Formosa MS Surface Mount Schottky Diode BAT54 / A / C / S Silicon epitaxial planar type Features (B) 0.015 (0.38) .079(2.00) 0.017 (0.42) 0.040 (1.02) Mechanical data .071(1.80) 0.118 (3.00) High speed ( trr < 5 ns ) 0.110 (2.80) High reliability 0.035 (0.88) SOT-23 Small surface mounting type (C) (A) 0.055 (1.40) 0.028 (0.70) 0.020 (0.50) 0.047 (1.20) 0.102 (2.60) Case : SOT-23 Terminals : Solder plated, solderable per MIL-STD-750, Method 2026 Mounting Position : Any 0.094 (2.40) R 0.05 (0.002) 0.045 (1.15) 0.033 (0.85) Dimensions in inches and (millimeters) Marking Code BAT54 KL1 A BAT54A KL2 B A C B C BAT54C KL3 BAT54S KL4 A A B C B C MAXIMUM RATINGS (AT T A =25 o C unless otherwise noted) PARAMETER CONDITIONS Repetitive peak reverse voltage Reverse voltage Symbol MIN. TYP. MAX. UNIT V RRM 30 V VR 30 V Peak forward surge current t p < 10 ms I FSM 600 mA Repetitive peak forward current tp < 1 s I FRM 300 mA Forward current IF 200 mA Junction temperature Tj 125 o C Storage temperature T STG +150 o C -55 ELECTRICAL CHARACTERISTICS (AT T A=25 oC unless otherwise noted) PARAMETER MAX. UNIT I F = 0.1mA VF 0.240 V I F = 1mA VF 0.320 V I F = 10mA VF 0.400 V I F = 30mA VF 0.500 V I F = 100mA VF 0.800 V Reverse current V R = 25V IR 2.0 uA Diode capacitance V R = 1V , f = 1MHz CD 10.0 pF Reverse recovery time I F =10mA, V R = 10mA, I RR = 0.1 X I R , R L =100 OHM t rr 5 ns Forward voltage CONDITIONS Symbol MIN. TYP. RATING AND CHARACTERISTIC CURVES for each diode (BAT54 / A / C / S) FIG.1-TYPICAL FORWARD FIG.2 - Leakage Current CHARACTERISTICS CHARACTERISTICS 1000 handbook, halfpage 1000 (1) REVERSE LEAKAGE CURRENT, (uA) FORWARD CURRENT,(mA) (1) (2) (3) 100 10 (1) (2) (3) 1 0.1 0 0.4 0.8 100 (2) 10 1 (3) 0.1 1.2 0 10 FORWARD VOLTAGE,(V) (1) TA = 125 OC (2) TA = 85 OC 20 30 REVERSE VOLTAGE, (V) (3) TA = 25 OC (1) TA = 125 OC (2) TA = 85 OC (3) TA = 25 OC FIG.3-TYPICAL JUNCTION CAPACITANCE 15 JUNCTION CAPACITANCE,(pF) h 10 5 0 0 10 20 30 REVERSE VOLTAGE,(V) 820 OHM +10V 2K 100uH 0.1 uF IF tr tp t 10% 0.1 uF tr t DUT 50 OHM OUTPUT PULSE GENERATOR 50 OHM INPUT SAMPLING OSCILLOSCOPE 90% IR(REC)=1 mA VR OUTPUT PULSE (IF=IR=10mA;measured at iR(REC)=1mA) Notes : 1. A2.0 Kohm variable resistor adjusted for a forward Current (IF) of 10mA. Notes: Notes: 2. Input pulse is adjusted so IR(peak) is equal to 10 mA. 3. tp >> trr. » t Recovery Time Equivalent Test Circuit