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
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The Atlas ZEN is ideal for testing Zener diodes (including avalanche diodes), transient suppressors, LEDs and LED strings.
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Product
Shunt Voltage References
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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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Shunt Regulators
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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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Signal Interface
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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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Diode Tester
FEC VF40CM
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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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Product
Capacitor Leakage Current/IR Meter
Chroma 11200
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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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Rebuilt Testers
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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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Limiter Diodes
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The SemiGen SLP7100 series of Limiter Diodes are processed with a high-resistivity epi that have thin intrinsic layers. These devices are typically in the 2 to 20 micron range of epi thickness and can be gold doped to achieve specific performance goals. These diodes are used in passive or active limiter designs in the 100 MHz to 30 GHz frequency ranges. They are ideal for use in high-power applications and can be supplied in chip form or in your choice of packages below.
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Rectifier Diodes
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Chip Diodes from Bourns has emerged that offers the capability to provide a silicon diode with minimal packaging overhead. The small signal 0603, 1005 and 1206 Chip Diodes are lead free with Cu/Ni/Au plated terminations while the other packages (SMA, SMB, SMC, 1408, 1607, 2010, 2419, 8L NSOIC, 16L NSOIC, SOT23, SOT23-6, 16L WSOIC) use 100% Tin terminations. All Bourns® diodes are compatible with lead free manufacturing processes, conforming to many industry and government regulations on lead free components.
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Product
Diode Laser Driver
D200
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The D200 is a compact, DC-coupled fast laser driver, providing up to 4 amps of regulated constant current. A built-in edge-triggered pulse generator produces up to 1 microsecond pulse widths and 2 nanosecond transition times, capable of driving lasers with forward voltages up to 9 volts. A pulse-follower mode is also provided, accommodating externally-defined trigger widths up to 100% duty continuous-wave (CW). Power, pulse width, drive current and differential triggering functions are accessible through a ribbon cable header for embedded OEM applications. A low-inductance laser drive interface permits direct laser connection or custom interposer and flex-cable attachment.
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Product
Modules - Modules, Diode
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Diode modules from Vishay feature a range of technologies including FRED Pt®, HEXFRED®, and high performance Schottky, with reverse voltage ratings up to 2500 V and forward current ratings up to 600 A.
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Product
Laser Diode Driver
S-101
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LD Driver slot module of FOTS system is an efficient module that is user centered, which can drive various kinds of laser diode for the use of optical signal transmission or light source. The module has a built in LD socket, in which LD of 14 pin butterfly type is installed, which makes it possible for the user to change the LD he or she wants to drive when needed. It is leaded to get rid of the inefficiency of expense, at which various types of expensive united source module needed are purchased. By operating monitoring PD and high-performance processor that are installed inside the module, the output power and temperature of LD can be driven accurately and stably. The laser diodes can be modulated internally in square, sinusoidal, and triangular waves and its output power and temperature can also be maintained the level set by the user. In order to realize the various functions, the efficient and multi-functioned control programs with high speed processor, LCD monitor or GUI for remote control are available.
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Diode Power probe
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The COMM-connect 3026 Diode based temperature compensated probe is designed for use with the COMM-connect range of Power Monitors. The probe will handle from 50µW to 100mW . Used with external couplers and the our measurement system application from 1W to 1MW, a high dynamic range can be configured. The 3026 Diode based probe gives excellent stable results along with the COMM-connect Power Monitor variants. This gives our customers a number of applications to monitor and control the last part of your RF network installation from transmitters to the antenna.
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Diode Lasers
6-Watt Blue Engraving Laser
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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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PIN Diodes
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PIN photodiodes convert light to current – without a bias voltage having to be applied. Silicon is commonly used as an inexpensive detector material in the Vis range. For higher demands, InGaAs is used; it covers the widest spectral range from the Vis to the NIR. We offer silicon carbide as a “solar-blind” detector specifically for the UV range.
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Schottky Diodes
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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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Laser Diode Modules
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Fiber-coupled laser diodes are finding more and more industrial applications, for example in printing technology, comparable graphic areas, material processing or sensor technology.
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Silicon Carbide Diodes
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In addition to ensuring compliance with today's most stringent energy efficiency regulations (Energy Star, 80Plus, and European Efficiency), ST's silicon-carbide diodes show four times better dynamic characteristics with 15% less forward voltage (VF) than standard silicon diodes. Silicon-carbide diodes belong to our STPOWER family.
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Pump Laser Diode Driver
S-110
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•LD Driver, EDFA, ASE Broadband Source, 1X4 Optical Switch•Variable Optical Attenuator, Wavelength Meter•SOA Driver, SLED Driver, Pump LD Driver•Pattern Generator & BERT, SFP Transceiver Driver•4Channel Optical Return Loss Meter (Light Source & Power Meter)
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Automotive-grade Diodes
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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 Characterization System
58620
System
The Chroma 58620 Laser Diode Characterization Station is a state-of-the-art full turnkey system specially designed for laser diode testing. Features range from macro inspection of the facet or aperture active area to a full suite of electro-optical parametic tests.
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Fast Recovery Diodes
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We offer high-performance products with low forward voltage (VF) and high-speed reverse recovery time (trr) for increasing device efficiency.
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Diode Laser Systems and Fiber Lasers
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The HighLight Series of direct-diode systems and fiber lasers are robust and easy-to-use. These systems have a proven track record in industrial materials processing applications.
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Diode Module Scanners
Scan500
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Frothingham Electronics Corporation
The Scan500 scanners are add-on scanners for diode modules, to be used with a tester such as the FEC200.
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Tunable Diode Laser Absorption Spectroscopy
5100P TDLAS Transportable
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Using tunable diode laser absorption spectroscopy, the 5100P is a transportable, easy-to-use analyzer optimized to measure either water vapor (H2O) or carbon dioxide (CO2) in select gas streams.
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Laser Diode Drivers (LDD)
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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 Driver & Laser System Controllers
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The laser controllers provide a simple method of controlling Lumina and other popular laser diode drivers or full laser systems. They include the ability to easily control current levels, pulse modes, and interlock controls as well as monitor voltage and current levels as well as q-switch triggering, external triggering, sync output, and additional I/O signals.
