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Dated : 12/01/2007
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
®
BZT55 Series
SILICON EPITAXIAL PLANAR ZENER DIODES
Features
• Very sharp reverse characteristic
• Low reverse current level
• Available with tighter tolerances
• Very high stability
• Low noise
Applications
• Voltage stabilization
Absolute Maximum Ratings (Ta = 25 OC)
Parameter
Symbol
Value
Unit
Power Dissipation
Ptot
500
mW
Z-Current
IZ
Ptot / VZ
mA
Junction Temperature
Tj
175
O
C
Storage Temperature Range
TS
- 65 to + 175
O
C
Characteristics at Ta = 25 OC
Parameter
Symbol
Max.
Unit
Thermal Resistance Junction to Ambient Air
On PC board 50 mm X 50 mm X 1.6 mm
RthJA
500
K/W
Forward Voltage
at IF = 100 mA
VF
1.5
V
LS-34
QuadroMELF
Dimensions in mm