SMB5942B

SMB5921B series Surface Mount Zener Diodes P b Lead(Pb)-Free Features: * Glass passivated chip * Low leakage * Built-in strain relief * Low inductance * High peak reverse power dissipation * For use in stabilizing and clipping circuits with high power rating. SURFACE MOUNT ZENER DIODES 3.0 WATTS SMB(DO-214AA) Mechanical Data * Case: Molded plastic SMB/DO-214AA * Epoxy: UL 94V-0 rate ame retardant * Terminals: Solderable per MIL-STD-750 method 2026 * Polarity: cathode band * Mounting position: Any * Weight: 0.093 gram SMB Outline Dimension B Dim A C A B C D J H E G D E G H J Unit:mm SMB Min 3.30 4.06 1.96 0.15 5.00 0.10 0.76 2.00 Max 3.94 4.80 2.21 0.31 5.59 0.20 1.52 2.62 WEITRON http://www.weitron.com.tw 1/2 Rev.A 04-Nov-09 SMB5921B series MAXIMUM RATINGS (TA=25°C unless otherwise noted) Parameter DC Power Dissipation at TL = 50°C Junction Temperature Range Storage Temperature Range Symbol PD TJ TSTG Value 3.0 -55 to +175 -55 to +175 Max. DC Zener Current IZM mA 440.0 400.0 364.0 328.0 300.0 272.0 250.0 230.0 200.0 186.0 166.0 150.0 136.0 124.0 110.0 100.0 90.0 82.0 76.0 68.0 62.0 58.0 52.0 48.0 44.0 40.0 36.0 32.0 30.0 UNIT W °C °C Part Number Nominal Zener Voltage VZ @ IZT Nom. V 6.8 7.5 8.2 9.1 10.0 11.0 12.0 13.0 15.0 16.0 18.0 20.0 22.0 24.0 27.0 30.0 33.0 36.0 39.0 43.0 47.0 51.0 56.0 62.0 68.0 75.0 82.0 91.0 100.0 mA 55.1 50.0 45.7 41.2 37.5 34.1 31.2 28.8 25.0 23.4 20.8 18.7 17.0 15.6 13.9 12.5 11.4 10.4 9.6 8.7 8.0 7.3 6.7 6.0 5.5 5.0 4.6 4.1 3.7 Ω 2.5 3.0 3.5 4.0 4.5 5.5 6.5 7.0 9.0 10.0 12.0 14.0 18.0 19.0 23.0 26.0 33.0 38.0 45.0 53.0 67.0 70.0 86.0 100.0 120.0 140.0 160.0 200.0 250.0 Max. Zener Impedance ZZT @ IZT mA 55.1 50.0 45.7 41.2 37.5 34.1 31.2 28.8 25.0 23.4 20.8 18.7 17.0 15.6 13.9 12.5 11.4 10.4 9.6 8.7 8.0 7.3 6.7 6.0 5.5 5.0 4.6 4.1 3.7 ZZK @ IZK Ω 200 400 400 500 500 550 550 550 600 600 650 650 650 700 700 750 800 850 900 950 1000 1100 1300 1500 1700 2000 2500 3000 3100 mA 1.00 0.50 0.50 0.50 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 Max. Reverse Leakage Current IR @ VR uA 5.0 5.0 5.0 5.0 5.0 5.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 V 5.2 6.0 6.5 7.0 8.0 8.4 9.1 9.9 11.4 12.2 13.7 15.2 16.7 18.2 20.6 22.8 25.1 27.4 29.7 32.7 35.8 38.8 42.6 47.1 51.7 56.0 62.2 69.2 76.0 Marking Code SMB5921B SMB5922B SMB5923B SMB5924B SMB5925B SMB5926B SMB5927B SMB5928B SMB5929B SMB5930B SMB5931B SMB5932B SMB5933B SMB5934B SMB5935B SMB5936B SMB5937B SMB5938B SMB5939B SMB5940B SMB5941B SMB5942B SMB5943B SMB5944B SMB5945B SMB5946B SMB5947B SMB5948B SMB5949B 21B 22B 23B 24B 25B 26B 27B 28B 29B 30B 31B 32B 33B 34B 35B 36B 37B 38B 39B 40B 41B 42B 43B 44B 45B 46B 47B 48B 49B WEITRON http://www.weitron.com.tw 2/2 Rev.A 04-Nov-09