Last Updated： Aggregation Period:Aug 12, 2026～Sep 08, 2026
This ranking is based on the number of page views on our site.
Last Updated： Aggregation Period:Aug 12, 2026～Sep 08, 2026
This ranking is based on the number of page views on our site.
Last Updated： Aggregation Period:Aug 12, 2026～Sep 08, 2026
This ranking is based on the number of page views on our site.
361～390 item / All 639 items
- Zero-bias Schottky diode - Output signal optimized for terahertz power - Ideal for terahertz imaging
- Zero-bias Schottky diode - Output signal optimized for terahertz power - Ideal for terahertz imaging - Two versions: high sensitivity / wide bandwidth - The ultra-fast version enables measurement of all THz pulses
![[Column] What is the principle of LED light emission? An explanation of color representation methods.](https://image.mono.ipros.com/public/product/image/458/2001529909/IPROS1258124121412944505.jpg?w=280&h=280)
What is the principle of LED light emission? An explanation of color representation! / Leave electrical and electronic circuit and control board development to Nippo! /
An LED is a semiconductor device that emits light when an electric current passes through it. Due to reasons such as low power consumption, long lifespan, and the absence of ultraviolet and infrared rays, lighting fixtures using LEDs have become widespread. An LED is formed by joining two types of semiconductors: "p-type semiconductor" and "n-type semiconductor." The p-type semiconductor has a high concentration of holes (positive charge carriers), while the n-type semiconductor has a high concentration of electrons (negative charge carriers). ■ Flow of the LED Light Emission Principle 1. Apply a forward voltage to the LED. 2. When voltage is applied, the "holes" in the LED move towards the "n-type semiconductor" side, and the "electrons" move towards the "p-type semiconductor" side. 3. At the junction of the p-type and n-type semiconductors, holes and electrons combine, generating light energy and causing the LED to emit light. Thus, the light emission of an LED is a mechanism where electrical energy is directly converted into light within the semiconductor. The color of the light emitted by an LED varies depending on the semiconductor materials that make up the LED. The wavelength of the light produced differs based on the compounds used in each semiconductor, allowing for the combination of compounds to express different colors. At Nippo, we offer a wide range of services from electrical and electronic circuit design to printed circuit board design. Please feel free to contact us.
![[Basic Knowledge Material] Flywheel Diode (Mecatro Communication No. 38)](https://image.mono.ipros.com/public/product/image/798/2001396849/IPROS30888336045095925853.png?w=280&h=280)
Introducing the flywheel diode essential for driving and energizing DC solenoids! The necessity of flywheel diodes and key points for selection!
At Shin Denko Mechatronics, we publish "Mechatro Communication" with the aim of fostering better communication with our customers. In issue No. 38, we introduce the "Flywheel Diode." We provide a detailed explanation of its necessity, insertion, and selection, using diagrams and graphs. The content is designed to be easy to reference when selecting products, so please feel free to download it and read it. [Contents] ■ Necessity ■ Insertion of Flywheel Diode ■ Selection of Flywheel Diode ■ Issues ■ Conclusion *For more details, please download the PDF or feel free to contact us.
It is a photodiode with high linearity and programmable features.
Manufacturer: Discovery Semiconductors (USA) Discovery's HLPD photodiode is a photoelectric conversion device characterized by high output and high linearity. It features wideband operation up to 22GHz and high RF output performance, converting optical signals into electrical signals with high precision. With an integrated thermoelectric cooler (TEC) and temperature sensor, it achieves stable operation and low noise. It is ideal for cutting-edge applications that require wide bandwidth and high dynamic range, such as RF over Fiber and optical microwave oscillators and measurement applications. ------------------------------------------------------ Product Lineup ------------------------------------------------------ ● TE-cooled High Linearity Photodiode (xHLPD) ● High Linearity InGaAs Photodiode (HLPD) Lab Buddy up to 22GHz
Ultra-flat and wideband spectral characteristics! Built-in tap and power monitor functions.
This product is a hybrid component that combines the ultra-flat spectral sensitivity of a thin-film tap with a high-sensitivity PIN photodiode for power monitoring. It utilizes a single temperature-stable device package for both functions. It can be used for signal or pump laser source power monitoring using PM fiber pigtails. 【Features】 ■ Ultra-flat and wideband spectral characteristics ■ Built-in tap and power monitor functions ■ Corning SMF-28 or polarization-maintaining fiber *For more details, please download the PDF (English version) or feel free to contact us.
We will introduce the average lifespan and precautions to take when handling.
A semiconductor laser (LD: laser diode) is a laser that uses a semiconductor as the medium. It has low power consumption and comes in compact sizes, making it widely used in various fields. This document will explain the handling and lifespan of laser diodes. [Contents] ■ Average lifespan of laser diodes ■ Precautions for using laser diodes ■ Cases where the laser may be damaged *For more details, please download the PDF or feel free to contact us.
Knowledge of gain chips useful for research and development. Explanation of features, mechanisms, and how to choose.
A gain chip is a type of semiconductor laser (laser diode) used as the optical gain medium in external cavity lasers (ECL). An external cavity laser is a laser that has a diffraction grating or mirror installed outside the gain chip. By using the gain chip with wavelength-selective filters such as diffraction gratings, it is possible to create a wavelength-tunable light source that can vary the oscillation wavelength over a wide range. [Contents] ■ Basic concept and role of gain chips ■ Structure of gain chips and the mechanism of light emission and amplification ■ Main types of gain chips and differences in their characteristics ■ Examples of the use of gain chips in research and industrial applications *For more details, please download the PDF or feel free to contact us.
Halogen-free compatible! Si photodiode suitable for mounting in compact optical units.
The "CP0174AL" is a photodiode capable of measuring light intensity from visible light to near-infrared light (400nm to 1000nm), including lasers and LEDs. The size of the light receiving area is 0.7mm x 0.7mm, and it is halogen-free compliant. With the adoption of a compact COB-2PIN package (2.2mm x 1.22mm), it is suitable for integration into small optical units such as pico projectors. 【Features】 ■ Sensitivity: 0.26A/W @ 405nm, 0.44A/W @ 700nm ■ Light receiving area size: 0.7mm x 0.7mm ■ Compact, thin package: 2.2mm x 1.22mm x 1.0mm COB-2PIN ■ Compatible with solder reflow ■ Lead-free compliant, RoHS compliant *For more details, please refer to the PDF document or feel free to contact us.
Suitable for irradiation power monitoring of sterilization, disinfection, and germicidal treatment using UV-C light.
This is a silicon photodiode compatible with the measurement of light power in the UV-C range (200–280nm). By adopting a unique package, we have achieved low cost. 【Features】 ■ Capable of detecting UV-C light ■ Compact surface mount package 3.5x3.0mm ■ Lead-free ■ Compatible with solder reflow ■ Can be combined with optical filters to receive light other than UV-C *For more details, please feel free to contact us.
We have high current products up to 400A! They can be used for EV fast chargers and inverters.
The "Ultra-Fast Soft Recovery Diode (USR)" enables low loss and high efficiency operation with soft recovery. We offer high current products up to 400A. These can be used in semiconductor manufacturing equipment DC power supplies, EV rapid chargers, inverters, and various other industrial power supply devices. 【Features】 ■ Low loss and high efficiency operation with soft recovery ■ High current products available up to 400A *For more details, please refer to the PDF document or feel free to contact us.
It can be used for medical high-voltage generators (X-ray, CT, dental) and industrial X-ray devices!
The "High Voltage Diode (Axial Lead Type)" is a compact, high-voltage diode that excels in quality and performance. We have a proven track record in applications such as medical high-voltage generators (X-ray, CT, dental), industrial X-ray equipment, laser devices, scanning electron microscopes (SEM), ship radar, and other high-voltage power supplies. 【Specifications (Excerpt)】 ■ VRM (kV): 4 ・ IO (mA): 200–600 ・ VF (V): 5–9 ・ trr (ns): 300～ *For more details, please refer to the PDF document or feel free to contact us.
Fast switching diode for reliable signal control.
BAS516 from NXP is a high-speed switching diode with 100V reverse voltage, 250mA forward current, and 4ns reverse recovery time. Featuring low leakage current and a compact SOD523 SMD package, it is ideal for high-frequency switching, signal processing, protection circuits, power management, automotive, and industrial applications.
Low-loss Schottky diode for efficient power designs.
The Nexperia USA Inc. PMEG4010EH,115 is a Schottky diode with SMD (SMT) mounting. Mounting Type: SMD (SMT) Maximum Reverse Voltage: 40V Average Rectified Current: 1A (DC) Forward Voltage: 640mV @ 1A Reverse Leakage Current: 100μA @ 40V Capacitance: 50pF @ 1V and 1MHz Operating Temperature Range: -40°C to 150°C Package: SOD-123F
The collimated light is approximately 3mm! In addition to the proposed specifications, it will be introduced with a heat sink and collimation lens.
We would like to introduce a case study of an independent administrative agency that has implemented nanoplus's "DFB Laser." The customer was considering using it for a "methane gas (CH4) sensor," with an output of "around 10 to 50 mW," and wanted to achieve a minimum spot size at about 10 meters through collimation. In response, nanoplus proposed specifications that included specifying the wavelength at 3345 nm, adding a TEC and NTC to a TO66 housing as an option, and applying AR coating (anti-reflective coating). As a result, in addition to the proposed specifications, they also incorporated a heat sink and collimation lens. 【Proposal Details】 ■ Wavelength: Specified at 3345 nm (selected in 0.1 nm steps) ■ Output: 15 mW ■ Optionally, a TEC and NTC added to a TO66 housing with AR coating ■ Frequency variable: (normal) 10 kHz, capable of several tens of kHz ■ Divergence angle Slow Axis: 35–50° / Fast Axis: 55–70° (FWHM) *For more details, please refer to the PDF document or feel free to contact us.
InGaAs Avalanche PD
■ Aperture: 80μm to 350μm ■ Sensitivity wavelength range: 900nm to 1650nm ■ Linear operation ■ Low dark current for high sensitivity ■ Low capacitance for high speed ■ High reliability fiber pigtail (single mode/multi mode) ■ Package: Sub-mount with ball lens, TO-46
◆GaAs photodiode ◆Semiconductor optical sensor based on GaAs ◆Sensitive from 400 to 850 nm
This is a semiconductor optical sensor based on GaAs that generates photocurrent when incident light enters the active area. It generally has sensitivity from 400 to 850 nm. 【Photodiode Array】 FCI-GaAs-XXm is a GaAs PIN photodetector array designed for high-speed fiber receivers and application monitors, consisting of 4 to 12 elements. ● Specifications [Model Name: Active Area, Responsivity, Capacitance, Dark Current, Maximum Reverse Voltage, Maximum Forward Current, Bandwidth, Breakdown Voltage, Package] - FCI-GaAS-4M: 70um, 0.63 A/W, 850nm, 0.65 pF, 0.03 nA, 20 V max, 5 mA, 2 GHz, 850 nm, 50 V, FCI-GaAS-4M - FCI-GaAS-12M: 70um, 0.63 A/W, 850nm, 0.65 pF, 0.03 nA, 20 V max, 5 mA, 2 GHz, 850 nm, 50 V, FCI-GaAS-12M
A high-power infrared light-emitting diode chip has been incorporated into a metal package!
The infrared light-emitting diode KL899 is an infrared LED that incorporates a high-output infrared LED chip into a metal package. It uses a super high-output infrared LED (λp: 890nm) and has high performance and reliability in a TO-18 metal package. RoHS-compliant products are also available. It is suitable for applications such as light sources for photo sensors and light sources for photoelectric switches. For more details, please contact us or refer to the catalog.
This is a high-reliability LED from Nichia Chemical with a rich variety of packages and characteristics.
NE2G757G is an LED manufactured by Nichia Chemical that is suitable for general-purpose lighting requiring color rendering, high efficiency, and long lifespan.
This is a high-reliability LED from Nichia Chemical with a rich variety of packages and characteristics.
NESM238A is an LED manufactured by Nichia Chemical that offers a variety of color tones and light distributions, enabling proposals tailored to various characteristics.
High-reliability LEDs from Nichia Chemical with a rich variety of packages and characteristics.
The NSPL500DS is an LED manufactured by Nichia Chemical that offers a variety of color tones and light distributions, enabling proposals tailored to various features.
It is a high-reliability LED from Nichia Chemical with a rich variety of packages and characteristics.
The NVSE219GL-L1 is an LED manufactured by Nichia Chemical that is suitable for general-purpose lighting requiring color rendering, high efficiency, and long lifespan.
It is a high-reliability LED from Nichia Chemical with a rich variety of packages and characteristics.
NSPR336JS is an LED manufactured by Nichia Chemical that can be selected according to the usage environment and application.
It is a highly reliable LED from Nichia Chemical with a rich variety of packages and characteristics.
The NSPE510KS is an LED manufactured by Nichia Chemical that offers a variety of color tones and light distributions, enabling proposals tailored to various characteristics.
This is a high-reliability LED from Nichia Chemical with a rich variety of packages and characteristics.
The NF1202EFC-V5 (Rs030) is an LED manufactured by Nichia Chemical that is suitable for general-purpose lighting requiring color rendering, high efficiency, and long lifespan.
This is a high-reliability LED from Nichia Chemical with a rich variety of packages and characteristics.
The NF1203EJC-V5 (Rs020) is an LED manufactured by Nichia Chemical, suitable for general-purpose lighting that requires color rendering, high efficiency, and long lifespan.
