BAT54 THRU BAT54S Schottky Diodes FEATURES SOT-23 ♦ These diodes feature very low turn-on .122 (3.1) .118 (3.0) .016 (0.4) ♦ These devices are protected by a PN .056 (1.43) .052 (1.33) 3 junction guard ring against excessive voltage, such as electrostatic discharges. .016 (0.4) .045 (1.15) .037 (0.95) .037(0.95) .037(0.95) .007 (0.175) .005 (0.125) 2 max. .004 (0.1) 1 voltage and fast switching. Top View MECHANICAL DATA .102 (2.6) .094 (2.4) .016 (0.4) Dimensions in inches and (millimeters) 3 Case: SOT-23 Plastic Package Weight: approx. 0.008 g 3 Top View 1 2 1 BAT54 Marking: L4 2 BAT54A Marking: L42 3 3 Top View 1 1 2 BAT54C Marking: L43 2 BAT54S Marking: L44 MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS FOR ONE DIODE Ratings at 25 °C ambient temperature unless otherwise specified Symbol Value Unit Repetitive Peak Reverse Voltage VRRM 30 V Forward Continuous Current at Tamb = 25 °C IF 2001) mA Repetitive Peak Forward Current at Tamb = 25 °C IFRM 3001) mA Surge Forward Current at tp < 1 s, Tamb = 25 °C IFSM 6001) mA Junction Temperature Tj 150 °C Storage Temperature Range TS –65 to +150 °C 1) Device on fiberglass substrate, see layout. 4/98 BAT54 THRU BAT54S ELECTRICAL CHARACTERISTICS Ratings for one diode at 25 °C ambient temperature unless otherwise specified Symbol Min. Typ. Max. Unit V(BR)R 30 – – V VF VF VF VF VF – – – – – – – – – – 240 320 400 500 1000 mV mV mV mV mV Leakage Current Pulse Test tp < 300 µs, δ < 2% at VR = 25 V IR – – 2 µA Capacitance at VF = 1 V, f = 1 MHz Ctot – – 10 pF Reverse Recovery Time from IF = 10 mA through IR = 10 mA to IR = 1 mA, RL = 100 Ω trr – – 5 ns Thermal Resistance Junction to Ambient Air RthJA – – 4301) K/W Reverse Breakdown Voltage tested with 100 µA Pulses Forward Voltage Pulse Test tp < 300 µs, δ < 2% at IF = 0.1 mA at IF = 1 mA at IF = 10 mA at IF = 30 mA at IF = 100 mA 1) Device on fiberglass substrate, see layout .30 (7.5) .12 (3) .04 (1) .08 (2) .04 (1) .08 (2) .59 (15) .03 (0.8) .47 (12) 0.2 (5) .06 (1.5) Dimensions in inches (millimeters) .20 (5.1) Layout for RthJA test Thickness: Fiberglass 0.059 in (1.5 mm) Copper leads 0.012 in (0.3 mm)