BZT52-Series
Vishay Semiconductors
Small Signal Zener Diodes
Features
• Silicon Planar Power Zener Diodes
• These diodes are also available in other
e3
case styles and other configurations
including: the SOT-23 case with type des-
ignation BZX84 series, the dual zener diode com-
mon anode configuration in the SOT-23 case with
type designation AZ23 series and the dual zener
diode common cathode configuration in the SOT-
23 case with type designation DZ23 series.
• The Zener voltages are graded according to the
international E 24 standard.
17431
Mechanical Data
Case:
SOD-123 Plastic case
Weight:
approx. 9.3 mg
Packaging Codes/Options:
GS18 / 10 k per 13 " reel (8 mm tape), 10 k/box
GS08 / 3 k per 7 " reel (8 mm tape), 15 k/box
Absolute Maximum Ratings
T
amb
= 25 °C, unless otherwise specified
Parameter
Zener current see table "
Characteristics "
Power dissipation
Power dissipation
1)
2)
Test condition
Symbol
Value
Unit
P
tot
P
tot
500
2)
410
1)
mW
mW
Diode on ceramic substrate 0.7 mm; 2.5 mm
2
pad areas
Diode on ceramic substrate 0.7 mm; 5 mm
2
pad areas
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
thJA
T
J
T
S
Value
300
1)
150
- 65 to + 150
Unit
°C/W
°C
°C
Valid provided that electrodes are kept at ambient temperature
Document Number 85760
Rev. 1.5, 10-Mar-05
www.vishay.com
1
BZT52-Series
Vishay Semiconductors
Typical Characteristics (Tamb = 25
°C
unless otherwise specified)
18114
18117
Figure 1. Forward characteristics
Figure 4. Dynamic Resistance vs. Zener Current
18888
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
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4
Document Number 85760
Rev. 1.5, 10-Mar-05
BZT52-Series
Vishay Semiconductors
°C
18120
18135
, =
Figure 7. Dynamic Resistance vs. Zener Current
Figure 10. Temperature Dependence of Zener Voltage vs. Zener
Voltage
°C/W
18121
18124
Figure 8. Thermal Differential Resistance vs. Zener Voltage
Figure 11. Change of Zener Voltage vs. Junction Temperature
°C
18122
18136
Figure 9. Dynamic Resistance vs. Zener Voltage
Figure 12. Temperature Dependence of Zener Voltage vs. Zener
Voltage
Document Number 85760
Rev. 1.5, 10-Mar-05
www.vishay.com
5
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