VISHAY
BZX84-Series
Vishay Semiconductors
Small Signal Zener Diodes
Features
• These diodes are also available in other case
styles and other configurations including: the
SOD-123 case with type designation BZT52
series, the dual zener diode common anode con-
figuration in the SOT-23 case with type designa-
tion AZ23
series and the dual zener diode common cathode
configuration in the SOT-23 case with type desig-
nation DZ23 series.
3
1
2
18078
• 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.
• Silicon Planar Power Zener Diodes
Mechanical Data
Case:
SOT-23 Plastic Package
Weight:
approx. 8.8 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
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
thJA
T
j
T
S
Value
420
1)
150
- 65 to + 150
Unit
°C/W
°C
°C
Device on fiberglass substrate, see layout.
Document Number 85763
Rev. 1.5, 19-Apr-04
www.vishay.com
1
BZX84-Series
Vishay Semiconductors
Typical Characteristics
(T
amb
= 25
°C
unless otherwise specified)
VISHAY
18114
18117
Fig. 1 Forward characteristics
Fig. 4 Dynamic Resistance vs. Zener Current
18115
18118
Fig. 2 Admissible Power Dissipation vs. Ambient Temperature
Fig. 5 Capacitance vs. Zener Voltage
°
C
18116
18119
Fig. 3 Pulse Thermal Resistance vs. Pulse Duration
Fig. 6 Dynamic Resistance vs. Zener Current
www.vishay.com
4
Document Number 85763
Rev. 1.5, 19-Apr-04
VISHAY
BZX84-Series
Vishay Semiconductors
°C
18120
18135
, =
Fig. 7 Dynamic Resistance vs. Zener Current
Fig. 10 Temperature Dependence of Zener Voltage vs. Zener
Voltage
°C/W
18121
18124
Fig. 8 Thermal Differential Resistance vs. Zener Voltage
Fig. 11 Change of Zener Voltage vs. Junction Temperature
°C
18122
18136
Fig. 9 Dynamic Resistance vs. Zener Voltage
Fig. 12 Temperature Dependence of Zener Voltage vs. Zener
Voltage
Document Number 85763
Rev. 1.5, 19-Apr-04
www.vishay.com
5
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