Normally Closed AC SSR
2019-08-22
This is a Normally Closed PCB Mount SSR. That means when DC Control input is low, the triac is ON, the output passes the load current to turn on smallRead More
DC-DC SSR Solid State Relay
2019-07-09
This is a DC Input DC Output SSR Solid State Relay. It was made for Printing or Photo Processing Equipment. It has an optical isolation and can be used forRead More
Connection Diagram of DC PCB SSR
2019-07-08
This is an Application note i used to give with my ssr – app012.pdf Diagram of SSR 5000 DC 3-30 Control / 230V AC N.O. @ 3A. This is aRead More
2N2646 based Voltage controlled SCR Pulser
2019-06-21
A Center tap 50Hz Step Down Transformer with two diodes is used to get a train of Positive Sine Pulses at 100Hz which is applied to Q6 base via R51.Read More
AC-AC SSR Solid State Relay
2018-04-23
This is a AC Control Input AC Output SSR Solid State Relay. When a Process Controller has an AC output or a system generates an AC signal of above 100VRead More
Drive SCR thyristor with 555
2018-03-27
This circuit gives a burst of pulses to fire 2 SCRs, when pin 4 is taken to 12V the SCR is turned on, to use this circuit you need 12VRead More
Solid State Relay – Common
2018-02-22
This is a DC controlled Solid State Relay which can turn 230V AC equipment on and off. The output is like a NO normally open contacts of a relay andRead More
Triac based Lamp Dimmer power control
2017-10-10
This is a phase angle control of a Triac which is a evolution from an SCR. The 50 Hz or 60 Hz Sine wave of mains can be turned onRead More