Low VF Surface Mount
Schottky Barrier Rectifiers
* Plastic package has Underwriters Laboratory
Flammability Classification 94V-O Utilizing Flame
Retardant Epoxy Molding Compound.
* For surface mounted applications.
* Exceeds environmental standards of MIL-S-19500 / 228.
* Low leakage current.
* Case : Molded plastic, JEDEC DO-214AC
* Terminals : Solder plated, solderable per MIL-STD-750, Method 2026
* Polarity : Indicated by c athode band
* Mounting Position : Any
* Weight : 0.05 gram
Features:
SL22A thru SL24A
Mechanical Data:
REVERSE VOLTAGE
20-40 Volts
FORWARD CURRENT
2.0 AMPERES
WEITRON
http://www.weitron.com.tw
1/3
24-May-06
SMA-1
SMA-1 Outline Dimension
unit:mm
A
C
B
E
H
J
H
4.2
4.8
2.2
2.8
-
H
-
J
1.4
1.8
A
B
C
SMA-1
Dim
Min
Max
0.30
(TYP)
0.40
(TYP)
Lead(Pb)-Free
P b
Characteristics
Symbol
Unit
@T
A
=25C
V
RRM
I
O
I
FSM
V
F
I
R
R
JA
20
30
40
14
21
28
20
0.38
30
40
0.40
0.40
2.0
50
1.0
10
70(TYP)
-55 to+125
+125
pF
V
V
V
V
A
A
mA
WEITRON
http://www.weitron.com.tw
SL22A
SL23A
SL24A
C/W
C
C
V
RMS
C
J
T
J
T
STG
V
R
Dioide Junction Capacitance
f=1MHz and applied 4vDC Reverse Voltage
Typical Thermal Resistance
Storage Temperature Range
Device Marking
MAXIMUM RATING
SL22A thru SL24A
2/3
Superimposed on Rated Load (JEDEC Method)
8.3 ms Single Half Sine-Wave
Peak Forward Surge Current
Maximum Average Forward (Fig.1)
Continuous Reverse Voltage
Maximum RMS Voltage
Maximum Recurrent Peak Reverse Voltage
Maximum Instantaneous
Maximum DC Reverse Current @T A=25C
At Rated DC Blocking Voltage @TA=100C
160(TYP)
Operating Temperature Range
24-May-06
SL22A=SL22 , SL23A=SL23 , SL24A=SL24
WEITRON
http://www.weitron.com.tw
FIG.1 Typical Forward Current Derating Curve
A
VERAGE FOR
W
ARD CURRENT
,(A)
REVERSE VOLTAGE,(V)
JUNCTION CAP
ACIT
ANCE,(pF)
INST
ANT
ANEOUS FOR
W
ARD CURRENT
,(A)
FORWARD VOLTAGE,(V)
R
E
V
E
R
S
E
L
E
A
K
A
G
E
C
U
R
R
E
N
T
,
(
m
A
)
AMBIENT TEMPERATURE,(C)
PERCENT OF RATED PEAK REVERSE VOLTAGE,(%)
NUMBER OF CYCLES AT 60Hz
PEAK FOR
W
ARD SURGE CURRENT
,(A)
FIG.2 Typical Forward Characteristics
FIG.3 Maximum Non-Repetitive Forward
Surge Current
FIG.4 Typical Junction Capacitance
FIG.5 Typcial Reverse Characteristics
0
20
10
30
50
40
1
10
5
50
100
Tj=25C
8.3ms Single Half
Sine Wave
JEDEC method
.1
1.0
10
100
0 20 40 60 80 100 120 140
.01
Tj=75C
Tj=25C
3/3
SL22A thru SL24A
24-May-06
0.1
1.0
0.01
10
50
Pulse Width 300us
1% Duty Cycle
0.4
0.8
1.2
1.6
2.0
2.4
350
300
250
200
150
100
50
0
.01 .05 .1 .5 1 5 10 50 100
0.1 0.3 0.5 0.7 0.9 1.1 1.3 1.5
3.0
Resistive Or Inductive Load
SL
22A
L23A /
S
L
S
4A
2
Tj=25C
0
0 20 40
60 80 100 120 140 160 180 200
Single Phase
Half Wave 60Hz
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