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UMZ12N
Diodes
Zener diode
UMZ12N
zApplications Constant voltage control Noise suppression on single line zExternal dimensions (Units : mm)
2.0±0.2 1.3±0.1 0.65 0.65 0.3 0.9±0.1 0.6
zConstruction Silicon epitaxial planar
ROHM : UMD3 EIAJ : SC - 70 JEDEC : SOT - 323
zCircuit
zAbsolute maximum ratings (Ta=25°C)
Parameter Power dissipation∗ Junction temperature Storage temperature
∗ Total of 2 elements
Symbol P Tj Tstg
Limits 200 150 −55∼+150
Unit mW ˚C ˚C
zElectrical characteristics (Ta=25°C)
Parameter Zener voltage Reverse current Operating resistance Rising operating resistance Symbol VZ IR ZZ ZZK Min. 11.0 − − − Max. 13.0 0.10 30 80 Unit V µA Ω Ω IZ=5mA VR=9V IZ=5mA IZ=0.5mA Conditions
6V
zFeatures 1) Small surface mounting type.