Hi all,

Can anyone identify the following semiconductors?

They are used in the Skytronics, Nikkai range of mains inverters as
driver devices for the Mosfet o/p switching.

I think these are TO 220 cases.
Q8/9 are Motorola devices and the numbering is :-
----------
| B20 |
| J E|
| 3003 |
----------
| | |

Q11/12 again are odd with no mftr marking :-
----------
| H LB |
| 123T |
| 7GT |
----------
| | |


Info for these inverters can be found here :-

http://www.bfisk.demon.co.uk/SkyTronic/skytronic.html

If anybody has anymore info to share drop me a line.

Cheers
Bob

Actually, they are TO-126 cases!
Any help at all would be most gratefully received!!

Richard

On 23 Sep 2003 02:44:24 -0700, (Bob) wrote:

Hi all,

Can anyone identify the following semiconductors?

They are used in the Skytronics, Nikkai range of mains inverters as
driver devices for the Mosfet o/p switching.

I think these are TO 220 cases.
Q8/9 are Motorola devices and the numbering is :-
----------
| B20 |
| J E|
| 3003 |
----------
| | |

Q11/12 again are odd with no mftr marking :-
----------
| H LB |
| 123T |
| 7GT |
----------
| | |


Info for these inverters can be found here :-

http://www.bfisk.demon.co.uk/SkyTronic/skytronic.html

If anybody has anymore info to share drop me a line.

Cheers
Bob

Actually, they are TO-126 cases!
Any help at all would be most gratefully received!!

Richard

On 23 Sep 2003 02:44:24 -0700, (Bob) wrote:

Hi all,

Can anyone identify the following semiconductors?

They are used in the Skytronics, Nikkai range of mains inverters as
driver devices for the Mosfet o/p switching.

I think these are TO 220 cases.
Q8/9 are Motorola devices and the numbering is :-
----------
| B20 |
| J E|
| 3003 |
----------
| | |

Q11/12 again are odd with no mftr marking :-
----------
| H LB |
| 123T |
| 7GT |
----------
| | |


Info for these inverters can be found here :-

http://www.bfisk.demon.co.uk/SkyTronic/skytronic.html

If anybody has anymore info to share drop me a line.

Cheers
Bob

Sorry if top post is frowned on ....

The B20 's are most likely 2SB20 trannies, see
http://homepage3.nifty.com/ebina2540...B0012-0100.htm

The others are LB123T see
http://www.alcava.it/Italia/partricam.htm

73
G6JAP (Technician not Artist !)


"Bob" wrote in message
m...
Hi all,

Can anyone identify the following semiconductors?

They are used in the Skytronics, Nikkai range of mains inverters as
driver devices for the Mosfet o/p switching.

I think these are TO 220 cases.
Q8/9 are Motorola devices and the numbering is :-
----------
| B20 |
| J E|
| 3003 |
----------
| | |

Q11/12 again are odd with no mftr marking :-
----------
| H LB |
| 123T |
| 7GT |
----------
| | |


Info for these inverters can be found here :-

http://www.bfisk.demon.co.uk/SkyTronic/skytronic.html

If anybody has anymore info to share drop me a line.

Cheers
Bob

Sorry if top post is frowned on ....

The B20 's are most likely 2SB20 trannies, see
http://homepage3.nifty.com/ebina2540...B0012-0100.htm

The others are LB123T see
http://www.alcava.it/Italia/partricam.htm

73
G6JAP (Technician not Artist !)


"Bob" wrote in message
m...
Hi all,

Can anyone identify the following semiconductors?

They are used in the Skytronics, Nikkai range of mains inverters as
driver devices for the Mosfet o/p switching.

I think these are TO 220 cases.
Q8/9 are Motorola devices and the numbering is :-
----------
| B20 |
| J E|
| 3003 |
----------
| | |

Q11/12 again are odd with no mftr marking :-
----------
| H LB |
| 123T |
| 7GT |
----------
| | |


Info for these inverters can be found here :-

http://www.bfisk.demon.co.uk/SkyTronic/skytronic.html

If anybody has anymore info to share drop me a line.

Cheers
Bob

On 23 Sep 2003 02:44:24 -0700, (Bob) put finger
to keyboard and composed:

Hi all,

Can anyone identify the following semiconductors?

They are used in the Skytronics, Nikkai range of mains inverters as
driver devices for the Mosfet o/p switching.

I think these are TO 220 cases.
Q8/9 are Motorola devices and the numbering is :-
----------
| B20 |
| J E|
| 3003 |
----------
| | |

I'm guessing this could be an MJE3003.


Q11/12 again are odd with no mftr marking :-
----------
| H LB |
| 123T |
| 7GT |
----------
| | |

The LB prefix is often used by Sanyo.

Info for these inverters can be found here :-

http://www.bfisk.demon.co.uk/SkyTronic/skytronic.html

If anybody has anymore info to share drop me a line.

Cheers
Bob


- Franc Zabkar
--
Please remove one 's' from my address when replying by email.

On 23 Sep 2003 02:44:24 -0700, (Bob) put finger
to keyboard and composed:

Hi all,

Can anyone identify the following semiconductors?

They are used in the Skytronics, Nikkai range of mains inverters as
driver devices for the Mosfet o/p switching.

I think these are TO 220 cases.
Q8/9 are Motorola devices and the numbering is :-
----------
| B20 |
| J E|
| 3003 |
----------
| | |

I'm guessing this could be an MJE3003.


Q11/12 again are odd with no mftr marking :-
----------
| H LB |
| 123T |
| 7GT |
----------
| | |

The LB prefix is often used by Sanyo.

Info for these inverters can be found here :-

http://www.bfisk.demon.co.uk/SkyTronic/skytronic.html

If anybody has anymore info to share drop me a line.

Cheers
Bob


- Franc Zabkar
--
Please remove one 's' from my address when replying by email.

Thanks for all the replies guys.

Much appreciated.
Bob

Thanks for all the replies guys.

Much appreciated.
Bob