CHA Datasheet – SIP 8 Pin, uPCHA, Protector IC – NEC, uPCHA datasheet, CHA pdf, CHA pinout, CHA manual. CHA Datasheet PDF Download – UPC, CHA data sheet. Work as either latching function or automatic resetting function by using pin 3. (In both overload detection and output offset detection, either function can be.

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Rising the voltage above 0. One important aspect is that this IC could be used to prevent the output devices from over current. This is the threshold. The devices protected by this module can be quite expensive so no cheap tricks here.

I needed a module which could be mounted directly on the rear panel and bolted through the speaker terminals. Hi, some of the resistor values depend on the supply c1237hq. Because not all of them are written in he schematic? Office Equipment Front Office Equipment. A wide variety of new original cha options are available to you, such as drive ic, voltage regulator, and logic ics.


About product and suppliers: Great article about a very usefull item datssheet no one ever hopes to use.

C1237HA Datasheet

Hi Andrew, the IC can not work at this power supply. It can be downloaded HERE.

This part of the schematic is forcing the current to stay within the recommended SOA of the devices. Integrated Datsaheet Ic Price. Hello Ventsislav greetings please can you share schematic even if low voltage one warm regards andrew.

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Thanks for posting such a nice speaker protection with really high class chip. Supplier Types Trade Assurance. The supplier supports Trade Assurance — A free service that protects your orders from payment to delivery. Now xatasheet schematic of the module itself. The buyer is responsible for any tax or duty charged on their country.

It was in fact used in many industry amplifiers.

New Original Cha, New Original Cha Suppliers and Manufacturers at

This site uses Akismet to reduce spam. Using a current source will require the pin 1 driven with current above uA. My speaker terminals have 5mm threads and fit just fine. Now I wanted to have a rather non standard approach here. Dtasheet Transaction Level Response Rate. Thanks for your help. Any commercial usage is prohibited. Leave a Reply Cancel reply Your email address will not be published. There is no built-in circuit either. According to the datasheet pin 1 must be driven above 0.


Almost any Sony amplifier starting from the lower range and right up to the higher-end ES series are using this chip.

I am wondering if this works for you Ventsislav? A few words about the PCB. Datzsheet feel free to contact us via the following ways ,email or trade manager at any time.

CHA Datasheet PDF NEC => Renesas Technology –

CHA new original electronics component ic. So I thought was a good idea to make a stand alone module which could be used by the DIY community. However those were using small current relays not dataheet for more powerful amplifiers. The mounting holes are at 5.

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