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LESHAN RADIO COMPANY, LTD.
SCHOTTKY BARRIER (DOUBLE) DIODE
LBAS40*LT1
3 1 2
Features
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 BAS40 single diode.
3 Cathode
1 Anode BAS40-05 single diode.
2 Anode
3 Cathode/Anode
3 Anode 1 Cathode 2 Cathode
1 Anode
2 Cathode BAS40-04 single diode.
BAS40-06 single diode.
LBAS40 -1/4
LESHAN RADIO COMPANY, LTD.
LBAS40 Series
MAXIMUM RATINGS (TA = 25C)
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;<0.5 tp<10ms
DEVICE MARKING
LBAS40LT1=B1 LBAS40-04LT1=CB LBAS40-05LT1=45 LBAS40-06LT1=L2
ELECTRICAL CHARACTERISTICS(TA = 25C)
Parameter Forward voltage(Fig.1) Symbol VF Max. 400 560 1 1 10 5 Unit mV mv v A pF Conditions IF=1mA IF=10mA IF=40mA VR=30V VR=40V f=1MHz;VR=0
Reverse current(Fig.2
;note1)
IR Cd
Diode capacitance(Fig.4) Note:
1. Pulse test:tp=300s;=0.02.
THERMAL CHARACTERISTICS PARAMETER
Thermal resistance from junction to ambient Note
SYMBOL
Rth j-a
VALUE 500
UNIT k/w
CONDITIONS note1
1. Refer to SOT23 or SOT143B standard mounting conditions.
LBAS40 -2/4
LESHAN RADIO COMPANY, LTD.
LBAS40 Series
Electrical characteristic curves(TA = 25C)
10
FORWARD VOLTAGE: I (mA) F
2
FORWARD VOLTAGE: I (A) R
10
Tamb=85OC
3 Tamb=150OC
O 10 Tamb=150 C
10
2
Tamb=25OC
10
1
Tamb=-40OC
Tamb=85OC
1
10-1
10-1 10-2
Tamb=25OC
10-2 0
0.2
0.4
0.6
0.8
1.0
0
10
20
30
40
Fig.1 Forward current as a function of forward voltage; typical values.
FORWARD VOLTAGE: V (V) F
Fig.2 Reverse current as a function of reverse voltage; typical values.
FORWARD VOLTAGE: V (V) R
10
FORWARD VOLTAGE: rdiff()
3
5
4 102
FORWARD VOLTAGE: Cd(pF)
3
2
10
1
1 10-1
1
10 f=10KHz
102
0 0
10
20
30
O
40
FORWARD VOLTAGE: I (mA) F
FORWARD VOLTAGE: V (V) R
f=1MHz Tamb=25 C
Fig.3 Differential forward resistance as a function of forward current;typical values.
Fig.4 Diode capacitance as a function of reverse voltage;typical values.
LBAS40 -3/4
LESHAN RADIO COMPANY, LTD.
LBAS40 Series
SOT-23
NOTES:
A L 3 1 V G 2 BS DIM A B C D G H J K L S V MIN 0.1102 0.0472 0.0350 0.0150 0.0701 0.0005 0.0034 0.0140 0.0350 0.0830 0.0177 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M,1982 2. CONTROLLING DIMENSION: INCH. 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
C D H K J
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

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