These are new, hard sealed laser tubes for your OEM, replacement, or experimental needs. Other types of tubes may be available. Please email us for more information.


Output Power: 4.0 mW minimum 5.5 mW typical 8.0 mW maximum.
Wavelength: 632.8 nm RED
 Linear 500:1, (random may be available, please call or email for availability)
Mode: TEMoo
Beam Diameter: 0.80 mm
Beam Divergence: 1.0 mRads.
Light Exit: Cathode end of tube.
Operating Voltage: 2390 VDC (with 75K ballast).
Start Voltage: 10KV.
Operating Current Range: 6 to 7 mA, 6.5 mA Ideal.
Recommended Ballast Resistor: 75K Ohms, 5 Watt.
(Add in series to the anode lead within 3″ of the tube.)
Recommended Power Supply: DG-22, E-21, LAB-S-22.
Dimensions: 13.8″ long x 1.45″ diameter.
Warranty: Limited 30 days from date of purchase.