品名：二*管 型号：1SS244 T-77品牌：ROHM  原装*

Switching diode
1SS244
!Applications
High voltage switching
General purpose rectification
!Features
1) Gl* sealed envelope. (MSD)
2) VRM=250V guaranteed.
3) High reliability.
!Construction
Silicon epitaxial planar
!External dimensions (Units : mm)
φ1.8±0.2
φ0.4±0.1
29.0±1.0 2.7±0.3 29.0±1.0
CATHODE BAND (BLACK)
ROHM : MSD
EIAJ : −
JEDEC : DO-34
!Absolute maximum ratings (Ta=25°C)
Symbol Limits Unit
VRM 250 V
VR 220 V
IFM 625 mA
IO 200 mA
Isurge 1000 mA
P 300 mW
175 °C
°C
Tj
Tstg −65~+175
Parameter
Peak reverse voltage
DC reverse voltage
Mean rectifying current
Power dissipation
Junction temperature
Storage temperature
Surge current (1s)
Peak forward current
!Electrical characteristics (Ta=25°C)
Parameter Symbol Min. T*. Max. Unit Conditions
VF − − 1.5 V
IR − − 10 VR=220V
− − 3 pF VR=0V, f=1MHz
trr − − 75 ns
IF=200mA
IF=20mA, IR=20mA, RL=50Ω
μA
*
Forward voltage
Reverse current
Capacitance between terminals
Reverse recovery time

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