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PTZ Series
Diodes
Zener diode
PTZ Series
!Applications 1) Voltage regulation and voltage limiting. 2) Voltage surge absorption. !External dimensions (Units : mm)
1.5±0.2 CATHODE MARK
4.5±0.2
1.2±0.3
!Features 1) Small surface mounting type. (PMDS) 2) 1W of power can be obtained despite compact size. 3) High surge withstand level.
0.1
+0.02 −0.1
0∼0.1
2.0±0.2 2.6±0.2
!Construction Silicon epitaxial planar
ROHM : PMDS EIAJ : − JEDEC : SOD-106
Model name (voltage rank) Date of manufacture Ex. 1999.12→9.C
!Absolute maximum ratings (Ta=25°C)
Parameter
Power dissipation ∗ Junction temperature Storage temperature
Symbol P Tj Tstg
Limits 1 150 −55~+150
Unit W °C °C
∗ Mounting density of other power components should be taken into consideration when laying out the pattern.
PTZ33B Datasheet
