Vishay General Semiconductor
BYS10-25 thru BYS10-45
Document Number 86013
29-Mar-06
www.vishay.com
1
DO-214AC (SMA)
Surface Mount Schottky Barrier Rectifier
FEATURES
• Low profile package
• Ideal for automated placement
• Guardring for overvoltage protection
• Low power losses, high efficiency
• Very low switching losses
• High surge capability
• Meets MSL level 1, per J-STD-020C
• Solder Dip 260 °C, 40 seconds
• Component in accordance to RoHS 2002/95/EC
and WEEE 2002/96/EC
TYPICAL APPLICATIONS
For use in low voltage high frequency inverters, free-
wheeling, dc-to-dc converters, and polarity protection
applications.
MECHANICAL DATA
Case: DO-214AC (SMA)
Epoxy meets UL 94V-0 flammability rating
Terminals: Matte tin plated leads, solderable per
J-STD-002B and JESD22-B102D
E3 suffix for commercial grade, HE3 suffix for high
reliability grade (AEC Q101 qualified)
Polarity: Color band denotes the cathode end
MAJOR RATINGS AND CHARACTERISTICS
IF(AV) 1.5 A
VRRM 25 V to 45 V
IFSM 40 A
VF0.50 V
Tj max. 150 °C
Note:
(1) Pulse test: 300 µs pulse width, 1 % duty cycle
MAXIMUM RATINGS (TA = 25 °C unless otherwise noted)
PARAMETER SYMBOL BYS10-25 BYS10-35 BYS10-45 UNIT
Device marking code BYS 025 BYS 035 BYS 045
Maximum repetitive peak reverse voltage VRRM 25 35 45 V
Maximum average forward rectified current IF(AV) 1.5 A
Peak forward surge current single half sine-wave
superimposed on rated load
at 8.3 ms
at 10 ms IFSM 40
30 A
Junction and storage temperature range TJ, TSTG - 65 to + 150 °C
ELECTRICAL CHARACTERISTICS (TA = 25 °C unless otherwise noted)
PARAMETER TEST CONDITIONS SYMBOL BYS10-25 BYS10-35 BYS10-45 UNIT
Maximum instantaneous forward voltage (1) at 1.0 A VF 500 mV
Maximum DC reverse current (1) at VRRM TJ = 25 °C
TJ = 100 °C IR
500
10
µA
mA
www.vishay.com
2
Document Number 86013
29-Mar-06
Vishay General Semiconductor
BYS10-25 thru BYS10-45
Note:
(1) Mounted on epoxy-glass hard tissue
(2) Mounted on epoxy-glass hard tissue, 50 mm2 35 µm Cu
(3) Mounted on Al-oxide-ceramic (Al2O3), 50 mm2 35 µm Cu
RATINGS AND CHARACTERISTICS CURVES
(TA = 25 °C unless otherwise noted)
THERMAL CHARACTERISTICS (TA = 25 °C unless otherwise noted)
PARAMETER SYMBOL BYS10-25 BYS10-35 BYS10-45 UNIT
Maximum Thermal Resistance - Junction Lead RθJL 25 °C/W
Maximum Thermal Resistance - Junction Ambient RθJA
150 (1)
125 (2)
100 (3)
°C/W
ORDERING INFORMATION
PREFERRED P/N UNIT WEIGHT (g) PREFERRED PACKAGE CODE BASE QUANTITY DELIVERY MODE
BYS10-45-E3/TR 0.064 TR 1800 7" Diameter Plastic Tape & Reel
BYS10-45-E3/TR3 0.064 TR3 7500 13" Diameter Plastic Tape & Reel
Figure 1. Max. Reverse Power Dissipation vs.
Junction Temperature
80400 120 160
0
1
2
3
4
7
200
5
6
BYS10-25
BYS10-35
BYS10-45
R
thJA
= 25 K/W
R
thJA
= 100 K/W
Junction Tem p e r a t ure (°C)
P
R
- Max. Reverse Power Dissipation (W)
Figure 2. Max. Reverse Current vs. Junction Temperature
80400 120 160
0.1
1
10
100
1000
200
VR = VRRM
Junction Temperature (°C)
Reverse Current (mA)
Document Number 86013
29-Mar-06
www.vishay.com
3
BYS10-25 thru BYS10-45
Vishay General Semiconductor
PACKAGE OUTLINE DIMENSIONS in inches (millimeters)
Figure 3. Max. Average Forward Current vs. Ambient Temperature
Figure 4. Max. Average Forward Current vs. Ambient Temperature
0
0
0.4
0.8
1.2
1.6
2.0
40 80 120 160 200
BYS10-25
BYS10-35
BYS10-45
Ambient Temperature (°C)
Average Forward Current (A)
V
R
= V
RRM
, Half Sine-Wave, R
thJA
= 25 K/W
0
0
0.4
0.8
1.2
1.6
2.0
40 80 120 160 200
100 K/W
125 K/W
150 K/W
Ambient Temperature (°C)
Average Forward Current (A)
VR = 0 V, Half Sine-Wave
RthJA = 25 K/W
Figure 5. Max. Forward Current vs. Forward Voltage
Figure 6. Diode Capacitance vs. Reverse Voltage
0 0.4 0.81.2 1.6
0.01
0.1
1
10
100
2.0
TJ = 150 °C
TJ = 25 °C
Forward Voltage (V)
Forward Current (A)
0.01 0.1 110 100
0.1
1
10
100
Heating Time (s)
Transient Thermal Impedance (°C/W)
0.157 (3.99)
0.177 (4.50)
0.006 (0.152)
0.012 (0.305)
0.030 (0.76)
0.060 (1.52) 0.008 (0.203)
0.194 (4.93)
0.208 (5.28)
0.100 (2.54)
0.110 (2.79)
0.078 (1.98)
0.090 (2.29)
0.049 (1.25)
0.065 (1.65)
Cathode Band
0 (0)
DO-214AC (SMA)
0.074 MAX.
(1.88 MAX.)
0.208
(5.28) REF
0.066 MIN.
(1.68 MIN.)
0.060 MIN.
(1.52 MIN.)
Mounting Pad Layout
Legal Disclaimer Notice
Vishay
Document Number: 91000 www.vishay.com
Revision: 08-Apr-05 1
Notice
Specifications of the products displayed herein are subject to change without notice. Vishay Intertechnology, Inc.,
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, by
estoppel or otherwise, to any intellectual property rights is granted by this document. Except as provided in Vishay's
terms and conditions of sale for such products, Vishay assumes no liability whatsoever, and disclaims any express
or implied warranty, relating to sale and/or use of Vishay 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 Vishay for any damages resulting from such improper use or sale.
