Document
1SS355
FAST SWITCHING DIODES
1.35(0.053) 1.15(0.045)
SOD-323
1.26(.050) 1.24(.048)
2.75(0.108) 2.30(0.091)
1.80(0.071) 1.60(0.063)
2.75(0.108) 2.30(0.091)
1.80(0.071) 1.60(0.063)
FEATURES
Small surface mounting type.(UMD2) High speed.(tn=1.2ns typ.) High reliability with high surge current handing capability.
.177(.007) .089(.003)
0.4(0.016) .25(0.010)
1.00(.040) 0.80(.031)
0.1(0.004) MIN
.08(.003) MIN
Dimensions in millimeters and (inches)
.305(0.012) .295(0.010)
.72(0.028) .69(0.027)
MECHANICAL DATA
Case: Molded plastic body Terminals: Plated leads solderable per MIL-STD-750, Method 2026 Polarity: Polarity symbols marked on case Marking: A
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Maximum ratings and electrical characteristics, Single diode @TA=25C
PARAMETER DC blocking voltage
SYMBOLS
VR
Peak forward current Average rectified output current Surge current (1s) Junction temperature Storage temperature Non-repetitive peak reverse voltage
IFM Io ISurge Tj TSTG VRM
LIMITS 80 225 100 500 125
-55 to +125 90
UNITS V mA mA mA C C V
Electrical ratings @TA=25C
PARAMETER Forward voltage Reverse current Capacitance between terminals Reverse recovery time
SYMBOLS
VF IR CT trr
Min.
Typ.
Max. 1.2 0.1 3 4
Unit
V uA pF ns
Conditions IF=100mA VR=80V VR=0.5,f=1.0MHz IF=10mA,VR=6V,RL=100
FORWARD CURRENT:IF(mA)
CAPACITANCE BETWEEN TERMINALS:CT(pF)
RATINGS AND CHARACTERISTIC CURVES 1SS355
FIG. 1- FORWARD CHARACTERISTICS
1
100m
Ta=125 C
10m
Ta=75 C
1m Ta=25 C
100u
Ta=-25 C
10u 0
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
FORWARD VOLTAGE:TF(V)
FIG. 3- CAPACITANCE BETWWEN TERMINALS CHARACTERISTICS
10
5
2 1
0.5
REVERSE CURRENT:IR(A)
FIG. 2-REVERSE CHARACTERISTICS
1m
0.1m 10*
1*
Ta=125 C Ta=75 C
100n 10n 1n 0
3
Ta=25 C
20 40 60 80
REVERSE VOLTAGE:VR (V)
100
FIG. 4- REVERSE RECOVERY TIME CHARACTERISTICS
120
VR=6V Irr=1/10 IR
2
1
REVERSE RECOVERY TIME:trr(ns)
0.2
0.1 0 2 4 6 8 10 12 14 16
REVERSE VOLTAGE:VR(V)
FIG. 5- SURGE CURRENT CHARACTERISTICS
100 PULSE
50 single pulse
0 0 10 20
30
FORWARD CURRENT : IF(mA)
SURGE CURRENT :Isurge(A)
20 10
5
2
1 0.1
1
10 100 1000 10000
PULSE WIDTH:TW(ms)
The cruve graph is for reference only, can't be the basis for judgment()!
.