VISHAY
DZ23 Series
Vishay Semiconductors
Dual Common-Cathode Zener Diodes
Features
• This diode is also available in other case styles
and configurations including: the dual diode com-
mon cathode configuration with type designation
AZ23, the single diode SOT-23 case with the type
designation BZX84C, and the single diode
SOD-123 case with the type designation BZT52C.
• Dual Silicon Planar Zener Diodes, Common
Cathode
• The Zener voltages are graded according to the
international E 24 standard. Standard Zener volt-
age tolerance is ± 5 %. Replace "C" with "B" for
2 % tolerance. Other voltage tolerances and other
Zener voltages are available upon request.
• The parameters are valid for both diodes in one
case.
∆V
Z
and
∆r
zj
of the two diodes in one case is
≤
5%
3
1
2
18110
Mechanical Data
Case:
SOT-23 Plastic Package
Weight:
Approx. 8 mg
Packaging Codes/Options:
E8 / 10k per 13 " reel (8 mm tape), 30k/box
E9 / 3k per 7 " reel (8 mm tape), 30k/box
Absolute Maximum Ratings
T
amb
= 25 °C, unless otherwise specified
Parameter
Power dissipation
1)
Test condition
Symbol
P
tot
Value
300
1)
Unit
mW
Device on fiberglass substrate, see layout
Thermal Characteristics
T
amb
= 25 °C, unless otherwise specified
Parameter
Thermal resistance junction to ambient air
Junction temperature
Storage temperature range
1)
Test condition
Symbol
R
θJA
T
j
T
S
Value
420
1)
150
- 65 to + 150
Unit
°C/W
°C
°C
Device on fiberglass substrate, see layout
Document Number 85765
Rev. 1.3, 06-Oct-03
www.vishay.com
1
DZ23 Series
Vishay Semiconductors
Typical Characteristics
(T
amb
= 25
°C
unless otherwise specified)
VISHAY
18114
18117
Figure 1. Forward characteristics
Figure 4. Dynamic Resistance vs. Zener Current
18115
18118
Figure 2. Admissible Power Dissipation vs. Ambient Temperature
Figure 5. Capacitance vs. Zener Voltage
°
C
18116
18119
Figure 3. Pulse Thermal Resistance vs. Pulse Duration
Figure 6. Dynamic Resistance vs. Zener Current
www.vishay.com
4
Document Number 85765
Rev. 1.3, 06-Oct-03
VISHAY
DZ23 Series
Vishay Semiconductors
°C
18120
18123
Figure 7. Dynamic Resistance vs. Zener Current
Figure 10. Temperature dependence of Zener voltage versus
Zener voltage
°C/W
18121
18124
Figure 8. Thermal differential resistance versus Zener voltage
Figure 11. Change of Zener voltage versus junction temperature
°C
18122
18125
Figure 9. Dynamic resistance versus Zener voltage
Figure 12. Temperature dependence of Zener voltage versus
Zener voltage
Document Number 85765
Rev. 1.3, 06-Oct-03
www.vishay.com
5
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