BY527
www.vishay.com
Vishay Semiconductors
Standard Avalanche Sinterglass Diode
FEATURES
• Controlled avalanche characteristics
• Glass passivated junction
• Hermetically sealed package
• Low reverse current
• High surge current capability
• Material categorization:
For definitions of compliance please see
www.vishay.com/doc?99912
949539
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
APPLICATIONS
• General purpose
ORDERING INFORMATION
(Example)
DEVICE NAME
BY527
BY527
ORDERING CODE
BY527TR
BY527TAP
TAPED UNITS
5000 per 10" tape and reel
5000 per ammopack
MINIMUM ORDER QUANTITY
25 000
25 000
PARTS TABLE
PART
BY527
TYPE DIFFERENTIATION
V
R
= 800 V; I
F(AV)
= 2 A
PACKAGE
SOD-57
ABSOLUTE MAXIMUM RATINGS
(T
amb
= 25 °C, unless otherwise specified)
PARAMETER
Reverse voltage
Reverse voltage, non repetitive
Peak forward surge current
Repetitive peak forward current
Average forward current
Pulse avalanche peak power
Pulse energy in avalanche mode, non
repetitive (inductive load switch off)
i
2
t rating
Junction and storage temperature range
=
180°
T
j
= 175 °C, t
p
= 20 μs, half sinus wave
l
(BR)R
= 1 A, T
j
= 175 °C
TEST CONDITION
See electrical characteristics
l
R
= 100 μA
t
p
= 10 ms, half sine wave
PART
BY527
BY527
SYMBOL
V
R
V
RSM
I
FSM
l
FRM
I
F(AV)
P
R
E
R
i
2
t
T
j
= T
stg
VALUE
800
1250
50
12
2
1000
20
8
-55 to + 175
UNIT
V
V
A
A
A
W
mJ
A
2
s
°C
MAXIMUM THERMAL RESISTANCE
(T
amb
= 25 °C, unless otherwise specified)
PARAMETER
Junction ambient
TEST CONDITION
Lead length l = 10 mm, T
L
= constant
On PC board with spacing 25 mm
SYMBOL
R
thJA
R
thJA
VALUE
45
100
UNIT
K/W
K/W
Rev. 1.8, 12-Sep-12
Document Number: 86007
1
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
BY527
www.vishay.com
Vishay Semiconductors
ELECTRICAL CHARACTERISTICS
(T
amb
= 25 °C, unless otherwise specified)
PARAMETER
Forward voltage
Reverse current
Breakdown voltage
Diode capacitance
Reverse recovery time
Reverse recovery charge
TEST CONDITION
I
F
= 1 A
I
F
= 10 A
V
R
= 800 V
V
R
= 800 V, T
j
= 100 °C
I
R
= 100 μA, t
p
/T = 0.01, t
p
= 0.3 ms
V
R
= 4 V, f = 1 MHz
I
F
= 0.5 A, I
R
= 1 A, i
R
= 0.25 A
I
F
= 1 A, dI/dt = 5 A/μs, V
R
= 50 V
I
F
= 1 A, dI/dt = 5 A/μs
SYMBOL
V
F
V
F
I
R
I
R
V
(BR)
C
D
t
rr
t
rr
Q
rr
MIN.
-
-
-
-
1250
-
-
-
-
TYP.
0.9
-
0.1
5
-
16
-
-
-
MAX.
1
1.65
1
10
-
-
4
4
3
UNIT
V
V
μA
μA
V
pF
μs
μs
μC
TYPICAL CHARACTERISTICS
(T
amb
= 25
C,
unless otherwise specified)
R
thJA
- Ther. Resist. Junction/Ambient (K/W)
120
2.5
I
FAV
- Average Forward Current (A)
l
100
80
l
V
R
= V
RRM
2.0
half
sine
wave
R
thJA
= 45 K/W
l = 10 mm
1.5
T
L
= constant
60
40
20
0
0
949101
1.0
R
thJA
= 100 K/W
PCB: d = 25 mm
0
0.5
5
10
15
20
25
30
16423
0
20
40
60
80
100 120 140 160 180
l - Lead Length (mm)
T
amb
- Ambient Temperature (°C)
Fig. 1 - Typ. Thermal Resistance vs. Lead Length
Fig. 3 - Max. Average Forward Current vs. Ambient Temperature
100
1000
V
R
= V
RRM
I
F
- Forward Current (A)
10
T
j
= 175 °C
I
R
- Reverse Current (μA)
2
2.5
3
100
1
0.1
T
j
= 25 °C
0.01
10
0.001
0
16422
1
0.5
1
1.5
25
16424
50
75
100
125
150
175
V
F
- Forward Voltage (V)
T
j
- Junction Temperature (°C)
Fig. 2 - Forward Current vs. Forward Voltage
Fig. 4 - Reverse Current vs. Junction Temperature
Rev. 1.8, 12-Sep-12
Document Number: 86007
2
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
BY527
www.vishay.com
Vishay Semiconductors
P
R
- Reverse Power Dissipation (mW)
300
V
R
= V
RRM
250
200
P
R
- Limit at 100 % V
R
150
100
P
R
- Limit at 80 % V
R
50
0
25
50
75
100
125
150
175
40
C
D
- Diode Capacitance (pF)
35
30
25
20
15
10
5
0
0.1
1
10
f = 1 MHz
100
16425
T
j
- Junction Temperature (°C)
16426
V
R
- Reverse Voltage (V)
Fig. 5 - Max. Reverse Power Dissipation vs. Junction Temperature
Fig. 6 - Diode Capacitance vs. Reverse Voltage
1000
V
RRM
= 1000 V, R
thJA
= 100 K/W
Z
thp
- Thermal Resistance
for Pulse Cond. (K/W)
100
t
p
/T = 0.5
t
p
/T = 0.2
10
t
p
/T = 0.1
t
p
/T = 0.05
t
p
/T = 0.02
1
t
p
/T = 0.01
10
-4
10
-3
10
-2
10
-1
10
0
10
1
T
amb
= 60 °C
T
amb
= 70 °C
T
amb
= 100 °C
1
10
100
T
amb
= 25 °C
T
amb
= 45 °C
10
-5
94 9178
t
p
- Pulse Length (s)
I
FRM
- Repetitive Peak
Forward Current (A)
Fig. 7 - Thermal Response
PACKAGE DIMENSIONS
in millimeters (inches):
SOD-57
0.82 (0.032) max.
26 (1.024) min.
4 (0.157) max.
26 (1.024) min.
Rev. 1.8, 12-Sep-12
Document Number: 86007
3
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
3.6 (0.142) max.
20543
Legal Disclaimer Notice
www.vishay.com
Vishay
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
Revision: 08-Feb-17
1
Document Number: 91000
京公网安备 11010802033920号
EEWORLD
