- 50 -
SDBS12 THRU SDBS110
1.0 AMP. Schottky Barrier Rectifiers
Voltage Range
20 to 100 Volts
Current
1.0 Ampere
Features
Metal to silicon rectifier, majority carrier conduction
Low forward voltage drop
Easy pick and place
High surge current capability
Plastic material used carriers Underwriters
Laboratory Classification 94V-O
Epitaxial
construction
High temperature soldering:
260
o
C/ 10 seconds at terminals
Small size, single installation lead solderable per
MIL-STD-202 Method 208
Mechanical Data
Case:
Molded
plastic
Terminals: Solder plated
Polarity: Indicated by cathode band
DB
DBS
Dimensions in inches and (millimeters)
Maximum Ratings and Electrical Characteristics
Rating at 25
ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%
SDB
12
SDB
13
SDB
14
SDB
15
SDB
16
SDB
19
SDB
110
Type Number
Symbol
SDBS
12
SDBS
13
SDBS
14
SDBS
15
SDBS
16
SDBS
19
SDBS
110
Units
Maximum Recurrent Peak Reverse Voltage
V
RRM
20
30
40
50
60
90
100
V
Maximum RMS Voltage
V
RMS
14
21
28
35
42
63
70
V
Maximum DC Blocking Voltage
V
DC
20
30
40
50
60
90
100
V
Maximum Average Forward Rectified Current
at T
L
(See Fig. 1)
I
(AV)
1.0 A
Peak Forward Surge Current, 8.3 ms Single
Half Sine-wave Superimposed on Rated
Load (JEDEC method )
I
FSM
30 A
Maximum Instantaneous Forward Voltage
(Note 1) @ 1.0A
V
F
0.5 0.75
0.80
V
0.4 0.05
Maximum DC Reverse Current @ T
A
=25
at Rated DC Blocking Voltage @ T
A
=100
I
R
10 5.0
0.5
mA
mA
Typical Junction Capacitance (Note 3)
Cj 50 pF
Typical Thermal Resistance ( Note 2 )
R
JL
R
JA
28
88
/W
/W
Operating Temperature Range
T
J
-65 to +125
-65 to +150
Storage Temperature Range
T
STG
-65 to +150
Notes
:
1. Pulse Test with PW=300 usec, 1% Duty Cycle
2. Measured on P.C.Board with 0.5 x 0.5"(12 x 12mm) Copper Pad Areas.
3. Measured at 1 MHz and Applied Reverse Voltage of 4.0V D.C.
.404(10.3)
.386(9.80)
.255(6.5)
.245(6.2)
.013(0.33)
.0088(0.22)
.013(0.33)
.003(0.076)
.060(1.53)
.040(1.02)
.205(5.2)
.195(5.0)
.047(1.20)
.040(1.02)
.335(8.51)
.320(8.13)
0
45
.130(3.30)
.120(3.05)
- 51 -
RATINGS AND CHARACTERISTIC CURVES (SDBS12 THRU SDBS110)
FIG.2- MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
PEAK
FOR
W
ARD
SURGE
CURRENT
.
(A)
1
10
100
0
10
20
40
30
50
NUMBER OF CYCLES AT 60Hz
AT RATED TL
8.3ms Single Half Sine Wave
JEDEC Method
FIG.1- MAXIMUM FORWARD CURRENT DERATING
CURVE
A
VERAGE
FOR
W
ARD
CURRENT
.
(A)
50
60
70
80
90
100
110
120
170
160
150
140
130
0
0.5
1.0
LEAD TEMPERATURE. ( C)
o
RESISTIVE OR
INDUCTIVE LOAD
SDBS15-SDBS110
SDBS12-
14
SDBS
PCB MOUNTED ON 0.2X0.2"
(5.0X5.0mm) COPPER PAD AREAS
FIG.3- TYPICAL FORWARD CHARACTERISTICS
INST
ANT
ANEOUS
FOR
W
ARD
CURRENT
.
(A)
0
.2
.4
.6
.8
1.0
1.2
1.4
1.6
0.01
0.1
1
10.0
50
FORWARD VOLTAGE. (V)
Tj=25 C
0
PULSE WIDTH=300 S
1% DUTY CYCLE
FIG.4- TYPICAL REVERSE CHARACTERISTICS
INST
ANT
ANEOUS
REVERSE
CURRENT
.(
m
A
)
0
20
40
60
80
100
120
140
0.01
0.1
1
10
100
1000
PERCENT OF RATED PEAK REVERSE VOLTAGE. (%)
Tj=100 C
0
Tj=25 C
0
SDBS12-SDBS14
FIG.5- TYPICAL JUNCTION CAPACITANCE
JUNCTION
CAP
ACIT
ANCE.(pF)
.1
1.0
10
100
10
100
400
REVERSE VOLTAGE. (V)
Tj=25 C
f=1.0MHz
Vsig=50mVp-p
0
SDBS19-SDBS110
SDBS15-SDBS16
SDBS12-SDBS14
SDBS15-SDBS16
SDBS19-SDBS110
SDBS12-SDBS14
SDBS15-SDBS110
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