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UMZ68EN Datasheet, PDF (1/2 Pages) Rohm – Zener diode
Diodes
Zener diode
UMZ6.8EN
UMZ6.8EN
!Applications
Constant voltage control
For the ESD measure of a signal line
!Features
1) Small surface mounting type. (UMD5)
2) Composite type with four athode common elements
3) High reliability
!Construction
Silicon epitaxial planar
!External dimensions (Units : mm)
2.0±0.2
1.3±0.1
0.65 0.65
0.9±0.1
0.7
0.1Min.
0~0.1
0.2+−00..505
0.15±0.05
Each lead has same dimensions
ROHM : UMD5
EIAJ : SC-88A
JEDEC : SOT-353
!Absolute maximum ratings (Ta=25°C)
Parameter
Symbol
Limits
Unit
Power dissipation∗
P
200
mW
Junction temperature
Tj
150
°C
Storage temperature
Tstg
−55~+150
°C
∗ Total of 4 elements
!Equivalent circuit
!Electrical characteristics (Ta=25°C)
Parameter
Symbol Min. Typ. Max. Unit
Conditions
Zener voltage
VZ
6.47
−
7.14
V
IZ=5mA
Reverse current
IR
−
−
0.5
µA VR=3.5V
Operating resistance
ZZ
Capacitance between terminals
CT
−
−
40
Ω
IZ=5mA
−
9
−
pF f=1MHz, VR=5V
!Others
Parameter
Device configuration
Judgment contents
IEC61000-4-2
Charge / discharge capacitance : 150pF
Discharge resistance
: 330Ω
10 repetitions
No malfunction
Contact
: ±8kV
Suspended
: ±15kV