LESHAN RADIO COMPANY, LTD. SCHOTTKY BARRIER (DOUBLE) DIODE LBAS40*LT1 3 1 Features 2 Low forward current Guard ring protected Low diode capacitance. SOT- 23 APPLICATIONS Ultra high-speed switching Voltage clamping Protection circuits. Blocking diodes. DESCRIPTION Planar Schottky barrier diodes with an integrated guard ring for stress protection. 3 Cathode 1 Anode 3 Cathode BAS40 single diode. 1 Anode 2 Anode BAS40-05 single diode. 3 Cathode/Anode 1 Anode 2 Cathode BAS40-04 single diode. 3 Anode 1 Cathode 2 Cathode BAS40-06 single diode. LBAS40 –1/4 LESHAN RADIO COMPANY, LTD. LBAS40 Series MAXIMUM RATINGS (TA = 25°C) Parameter Continuous reverse voltage Continuous forward current Repetitive Peak forward surge current Non-repetitive peak forward current Storage temperature Junction temperature Operating ambient temperature Symbol VR IF IFSM IFSM Tstg Tj Tamb Min. -65 -65 Max. 40 120 120 200 +150 150 +150 Unit V mA mA mA °C °C °C Conditions tp<1s;δ<0.5 tp<10ms DEVICE MARKING LBAS40LT1=B1 LBAS40-04LT1=CB LBAS40-05LT1=45 LBAS40-06LT1=L2 ELECTRICAL CHARACTERISTICS(TA = 25°C) Parameter Forward voltage(Fig.1) Symbol VF Reverse current(Fig.2 ;note1) IR Diode capacitance(Fig.4) Cd Max. 400 560 1 1 10 5 Unit mV mv v µΑ µA pF Conditions IF=1mA IF=10mA IF=40mA VR=30V VR=40V f=1MHz;VR=0 Note: 1. Pulse test:tp=300µs;δ=0.02. THERMAL CHARACTERISTICS PARAMETER Thermal resistance from junction to ambient SYMBOL VALUE UNIT CONDITIONS Rth j-a 500 k/w note1 Note 1. Refer to SOT23 or SOT143B standard mounting conditions. LBAS40 –2/4 LESHAN RADIO COMPANY, LTD. LBAS40 Series Electrical characteristic curves(TA = 25°C) 2 Tamb=85OC O 10 Tamb=150 C FORWARD VOLTAGE: I (µA) R FORWARD VOLTAGE: I (mA) F 10 Tamb=25OC 1 Tamb=-40OC 10-1 10 3 10 2 Tamb=150OC 10 Tamb=85OC 1 10-1 10-2 0 0.2 0.4 0.6 0.8 1.0 10-2 Tamb=25OC 0 30 40 5 3 4 FORWARD VOLTAGE: Cd(pF) FORWARD VOLTAGE: rdiff(Ω) 20 Fig.2 Reverse current as a function of reverse voltage; typical values. Fig.1 Forward current as a function of forward voltage; typical values. 10 10 FORWARD VOLTAGE: V (V) R FORWARD VOLTAGE: V (V) F 102 10 1 10-1 1 102 10 FORWARD VOLTAGE: I (mA) F f=10KHz Fig.3 Differential forward resistance as a function of forward current;typical values. 3 2 1 0 0 10 20 FORWARD VOLTAGE: V (V) R 30 40 O f=1MHz Tamb=25 C Fig.4 Diode capacitance as a function of reverse voltage;typical values. LBAS40 –3/4 LESHAN RADIO COMPANY, LTD. LBAS40 Series SOT-23 NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M,1982 2. CONTROLLING DIMENSION: INCH. A L 3 1 V 2 DIM B S G C D H K J MIN 0.1102 0.0472 0.0350 0.0150 0.0701 0.0005 0.0034 0.0140 0.0350 0.0830 0.0177 A B C D G H J K L S V INCHES MAX 0.1197 0.0551 0.0440 0.0200 0.0807 0.0040 0.0070 0.0285 0.0401 0.1039 0.0236 MILLIMETERS MIN MAX 2.80 3.04 1.20 1.40 0.89 1.11 0.37 0.50 1.78 2.04 0.013 0.100 0.085 0.177 0.35 0.69 0.89 1.02 2.10 2.64 0.45 0.60 0.037 0.95 0.037 0.95 0.079 2.0 0.035 0.9 0.031 0.8 inches mm LBAS40 –4/4