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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Product
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 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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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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Product
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
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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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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Product
Millimeter Wave Zero Bias GaAs Schottky Diode
HSCH-9161
Diode Detector
The HSCH-9161 is suitable for medium-low barrier, zero bias detector applications. The HSCH-9161 is functional through W-band (110 GHz) and can be mounted in microstrip, finline, and coplanar circuits.
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Product
Low-Barrier Schottky Diode Detector, 0.01 to 18 GHz
33330B
Diode Detector
The Keysight 33330B low-barrier schottky diode detector has been widely used for many years in a variety of applications including leveling and power sensing. It offers good performance and ruggedness. Matched pairs (Option 001) offer very good detector tracking.
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Product
Low-Barrier Schottky Diode Detector, 10 MHz to 12.4 GHz
423B
Diode Detector
The Keysight 423B Low-Barrier Schottky Diode detector has been widely used for many years in a variety of applications including leveling and power sensing. It offers good performance and ruggedness. Matched pairs (Option 001) offer very good detector tracking. A video load (Option 002) extends the square-law region to at least 0.1 mW (-10 dBm).
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Product
Low-Barrier Schottky Diode Detector, 10 MHz to 18 GHz
8473B
Diode Detector
The Keysight 8473B Low-Barrier Schottky Diode (LBSD) detector has been widely used for many years in a variety of applications including leveling and power sensing. It offers good performance and ruggedness. Matched pairs (Option 001) offer very good detector tracking.
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Product
Low-Barrier Schottky Diode Detector, 10 MHz to 18 GHz
8472B
Diode Detector
The Keysight 8472B Low-Barrier Schottky Diode (LBSD) detector has been widely used for many years in a variety of applications including leveling and power sensing. It offers good performance and ruggedness. Matched pairs (Option 001) offer very good detector tracking. A video load (Option 002) extends the square-law region to at least 0.1 mW (-10 dBm).
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Product
Planar-Doped Barrier Diode Detector, 0.01 to 33 GHz
8474C
Diode Detector
The Keysight 8474C is a high-performance detector using a gallium arsenide, planar-doped barrier detecting element. It features extremely flat frequency response over its entire band of operation and very good frequency response stability versus temperature. The Keysight 8474C is also very rugged with high resistance to ESD damage. The Keysight 8474C detector is available with a 3.5-mm (mates with SMA, 0.01 to 33 GHz) connector. This detector offers the options for optimal sqaure-law loads (Option 102) and for positive polarity output (option 103). Because the unit-to-unit frequency response tracking of this device is typically better than 0.3 dB, no matched response option is offered.
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Product
Planar-Doped Barrier Diode Detector, 10 MHz to 12 GHz
8471E
Diode Detector
The Keysight 8471E is a low-cost, planar-doped barrier detector offering excellent performance from 10 MHz to 12 GHz. It has an SMA male input connector and an SMC male output connector.
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Product
Waveguide Detector, 26.5 to 40 GHz
R422C
Diode Detector
The Keysight R422C is an 26.5 to 40 GHz GaAs planar-doped barrier diode detector. This waveguide detector has negative output polarity.
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Product
Planar-Doped Barrier Diode Detector, 0.01 to 18 GHz
8474B
Diode Detector
The Keysight 8474B is a high-performance detector using a gallium arsenide, planar-doped barrier detecting element. It features extremely flat frequency response over its entire band of operation and very good frequency response stability versus temperature. The Keysight 8474B is also very rugged with high resistance to ESD damage. The Keysight 8474B detectors are available with 0.01 to 18 GHz and a type-N connector. This detector offers options for optimal square-law loads (Option 102) and for positive polarity output (Option 103). Because the unit-to-unit frequency response tracking of these devices is typically better than plus or minus 0.3 dB, no matched response option is offered.
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Product
Low-Barrier Schottky Diode Detector, 10 MHz to 26.5 GHz
33330C
Diode Detector
The Keysight 33330C low-barrier schottky diode detector has been widely used for many years in a variety of applications including leveling and power sensing. It offers good performance and ruggedness. Matched pairs (Option 001) offer very good detector tracking.
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Product
TVS Diodes
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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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PIN Diodes
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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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Product
Diode Lasers
Laser Diode Micro-Modules
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Advanced Photonic Sciences LLC
Advanced Photonic Sciences (APS) has introduced a new product line of Laser Diode Micro-Modules (LDMM’s) that address the need for a simple, robust, reliable, and cost-effective platform on which to mount, provide heatsinking for, collimate, and power semiconductor laser diodes. The use of laser diodes in scores of applications has become ubiquitous, and our new products make mounting, collimating, heatsinking, and providing power leads for such applications easier than ever.
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Laser Diode Driver
LDD100
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Artifex Engineering GmbH & Co. KG
The LDD100 employs a digitally programmable analogue end stage for flexible and accurate current control. Currents of up to 600A with pulse durations of 50ns to 3s are generated with rise and fall times of 70ns (F-version) or 600ns (XL-version) – essentially without overshoot. Due to the flexibility in setup and control, the LDD100 is practical for many laboratory applications. For automated measurements, the unit may be directly controlled via the USB interface. Alternatively, all parameters may be input via the graphical software or via the integrated keypad and OLED display.
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Product
Diodes
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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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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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Steering Diodes
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ProTek's low capacitance Steering Diode Arrays provide high-speed data line and I/O port protection from transients caused by Electrostatic Discharge (ESD), Electrical Fast Transients (EFT), Tertiary Lightning and other induced voltages. Steering diodes divert the transient to the power-bus or ground and away from sensitive IC components.
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Laser Diodes
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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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Power Diodes
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Renesas power diodes support the high performance and small size and weight of mobile and information devices.
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Step Recovery Diodes
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Macom Technology Solutions Holdings Inc.
MACOM’s Silicon and GaAs varactor multiplier diodes provide broadband performance ranging from 10 MHz to 70 GHz. They are ideal for multiplier circuits and are available in die form, plastic and ceramic packaging. These diodes boast a flip chip series for higher frequency millimeter wave applications; plastic packaged series for microwave frequency surface mount applications; ceramic packaged series for high power waveguide and coaxial applications.
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Diode Lasers
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The large spectral coverage of our diode lasers combined with the compact form factor, direct modulation capability (up to 150 MHz), true off during modulation (>70 dB aspect ratio), and integrated spectral clean-up filters make them ideal for applications in high resolution bioimaging, flow cytometry, optogenetics and quantum technologies.
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Product
Tunable Diode Laser
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Tunable diode laser absorption spectroscopy (TDLAS) is a fast, accurate, non-contact gas analysis technique that responds quickly to changing analyte concentrations. It is a proven technology free of interferences from other sample stream components.
