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LESHAN RADIO COMPANY, LTD.
Switching diode
* Applications High speed switching * Features 1) Extremely small surface mounting type. 2) High Speed.(trr=1.2ns Typ.) 3) High reliability. *Construction Silicon epitaxial planar
2
1SS400
1
EIAJ : SC - 79 JEDEC : SOD - 523
1 CATHODE
2 ANODE
ABSOLUTE MAXIMUM RATINGS (Ta = 25C) Parameter Symbol Peak reverse voltage VRM DC reverse voltage VR Peak forward current I FM Mean rectifying current IO Surge current (1s) I surge Junction temperature Tj Storage temperature Tstg
Limits 90 80 225 100 500 125 - 55 ~ +125
Unit V V mA mA mA C C
ELECTRICAL CHARACTERISTICS (Ta = 25C) Parameter Symbol Min. Forward voltage VF - Reverse current IR - Capacitance between terminals CT - Reverse recovery time trr -
Typ. - - 0.72 -
Max. 1.2 0.1 3.0 4
Unit V A pF ns
Conditions I F=100mA VR=80V VR=0.5V , f=1MHz VR=6V , IF=10mA , RL=100
1SS400-1/2
LESHAN RADIO COMPANY, LTD.
1SS400
ELECTRICAL CHARACTERISTIC CURVES (Ta = 25C)
1 1m
FORWARD CURRENT : IF (A)
0.1m 100m
REVERSE CURRENT : IR (A)
10
10m
1
1m
100n
100
10n
10 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4
1n 0 20 40 60 80 100 120
FORWARD VOLTAGE : VF (V)
REVERSE VOLTAGE : VR (V)
Fig.1 Forward characteristics
CAPACITANCE BETWEEN TERMINALS : CT (pF)
10 3
Fig.2 Reverse characteristics
REVERSE RECOVERY TIME : trr (ns)
5
2
2
1
0.5
1
0.2
0.1 0 2 4 6 8 10 12 14
0 0 10 20 30
REVERSE VOLTAGE : VR (V)
FORWARD CURRENT : I F (mA)
Fig.3 Capacitance between terminals
100
Fig.4 Reverse recovery time characteristics
50
SURGE CURRENT : Isurge (A)
0.01F
20
D.U.T.
10
PULSE GENERATOR OUTPUT 50
5k 50
SAMPLING OSCILLOSCOPE
5
2
1 0.1 1 10 100 1000 10,000
Fig.6 Reverse recovery time (trr) measurement circuit
PULSE WIDTH : TW (ms)
Fig.5 Surge current characteristics
1SS400-2/2

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