BZX84C…LT1 Series
ZENER VOLTAGE REGULATORS
225mW SOT-23 Surface Mount
SOT-23
This series of Zener diodes is offered in the convenient,
surface mount plastic SOT-23 package. These
devices are designed to provide voltage regulation
with minimum space requirement. They are well suited
for applications such as cellular phones, hand held
portables, and high density PC boards.
Features
•
225 mW Rating on FR-4 or FR-5 Board
SOT-23 Plastic Package
•
Zener Breakdown Voltage Range –2.4V to 75V
•
Package Designed for Optimal Automated Board
Assembly
•
Small Package Size for High Density Applications
•
ESD Rating of Class 3(>16KV) per Human Body Model
3
1
CATHODE
ANODE
Mechanical Data
•
Case: Void-free, transfer-molded, thermosetting plastic case
•
Finish: Corrosion resistant finish, easily solderable
•
Polarity: Cathode indicated by polarity band
•
Maximum Case Temperature for Soldering Purposes:
260oC for 10 Seconds
Absolute Maximum Ratings (Ta = 25oC)
Symbol
Total Power Dissipation on FR-5 Board,
o
(Note 1.)@TA = 25 C
o
Derated above 25 C
Thermal Resistance-Junction to Ambient
Total Power Dissipation on Alumina Substrate,
o
(Note 2.) @TA=25 C
o
Derated above 25 C
Value
Unit
225
1.8
mW
o
mW/ C
PD
RθJA
556
C/W
PD
300
2.4
Thermal Resistance-Junction to Ambient
RθJA
417
Junction and Storage Temperature Range
Tj ,TS
-65 to +150
1.
2.
o
mW
o
mW/ C
o
C/W
O
C
FR-5 = 1 X 0.75 X 0.62 in.
Alumina = 0.4 X 0.3 X 0.024 in, 99.5% alumina
SEMTECH ELECTRONICS LTD.
(Subsidiary of Semtech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
R
Dated : 22/01/2005
