Spectra-Physics Laser Exciter SP-249

Description

Manufacturer Description:
The SP-249 is one of the exciters used with the SP-120 laser. It is virtually identical to the SP-247 (even the PCB is the same) except for the following:
– R11 and Q1 have been bypassed and replaced with jumpers.
– R10 is 43K.
– ZD1 is made up of two 1N5922s in series (9.4 V total).
– R15 and R18 have been replaced by a single 9.1K resistor.
Estimated specifications (SP-249):
-Operating voltage: 3,200 V.
– Operating current: 2.3 to 10 mA.
– Starting voltage: greater than 10,000 V.
– Compliance range: 2,500 to 3,200 V at top of ballast resistor..

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***MPN 249
***OEM Spectra Physics, Inc.
***SKU*** 12376