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Zener Diode
current flow from cathode to anode reverses when zener voltage reached.
See Also: Diode, Laser Diode, Diode Test, Photodiode
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Atlas ZEN Zener Diode Analyser
ZEN50
The Atlas ZEN is ideal for testing Zener diodes (including avalanche diodes), transient suppressors, LEDs and LED strings.
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Signal Interface
Our signal interface products provide signal conversion and electrical isolation between sensors and other field devices and a control circuit. Intrinsic safety modules add Zener diodes, which limit the amount of electrical energy on intrinsically safe circuits.
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Shunt Regulators
These are the standard reference voltage source widely used by the feedback circuits of switching power supplies. Compared to the Zener diode, which is a discrete product, a shunt regulator has much better voltage precision because voltage control is carried out as an IC.
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Rebuilt Testers
Lorlin® manufacturers New and Rebuilt Discrete Component Semiconductor Test Systems for Transistors, Diodes, Zeners, Fets, IGBTs, SCRs, Triacs, Optos, Small Signal and Power Semiconductors. We measure, screen, test, analyze, characterize and sort the critical parameters of semiconductors devices including Leakage Current, Breakdown Voltage, Gain, Saturation Voltages, and offer a comprehensive test parameter library with an easy to use Windows based applications software. The systems us a Windows 10® 64-BIT Operating System with a USB 2.0 Interface. Engineering excellence, innovation, creativity and cutting edge technology has made Lorlin equipment well known for testing discrete components.
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Bipolar/FET/Diode Dual Head Production Test System
36XX
Two test stations on the 3600E and 3601E systems. Performs DC, AC, and pulsed tests. Excels at evaluating difficult to measure parameters on zeners, current limiters, varactor tuning diodes and darlingtons. 24 bin opto-isolated handler/prober interface. Parallel first-in first out computer to tester interface for maximum throughput. Parallel testing with a 3602E or 3603E allows shared test execution for extremely high throughput applications when interfaced to high speed handlers with multiple test sites.
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Single Head Component Testers
34XX
Performs DC, AC, and pulsed tests. Excels at evaluating difficult to measure parameters on zeners, current limiters, varactor tuning diodes, darlingtons and matched dual transistors. 24 bin opto-isolated handler/prober interface. Parallel first-in first out computer to tester interface for maximum throughput. Parallel testing with a 3402E or 3403E allows shared test execution for extremely high throughput applications when interfaced to high speed handlers with multiple test sites.
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Diode Tester
FEC VF40CM
Frothingham Electronics Corporation
The VF40CM is intended for testing VF, HALF CYCLE SURGE, and THERMAL RESPONSE/RESISTANCE on small- and medium-power diodes and rectifiers. It can also measure THERMAL RESPONSE/RESISTANCE on NPN and PNP bipolar transistors using an external user-supplied VCB supply.The VF40CM also is sometimes used to measure VZ of low-voltage zener diodes up to the compliance voltage limit of the tester. 20V at 20A is possible.
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Shunt Voltage References
Analog Devices offers a broad line of shunt precision voltage references that combine excellent accuracy and temperature stability with low noise and small packages. These devices operate in a manner that is functionally equivalent to a Zener diode. The bias current must be set higher than the sum of the maximum quiescent current of the voltage reference and the maximum expected load current. Since shunt voltage references are typically biased with a resistor, the voltage reference can operate on a wide range of input voltages.
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Automated Discrete Semiconductor Tester (ATE)
5000E
Same Proven Technology as all 5000 Series Testers. High Speed Single Test Measure. Capable of Testing Multiple and Mixed Devices. 1KV Standard, 2KV Optional. 1NA to 50A Standard, 100A Optional. 0.1NA Resolution. Complete Self Test. Auto-Calibration. RDSON to 0.1MOHM Resolution. Windows Application Software. Optional Scanner. Optional Wafer Mapping. Optional Curve Trace. MOSFET, IGBT, J-FETTriac, SCR, Sidac, Diac, Quadrac, STS, SBS Transistor, Diode, Opto, Zener Regulator, MOV, Relay. UNDER $23,000.00
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Programmable Parametric Tester For Discrete Semiconductors
IST-8800
IST Information Scan Technology, Inc.
The IST-8800 is a fully programmable, low cost tester that provides parameter measurements or parametric GO/NO GO test for transistors, diodes, MOS-FETs, Regulators, Triacs, Zeners, SCRs, and J-FETs. These devices can be tested up to 5 amps or 1200 volts with a measurement range down to the nano amp range. Only four universal test fixtures are required which can test the device across a wide range of packages.
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Capacitor Leakage Current/IR Meter
Chroma 11200
Chroma Systems Solutions, Inc.
The 11200 Capacitor Leakage Current / IR Meter is mainly used for electrolytic capacitor leakage current testing and aluminum-foil withstand voltage testing (EIAJ RC-2364A). The 11200 can also be used for active voltage checking or leakage current testing of absorber, Zener diode, and Neon lamp etc. With the standard RS232 interface, optional GPIB & Handler interfaces, high speed and stable measurement capabilities, the Chroma 11200 can be used for both component evaluation on the production line and for fundamental leakage current or IR testing for bench top applications.
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Diode Lasers
6-Watt Blue Engraving Laser
Advanced Photonic Sciences LLC
Can be used in laser engraving, marking, and cutting applications. Process wood, plastics, metals, anodized aluminum, stone, tile, and other materials. The adjustable spot can be adapted to the needed distance from laser to the material. The spot, with a size of <100 μm, creates very fine engravings and sharp cutting edges. The built-in driver accepts TTL and analog signals for power adjustments. The laser can be controlled between 0% and 100% of output power. It comes preset and needs only a power supply and a signal source.
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Diodes And Rectifiers
Vishay is a world leader in diodes and rectifiers, having a broad technology base and a solid position in automotive, industrial, computing, and consumer markets.
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Automotive-grade Diodes
ST's portfolio of automotive diodes is qualified to the AEC-Q101 standard and is intended for DC-DC converters used in numerous automotive functions. Most of these dedicated diodes are guaranteed in operation at junction temperatures as low as -40 °C and as high as +175 °C. The automotive-grade diodes belong to our STPOWER family.
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Laser Diode
Is an electrically pumped semiconductor laser in which the active laser medium is formed by a p-n junction of a semiconductor diode similar to that found in a light-emitting diode.
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Laser Diodes
Our laser diode portfolio is broad, extending from cw laser diodes to pulsed laser diodes to high-power laser diodes. For special areas of application VCSELs and quantum cascade lasers are also included in our range of products.
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PIN Diodes
The SemiGen SGP7000 series of PIN Diodes are processed with a high-resistivity epi that have intrinsic layers that range in thickness from 4 micron to 200 micron depending on performance specifications. These devices are typically manufactured with either a robust thermal-oxide passivation or ceramic glass for durable high-power applications. These diodes are made with a grown junction P++ layer that yields abrupt junction structures that provide low punch through voltages and minimize autodoping. They are available as chips or in your choice of packages.
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Step Recovery Diodes
SemiGen’s SSR series of Step Recovery Diodes are epitaxial silicon varactors which provide high output power and efficiencies in harmonic generator applications. Using custom epitaxial wafers, our process ensures high reproducibility. The silicon dioxide passivation process assures greater stability and low leakage currents over temperature. Uniform capacitance ensures repeatability from device to device. These diodes are available in chip or packaged form.
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Laser Diodes
ProPhotonix distributes Ushio ex OCLARO /Opnext, Osram, Panasonic, Sony, QSI and Ondax semiconductor laser diode products. Within this range we offer laser diodes with wide ranges of wavelengths and power outputs that suit the diverse needs of our customers.
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Laser Diode Drivers
Berkeley Nucleonics Corporation
Provides a laser diode with a stable, low-noise current source.
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Diode Lasers
Spot Creator
Advanced Photonic Sciences LLC
Spot Creator is an innovative accessory developed for enhancing the performance of blue laser diode based engraving and cutting machines. Spot Creator solves a major problem with using asymmetric blue laser diodes: the production of engraving features that are different in the X-Y directions, resulting in unequal or blurred lines. Using Spot Creator, line widths are equal in the X-Y directions, with a minimum spot of 50 μm. The intensity on the engraved part is thus maximized.
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Laser Diode
Yisinc Optical Technology Co., Ltd
Laser diode is an efficient radiation source for CW and pulsed operations.
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Laser Diode Drivers (LDD)
LDD technology has evolved from driving DVD/CD/Blue-ray optical drives to include laser projection in smartphones, automotive head-up displays (HUDs) and pico projectors. Renesas has developed new LDDs for RGB scanning laser projection systems and laser-based pico projectors. Automotive HUDs are benefiting from big innovations in MEMS projection systems and are now central to advanced driver assistance systems (ADAS) and safety. The latest laser scanned-MEMS projection systems can provide higher resolution images and at a lower cost.
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Diode Submounts
Ultra-precise patterning of thin film metals on dielectrics with high thermal conductivity are used for diode submount applications. Via the acquisition of Ion Beam Milling, Inc., SemiGen is the industry leader for laser diode submount fabrication. As each application is different, we work with customers to develop a custom design that perfectly fits their requirements. We have experience producing circuits utilizing substrates of varying thicknesses with high thermal conductivity such as alumina (Al), aluminum nitride (AlN), and beryllium oxide (BeO). SemiGen can deliver laser diode submounts with or without Au/Sn pads depending on your needs.
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Diode Tester
FEC200E
Frothingham Electronics Corporation
The FEC200E is an automatic computer- controlled diode and rectifier tester. It is controlled by a standard PC-compatible computer running FreeDOS.
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TVS Diodes
Power TVS diodes provide outstanding protection for both alternating current and direct current power line applications by a Power TVS diode in a surface mount package. When compared to other devices, such as MOVs, power TVS diodes provide much better protection. Bourns provides a broad voltage range of devices with surge current ratings ranging from 3, 6, 10, and 15 kA to suit a variety of applications.
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Laser Diode Testing
The low power series of burn-in and life test systems are designed to test the reliability of low power laser diodes up to 1 Amp in current. The modular design means they can test up to 2,048 lasers, however due to the flexibility of the system, it can be adapted to suit both low volume R&D environments and high volume production environments.
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Power Diodes
Renesas power diodes support the high performance and small size and weight of mobile and information devices.
