BYW32, BYW33, BYW34, BYW35, BYW36
www.vishay.com Vishay Semiconductors
Rev. 1.8, 11-Sep-12 1Document Number: 86048
For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Fast Avalanche Sinterglass Diode
MECHANICAL DATA
Case: SOD-57
Terminals: plated axial leads, solderable per MIL-STD-750,
method 2026
Polarity: color band denotes cathode end
Mounting position: any
Weight: approx. 369 mg
FEATURES
• Glass passivated junction
• Hermetically sealed package
• Low reverse current
• Soft recovery characteristics
• Material categorization:
For definitions of compliance please see
www.vishay.com/doc?99912
APPLICATIONS
• Fast rectification an switching diode for example for
TV-line output circuits and switch mode power supply
949539
ORDERING INFORMATION (Example)
DEVICE NAME ORDERING CODE TAPED UNITS MINIMUM ORDER QUANTITY
BYW36 BYW36-TR 5000 per 10" tape and reel 25 000
BYW36 BYW36-TAP 5000 per ammopack 25 000
PARTS TABLE
PART TYPE DIFFERENTIATION PACKAGE
BYW32 VR = 200 V; IF(AV) = 2 A SOD-57
BYW33 VR = 300 V; IF(AV) = 2 A SOD-57
BYW34 VR = 400 V; IF(AV) = 2 A SOD-57
BYW35 VR = 500 V; IF(AV) = 2 A SOD-57
BYW36 VR = 600 V; IF(AV) = 2 A SOD-57
ABSOLUTE MAXIMUM RATINGS (Tamb = 25 °C, unless otherwise specified)
PARAMETER TEST CONDITION PART SYMBOL VALUE UNIT
Reverse voltage = repetitive peak
reverse voltage See electrical characteristics
BYW32 VR = VRRM 200 V
BYW33 VR = VRRM 300 V
BYW34 VR = VRRM 400 V
BYW35 VR = VRRM 500 V
BYW36 VR = VRRM 600 V
Peak forward surge current tp = 10 ms, half sine wave IFSM 50 A
Repetitive peak forward current IFRM 12 A
Average forward current = 180° IF(AV) 2A
Non repetitive reverse avalanche
energy I(BR)R = 0.4 A ER10 mJ
Junction and storage temperature
range Tj = Tstg - 55 to + 175 °C
BYW32, BYW33, BYW34, BYW35, BYW36
www.vishay.com Vishay Semiconductors
Rev. 1.8, 11-Sep-12 2Document Number: 86048
For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
TYPICAL CHARACTERISTICS (Tamb = 25 C, unless otherwise specified)
Fig. 1 - Max. Thermal Resistance vs. Lead Length
Fig. 2 - Forward Current vs. Forward Voltage
Fig. 3 - Max. Average Forward Current vs. Ambient Temperature
Fig. 4 - Reverse Current vs. Junction Temperature (°C)
MAXIMUM THERMAL RESISTANCE (Tamb = 25 °C, unless otherwise specified)
PARAMETER TEST CONDITION SYMBOL VALUE UNIT
Junction ambient Lead length l = 10 mm, TL = constant RthJA 45 K/W
On PC board with spacing 25 mm RthJA 100 K/W
ELECTRICAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
PARAMETER TEST CONDITION PART SYMBOL MIN. TYP. MAX. UNIT
Forward voltage IF = 1 A VF- 0.95 1.1 V
Reverse current VR = VRRM IR-15μA
VR = VRRM, Tj = 150 °C IR- 60 150 μA
Reverse recovery time IF = 0.5 A, IR = 1 A, iR = 0.25 A trr - - 200 ns
0
20
40
80
60
100
120
151050 202530
RthJA - Ther. Resist. Junction/Ambient (K/W)
l - Lead Length (mm)
949552
ll
T
L
= constant
IF - Forward Current (A)
0.001
0.01
0.1
1
10
100
0 0.5 1.0 1.5 2.0 3.02.5
VF - Forward Voltage (V)
16345
Tj = 25 °C
Tj = 175 °C
16346
I
FAV
- Average Forward Current (A)
0 20 40 60 80 100 120 140 160 180
Tamb - Ambient Temperature (°C)
2.5
2.0
1.5
1.0
0.5
0
V
R
= V
RRM
half sinewave
R
thJA
= 100 K/W
PCB: d = 25 mm
R
thJA
= 45 K/W
I = 10 mm
1
10
100
1000
25 50 75 100 125 150 175
Tj - Junction Temperature (°C)
16347
IR - Reverse Current (A)
VR = VRRM
BYW32, BYW33, BYW34, BYW35, BYW36
www.vishay.com Vishay Semiconductors
Rev. 1.8, 11-Sep-12 3Document Number: 86048
For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Fig. 5 - Max. Reverse Power Dissipation vs. Junction Temperature Fig. 6 - Diode Capacitance vs. Reverse Voltage
Fig. 7 - Thermal Response
PACKAGE DIMENSIONS in millimeters (inches): SOD-57
0
50
250
100
150
200
300
25 50 75 100 125 150 175
T
j
- Junction Temperature (°C)
16348
P
R
- Reverse Power Dissipation (mW)
P
R
-Limit
at 100 % V
R
P
R
-Limit
at 80 % V
R
V
R
= V
RRM
0
5
10
15
20
30
25
35
40
0.1 1 10 100
VR - Reverse Voltage (V)
16349
CD - Diode Capacitance (pF)
f = 1 MHz
1
10
100
1000
10
-5
10
1
10
0
10
1
10
0
10
-1
10
-2
10
-3
10
-4
tp - Pulse Length (s)I
FRM - Repetitive Peak
Forward Current (A)
949561
Zthp - Thermal Resist. for Pulse Cond. (K/W)
Single pulse
V
RRM
= 600 V
R
thJA
= 100 K/W
T
amb
= 25 °C
45 °C
50 °C
70 °C
100 °C
t
p
/T = 0.5
0.2
0.02
0.01
0.1
20543
3.6 (0.142) max.
26 (1.024) min. 4 (0.157) max. 26 (1.024) min.
0.82 (0.032) max.
Legal Disclaimer Notice
www.vishay.com Vishay
Revision: 08-Feb-17 1Document Number: 91000
Disclaimer
ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE
RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively,
“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
disclosure relating to any product.
Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or
the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all
liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special,
consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular
purpose, non-infringement and merchantability.
Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of
typical requirements that are often placed on Vishay products in generic applications. Such statements are not binding
statements about the suitability of products for a particular application. It is the customer’s responsibility to validate that a
particular product with the properties described in the product specification is suitable for use in a particular application.
Parameters provided in datasheets and / or specifications may vary in different applications and performance may vary over
time. All operating parameters, including typical parameters, must be validated for each customer application by the customer’s
technical experts. Product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase,
including but not limited to the warranty expressed therein.
Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining
applications or for any other application in which the failure of the Vishay product could result in personal injury or death.
Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk.
Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for
such applications.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document
or by any conduct of Vishay. Product names and markings noted herein may be trademarks of their respective owners.
© 2017 VISHAY INTERTECHNOLOGY, INC. ALL RIGHTS RESERVED
