BZT03-Series
Vishay Semiconductors
Zener Diodes with Surge Current Specification
Features
• Glass passivated junction
• Hermetically sealed package
• Clamping time in picoseconds
• Compliant to RoHS directive 2002/95/EC
and in accordance to WEEE 2002/96/EC
• Halogen-free according to IEC 61249-2-21
definition
949539
Applications
• Medium power voltage regulators and medium
power transient suppression circuits
Mechanical Data
Case:
SOD-57
Weight:
approx. 369 mg
Packaging codes/options:
TAP / 5 k ammopack (52 mm tape) / 25 k/box
TR / 5 k 10" reel
Absolute Maximum Ratings
T
amb
= 25 °C, unless otherwise specified
Parameter
Power dissipation
Repetitive peak reverse power
dissipation
Non repetitive peak surge power
dissipation
Junction temperature
Storage temperature range
t
p
= 100
μs,
T
j
= 25 °C
Test condition
l = 10 mm, T
L
= 25 °C
T
amb
= 25 °C
Symbol
P
V
P
V
P
ZRM
P
ZSM
T
j
T
stg
Value
3.25
1.3
10
600
175
- 65 to + 175
Unit
W
W
W
W
°C
°C
Thermal Characteristics
T
amb
= 25 °C, unless otherwise specified
Parameter
Junction ambient
Test condition
l = 10 mm, T
L
= constant
On PC board with spacing 25 mm
Symbol
R
thJA
R
thJA
Value
46
100
Unit
K/W
K/W
Electrical Characteristics
T
amb
= 25 °C, unless otherwise specified
Parameter
Forward voltage
Test condition
I
F
= 0.5 A
Symbol
V
F
Min.
Typ.
Max.
1.2
Unit
V
Document Number 85599
Rev. 1.5, 26-Aug-10
For technical questions within your region, please contact one of the following:
DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
www.vishay.com
1
BZT03-Series
Vishay Semiconductors
Typical Characteristics
T
amb
= 25 °C, unless otherwise specified
3.0
50
3
I
F
– Forward Current (A )
2.5
2.0
T
j
=25°C
1.5
1.0
0.5
0
25
50
7
2
94 9086a
0
94 9585
0.5
1.0
1.5
2.0
V
F
– Forward
Voltage
(
V
)
Figure 1. Epoxy Glass Hard Tissue, Board Thickness 1.5 mm,
R
thJA
≤
100 K/W
Figure 3. Forward Current vs. Forward Voltage
P
tot
–Total Power Dissipation (
W
)
4
l=10mm
3
15mm
2
20mm
1
see Fig.1
0
0
40
80
P
ZSM
–
Non-Repetitive
Surge Power
Dissipation (W )
l
l
10000
T
j
=25°C
1000
T
L
=constant
100
120
160
200
94 9586
10
0.01
0.1
1
10
100
94 9584
T
amb
– Ambient T
emperature ( °C )
t
p
– Pulse Length ( ms )
Figure 2. Total Power Dissipation vs. Ambient Temperature
Figure 4. Non Repetitive Surge Power Dissipation vs.
Pulse Length
Package Dimensions
in millimeters (inches):
SOD-57
0.82 (0.032) max.
26 (1.024) min.
4 (0.157) max.
26 (1.024) min.
3.6 (0.142) max.
20543
www.vishay.com
4
For technical questions within your region, please contact one of the following: Document Number 85599
DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
Rev. 1.5, 26-Aug-10
Legal Disclaimer Notice
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 and agree
to fully indemnify and hold Vishay and its distributors harmless from and against any and all claims, liabilities, expenses and
damages arising or resulting in connection with such use or sale, including attorneys fees, even if such claim alleges that Vishay
or its distributor was negligent regarding the design or manufacture of the part. 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.
Document Number: 91000
Revision: 11-Mar-11
www.vishay.com
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