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NPN Transistor Question

Being in the I/C biz, I don't keep up very well with what is available in the discrete transistor world.

What I'm looking for is a _readily_available_ NPN, highest fT, VCE < 15V, IC < 10mA

Suggestions?

Thanks! ...Jim Thompson

-- | James E.Thompson | mens | | Analog Innovations | et | | Analog/Mixed-Signal ASIC's and Discrete Systems | manus | | San Tan Valley, AZ 85142 Skype: skypeanalog | | | Voice:(480)460-2350 Fax: Available upon request | Brass Rat | | E-mail Icon at

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| 1962 | I love to cook with wine. Sometimes I even put it in the food.

Reply to
Jim Thompson
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BFP840--80 GHz, 5000 in stock at Digikey, about 30 cents.

Cheers

Phil Hobbs

--
Dr Philip C D Hobbs 
Principal Consultant 
ElectroOptical Innovations LLC 
Optics, Electro-optics, Photonics, Analog Electronics 

160 North State Road #203 
Briarcliff Manor NY 10510 

hobbs at electrooptical dot net 
http://electrooptical.net
Reply to
Phil Hobbs

On Fri, 05 Jun 2015 12:53:53 -0700, Jim Thompson Gave us:

Tough numbers to hit on...

close!

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Reply to
DecadentLinuxUserNumeroUno

On Fri, 05 Jun 2015 16:53:50 -0400, DecadentLinuxUserNumeroUno Gave us:

A little closer...

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Reply to
DecadentLinuxUserNumeroUno

Thanks, Phil! ...Jim Thompson

--
| James E.Thompson                                 |    mens     | 
| Analog Innovations                               |     et      | 
| Analog/Mixed-Signal ASIC's and Discrete Systems  |    manus    | 
| San Tan Valley, AZ 85142     Skype: skypeanalog  |             | 
| Voice:(480)460-2350  Fax: Available upon request |  Brass Rat  | 
| E-mail Icon at http://www.analog-innovations.com |    1962     | 
              
I love to cook with wine.     Sometimes I even put it in the food.
Reply to
Jim Thompson

BFP640FESD has BVces > 13V. Only 65 GHz.

Cheers

Phil Hobbs

--
Dr Philip C D Hobbs 
Principal Consultant 
ElectroOptical Innovations LLC 
Optics, Electro-optics, Photonics, Analog Electronics 

160 North State Road #203 
Briarcliff Manor NY 10510 

hobbs at electrooptical dot net 
http://electrooptical.net
Reply to
Phil Hobbs

That practically oscillates just laying on the table!

--

John Larkin         Highland Technology, Inc 
picosecond timing   precision measurement  

jlarkin att highlandtechnology dott com 
http://www.highlandtechnology.com
Reply to
John Larkin

13V?? 4V 46GHz ?? 
--
 Thanks, 
    - Win
Reply to
Winfield Hill

THIRTY CENTS !

You work for the government or something ?

Reply to
jurb6006

No, I just read off the Digikey 100 piece price. I sort of doubt that Jim is going to buy many more than that. ;)

Cheers

Phil Hobbs

--
Dr Philip C D Hobbs 
Principal Consultant 
ElectroOptical Innovations LLC 
Optics, Electro-optics, Photonics, Analog Electronics 

160 North State Road #203 
Briarcliff Manor NY 10510 

hobbs at electrooptical dot net 
http://electrooptical.net
Reply to
Phil Hobbs

I'm not going to buy any... my client will do the purchasing. ...Jim Thompson

-- | James E.Thompson | mens | | Analog Innovations | et | | Analog/Mixed-Signal ASIC's and Discrete Systems | manus | | San Tan Valley, AZ 85142 Skype: skypeanalog | | | Voice:(480)460-2350 Fax: Available upon request | Brass Rat | | E-mail Icon at

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| 1962 | I love to cook with wine. Sometimes I even put it in the food.

Reply to
Jim Thompson

What about the age-old standby, the 2N2222?

Reply to
Robert Baer

On Sun, 07 Jun 2015 23:15:18 -0700, Robert Baer Gave us:

You missed the same thing I did. Highest fT.

Reply to
DecadentLinuxUserNumeroUno

Why not suggest the OC71?

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ft 300kHz.

--
Best regards,  
Spehro Pefhany 
Amazon link for AoE 3rd Edition:            http://tinyurl.com/ntrpwu8 
Microchip link for 2015 Masters in Phoenix: http://tinyurl.com/l7g2k48
Reply to
Spehro Pefhany

;-) CK722 anyone ?>:-} ...Jim Thompson

--
| James E.Thompson                                 |    mens     | 
| Analog Innovations                               |     et      | 
| Analog/Mixed-Signal ASIC's and Discrete Systems  |    manus    | 
| San Tan Valley, AZ 85142     Skype: skypeanalog  |             | 
| Voice:(480)460-2350  Fax: Available upon request |  Brass Rat  | 
| E-mail Icon at http://www.analog-innovations.com |    1962     | 
              
I love to cook with wine.     Sometimes I even put it in the food.
Reply to
Jim Thompson

On Mon, 08 Jun 2015 07:49:20 -0700, Jim Thompson Gave us:

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or this one...

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Reply to
DecadentLinuxUserNumeroUno

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Used to cost a week's allowance.

--

John Larkin         Highland Technology, Inc 
picosecond timing   laser drivers and controllers 

jlarkin att highlandtechnology dott com 
http://www.highlandtechnology.com
Reply to
John Larkin

Really? Yout get $75/week in those days? Tha was a lot of money!

Reply to
jfeng

Here's the 1952 datasheet, Raytheon, in Newton, MA, my old stomping ground.

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--
 Thanks, 
    - Win
Reply to
Winfield Hill

My followup doesn't seem to have made it.

You're right about the 46 GHz--I was confusing it with another part, thanks.

The 13V I was quoting is BV_CES, which is pretty good for a part that fast. It shouldn't be too hard to arrange the circuit so that the base drive is really low-Z at DC.

Cheers

Phil Hobbs

--
Dr Philip C D Hobbs 
Principal Consultant 
ElectroOptical Innovations LLC 
Optics, Electro-optics, Photonics, Analog Electronics 

160 North State Road #203 
Briarcliff Manor NY 10510 

hobbs at electrooptical dot net 
http://electrooptical.net
Reply to
Phil Hobbs

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