Primary Contents

• What is the soft-start function?
• What is the difference between phototriac and photocoupler isolation for the G3NA Solid-state Relay?
• Does the input current change for Solid-state Relays with a wide rated input voltage?
• Why is a switching time lag necessary for the forward and reverse operation of a three-phase motor?
• What is counter-electromotive force (surge)?
• Can SSR continuity be tested using a voltage tester?
• What kind of applications can Power MOS FET Relays be used for?
• What should be done about surge-absorbing circuits for AC-load SSRs?
• What is bleeder resistance?
• Why do SSR load Relays sometimes hum?
• What is the zero cross function?
• What is a snubber circuit?
• Can Solid-state Relays for DC loads be connected to a negative power supply?
• Can a DC load be used with Solid-state Relays for AC loads?
• Is it abnormal that the SSR is so hot that I can’t continue touching it?
• Why is the minimum load current for most Solid-state Relays specified at 0.1 A?
• Can the output sides of SSRs be connected in parallel?
• What is the relationship between the leakage current and the load voltage?
• What are the characteristics of a triac and thyristor?
• What should be done for a surge-absorbing circuit for DC-load SSRs?
• What are the main causes of SSR failure and what can be done about it?
• Are SSRs unable to switch microloads?
• What is the difference between triacs and thyristors?
• The SSR does not turn OFF. What is causing this and what can be done about it?
• Can the output sides of SSRs be connected in series?
• How are the internal SSR circuits configured?
• What are the characteristics of SSRs compared to those of contact Relays?
• Are there SSRs available with NC contacts?
• Should the load be connected to the LOAD or to the INPUT terminal?
• What is the equation for calculating the heat radiated by Solid-state Relays?
• The current is unstable when the power supply is switched using an SSR. Why is this?
• What is the difference between the input rated voltage and operating voltage for Solid-state Relays?
• What is the difference between an SSR and a power MOS FET?
• What is the recommended replacement product for G3N Solid-state Relays?
• Solid-state Relays Output Short-circuit Malfunction 1: Why do the Solid-state Relays output always use half-wave operation?
• Solid-state Relays Output Short-circuit Malfunction 2: What cause an Solid-state Relays output to short-circuit?
• Solid-state Relays Output Open Circuit Malfunction: Why doesn’t the Solid-state Relays output turn ON?
• Solid-state Relays Breakdown Prevention: High Density or Gang Mounting. What is the relationship between the load current and the ambient temperature rating when using high-density or gang mounting?