DS11009 Rev. 11 - 2
1 of 3
SD103A - SD103C
SD103A - SD103C
SCHOTTKY BARRIER DIODE
Features
Low Forward Voltage Drop
Guard Ring Construction for Transient
Protection
Low Reverse Recovery Time
Low Reverse Capacitance
Case: DO-35, Glass
Leads: Solderable per MIL-STD-202,
Method 208
Marking: Type Number
Polarity: Cathode Band
Weight: 0.13 grams (approx.)
Mechanical Data
Maximum Ratings
@ T
A
= 25C unless otherwise specified
Electrical Characteristics
@ T
A
= 25C unless otherwise specified
Characteristic
Symbol
SD103A
SD103B
SD103C
Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
V
RRM
V
RWM
V
R
40
30
20
V
RMS Reverse Voltage
V
R(RMS)
28
21
14
V
Forward Continuous Current
I
FM
350
mA
Repetitive Peak Forward Current
@ t 1.0s
I
FRM
1.0
A
Non-Repetitive Peak Forward Surge Current
8.3 ms Half Sine Wave
I
FSM
15
A
Power Dissipation
P
d
400
mW
Thermal Resistance, Junction to Ambient Air
R
qJA
300
K/W
Operating Junction Temeperature
T
j
125
C
Storage Temperature Range
T
STG
-55 to +150
C
Characteristic
Symbol
Min
Typ
MaxUnit
Test Condition
Reverse Breakdown Voltage
SD103A
SD103B
SD103C
V
(BR)R
40
30
20
V
I
RS
= 100mA (pulsed)
Maximum Forward Voltage Drop
V
FM
0.37
0.60
V
I
F
= 20mA
I
F
= 200mA
Maximum Peak Reverse Current
SD103A
SD103B
SD103C
I
RM
5.0
mA
V
R
= 30V
V
R
= 20V
V
R
= 10V
Junction Capacitance
C
j
50
pF
V
R
= 0V, f = 1.0MHz
Reverse Recovery Time
t
rr
10
ns
I
F
= I
R
= 50mA to 200mA,
I
rr
= 0.1 x I
R
, R
L
= 100W
A
A
B
C
D
DO-35
Dim
Min
Max
A
25.40
B
4.00
C
0.60
D
2.00
All Dimensions in mm
DS11009 Rev. 11 - 2
2 of 3
SD103A - SD103C
1.0
10
100
1000
0.10
0.01
0
0.5
1.0
I,
F
O
R
W
ARD
CURRENT
(mA)
F
V , FORWARD VOLTAGE (V)
Fig. 1 Typical Forward Characteristics
F
0
1
2
3
4
5
0
0.5
1.0
1.5
I
,
FOR
W
ARD
CURRENT
(A)
F
V , FORWARD VOLTAGE (V)
Fig. 2 Typical High Current Fwd Characteristics
F
t = 300 s
duty cycle = 2%
p
0
10
20
30
40
50
0
100
200
V
,
REVERSE
VOL
T
AGE
(V)
R
T , AMBIENT TEMPERATURE ( C)
Fig. 3 Blocking Voltage Derating Curves
A
100mA
200mA
I = 400mA
F
0.1
1.0
100
20
30
40
C
,
CAP
ACIT
ANCE
(pF)
J
V , REVERSE VOLTAGE (V)
Fig. 4 Typ. Junction Capacitance vs Reverse Voltage
R
10
10
0
PDF 
ZIP