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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Diode Power Sensor
8487D
Excellent SWR for reducing mismatch uncertainty Accurate calibration and traceability to US National Institute of Standards and Technology (NIST) millimeter-wave sensor calibration Compatible with EPM (new N1913A/ 14A, E4418B/ 19B), EPM-P (E4416A/ 17A) and P-series (N1911A/ 12A) power meters, plus the E1416A VXI and discontinued 70100A and 43X power meter Accurate average power measurements over -70 to -20 dBm Frequency range 50 MHz to 50 GHzDiode power sensing element
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Diode Power Sensor
8481D
The 8481D diode power sensor measures average power over the frequency range 10 MHz to 18 GHz and power range -70 to -20 dBm (50 dB dynamic range).
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Tunable Diode Laser (TDL) Analyzers
Teledyne Analytical Instruments
Tunable Diode Laser (TDL) Analyzers by Teledyne Analytical Instruments
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Solid State PIN Diode Transfer Switch, 100 MHz to 8 GHz
P9400A
The Keysight P9400A solid state PIN diode transfer switch offers outstanding performance in terms of port-to-port isolation, switching speed and low insertion loss over a broad operating frequency range of 100 MHz to 8 GHz. The P9400A is particularly well-suited for ultra-fast RF and microwave switching applications in instrumentation, communications, radar, switch matrices and various other test systems where high isolation, speed and lifetime of a switch are critical.
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Diode Lasers
Laser Diode Micro-Modules
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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Modules - Modules, Diode
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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Low-Barrier Schottky Diode Detector, 10 MHz to 18 GHz
8473B
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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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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Noise Suppression Products / EMI Suppression Filters / TVS Diodes (ESD Protection Devices)
Murata noise suppression products include compact EMI suppression filters that efficiently eliminate noise, L Cancel Transformers (LCTs) that greatly suppress noise in high-frequency bands by reducing the ESL generated inside capacitors and in boards, and TVS Diodes that guard semiconductor devices against electrostatic discharge from external sources. Murata supplies products that support a variety of approaches to suppressing noise.
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Laser Diode Light Current Voltage (LIV) Test Instruments
The Yelo LIV test instrument allows LIV measurements to be taken from laser devices loaded into a Yelo module. This module can also be used with the Yelo Y1000L Low Power Burn-in system. The LIV test instrument has been designed for easy operation. Once powered on, and with laser supply enabled, the touch screen can be used to initiate, monitor and review measurements of laser devices.
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Modular Laser Diode Test System (PXI/PXIe)
LTS8620
The LTS8620 test system is a modular PXI test system for testing and qualifying laser diodes. The system is able to generate extremely short current pulses. This minimizes the effects of heat on the laser diode.
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Handheld Digital Multimeter, AC/DC Voltage, Continuity, Diode, Resistance, Temperature, 3.5, 2000
72-13435
*Clear LCD Display*Equipped with comfortable protective cover, test probe holder*2m drop test, precision protection*Auto Power Off*Auto Backlight Off*Loud Buzzer Sound*Knobs shift smoothly, in-line with ergonomics*Powered by AAA 1.5V x 2 batteries*12-month limited warranty *view Terms & Conditions for details
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Millimeter-wave and Microwave GaAs Diodes
Keysight Technologies provides MMIC diodes ideal for microwave radio, aerospace and defense, and instrumentation applications.
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LIMITER P-I-N DIODES FROM 0.7 TO 9.55 GHz
They prevent failure of of input amplifying stage of low-noise receivers with radio pulse power up to 5000 Watt. They can also be applied as seperate units without power supply and acting as controlled switches. This component is very valuable for radar applications because the high power transmitter and extremely sensitive receiver work with a single antenna.
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Low-Barrier Schottky Diode Detector, 10 MHz to 26.5 GHz
8473C
The Keysight 8473C 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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Rotating Diode Assembly, P/N 6118CA
CEHCO is a specialist in the repair of Rotating Diode Assemblies.
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SP5T RF Pin Diode Switches To 12 GHz
Pulsar Microwave's 5-way RF switches cover bands from 300 MHz to 12 GHz in both absorptive and reflective configuration. These SP5T switches have a rating of 200 mW maximum input power and a switching time of 100 ns. They are specified with a minimum isolation of 60 dB and most models maintain a VSWR of 1.6:1 or better on all ports. The SP5T switches are driven by TTL logic control circuitry and require both positive and negative 5-volt supplies for operation. A 9-pin D-SUB connector provides the interface for the power and logic voltages.
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Planar-Doped Barrier Diode Detector, 10 MHz to 12 GHz
8471E
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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Diode Pumped Actively Q-switched Lasers
NL120 Series
NL120 series electro-optically Q-switched nanosecond Nd:YAG lasers provide up to 10 J per pulse with excellent stability. The innovative, diode‑pumped, self‑seeded master oscillator design results in Single Longitudinal Mode (SLM) output without the use of expensive narrow linewidth seed diodes and cavity‑locking electronics.
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LIV – High-power Laser Diode Testing
An important aspect of the development and manufacture of laser diodes is the so-called laser diode characterization, or laser IV curve. By applying increasing current to the laser diode so it that emits light, the optical output is measured together with the voltage drop across the diode element. The resulting LIV curve reveals important clues about the quality of manufacture and the performance of the laser diode, enabling a pass/fail decision to be met.
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External Cavity Diode Lasers
ECDLs
High-performance ECDLs and injection-locked optical amplifier.
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Bypass Diode Tester
BDT
Our bypass diode thermal tester is designed to assess the adequacy of the thermal design and long-term reliability of PV modules bypass diodes, which are used to limit the detrimental effects of module hot spot susceptibility.
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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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Diode Laser Driver
D200
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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Bridge Rectifier Diodes
ST’s portfolio of bridge rectifier diodes is intended for primary bridges. In input primary bridge applications, ST's 1200V bridge diodes achieve very low conduction losses thanks to very low forward voltage characteristics. They can operate at up to +175 °C junction temperature, as a result of reduced leakage currents. Bridge rectifier diodes are belonging to the STPOWER family.
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Manual Tunable Littman/Metcalf Diode Laser System
Lion
Littman / Metcalf Tunable External Cavity Diode Laser, 630nm .. 1770nm, up to 100mW, patented technology, hands-off operation, large mode-hop free piezo tuning range, narrow linewidth, free space and fiber coupled versions. Check our ar-coated diode stock list for availability.
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PIN Diodes
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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CW IMPATT DIODES FROM 30 TO 140 GHz
Insight Product Company offers IMPATT diodes with CW power up to 400 mW and operational frequency range up to 140 GHz. Silicon p+-p-n-n+ IMPATT diodes are designed to be used in the millimeter wave oscillators and amplifiers. They are fabricated in the metal-ruby packages with hard-lead carrier (diameter 3.0 mm, 1.5 mm).
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Osram Direct Emission Green Laser Diodes (510 - 530nm)
The Optoelectronics Company Ltd
The PLT3 520D laser diode can deliver 140mW pulses at 520nm with 8% efficiency, driven at 300mA at 50% duty cycle – OSRAM's previous limit was 80mW with the PL 520B. This new diode has been developed to work in MEMS-based scanners.
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Step Recovery Diodes
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.
