WTE
POWER SEMICONDUCTORS
Pb
3.0A HIGH VOLTAGE STANDARD DIODE
BY255
Features
!" Diffused Junction
!" Low Forward Voltage Drop
!" High Current Capability
!" High Reliability
A
B
A
!" High Surge Current Capability
Mechanical Data
C
!" Case: DO-201AD, Molded Plastic
!" Terminals: Plated Leads Solderable per
MIL-STD-202, Method 208
!" Polarity: Cathode Band
!" Weight: 1.2 grams (approx.)
!" Mounting Position: Any
!" Marking: Type Number
!" Lead Free: For RoHS / Lead Free Version,
Add “-LF” Suffix to Part Number, See Page 4
D
DO-201AD
Min
Dim
A
Max
—
25.4
B
7.20
9.50
1.30
5.30
C
1.20
D
4.80
All Dimensions in mm
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
BY255
Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VR
1300
V
RMS Reverse Voltage
VR(RMS)
IO
910
3.0
V
A
Average Rectified Output Current
(Note 1)
@TA = 75°C
Non-Repetitive Peak Forward Surge Current
8.3ms Single half sine-wave superimposed on
rated load (JEDEC Method)
IFSM
200
1.0
A
Forward Voltage
@IF = 3.0A
VFM
IRM
V
µA
Peak Reverse Current
@TA = 25°C
5.0
100
At Rated DC Blocking Voltage @TA = 100°C
Typical Junction Capacitance (Note 2)
Cj
50
20
pF
Typical Thermal Resistance Junction to Ambient
(Note 1)
RθJA
°C/W
Operating Temperature Range
Storage Temperature Range
Tj
-65 to +125
-65 to +150
°C
°C
TSTG
Note: 1. Leads maintained at ambient temperature at a distance of 9.5mm from the case
2. Measured at 1.0 MHz and Applied Reverse Voltage of 4.0V D.C.
BY255
1 of 4
© 2006 Won-Top Electronics