LESHAN RADIO COMPANY, LTD.
LBAS40 –1/4
SCHOTTKY BARRIER (DOUBLE)
DIODE
LBAS40*LT1
Features
Low forward current
Guard ring protected
Low diode capacitance.
APPLICATIONS
Ultra high-speed switching
Voltage clamping
Protection circuits.
Blocking diodes.
DESCRIPTION
Planar Schottky barrier diodes with an integrated guard ring for
stress protection.
SOT
-
23
1
2
3
BAS40-05 single diode.
BAS40-06 single diode.
1
Anode 2
Anode
1
Anode 3
Cathode
BAS40 single diode.
BAS40-04 single diode.
3
Cathode
1
Anode 2
Cathode
3
Cathode/Anode
1
Cathode 2
Cathode
3
Anode
LESHAN RADIO COMPANY, LTD.
LBAS40 –2/4
MAXIMUM RA TINGS (TA = 25°C)
Parameter Symbol Min. Max. Unit Conditions
Continuous reverse voltage VR
-
40 V
Continuous forward current IF
-
120 mA
Repetitive Peak forward surge current IFSM
-
120 mA tp<1s;δ<0.5
Non-repetitive peak forward current IFSM
-
200 mA tp<10ms
Storage temperature Tstg -65 +150 °C
Junction temperature T j
-
150 °C
Operating ambient temperature Tamb -65 +150 °C
DEVICE MARKING
LBAS40LT1=B1 LBAS40-04LT1=CB LBAS40-05LT1=45 LBAS40-06LT1=L2
ELECTRICAL CHARACTERISTICS(TA = 25°C)
Parameter Symbol Max. Unit Conditions
Forward voltage(Fig.1) VF400 mV IF=1mA
560 mv IF=10mA
1v I
F=40mA
Reverse current(Fig.2 ;note1) IR1µΑ VR=30V
10 µAV
R=40V
Diode capacitance(Fig.4) Cd5 pF f=1MHz;VR=0
Note:
1. Pulse test:tp=300µs;δ=0.02.
THERMAL CHARACTERISTICS
PARAMETER SYMBOL VALUE UNIT CONDITIONS
Thermal resistance from junction to ambient Rth j-a 500 k/w note1
Note
1. Refer to SOT23 or SOT143B standard mounting conditions.
LBAS40 Series
LESHAN RADIO COMPANY, LTD.
LBAS40 –3/4
LBAS40 Series
Electrical characteristic curves(TA = 25°C)
102
10
1
10-1
10-20 0.2 0.4 0.6 0.8 1.0
Tamb=150OC
Tamb=25OC
Tamb=
-
40OC
Tamb=85OC
Fig.1 Forward current as a function of
forward voltage; typical values.
103
102
10
1
10-1
10-2 0 10 20 30 40
Fig.2 Reverse current as a function of
reverse voltage; typical values.
5
4
3
2
1
00 10 20 30 40
Fig.4 Diode capacitance as a function of reverse
voltage;typical values.
103
102
10
1
10-1 1 10 102
Fig.3 Differential forward resistance as a function
of forward current;typical values.
Tamb=25OC
Tamb=85OC
Tamb=150OC
f=10KHz
FORW ARD V OLTAGE: IF(mA)
FORW ARD V OLTA GE: VF(V)
FORWARD VOLTAGE: IR(µA)
FORW ARD V OLTA GE: VR(V)
FORW ARD V OLTAGE: rdiff(Ω)
FORW ARD V OLTAGE: Cd(pF)
FORW ARD V OLTA GE: IF(mA) FORW ARD V OLTAGE: VR(V) f=1MHz Tamb=25OC
LESHAN RADIO COMPANY, LTD.
LBAS40 –4/4
LBAS40 Series
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M,1982
2. CONTROLLING DIMENSION: INCH.
INCHES MILLIMETERS
DIM MIN MAX MIN MAX
A0.1102 0.1197 2.80 3.04
B0.0472 0.0551 1.20 1.40
C0.0350 0.0440 0.89 1.11
D0.0150 0.0200 0.37 0.50
G0.0701 0.0807 1.78 2.04
H0.0005 0.0040 0.013 0.100
J0.0034 0.0070 0.085 0.177
K0.0140 0.0285 0.35 0.69
L0.0350 0.0401 0.89 1.02
S0.0830 0.1039 2.10 2.64
V0.0177 0.0236 0.45 0.60
SOT
-
23
D
J
K
L
A
C
BS
H
G
V
12
3
mm
inches
0.037
0.95
0.037
0.95
0.079
2.0
0.035
0.9
0.031
0.8
