WTE
POWER SEMICONDUCTORS
BY255
Pb
3.0A HIGH VOLTAGE STANDARD DIODE
Features
!"
Diffused Junction
!"
!"
!"
!"
Low Forward Voltage Drop
High Current Capability
High Reliability
High Surge Current Capability
A
B
A
Mechanical Data
!"
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
Dim
Max
A
25.4
—
B
7.20
9.50
C
1.20
1.30
D
4.80
5.30
All Dimensions in mm
DO-201AD
Min
C
Maximum Ratings and Electrical Characteristics
Single Phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
@T
A
=25°C unless otherwise specified
Characteristic
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
RMS Reverse Voltage
Average Rectified Output Current
(Note 1)
@T
A
= 75°C
Non-Repetitive Peak Forward Surge Current
8.3ms Single half sine-wave superimposed on
rated load (JEDEC Method)
Forward Voltage
Peak Reverse Current
At Rated DC Blocking Voltage
@I
F
= 3.0A
@T
A
= 25°C
@T
A
= 100°C
Symbol
V
RRM
V
RWM
V
R
V
R(RMS)
I
O
BY255
Unit
1300
910
3.0
V
V
A
I
FSM
V
FM
I
RM
C
j
R
θJA
T
j
T
STG
200
1.0
5.0
100
50
20
-65 to +125
-65 to +150
A
V
µA
pF
°C/W
°C
°C
Typical Junction Capacitance (Note 2)
Typical Thermal Resistance Junction to Ambient
(Note 1)
Operating Temperature Range
Storage Temperature Range
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
I
F
, INSTANTANEOUS FORWARD CURRENT (A)
4.0
200
100
T
j
= 25ºC
I
(AV)
, AVERAGE FORWARD CURRENT (A)
3.0
10
2.0
1.0
1.0
0
25
50
75
100
125
150
175
200
T
A
, AMBIENT TEMPERATURE (°C)
Fig. 1 Forward Current Derating Curve
0.2
0.4
0.8
1.2
1.6
2.0
2.4
2.8
3.2
V
F
, INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 2 Typical Forward Characteristics
200
I
FSM
, PEAK FORWARD SURGE CURRENT (A)
100
100
C
j
, CAPACITANCE (pF)
Tj = 25°C
Pulse width = 300µs
10
f = 1MHz
T
j
= 25ºC
10
1.0
10
100
1.0
1.0
10
V
R
, REVERSE VOLTAGE (V)
Fig. 4 Typical Junction Capacitance
100
NUMBER OF CYCLES AT 60Hz
Fig. 3 Maximum Non-Repetitive Surge Current
BY255
2 of 4
© 2006 Won-Top Electronics
MARKING INFORMATION
TAPING SPECIFICATIONS
0.8mm
MAX
10mm
BY255
WTE
Cathode
BY255
WTE
= Polarity Band
= Device Number
= Manufacturer’s Logo
1.2mm
MAX
6mm
52.4mm
Cathode Tape: Red
Anode Tape: White
0.8mm
MAX
PACKAGING INFORMATION
TAPE & BOX
TAPE & REEL
Product ID Label
150mm
Inspection Hole
(both ends)
330mm
255mm
75mm
BULK
80±5mm
40mm
200mm
Product ID Label
85mm
Packaging
TAPE & REEL
TAPE & BOX
BULK
Reel Diameter /
Box Size (mm)
330
255 x 75 x 150
200 x 85 x 40
Quantity
(PCS)
1,200
1,200
500
Carton Size
(mm)
370 x 370 x 420
400 x 273 x 415
459 x 214 x 256
Quantity
(PCS)
6,000
12,000
12,500
Approx. Gross Weight
(KG)
10.0
17.0
16.0
Note:
1. Paper reel, white or gray color. Core material: plastic or metal.
2. Components are packed in accordance with EIA standard RS-296-E.
BY255
3 of 4
© 2006 Won-Top Electronics
ORDERING INFORMATION
Product No.
BY255-T3
BY255-TB
BY255
1.
2.
3.
Package Type
DO-201AD
DO-201AD
DO-201AD
Shipping Quantity
1200/Tape & Reel
1200/Tape & Box
500 Units/Box
Products listed in
bold
are WTE
Preferred
devices.
Shipping quantity given is for minimum packing quantity only. For minimum
order quantity, please consult the Sales Department.
To order RoHS / Lead Free version (with Lead Free finish), add “-LF”
suffix to part number above. For example, BY255-TB-LF.
Won-Top Electronics Co., Ltd (WTE) has checked all information carefully and believes it to be correct and accurate. However, WTE cannot assume any
responsibility for inaccuracies. Furthermore, this information does not give the purchaser of semiconductor devices any license under patent rights to
manufacturer. WTE reserves the right to change any or all information herein without further notice.
WARNING:
DO NOT USE IN LIFE SUPPORT EQUIPMENT. WTE power semiconductor products are not authorized for use as critical components in life
support devices or systems without the express written approval.
Won-Top Electronics Co., Ltd.
No. 44 Yu Kang North 3rd Road, Chine Chen Dist., Kaohsiung, Taiwan
Phone:
886-7-822-5408 or 886-7-822-5410
Fax:
886-7-822-5417
Email:
sales@wontop.com
Internet:
http://www.wontop.com
We power your everyday.
BY255
4 of 4
© 2006 Won-Top Electronics
创意市集
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
