LESHAN RADIO COMPANY, LTD.
LBAS21SLT1-1/3
High Voltage Switching Diode
MAXIMUM RATINGS
Rating
Symbol
Value
Unit
Continuous Reverse Voltage
V
R
250
Vdc
Peak Forward Current
I
F
225
mAdc
Peak Forward Surge Current
I
FM(surge)
625
mAdc
THERMAL CHARACTERISTICS
Characteristic
Symbol
Max
Unit
Total Device Dissipation FR 5 Board, (1)
P
D
225
mW
T
A
= 25C
Derate above 25C
1.8
mW/C
Thermal Resistance, Junction to Ambient
R
JA
556
C/W
Total Device Dissipation
P
D
300
mW
Alumina Substrate, (2) T
A
= 25C
Derate above 25C
2.4
mW/C
Thermal Resistance, Junction to Ambient
R
JA
417
C/W
Junction and Storage Temperature
T
J
, T
stg
55 to +150
C
ELECTRICAL CHARACTERISTICS
(T A = 25C unless otherwise noted)
Characteristic
Symbol
Min
Max
Unit
OFF CHARACTERISTICS
Reverse Voltage Leakage Current
I
R
Adc
(V
R
= 200Vdc)
--
0.1
(V
R
= 200Vdc, T
J
= 150C)
--
100
Reverse Breakdown Voltage
V
(BR)
250
--
Vdc
(I
BR
= 100
Adc)
Forward Voltage
V
F
mV
(I
F
= 100 mAdc)
--
1000
(I
F
= 200 mAdc)
--
1250
Diode Capacitance
C
D
--
5.0
pF
(V
R
= 0, f = 1.0 MHz)
Reverse Recovery Time
t
rr
--
50
ns
(I
F
= I
R
= 30mAdc, R
L
= 100
)
1. FR5 = 1.0 x 0.75 x 0.062 in.
2. Alumina = 0.4 x 0.3 x 0.024 in. 99.5% alumina.
FETURE
Pb-Free Package is available.
1
3
2
SOT 23 (TO236AB)
L
BAS21S
LT1
3
CATHODE/ANODE
ANODE
1
CATHODE
2
DEVICE MARKING AND ORDERING INFORMATION
Device
Marking
Shipping
LBAS21SLT1
JT
3000/Tape&Reel
LBAS21SLT1G
JT
(Pb-Free)
3000/Tape&Reel
LESHAN RADIO COMPANY, LTD.
LBAS21SLT1-2/3
LBAS21SLT1
Notes: 1. A 2.0 k
variable resistor adjusted for a Forward Current (I
F
) of 30 mA.
Notes:
2. Input pulse is adjusted so I
R(peak)
is equal to 30 mA.
Notes:
3. t
p
t
rr
Figure 1. Recovery Time Equivalent Test Circuit
+10 V
2.0 k
820
100
H
0.1
F
D.U.T.
0.1
F
50
OUTPUT
PULSE
GENERATOR
t
r
50
INPUT
SAMPLING
OSCILLOSCOPE
t
p
t
10%
90%
I
F
I
R
t
rr
t
i
R(REC)
= 3.0 mA
OUTPUT PULSE
(I
F
= I
R
= 30 mA; MEASURED
at i
R(REC)
= 3.0 mA)
INPUT SIGNAL
I
F
V
R
Figure 2. Forward Voltage
Figure 3. Reverse Leakage
7000
REVERSE VOLTAGE (V)
5000
3000
5
0
2
1
6000
4000
6
5
10
20
50
100
200
1
2
3
4
300
T
A
= 155
C
T
A
= 25
C
T
A
= -55
C
REVERSE CURRENT (nA)
FORWARD CURRENT (mA)
T
A
= -55
C
1
10
100
1000
1
200
400
600
800
1000
1200
FOR
W
ARD VOL
T
AGE (mV)
155
C
25
C
LESHAN RADIO COMPANY, LTD.
LBAS21SLT1-3/3
D
J
K
L
A
C
B S
H
G
V
1
2
mm
inches
0.037
0.95
0.037
0.95
0.079
2.0
0.035
0.9
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
INCHES
MILLIMETERS
DIM
MIN
MAX
MIN
MAX
A
0.1102
0.1197
2.80
3.04
B
0.0472
0.0551
1.20
1.40
C
0.0350
0.0440
0.89
1.11
D
0.0150
0.0200
0.37
0.50
G
0.0701
0.0807
1.78
2.04
H
0.0005
0.0040
0.013
0.100
J
0.0034
0.0070
0.085
0.177
K
0.0140
0.0285
0.35
0.69
L
0.0350
0.0401
0.89
1.02
S
0.0830
0.1039
2.10
2.64
V
0.0177
0.0236
0.45
0.60
0.031
0.8
SOT-23
3
LBAS21SLT1
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