BY251 - BY254
Taiwan Semiconductor
CREAT BY ART
3A, 200V - 800V Silicon Rectifiers
FEATURES
- High efficiency, Low VF
- High current capability
- High reliability
- High surge current capability
- Low power loss
- Compliant to RoHS Directive 2011/65/EU and
in accordance to WEEE 2002/96/EC
- Halogen-free according to IEC 61249-2-21
MECHANICAL DATA
Case:
DO-201AD
Molding compound, UL flammability classification rating 94V-0
Packing code with suffix "G" means green compound (halogen-free)
Terminal:
Pure tin plated leads, solderable per JESD22-B102
Meet JESD 201 class 1A whisker test
Weight:
1.2 g (approximately)
DO-201AD
MAXIMUM RATINGS AND ELECTRICAL CHARACTERSTICS
(T
A
=25°C unless otherwise noted)
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified current
mm
e
V
RRM
V
RMS
V
DC
I
F(AV)
I
FSM
V
F
I
R
C
J
R
θJA
T
J
T
STG
200
140
200
PARAMETER
SYMBOL
nd
BY251
BY252
400
280
400
ed
BY253
600
420
600
3
150
1.0
5
100
40
40
- 55 to +150
- 55 to +150
BY254
800
560
800
UNIT
V
V
V
A
A
V
μA
pF
°C/W
°C
°C
Version: D15
Peak forward surge current, 8.3 ms single half sine-wave
superimposed on rated load
Maximum instantaneous forward voltage (Note 1)
@3A
Maximum reverse current @ rated V
R
Typical junction capacitance (Note 2)
Typical thermal resistance
Operating junction temperature range
Storage temperature range
Note1: Pulse Test with PW=300μs, 1% Duty Cycle
Note2: Measured at 1 MHz and Applied Reverse Voltage of 4.0V D.C.
Document Number: DS_D1406026
No
tR
T
J
=25°C
T
J
=125°C
eco
BY251 - BY254
Taiwan Semiconductor
CREAT BY ART
ORDERING INFORMATION
PART NO.
PACKING CODE
A0
R0
B0
G
PACKING CODE
SUFFIX
BY25x
(Note 1)
(*)
PACKAGE
DO-201AD
DO-201AD
DO-201AD
PACKING
500 / Ammo box
1,250 / 13" Paper reel
500 / Bulk packing
Note 1: "x" defines voltage from 200V (BY251) to 800V (BY254)
*: Optional available
EXAMPLE
PREFERRED P/N
BY251 A0G
PART NO.
BY251
PACKING CODE
A0
PACKING CODE
SUFFIX
G
DESCRIPTION
Green compound
RATINGS AND CHARACTERISTICS CURVES
(T
A
=25°C unless otherwise noted)
FIG. 2- TYPICAL REVERSE CHARACTERISTICS
10
INSTANTANEOUS REVERSE CURRENT (μA)
AVERAGE FORWARD CURRENT(A)
2
RESISTIVE OR
INDUCTIVE LOAD
0
0
25
50
75
eco
1
mm
e
1
0.1
0.01
0
20
40
3
nd
T
J
=125
o
C
T
J
=25
o
C
60
80
100
120
140
PERCENT OF RATED PEAK REVERSE VOLTAGE (%)
4
FIG.1- MAXMUM FORWARD CURRENT
DERATING CURVE
AMBIENT TEMPERATURE(
°
C)
No
tR
8.3ms Single Half Sine Wave
10
100
125
150
FIG. 3- MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
PEAK FORWARD SURGE CURRENT(A)
180
150
120
90
60
30
0
1
100
NUMBER OF CYCLES AT 60 Hz
FIG. 4 TYPICAL FORWARD CHARACTERISTICS
100
INSTANTANEOUS FORWARD CURRENT (A)
10
1
0.1
Pulse Width=300μs
1% Duty Cycle
0.01
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
FORWARD VOLTAGE (V)
Document Number: DS_D1406026
ed
Version: D15
BY251 - BY254
Taiwan Semiconductor
CREAT BY ART
FIG. 5 TYPICAL JUNCTION CAPACITANCE
100
JUNCTION CAPACITANCE (pF)
10
f=1.0MHz
Vslg=50mVp-p
1
1
10
REVERSE VOLTAGE (V)
100
PACKAGE OUTLINE DIMENSIONS
DO-201AD
DIM.
A
B
C
D
E
Min
5.00
1.20
25.40
8.50
25.40
Max
5.60
1.30
-
-
9.50
mm
e
1.000
Document Number: DS_D1406026
No
MARKING DIAGRAM
P/N =
G=
F=
YWW = Date Code
Factory Code
tR
Specific Device Code
Green Compound
eco
nd
0.048
0.335
0.052
-
-
0.375
1.000
Version: D15
ed
Min
Max
0.197
0.220
Unit (mm)
Unit (inch)
BY251 - BY254
Taiwan Semiconductor
CREAT BY ART
No
Notice
Specifications of the products displayed herein are subject to change without notice. TSC or anyone on its behalf,
assumes no responsibility or liability for any errors or inaccuracies.
Information contained herein is intended to provide a product description only. No license, express or implied, to
any intellectual property rights is granted by this document. Except as provided in TSC's terms and conditions of
sale for such products, TSC assumes no liability whatsoever, and disclaims any express or implied warranty,
relating to sale and/or use of TSC products including liability or warranties relating to fitness for a particular purpose,
merchantability, or infringement of any patent, copyright, or other intellectual property right.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications.
Customers using or selling these products for use in such applications do so at their own risk and agree to fully
indemnify TSC for any damages resulting from such improper use or sale.
Document Number: DS_D1406026
Version: D15
tR
eco
mm
e
nd
ed
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