This part is a kind of semiconductor called 1n5390.

Function of this product has 1.5 Amp. Silicon Rectifier Diodes.

Manufacturers : ETC

Image and pinout :

Some of the text within the PDF file :

1N5391 1N5399 1.5 Amp. Silicon Rectifier Diodes Dimensions in mm. DO-15 (Plastic) Voltage 50 to 1000 V. Current 1.5 A. at 70°C. 6.35 ± 0.2 58.5 min. • Low cost Mounting instructions 1. Min. distance from body to soldering point, 4 mm. 2. Max. solder temperature, 350°C. 3. Max. soldering time, 3,5 sec. 4. Do not bend lead at a point closer than 2 mm. to the body. • Diffused junction • High current capability • The plastic material carries U/L recognition 94 V-0 • Terminals: Axial Leads • Polarity: Color band denotes cathode Maximum Ratings, according to IEC publication No. 134 1N 1N 1N 1N 1N 1N 1N 1N 1N 5391 5392 5393 5394 5395 5396 5397 5398 5399 VRRM IF(AV) IFRM IFSM Tj Tstg Peak recurrent reverse voltage (V) Forward current at Tamb = 70°C Recurrent peak f [ ... ]

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