Vishay Intertechnology 1N1591 Mfr Package Description: METAL PACKAGE-1 Package Shape: ROUND Package Style: POST/STUD MOUNT Terminal Form: SOLDER LUG Terminal Position: UPPER Number of Terminals: 1 Package Body Material: METAL Technology: ZENER Configuration: SINGLE Case Connection: CATHODE Number of Elements: 1 Diode Element Material: SILICON Power Dissipation Limit-Max: 10 W Polarity: UNIDIRECTIONAL Diode Type: VOLTAGE REGULATOR DIODE Working Voltage-Nom: 6.8 V Working Test Current: 100 mA Reference Voltage Tol-Max: 10 %