction and also by their capacity to regulate the electric current. Application Field JANTX1N4467DUS is commonly used in TV tuners, monitors, routers, and other associated electronic equipment. It is designed to limit surges so it can protect electronic components from high-voltage or over-voltage incidents. The JANTX1N4467DUS is especially useful in application that require low capacitance or low-current operation. The major applications of JANTX1N4467DUS can be divied into two categories. The first category is applications in performance-demanding environments. These include high-frequency, high-reliability medical and industrial equipment, communication equipment and automotive electronics. JANTX1N4467DUS is typically used to provide power quality and act as a voltage regulator. The second category is applications where size and space constraints dictate the use of JANTX1N4467DUS. Small and compact embedded systems where space is at a premium require efficient heat dissipation, which can be provided by JANTX1N4467DUS. It is also used in noisy and high-power environment such as direct current inverters, solar cell inverters, and DC-DC converters.Working Principle The working principle of the JANTX1N4467DUS is based on the silicon chip, jointed to a metal body, with a controlled oxygen pressure applied to the junction. This silicon chip is made up of two regions, an N-type region in the center and a P-type region on the outside. When voltage of the same polarity is applied on both ends of the JANTX1N4467DUS, the N-type electron flows away, leaving the P-type region depleted of all electrons. The oxygen pressure applied to the junction enables the Zener diode to breakdown at a predetermined voltage, known as the Zener voltage. During this period, the electron from the N-type region will move back to the P-type due to the produced electric field. To keep the electric field within a safe limit and prevent damaging of internal circuitry, the manufacturers have added a maximum power rating to the JANTX1N4467DUS. Conclusion JANTX1N4467DUS is a single, low-current, low-capacitance, oxide-passivated surge-limiting, silicone (Si) Zener diode used in TV tuning, monitor, routers, and other electronic equipment. It works by utilizing silicon chip with two different regions, with oxygen pressure at the junction, so is can breakdown at the predetermined voltage known as the Zener voltage. The major applications of JANTX1N4467DUS are both in performance-demanding environments like medical and industrial equipment and in spaces with size and space constraints like embedded systems requiring efficient heat dissipation.

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