NTE508,NTE509,NTE510,NTE514 High Voltage Silicon Rectifiers for Vacuum Tube Replacement Absolute Maximum Ratings: Peak Inverse Voltage, PRV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45,000V Average Forward Current, IF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5mA Peak Repetitive Forward Current, IFRM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110mA Forward Voltage Drop (IF = 5mA), VF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50V NTE Type No. Replaces the Following Tube Types: NTE508 NTE509 NTE510 NTE514 3A3, 3AW3, 3B2, 3CA3, 3CN3, 3CV3, 3CZ3, 2CN3, 1B3, 1G3, 1K3, 1J3 3AT2, 3AW2, 3BL2, 3BM2, 3BN2 3CY3, 3DB3, 3DJ3 and 3DC3 3DR3, 3DS3 Note 1. When replacement is made, the routine high voltage output test should be performed and adjustment made if necessary. Rev. 5−13 .360 (9.14) Dia Small Cap JEDEC C1−1 2.750 (69.85) .350 (8.89) 1.100 (27.94) Dia Max 12−Pin Base NTE509 5 6 7 NC 8 NC P 10 NC 1 Octal Base NTE508 5 NC NC 3 9 NC 4 NC 3 2 P NC 2 11 NC 12 NC NC 1 P 5 NC 7K 8 NC NC 4 NC 3 NC 3 NC 2 K1 K2 NTE510 P 5 NC 6K 7 NC NC 1 NTE514 8K