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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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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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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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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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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 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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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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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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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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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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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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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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Laser Diode
Is a Polarization Maintaining CWDM Coaxial DFB-LD for CWDM analog communication, CATV return-path, laboratory instrument, and R&D applications. This cost-effective, high reliability DFB laser chip has a selectable wavelength with range between 1270 nm to 1610 nm. The versatile DFB-CWDM also features a built-in InGaAsP monitor photodiode, built-in optical isolator and 4-pin coaxial- pigtailed package, single mode coupling, and an FC/APC connector. Contact Optilab for more information.
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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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Laser Diodes
With over 30 years of considerable experience in photonics industry, USHIO offers a wide range of high-quality Laser Diodes. They are available in different intensities and sizes, suitable for each and any application. These are industrial quality, reliable laser diodes offering high powers and low operating currents, long lifetimes and energy efficiency. All USHIO laser diodes are RoHS compliant. It is also possible to produce Laser Diodes to customer specifications. We offer technical support helping you select the ideal laser diode to get the most from your application. For laser diodes we are offering both test data and wavelengths selection on request. Please feel free to contact us (link) – we will be happy to help you.
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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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Schottky Diodes
SemiGen’s Silicon Schottky Diodes are designed for applications through 40Ghz. The special process technology utilizes various metal schemes to provide excellent performance of Low, Medium, and High Barrier applications. The end result is a low resistance diode with tightly controlled capacitance which allows for optimum performance. Low conversation loss and superior TSS make these diodes ideal for detector / mixer applications with frequency ranges from S band to Ka band as well as modulators, lower power limiters and high speed switches.
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Diodes
Development target specification*PD=5W class*Capability for load dump surge：ISO7637-2, JASO A-1*Reliability standard：AEC-Q101*Package size：[W×L×H] 12.0×9.6×4.3(mm)
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THz Diodes
Macom Technology Solutions Holdings Inc.
The intrinsic cutoff frequencies of these Schottky junction devices exceed 1 THz, making them well-suited for use in mixers and detectors operating in the frequency bands from 60 GHz into the hundreds of GHz bands.
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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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Diode Lasers
6-Watt Blue Spot Creator
Advanced Photonic Sciences LLC
*Simple Installation On X-Y-Z CNC Machines*Adjustable Focusing Lens to Create 50, 80, and 100 Micron Diameter Spots*Create High Intensities on Target*Self-Contained Fully Integrated Laser Module Including High Power Blue Diode, Active Cooling, Beam-Forming Optics, and Power Supply*Stable Output Power*Precision Engineering*Rapid Engraving, Etching, and Marking*Modulate Up To 250 kHz*Proportional Control in CW Mode Using 5V CW Signal*High Efficiency*Simple to Power Up and Operate
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Diode Lasers
Offering diode lasers in a wide range of wavelengths, power, and package configurations. Providing optimum solutions for applications in laser pumping, materials processing, medical, defense, and instrumentation.
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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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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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Schottky Barrier Diodes
ST's small-signal and power Schottky diode range features diodes from 15 V up to 200 V (with the STPS60SM200C) made of robust avalanche capable technologies. Schottky barrier diodess belong to our STPOWER family.
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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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Laser Diode Drivers
Arroyo Instruments offers a broad range of laser drivers to meet your exact test needs. From 100 milliamps to 100 Amps, all of Arroyo Instruments' LaserSource benchtop laser drivers include unique features not found on competing products such as optically isolated photodiode and modulation inputs, programmable PD bias, and both RS232 and USB computer interfaces. The LaserSource also has laser diode protection circuits such as interlock, ESD protection, and hardware limits for current and voltage.
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.13u ESD diode
Impulse TSMC
The Impulse TSMC .13u ESD diode was made to provide ESD discharge paths when integrating third party IP in an integrated circuit design for total ESD protection. The Impulse ESD diode has been successfully used with Dolphin Technologies, Artisan/ARM, TriCN/Synopsis I/O libraries, as well as popular IP blocks from RAMBUS, Chip Idea and other quality IP vendors. A 5.5 volt reverse bias anode to cathode operational specification enables the Impulse TSMC .13u ESD diode to be the device of choice for 5 volt tolerant designs.
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Schottky Mixer and Detector Diodes
Macom Technology Solutions Holdings Inc.
Schottky diodes are majority carrier diodes formed by plating a layer of metal on a layer of doped semiconductor, which forms a rectifying junction. The type of metal and the type of dopant in the semiconductor determines the diode’s barrier height, which is a measure of the amount of energy required to force the diode into forward conduction. MACOM produces Si Schottky diodes as well as GaAs Schottky diodes for use as signal detectors or in frequency mixers.
