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2014-11-26 Triac triggering: Positive, negative supply basics
This article tackles the basics of positive and negative supplies in relation to triac triggering compliance. It will explore the impact of supply topology on output polarity.
2005-02-10 TRIAC series boasts extended current range up to 4A
Central Semiconductor announced a series of TRIACs with an extended current range.
2008-10-28 TRIAC optocouplers lower standby power up to 2W
Fairchild Semiconductor has released optically-isolated TRIAC drivers that offer industrial designers a solution that lowers standby power by up to 2W to meet stringent regulations such as the 1Watt Initiative and ENERGY STAR.
2008-05-08 Triac drive optocouplers claim best-in-class noise immunity
Fairchild's FOD420 and FOD4208 random-phase, snubberless triac drive optocouplers provide an easier way to design motor control, power switch and lighting control applications.
2009-06-30 TRIAC boasts motor control at 150C
With its low gate sensitivity specified for operation to 150C, these devices are ideal for heaters, motors and other small appliances.
2010-06-16 LED drivers deliver flicker-free TRIAC dimming
Power Integrations has released two new families of power-factor-corrected LED driver ICs that deliver flicker-free monotonic TRIAC dimming.
2009-06-18 Applications of zero voltage crossing optically isolated triac drivers
This application note describes the operation of a basic driving circuit and the determination of circuit values needed for proper implementation of the triac driver.
2008-12-18 Applications of random phase crossing triac drivers
The MOC30XX family of random phase (non-zero crossing) triac drivers consist of an aluminum gallium arsenide infrared LED, optically coupled to a silicon detector chip. These two chips are assembled in a 6-pin DIP package, providing 7.5KVAC(PEAK) of insulation between the LED and the output detector.
2003-04-30 Triggering and Gate Characteristics of Thyrsitors
This design guide outlines the triggering and gate characteristics of thyristors.
2000-12-11 Trigger design ideas for diac replacements
This application note addresses some alternative trigger circuits where in most cases, the part cost is the same or less than the diac they replace.
2008-08-20 Triacs fit for industrial, control apps
ON Semiconductor has expanded its high performance triac portfolio with the introduction of 12 new triacs with available power ratings of 8A, 12A and 16A with Gate Trigger Current (Igt) levels of 35mA and 50mA.
2001-06-15 Thyristors used as ac switches and relays
This application note describes circuits in which thyristors (SCRs and triacs) are used to perform simple switching functions of a general type that might also be performed non-statically or various mechanical and electromechanical switches.
2014-06-11 Techniques for enabling dimmable LED bulbs
Many LED lamps are advertised as dimmable, however in reality the performance of many of them is unimpressive with varying results depending on the dimmer used and loading of the circuit.
2000-12-12 Solid state control for bidirectional motors
This application note shows how triacs can substitute the function of the mechanical relays for controlling bidirectional motors, offering a higher level of quality and reliability for control purposes.
2000-12-12 Series, inverse-parallel and turn-off connections for SCR thyristor devices
This application note focuses on explaining some alternatives for making the control functions for SCR thyristor devices including: inverse parallel connection of two SCRs; series connection of two SCRs; and forced commutation methods for turning-off the SCRs.
2000-12-05 Series triacs in ac high voltage switching circuits
This application note describes the series connection of triacs to create a high-voltage switch suitable for operation at voltages up to 2kV.
2002-11-13 Sensitive gate 1A triacs in TO92
This application note lists the uses of 1A triacs in household applications.
2005-08-18 SCRs, triacs boast high current
Crydom has expanded its product portfolio with the addition of two new series of high current silicon controlled rectifiers and three new series of high current triac/alternistors.
2001-06-14 Phase control using thyristors
This application note looks at the fundamentals of SCR and triac phase controls.
2008-03-05 Optocouplers operate over wide temperature range
A portfolio of 6-pin DIP random-phase and zero-cross triac driver optocouplers offering a wide operating range of -55C to +100C has been launched by Everlight Electronics.
2005-04-01 Low-power MCUs in line-powered apps
Replacing higher-current MCUs with new low-power ones provide some advantages in most line-powered devices.
2000-12-08 Low-cost universal motor phase angle drive system
This application note describes the design of a low-cost phase angle motor control drive system based on the MC68HC05JJ6/MC68HC705JJ7 microcontroller and the MAC4DC snuberless triac.
2008-08-29 Integrated power phototriac solves cost, space issues
Vishay Intertechnology Inc. broadens its optoelectronics portfolio with the release of an integrated power phototriac that outputs currents up to 1A to drive resistive and inductive loads.
2001-06-12 Gating, Latching and Holding of SCRs and Triacs
This application note is intended to show the users of SCRs and triacs how the gating, latching and holding parameters are related to each other and help the users in selecting best operating modes for various circuit applications.
2001-06-12 Fundamental characteristics of thyristors
This application note is intended to better acquaint users of SCRs, triacs, and diacs to the basic fundamentals of these thyristors.
2003-04-01 Fairchild triacs target remote switches
Fairchild Semiconductor's 600V FKPF12N60 and 800V FKPF12N80 are 12A triacs that have been optimized for use in dimmer and ac motor control apps.
2003-11-27 Fairchild optocouplers offer trigger current
Fairchild Semiconductor has expanded its family of random-phase triac driver optocouplers with the release of nine products in 4-pin, mini-flat packages.
2001-06-14 Explanation of maximum ratings for thyristors
This application note is intended to properly inform the designer about the maximum ratings and characteristics of thyristors as stated in their data sheets.
2015-07-13 Drives LEDs efficiently with constant-voltage topology
Here is a look at an AC/DC single-stage driver for dimmable LEDs that combines digital control techniques with embedded algorithms.
2009-02-24 Control boards fuse high performance, flexibility
LCR Electronics is offering a wide range of general purpose triac (triode for alternating current) control boards that combine low pricing with high quality performance.
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