1N3643-1N3647, 1N4254-1N4257, 1N5181-1N5184 High-reliability discrete products and engineering services since 1977 HIGH VOLTAGE RECTIFIERS FEATURES Available as “HR” (high reliability) screened per MIL-PRF-19500, JANTX level. Add “HR” suffix to base part number. Available as non-RoHS (Sn/Pb plating), standard, and as RoHS by adding “-PBF” suffix. MAXIMUM RATINGS Parameter Value Operating and Storage Temperature: -65 to +175°C Thermal resistance 38° junction to lead at 3/8” lead length from body Average rectified forward current (IO) 0.250 amps @ TA = 55°C 1N3643-1N3647 0.150 amps @ TA = 100°C 0.250 amps @ TA = 55°C 1N4254-1N4257 0.150 amps @ TA = 100°C 0.100 amps @ TA = 55°C 1N5181-1N5184 0.060 amps @ TA = 100°C Solder temperatures 260°C for 10 s maximum ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise specified) Type Working peak reverse voltage Average rectified current Maximum forward voltage VRWM lO VF Volts 1N3643 1N3644 1N3645 1N3646 1N3647 1N4254 1N4255 1N4256 1000 1500 2000 2500 3000 1500 2000 2500 mA 55°C 100°C 250 150 150 250 250 250 250 250 250 250 150 150 150 150 150 150 Volts Maximum reverse current Maximum surge current lR @ VRWM µA Amps 25°C 55°C 125°C 175°C 5.0(1) 5 - - - 14 5.0 (1) 5 - - - 14 5.0 (1) 5 - - - 14 5.0 (1) 5 - - - 14 5.0 (1) 5 - - - 14 3.5 (2) 1 - 20 - 10 3.5 (2) 1 - 20 - 10 3.5 (2) 1 - 20 - 10 (2) 1N4257 3000 250 150 3.5 1 - 20 - 10 1N5181 4000 100 60 10(2) - 5 - 1000 4 60 10 (2) - 5 - 1000 4 10 (2) - 5 - 1000 4 10 (2) - 5 - 1000 4 1N5182 1N5183 1N5184 5000 7500 10000 100 100 100 60 60 Note 1: VF @ 250mA Note 2: VF @ 100mA Rev. 20120410 1N3643-1N3647, 1N4254-1N4257, 1N5181-1N5184 High-reliability discrete products and engineering services since 1977 HIGH VOLTAGE RECTIFIERS MECHANICAL CHARACTERISTICS Case: Digi L Marking: Body Painted, Alpha-Numeric Polarity: Cathode Band Digi L BD BL LD LL Inches Min Max 0.110 0.235 0.028 0.032 1.000 - Millimeters Min Max 2.794 5.969 0.711 0.813 25.400 - 1N3643-1N3647 AND 1N4254-1N4257 1N5181-1N5184 Rev. 20120410