2SC3346 DATASHEET PDF
2SC Transistor Datasheet pdf, 2SC Equivalent. Parameters and Characteristics. isc Website： isc Silicon NPN Power Transistors. 2SC DESCRIPTION. ·Low Collector Saturation Voltage.: VCE(sat)= V(Max)@ IC= 6A. 2SC Datasheet PDF Download – Silicon NPN Epitaxial Type / High Current Switching Applications, 2SC data sheet.
|Country:||Central African Republic|
|Published (Last):||1 January 2011|
|PDF File Size:||10.38 Mb|
|ePub File Size:||13.7 Mb|
|Price:||Free* [*Free Regsitration Required]|
Please click the linkfor computer hardware sales and custom built computers. Even if your are working in a totally unrelatedarea like the sound circuits, awareness of the general design and locationof the line-connected circuits can prove to be a life saver.
There are several possible causes for a tilted picture: The regulator IC could be bador filter capacitor following the IC could be dried up. A totallyred scene will appear pure red and so forth.
Toshiba 2SC Datasheet.
There may be some subtle differences in load capacity. They serve a very important safety function. Some of these are as large as 1, uF charged to V – about 13 w-s or a similar amount of energy as that datasheft in an electronic flash. You should be able to measure this on the coilterminals in operation.
The usual reason for a relay instead of a knob switch is to permit a 2cs3346 to turn power on and off. The multivibrator type are sometimes designed to fail if someone keeps turning the set on and off like kids playing since the power rating is inadequate. Some TVs do not have anyisolation barrier whatsoever – the entire chassis is live. However, devices with power switches that totallybreak the line connection are more robust since it takes much more voltageto jump the gap in the switch than to fry electronic parts.
Since the identical failures oftenoccur at some point in a large percentage of a given model or product line,checking out a tech-tips database may quickly identify your problem andsolution. The time constant is very short – a ms or so. In still otherdesigns, there is a separate switchmode power supply that provides some orall of these voltages. It doesn’t need to be large – a 2 A Variac mounted with a switch, outlet and fuse will suffice for most tasks.
Most connectors are keyed against incorrect insertion or interchangeof cables, but not always. Ofcourse, it is best to obtain a service manual and follow its instructions. When NTSC added color, it changed to Modern computer monitors share many similarities withTVs but the multisync and high scan rate deflection circuitry and moresophisticated power supplies complicates their servicing.
If not, just usethe raster in a darkened room. Next jumper across the SCR anode to cathode.
2SC datasheet, Pinout ,application circuits Silicon NPN Power Transistors
An easy test is to jumper across the capacitor with one ofat least equal voltage rating and similar capacitance make connectionswith power off! Output is horizontal and vertical sync pulses to control the deflection circuits. These voltages will not be isolated from the line. If the TV quits at about the same brightness level, overcurrent protection is likely. A couple of possibilities here would be low voltage or high voltage regulation error excessive high voltage is sensed and causes shutdown to prevent dangerous X-ray emission.
A couple of possibilities: It will be a DC coil. A fuse or circuit breaker is too slow and insensitive to provide any protection for you or in many cases, your equipment.
Alternatively, get a 3 to 2 prong adapter just to use as an intermediate connector.
Silicon NPN Power Transistors
In a nutshell the regulator is a switched mode circuit that uses a winding from the high voltage transformer to turn off the SCR. Keep degaussing fields away from magnetic media. This is done using a set of ring magnets behind the puritymagnets on the CRT neck.
It may be defective or the current may be too high 2sc33346 someother reason. If the lamp works, then the problem is the TV.
The IF section may be in either place. If power is controlled by a hard switch – a pull or click knob, or datashet switch and this has become erratic due to worn contacts,replacements are available but often only directly from the originalmanufacturer to physically datasheey and where applicable have the volumeor other controls built in.
Then return to the original position of the coil being flat against the center of the screen. Fortunately,these seem to be the exceptions. The use of a series load will prevent your expensive replacement part like a horizontal output transistor from blowing if there is still some fault in the circuit you have failed to locate. Increase the brightness until a raster is just visible in the catasheet shadow areas of the picture.
If this is solid, then there could be a high voltage drift butthis would be somewhat unusual without other symptoms like arcing sincethe HV is dagasheet always tracks the low voltage supply. Some Zeniths use a simple multivibrator for this – a couple of transistors. Others power the horizontal osc.
If you do disconnect everything, make sure to label any connectors whoselocation or orientation may be ambiguous. They are the same.
2SC3346 Datasheet, Equivalent, Cross Reference Search
As an alternative, consider mounting a smalltoggle switch on the side of datasgeet cabinet to substitute for the broken switch. Test the transistors if it is that type with an ohmmeter.
Reconnect whatever is needed for testing after thecover is removed. Actually,an actual power resistor is probably better as its resistance is constantas opposed to a light bulb which will vary by 1: Failures – usually shorted diodes – are common.