This part is a kind of semiconductor called 1N3938.

Function of this product has DIODE.

Manufacturers : DSI

Image and pinout :

Some of the text within the PDF file :

Technical Data DIODE maximum ratings Voltage, Reverse (VR) Voltage, Reverse Peak (VRM) Current at VR = OV (IO) Current Average Rectified (IF) Current Surge Peak (IFM) Current, Surge (IFM) at tp = 10 ms Max. Power Dissipation (PT) at TC = °C Max. Thermal Resistance (Rth J-A) Max. Junction Temperature (TJ) 200.0 V 250.0 V empty A 2.0 A 6.5 A 70.0 A empty W 70.0 °C/W 175.0 °C NO. TYPE empty empty CASE empty empty 1N3938 SILICON CONTROLLED AVALANCHE DO-13 empty empty PERFORMANCE CHARACTERISTICS at T = 25°C, unless otherwise noted C NO. SYMBOL CONDITIONS MIN. MAX. UNITS 1. VF IF = 2.0 A (1) - 1.1 V 2. IR VR = 200.0 V - 5.0 µA 3. IR VR = 200.0 V, TC = 150.0° C - 500.0 µA 4. VBR IR = 50.0 µA 250.0 1k V 5. PRSM tp = 10.0 µs - 4.0 kW 6. 7. 8. 9. [ ... ]

1N3938 PDF Datasheet Download