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Browse Good-Ark engineering articles by rectifiers, protection, automotive, MOSFET, SiC, solar, Schottky, power supply, bridge, Zener, and sourcing topics.

Suzhou Good-Ark Electronics — discrete power semiconductor manufacturer

Trench Schottky Diodes: Structure, Losses and Thermal Selection

Trench Schottky Diodes: Structure, Losses and Thermal Selection

A trench Schottky diode is a Schottky rectifier that uses a trench-based semiconductor structure to improve the trade-off between forward conduction, reverse blocking and leakage. The important distinction is electric-field management, not a guarantee of zero loss or the smallest forward drop. Its benefit must be assessed at the circuit’s current, reverse voltage, temperature and … Read more

1N4001G Rectifier Diode: Key Specs and Low-Voltage Circuit Checks

1N4001G Rectifier Diode: Key Specs and Low-Voltage Circuit Checks

The Good-Ark 1N4001G diode is the 50 V reverse-voltage member of its standard 1 A rectifier family. It is commonly considered for suitable low-voltage rectification and blocking paths, but its 50 V limit must be checked against the circuit’s actual reverse stress. Transformer RMS voltage, capacitor charge and wiring topology can make that stress substantially … Read more

1N4002G Rectifier Diode: Specs, Polarity, Uses and Replacements

1N4002G Rectifier Diode: Specs, Polarity, Uses and Replacements

The 1N4002G is a general-purpose silicon rectifier with a 1 A average-current rating and a 100 V repetitive reverse-voltage rating. Its axial leads suit through-hole circuits. It can rectify low-frequency AC, but the manufacturer matters: the suffix, forward drop and other specifications must come from the data sheet for the actual part. If you are … Read more

1F5G Fast Recovery Rectifier: Specs, Polarity and Replacements

1F5G Fast Recovery Rectifier: Specs, Polarity and Replacements

The Good-Ark 1F5G fast recovery rectifier is a single silicon diode rated at 1 A average forward current and 600 V repetitive peak reverse voltage, in an R-1 axial package. Its maximum reverse recovery time is 250 ns under the manufacturer’s stated test conditions. These ratings help identify the part; they do not establish suitability … Read more

1F4G Fast Recovery Rectifier: 400 V Ratings and Replacement Checks

1F4G Fast Recovery Rectifier: 400 V Ratings and Replacement Checks

The Good-Ark 1F4G fast recovery rectifier is a 1 A, 400 V silicon diode in an R-1 axial package. Its maximum reverse recovery time is 150 ns under the manufacturer’s specified test conditions. The 400 V blocking rating distinguishes it from lower-voltage members of the family, but does not guarantee suitability for every circuit operating … Read more

1F3G Fast Recovery Rectifier: Specifications, Polarity and Testing

1F3G Fast Recovery Rectifier: Specifications, Polarity and Testing

The Good-Ark 1F3G fast recovery rectifier is a single silicon diode rated at 1 A average forward rectified current and 200 V repetitive peak reverse voltage. It uses an R-1 axial package and specifies 150 ns maximum reverse recovery time under defined test conditions. The banded end identifies its cathode. If you are identifying a … Read more

Good-Ark 10A05 Rectifier: Specifications, Polarity and Applications

Good-Ark 10A05 Rectifier: Specifications, Polarity and Applications

The Good-Ark 10A05 rectifier is a standard silicon rectifier with a listed 10 A average-current rating and a 50 V repetitive peak reverse-voltage rating, in an R-6/P600 axial package. It passes useful forward current and resists reverse current. Those numbers identify the device class; they do not establish that it can carry 10 A on … Read more

Solar Panel Diodes: Bypass vs Blocking, Selection and Faults

Solar Panel Diodes: Bypass vs Blocking, Selection and Faults

A solar panel bypass diode gives string current a route around a cell substring when mismatch drives that substring into reverse polarity. A blocking diode sits in a series path and prevents current in the unwanted direction. These are different connections and different jobs. Bypass diodes are commonly integrated into crystalline-silicon module junction boxes; an … Read more

IGBT vs MOSFET: How IGBTs Work and How to Select Them

IGBT vs MOSFET: How IGBTs Work and How to Select Them

Choosing between an IGBT and a MOSFET starts with the converter’s current and switching events. An insulated gate bipolar transistor combines a voltage-controlled insulated gate with bipolar conduction in its power path. It can be useful in power converters and motor drives, but its turn-off behavior, gate drive and associated diode must fit the circuit. … Read more

Wide Bandgap Semiconductor Sourcing: SiC Diodes and MOSFETs

Wide Bandgap Semiconductor Sourcing: SiC Diodes and MOSFETs

Wide bandgap semiconductor sourcing starts with the power stage’s requirements, not with a preference for SiC. A silicon carbide Schottky barrier diode is a rectifier; a SiC MOSFET is a controlled switch. Specify the voltage, current waveform, switching conditions, cooling and qualification needs before comparing devices, samples and commercial terms. This guide focuses on SiC … Read more

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