1SS355 - Weitron

1SS355
Surface Mount Switching Diode
P b Lead(Pb)-Free
SWITCHING DIODE
100m AMPERES
100VOLTS
SOD-323
1
WEITRON
http://www.weitron.com.tw
1SS 355
Maximum Ratings
Rating
Symbol
Value
Unit
Reverse Voltage
VR
100
Vdc
Forward Current
IF
100
mAdc
IFM(Surge)
500
mAdc
Symbol
Max
Unit
Total Device Dissipation FR-5
Board TA=25 C
Derate Above 25 C
PD
225
1.8
mW
mW/ C
Thermal Resistance, Junction
to Ambient
R qJA
556
C/W
300
mW
2.4
mW/ C
417
C/W
Peak Forward Surge Current
Thermal Characteristics
Characterictics
Total Device Dissipation Alumina
Substrate,(2)TA=25 C
Derate Above 25 C
Thermal Resistance, Junction to
Ambient
Junction and Storage
Temperature
PD
R qJA
TJ, Tstg
-55 to + 150
C
Electrical Characteristics (TA=25 C Unless Otherwise note)
Characterictics
Symbol
Min
Reverse Breakdown Votalge
(IR=100µAdc)
V(BR)
100
Forward Voltage(IF=100mAdc)
VF
Max
Unit
Off Characteristics
Reverse Voltage
Leakage Current
(VR=80Vdc)
Diode Capacitance
(VR=0.5V, f=1.0MHz)
Revarse Recover Time
(IF=IR=10mAdc)
1. FR-5=1.0x0.75x0.062 in
Vcc
1200
mV dc
IR
0.1
µAdc
CT
3.5
pF
trr
4.0
ns
2.Alumina=0.4x0.3x0.024 in. 99.5% alumina.
Device Marking
Item
1SS 355
WEITRON
http://www.weitron.com.tw
Marking
5D
Eqivalent Circuitdiagram
1
2
1SS 355
820
+10V
2.0K
IF
tp
tr
0.1µF
100 µH
IF
t
trr
10%
0.1µF
D.U.T.
t
90%
50
OUTPUT
PULSE
GENERATOR
50 INPUT
SAMPLING
OSCILLOSCOPE
VR
IR(REC)=1.0mA
IR
INPUT SIGNAL
OUTPUT PULSE
(IF=IR=10mA, MEASURED
AT IR(REC)=1.0mA
Notes:1. A 2.0 k
variable resistor for a Forward Current (IF) 0f 10 mA
2. Input pules is adjusted so IR(peak) is equal to 10 mA
»
3. tp trr
Figure 1. Recovery Time Equivalent Test Circuit
1000
100
IR, REVERSE CURRENT (nA)
IF, FORWARD CURRENT (mA)
120
Scattering Limit
10
1
100
80
60
40
Scattering Limit
20
0.1
0
0
10
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
20
VR, REVERSE VOLTAGE (VOLTS)
VF, FORWARD VOLTAGE (VOLTS)
CD, DIODE CAPACITANCE (pF)
Figure 2. Forward Voltage
Figure 3. Leakage Current
1.2
f=1MHZ
Tj=25 C
1.0
0.8
0.6
0.4
0.2
0
0
2
4
6
8
VR, REVERSE VOLTAGE (VOLTS)
Figure 4. Capacitance
WEITRON
http://www.weitron.com.tw
30
10
50
70
100