This part is a kind of semiconductor called 2N2326.

Function of this product has Silicon Controlled Rectifier.

Manufacturers : MA-COM

Image and pinout :

Some of the text within the PDF file :

2N232x Series Silicon Controlled Rectifier Features  Available in JAN, JANTX, JANTXV per MIL-PRF19500/276  TO-5 & TO-39 (TO-205AD) Package Rev. V2 Electrical Characteristics Characteristics Symbol Min. Max. Units Subgroup 2 Testing Reverse Blocking Current Forward Blocking Current Reverse Gate Current (VKG = 6 Vdc) Gate Trigger Voltage & Current V2 = VFBX = 6 Vdc; RL = 100 W Subgroup 4 Testing R2 = 1 kΩ R2 = 2 kΩ VR = 50 Vdc VR = 100 Vdc VR = 200 Vdc VR = 300 Vdc VR = 400 Vdc R2 = 1 kΩ R2 = 2 kΩ VR = 50 Vdc VR = 100 Vdc VR = 200 Vdc VR = 300 Vdc VR = 400 Vdc Re = 1 kΩ Re = 2 kΩ 2N2323, S - 2N2329, S 2N2323A, AS - 2N2329A, AS 2N2323, S, A, AS 2N2324, S, A, AS 2N2326, S, A, AS 2N2328, S, A, AS 2N2329, S, A, AS 2N2323, S - 2N2329, S 2N2323A, AS - 2N2329A, AS 2N2323, S, A, [ ... ]

2N2326 PDF Datasheet Download