VISHAY
BZY97 Series
Vishay Semiconductors
Zener Diodes
Features
• Silicon Planar Power Zener Diodes.
• For use in stablilizing and clipping circuits with
high power rating.
• The Zener voltages are graded according to the
international E 24 standard. Smaller voltage toler-
ances are available upon request.
18653
Mechanical Data
Case:
DO-41 PLASTIC (DO-204AM)
molded plastic body
Weight:
approx. 340 mg
Packaging Codes/Options:
TR/ 5 k per 13 " reel (52 mm tape), 25 k/box
Absolute Maximum Ratings
T
amb
= 25 °C, unless otherwise specified
Parameter
Zener current (see table "Characteristics"
Power dissipation
1)
Test condition
T
amb
= 60 °C
Symbol
P
tot
Value
1.5
1)
Unit
W
Valid provided that leads at a distance of 3/8 " from case are kept at ambient temperature.
Thermal Characteristics
T
amb
= 25 °C, unless otherwise specified
Parameter
Thermal resistance junction to ambient air
Junction temperature
Storage temperature
1)
Test condition
Symbol
R
θJA
T
j
T
S
Value
60
1)
150
- 55 to + 150
Unit
°C/W
°C
°C
Valid provided that leads at a distance of 3/8 " from case are kept at ambient temperature.
Document Number 85780
Rev. 1.2, 05-Feb-04
www.vishay.com
1
VISHAY
Typical Characteristics
(T
amb
= 25
°C
unless otherwise specified)
BZY97 Series
Vishay Semiconductors
18681
18685
Figure 1. Admissible Power Dissipation vs. Ambient Temperature
Figure 4. Dynamic Resistance vs. Zener Current
°
C
18682
18683
Figure 2. Pulse Thermal Resistance vs. Pulse Duration
Figure 5. Dynamic Resistance vs. Zener Current
18684
Figure 3. Dynamic Resistance vs. Zener Current
Document Number 85780
Rev. 1.2, 05-Feb-04
www.vishay.com
3