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Dated : 09/11/2007
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
®
MM1Z5221B~MM1Z5267B
SILICON PLANAR ZENER DIODES
Features
• Total power dissipation: Max. 500 mW
• Small plastic package suitable for
surface mounted design
• Tolerance approximately ± 5%
Absolute Maximum Ratings (Ta = 25 OC)
Parameter
Symbol
Value
Unit
Power Dissipation
Ptot
500
mW
Junction Temperature
Tj
150
O
C
Storage Temperature Range
TS
- 55 to + 150
O
C
Characteristics at Ta = 25 OC
Parameter
Symbol
Max.
Unit
Thermal Resistance Junction to Ambient Air
RθJA
350
O
C/W
Forward Voltage
at IF = 10 mA
VF
0.9
V
Anode
2
Top View
Simplified outline SOD-123 and symbol
1
2
PINNING
1
PIN
Cathode
DESCRIPTION