POWERDI is a registered trademark of Diodes Incorporated.
PDS1240CTL
Document number: DS35110 Rev. 3 - 2
2 of 5
www.diodes.com
October 2012
? Diodes Incorporated
PDS1240CTL
NEW PRODUCT
Maximum Ratings
(@TA
= +25°C, unless otherwise specified.)
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitance load, derate current by 20%.
Characteristic Symbol Value Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VR
40 V
Average Rectified Output Current (See also Figure 5) per element
total device
IO
6
12
A
Non-Repetitive Peak Forward Surge Current, per element
8.3ms Single half sine-wave Superimposed on Rated Load
IFSM
150 A
Thermal Characteristics
Characteristic Symbol Typ Max Unit
Thermal Resistance Junction to Soldering Point
RθJS
?
2.0
°C/W
Thermal Resistance Junction to Ambient Air (Note 5)
RθJA
95
?
°C/W
Thermal Resistance Junction to Ambient Air (Note 6)
RθJA
75
?
°C/W
Thermal Resistance Junction to Ambient Air (Note 7)
RθJA
50
?
°C/W
Operating and Storage Temperature Range
TJ, TSTG
-65 to +150
°C
Electrical Characteristics
(@T
A
= +25°C, unless otherwise specified.)
Characteristic Symbol Min Typ Max Unit Test Condition
Reverse Breakdown Voltage (Note 8)
V(BR)R
40
?
?
V
IR
= 500
μA
Forward Voltage Per Element
VF
?
?
0.52
V
IF
= 6A, T
J
= +25
°C
? ?
0.45
IF
= 6A, T
J
= +100
°C
Reverse Leakage Current (Note 8) Per Element
IR
?
?
350
μA
VR
= 40V, T
J
= +25°C
? ?
20 mA
VR
= 40V, T
J
= +100°C
Notes: 5. FR-4 PCB, 2 oz. Copper, minimum recommended pad layout per http://www.diodes.com.
6. Polyimide PCB, 2 oz. Copper, minimum recommended pad layout per http://www.diodes.com.
7. Polyimide PCB, 2 oz. Copper. Cathode pad dimensions
9.4mm x 7.2mm. Anode pad
dimensions 2.7mm x 1.6mm.
8. Short duration pulse test used to minimize self-heating effect.
0
01
2
1
2
3
4
3
4567 8910
P
,
P
O
WE
R
DISSI
P
A
T
I
O
N
(W)
D
I , AVERAGE FORWARD CURRENT (A)F(AV)
Fig. 1 Forward Power Dissipation, Per Element
0100200 300 400
500
600
700
I , INS
T
AN
T
ANE
O
U
S
F
O
R
WA
R
D
C
U
R
R
EN
T
(A)
F
V , INSTANTANEOUS FORWARD VOLTAGE (mV)F
Fig. 2 Typical Forward Characteristics, Per Element
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