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27 Threads found on Triac bt136
you can try high di/dt rated triac from SGS thompson (BTA series)
wat s difference between bt136-600 and bt136-600d
Hi, NO ! you cannot use a ULN2803 for controlling a mains triac there is no isolation, use a proper opto isolator, many circuits around.
Hi, I had a problem driving a digital triac from my pic microcontroller. I've been using +12vDC relays to control 220vAC loads. Christmas is coming and I want to build a simple light sequencer for my Parol composed of 8pcs of 10w 220vAC incandescent lamp. I'm sure that relays are not suitable for this application. Our local electronic store
i want switch ON and OFF a fan or bulb using triac .The switch on time is 5min and switch off time 2 min for that i desgined a circuit using 555 but the system is not working .wether 555 can directly interface (bt136) the triac.i used transistor buffer to interface .pls give me suggestions...if any one hav circuit diagram then pls send me..
Hi all I made this circuit to be a light dimmer but it did not work. I use bt136 for the SCR and MOC3022 for optocoupler. Can you tell me what is the problem? may be I should use another SCR. I have tested this circuit with bt136. It worked. Most probably you must have interchanged MT1 and MT2 terminals of triac and tha
Hi all, How to control speed of a fan (230V) using logic level sensitive triac bt136D with a PIC uC (16F72). Well familiar with PIC Using CCS Compiler Just Ideas are enough (Coding is not an issue) Thanks in advance Gladis
Hi All, Is there a direct subsitution from a U.S. company for a bt136-600E triac ??? I'm trying to repair a burnt-out touch dimmer lamp without spending a fortune ( meaning a 50 to 100.00 minimum order for 1 triac ). Thanks !!! :-)
Your circuit misses the RC snubber that are required in the MOC30xx datasheet for inductive loads. Depending on the motor inductance, you have a high risc of retriggering the opto triac by the commutation dV/dt without a control signal. Use the suggested circuit and try again.
Having trouble with my triac switching circuit. My circuit is based on the solid state relay circuit (using triacs) electronics-lab I have tried 0.6W resistors and 2W the 0.6 680 Ohm is fried instantly. the 2W 680 Ohm smokes It works with the 2W, it does switch on an off. b
i have a 2 main line of 220 Volt AC Supply.i want to control it and i want to work 1 line at a time and 2nd is off while 2 is working than 1 line is off.i use a triac in the phase of the both line which are parallel. we give a 4 volt +ve only one gate at a time and 2nd is off. plz tell me this diagram is true and in this way can we handle i
I don't know what a "DC bulb" is? Incandescent lamps can be supplied by either DC or AC voltage. A triac works for AC ony, however.
I am not using a microcontroller but a 555 timer as a monostable and a decade counter 4017B together with an opto-isolator NTE3042 and triac bt136.
A properly snubbed circuit enhances system reliability, is more efficient, and is quieter than an unsnubbed circuit. A properly snubbed circuit performs well over time, temperature and production tolerances. It is well worth the time to understand and use snubber circuits. www.engr.colostat
Hi friends.... Does anyone uses the NI Circuit Design Suit 11.0????? I am having a problem in designing a voltage regulator with a bt136 triac.... I have decompiled the circuit by reading the values of components & connections from a fan regulator circuit... My readings are correct and I designed the same circuit in NI Circuit Design Suit 11....
Hi, I am trying to built the light dimmer using Microcontroller and i am using MOC3011 and triac bt136 and Zero crossing detector using Transistor BC847 Can any one give me the source code for Zero crossing detector in C
Hi All, With internet help I made one triac circuit to switch on my 230V AC portable vacuum cleaner. It works with some issue. When switch on the socket power, though I have not given 5v power at MOC side, the load gets ON for about ? second and turns off. 88805 I?m using bt136 600D , MOC3062 , 700 watts 230v
hi guys i need optoisolator for my circuit design,i do need the input as the neon bulb and the out put anything,transitors or triac or....i do care about the input becaus i have ac voltege and around 90v ac. thanks guys
use electronic fan regulator for the same. see the concept. use bt136 triac based circuit.
HI I want to drive a 230V AC load from a triac whose gate is fired by MOC3020. The circuit diagram is at as per debugging done uptill now, I found that output of MOC3020 isn't able to drive the triac gate. Currently I am using bt136. suggest something else.
can any 1 plss help me tht which triac should i use if i m controlling 12v dc motor intead of 220v bulb. rmember i m using bt-136 for bulb as a 220v dc bt bt136 is not working for 12v dc motor. kindly i m new help me plsss. here is the crkt dgrm working with 220v bulb bt not for 12v(12v from step down transformer) dc motor imag
So when we choose a triac, we will want a small sensitive-gate triac capable of switching 4 amps. It should have a minimal hold current requirement so we can limit the amount of time that we will have to supply a gate current In this type of application, using a microcontroller to control the triac, they have used L4004D3 w
Usually need to know some details about the particular application using this type of triac in order to provide a suitable replacement. :-D
The MOC3020 thru MOC3023 series use a 400V phototriac output so any type can be used for 240Ac applications. And as goldsmith already mentioned, for a standard operation we must limit the optocoupler input current at 15mA-20mA, see the datasheet: In this particular application need to increa
can any one help me schematic of "zigbee-wireless mesh networks for building automation and control" ?? i am using ARM7 that is lpc2148, MAX232 , zigbee module , triac moc3020 ,bt136 and the loads....... please help me its very urgent....... thanks in advance
u can use MOC3021 optocoupler with any triac like bt136 for phaseangle control. But this method u can use before the 12V DC convertion at the high voltage AC side. or u can use PWM method at 12V side. the dimmer circuit I'm using uses a potentiometer so I just need something to operate the potentiometer from a distant can u po
You should have resistor to limit current for optotriac diode. You try this with real parts or in Proteus? What code did you use?