®
DD3520/S & DD3524/S
35A GLASS PASSIVATED AVALANCHE DISH TYPE PRESS-FIT DIODE
WON-TOP ELECTRONICS
Pb
Features
Glass Passivated Die Construction
Low Leakage
Low Cost
High Surge Current Capability
Low Forward Voltage Drop
C-Band Terminal Construction
Anode +
C
D
Mechanical Data
B
Case: 8.4mm or 9.5mm Dish Type Press-Fit
with Silicon Rubber Sealed on Top
Terminals: Contact Areas Readily Solderable
Polarity: Cathode to Case (Reverse Units Are
Available Upon Request and Are Designated
By A “R” Suffix, i.e. DD3520R or DD3520SR)
Polarity: White Color Equals Standard,
Black Color Equals Reverse Polarity
Mounting Position: Any
Lead Free: For RoHS / Lead Free Version,
Add “-LF” Suffix to Part Number, See Page 2
A
8.4mm Dish
Min
Max
9.5mm Dish
Min
Max
A
8.25
8.45
9.30
9.70
B
2.00
2.40
2.00
2.40
Dim
C
1.50 Ø Typical
D (+)*
17.50
20.50
17.50
20.50
D (-)*
21.50
24.50
21.50
24.50
All Dimensions in mm
“S” Suffix Designates 8.4mm Dish
No Suffix Designates 9.5mm Dish
(+)*: Standard Polarity; (-)*: Reverse Polarity
Maximum Ratings and Electrical Characteristics
@TA=25°C unless otherwise specified
Single Phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
Characteristic
Symbol
DD3524/S
Unit
VRRM
VRWM
VR
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
DD3520/S
16
20
V
Average Rectified Output Current
@TC = 120°C
IO
Breakdown Voltage Min.
Breakdown Voltage Max.
@IR = 100mA
@IR = 100mA
VBR
35
20
26
A
24
32
V
Non-Repetitive Peak Forward Surge Current
8.3ms Single Half Sine-Wave Superimposed on
Rated Load (JEDEC Method)
IFSM
400
A
Forward Voltage
VFM
1.0
V
IRM
200
nA
CJ
300
pF
RθJC
1.0
°C/W
TJ, TSTG
-65 to +175
°C
Peak Reverse Current
At Rated DC Blocking Voltage
@IF = 35A
@TA = 25°C
Typical Junction Capacitance (Note 1)
Typical Thermal Resistance (Note 2)
Operating and Storage Temperature Range
Note: 1. Measured at 1.0 MHz and applied reverse voltage of 4.0V D.C.
2. Thermal Resistance: Junction to case, single side cooled.
© Won-Top Electronics Co., Ltd.
Revision: April, 2012
www.wontop.com
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