This part is a kind of semiconductor called 1N4106.
Function of this product has LOW CURRENT OPERATION AT 250 uA.
Manufacturers : Compensated Deuices Incorporated
Image and pinout :

Some of the text within the PDF file :
• 1N4099-1 THRU 1N4135-1 AVAILABLE IN JAN, JANTX, JANTXV AND JANS PER MIL-PRF-19500/435 • LOW CURRENT OPERATION AT 250 µ A • LOW REVERSE LEAKAGE AND LOW NOISE CHARACTERISTICS • METALLURGICALLY BONDED 1N4099 thru 1N4135 and 1N4099-1 thru 1N4135-1 MAXIMUM RATINGS Junction and Storage Temperature: -65°C to +175°C DC Power Dissipation: 500mW @ +50°C Power Derating: 4 mW / °C above +50°C Forward Voltage at 200 mA: 1.1 Volts maximum ELECTRICAL CHARACTERISTICS @ 25°C, unless otherwise specified. JEDEC TYPE NUMBER NOMINAL ZENER VOLTAGE VZ @ lZT (Note 1) VOLTS 1N4099 1N4100 1N4101 1N4102 1N4103 1N4104 1N4105 1N4106 1N4107 1N4108 1N4109 1N4110 1N4111 1N4112 1N4113 1N4114 1N4115 1N4116 1N4117 1N4118 1N4119 1N4120 1N4121 1N4122 1N4123 1N4124 1N4125 1N4126 1N4127 1N4128 1N4129 1N4130 [ ... ]
1N4106 PDF Datasheet Download
