SEME BAT54CSM LAB MECHANICAL DATA Dimensions in mm (inches) 2.54 ± 0.13 (0.10 ± 0.005) 0.51 ± 0.10 (0.02 ± 0.004) SCHOTTKY DIODE IN HERMETIC CERAMIC SURFACE MOUNT PACKAGE FOR HIGH RELIABILITY APPLICATIONS 0.31 rad. (0.012) 2 0.76 ± 0.15 (0.03 ± 0.006) 3 1 1.91 ± 0.10 (0.075 ± 0.004) A 0.31 rad. (0.012) 3.05 ± 0.13 (0.12 ± 0.005) A = 1.02 ± 0.10 (0.04 ± 0.004) 1.40 (0.055) max. SOT23 CERAMIC (LCC1 PACKAGE) Underside View PAD 1 — Anode PAD 2 — N/C PAD 3 — Cathode ABSOLUTE MAXIMUM RATINGS (TMB = 25°C unless otherwise stated) VR Reverse Voltage IF Forward Current 1 30V TMB ≤ 25°C 200mA Derate @ TMB >25°C See Figure 1 IFM Peak Forward Current TJ Maximum Operating Junction Temperature –55 to +135°C TSTG Storage Temperature Range –65 to +175°C 600mA ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise stated) Parameter IR VF Reverse Current Forward Voltage Co Capacitance trr Reverse Recovery Time Semelab plc. Test Conditions VR = 25V VR = 25V Min. Typ. Max. 2 TA = 85°C 100 IF = 1mA 0.32 IF = 10mA 0.40 IF = 30mA 0.50 VR = 0 f = 1MHz IF = 100mA to IR = 10mA RL = 100Ω Telephone (01455) 556565. Telex: 341927. Fax (01455) 552612. Unit µA V 10 pF 5 ns Prelim. 3/95 SEME BAT54CSM LAB Figure 1 – Power Derating Curve 250 Forward Current (mA) 200 150 100 50 0 0 25 50 75 100 125 150 Mounting Substrate Temperature (˚C) Semelab plc. Telephone (01455) 556565. Telex: 341927. Fax (01455) 552612. Prelim. 3/95