WTE
POWER SEMICONDUCTORS
Pb
DD250/S – DD256/S
25A GLASS PASSIVATED DISH TYPE PRESS-FIT DIODE
Features
ꢀ
Glass Passivated Die Construction
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
Low Leakage
Low Cost
High Surge Current Capability
Low Forward
C-Band Terminal Construction
C
Anode +
D
Mechanical Data
B
ꢀ
Case: 8.4mm or 9.5mm Dish Type Press-Fit
with Silicon Rubber Sealed on Top
A
ꢀ
ꢀ
Terminals: Contact Areas Readily Solderable
Polarity: Cathode to Case (Reverse Units Are
Available Upon Request and Are Designated
By A “R” Suffix, i.e. DD250R or DD250SR)
Polarity: White Color Equals Standard,
Black Color Equals Reverse Polarity
8.4mm Dish
9.5mm Dish
Dim
A
Min
8.25
2.00
Max
Min
9.30
2.00
Max
9.70
2.40
8.45
2.40
ꢀ
B
C
1.50 Ø Typical
ꢀ
ꢀ
Mounting Position: Any
Lead Free: For RoHS / Lead Free Version,
Add “-LF” Suffix to Part Number, See Page 2
D (+)*
D (-)*
17.50
21.50
20.50
24.50
17.50
21.50
20.50
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%.
DD250/ DD251/ DD252/ DD253/ DD254/ DD255/ DD256/
Characteristic
Symbol
Unit
S
S
S
S
S
S
S
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VR
50
100
200
300
400
500
600
V
RMS Reverse Voltage
VR(RMS)
IO
35
70
140
210
25
280
350
420
V
A
Average Rectified Output Current @TC = 120°C
Non-Repetitive Peak Forward Surge Current
8.3ms Single half sine-wave superimposed on
rated load (JEDEC Method)
IFSM
300
1.0
A
Forward Voltage
@IF = 25A
VFM
IRM
V
Peak Reverse Current
@TA = 25°C
5.0
500
µA
At Rated DC Blocking Voltage
@TA = 100°C
Typical Junction Capacitance (Note 1)
Typical Thermal Resistance (Note 2)
Operating and Storage Temperature Range
Cj
300
1.0
pF
°C/W
°C
RθJC
TJ, TSTG
-65 to +175
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.
DD250/S – DD256/S
1 of 2
© 2006 Won-Top Electronics