This part is a kind of semiconductor called 1N4248.

Function of this product has GLASS PASSIVATED SILICON RECTIFIERS.

Manufacturers : Central Semiconductor

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1N4245 1N4248 1N4246 1N4249 1N4247 GLASS PASSIVATED SILICON RECTIFIERS 1.0 AMP, 200 THRU 1000 VOLT GPR-1A CASE w w w. c e n t r a l s e m i . c o m DESCRIPTION: The CENTRAL SEMICONDUCTOR 1N4245 series types are silicon rectifiers mounted in a hermetically sealed, glass passivated package for general purpose applications where high reliability is desired. MARKING: FULL PART NUMBER MAXIMUM RATINGS: (TA=25°C unless otherwise noted) SYMBOL 1N4245 1N4246 1N4247 1N4248 1N4249 UNITS Peak Repetitive Reverse Voltage VRRM 200 400 600 800 1000 V DC Blocking Voltage VR 200 400 600 800 1000 V RMS Reverse Voltage VR(RMS) 140 280 420 560 700 V Average Forward Current (TA=55°C) IO 1.0 A Peak Forward Surge Current, tp=8.3ms IFSM 40 A Operating and Storage Junction Temperature TJ, Tstg -6 [ ... ]

1N4248 PDF Datasheet Download