[Laser] super PIN photodiode sale!!!!!

[n9jim]

Unfortunately Haltek is perminently closed.
Don't know where the filters went. I still have a few. If you are in 
immediate dire need.

Jim
N9JIM


Buchanan Bill wrote:

> This sounds very good...I was going to go with the
> digi key available PD, but these are much better....
> 
> Speaking of the filters available from Haltek a few
> years ago, wonder if they still have any of these
> filters available?
> 
> Bill
> --- W2MXW <weatheradio@worldnet.att.net> wrote:
> 
>>To all in the group:
>>
>>
>>While we're on the subject of PIN photodiodes -
>>All Electronics is currently offering their Cat. no.
>>PD-3 which are large
>>area PIN
>>photodiodes from UDT (United Detector Technologies)
>>Sensors Inc. These are
>>in a 1" dia., glass windowed BNC connector package
>>and are UDT Part. No.
>>PIN-10D. These are
>>an exceptional deal at $5.00 each!!! (and no, I'm
>>not affiliated with All
>>Elec. in any way, I just like to notify the group
>>whenever I find a
>>worthwhile offering which I feel might benefit
>>everyone.)
>>These are professional research-grade large area PIN
>>diode detectors,
>>normally costing MUCHO $$$$ and thus normally out of
>>reach of the average
>>amateur
>>experimenter.
>>
>>Checking with the UDT Sensors .pdf datasheet for the
>>PIN-10D, (get it at
>>www.udt.com) the most
>>important specs are:
>>Photoconductive mode (biased) PIN photodiode
>>Active area: 100 mm ^2
>>Dark current @ 10 volts bias: 2 nA typ., 25 nA max.
>>Responsivity:
>>@ 400 nm, min. 0.07/typ. 0.12 A/W
>>@ 632 nm, min. 0.33/typ. 0.40 A/W
>>@ 970 nm, min. 0.60/typ. 0.65 A/W
>>Capacitance:
>>@ 0 volts bias, 1500 pF
>>@ 10 volts bias, 300 pF
>>NEP (watts/sq. root Hz) 3.9 e-14
>>Max. reverse volts: 30
>>Risetime, @ 10 volts bias, 632 nm, 50 ohm load: 43
>>ns
>>
>>According to UDT these are specifically designed for
>>laser communications
>>applications, among other things like professional
>>spectrophotometry.
>>Also, for IR buffs like myself, these have very high
>>responsivity to well
>>past 1 micrometer wavelength (a whopping 0.6 A/W
>>avg. @ 1 um, and better
>>than 0.15 A/W @
>>1.1 um) - much more so than most commonly-available
>>PD's.
>>
>>73 de Jonathan W2MXW
>>
>>
>>
>>
>>_______________________________________________
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>>
> 
> 
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