Sdm03mt40/a, Maximum ratings, Thermal characteristics – Diodes SDM03MT40/A User Manual
Page 2: Electrical characteristics

SDM03MT40/A
Document number: DS30372 Rev. 12 - 2
2 of 4
October 2013
© Diodes Incorporated
SDM03MT40/A
Maximum Ratings
(@T
A
= +25°C, unless otherwise specified.)
Characteristic
Symbol
Value
Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
V
RRM
V
RWM
V
R
40
V
RMS Reverse Voltage
V
R(RMS)
28
V
Forward Continuous Current (Note 6)
I
FM
30
mA
Non-Repetitive Peak Forward Surge Current @8.3ms
Single half sine-wave superimposed on rated load
(JEDEDC method)
I
FSM
200
mA
Thermal Characteristics
Characteristic
Symbol
Value
Unit
Power Dissipation (Note 5)
P
D
225
mW
Thermal Resistance, Junction to Ambient Air
R
θJA
444
°C/W
Operating and Storage Temperature Range
T
J,
T
STG
-40 to +125
°C
Electrical Characteristics
(@T
A
= +25°C, unless otherwise specified.)
Characteristic
Symbol
Min
Typ
Max
Unit
Test Condition
Reverse Breakdown Voltage (Note 6)
V
(BR)R
40
V
I
R =
10µA
Forward Voltage Drop (Note 6)
V
F
370
mV
I
F
= 1mA
Leakage Current (Note 6)
I
R
1
µA
V
R
= 10V
Total Capacitance
C
T
2
pF
V
R
= 1V f = 1.0 MHz
Notes:
5. Device mounted on FR-4 PC board with recommended pad layout, which can be found on our website at
6. Short duration pulse test used to minimize self-heating effect.
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
I,
IN
S
TA
N
TA
N
E
O
U
S
F
O
R
WA
R
D
C
U
R
R
E
N
T
(A
)
F
V , INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 1 Typical Forward Characteristics
F
100m
1m
10m
1
0
5
10
15
20
25
30
35
I,
I
N
S
TA
N
TA
N
E
O
U
S
R
EVE
R
SE
C
U
R
R
E
N
T
(A
)
R
V , INSTANTANEOUS REVERSE VOLTAGE (V)
Fig. 2 Typical Reverse Characteristics
R
100n
10n
1n