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LITE-ON SEMICONDUCTOR
SMC SERIES
STAND-OFF VOLTAGE - 6.8 to 200 Volts POWER DISSIPATION - 1500 WATTS
SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS
FEATURES
Rating to 200V VBR For surface mounted applications Reliable low cost construction utilizing molded plastic technique Plastic material has UL flammability classification 94V-O Typical IR less than 1uA above 10V Fast response time: typically less than 1.0ps for Uni-direction,less than 5.0ns for Bi-direction,form 0 Volts to BV min
SMC
SMC A DIM. A B C B C D E F MIN. 6.60 5.59 2.92 0.15 7.75 0.05 2.01 0.76 MAX. 7.11 6.22 3.18 0.31 8.13 0.20 2.62 1.52
MECHANICAL DATA
Case : Molded plastic Polarity : by cathode band denotes uni-directional device none cathode band denotes bi-directional device Weight : 0.007 ounces, 0.21 gram
G H E F D
G H
All Dimensions in millimeter
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MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25℃ ambient temperature unless otherwise specified. Single phase, half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%
CHARACTERISTICS PEAK POWER DISSIPATION AT TA = 25 C, TP = 1ms (Note 1,2) Peak Forward Surge Current 8.3ms single half sine-wave super imposed on rated load (Note 3) (JEDEC METHOD)
SYMBOLS
VALUE
UNIT
PPK
Minimum 1500
WATTS
IFSM
200
AMPS.
Steady State Power Dissipation at T L =75 C
PM(AV)
5.0
WATTS
Maximum Instantaneous forward voltage at 100A for unidirectional devices only (Note 3)
VF
SEE NOTE 4
Volts
Operating Temperature Range
TJ
-55 to +150
C
Storage Temperature Range
TSTG
-55 to +175
C
NOTES : 1. Non-repetitive current pulse, per fig. 3 and derated above TA= 25 C per fig.1. REV. 2, 01-Dec-2000, KSIC01 2. Thermal Resistance junction to Lead 3. 8.3ms single half-sine wave duty cycle= 4 pulses maximum per minute (unidirectional units only). 4. VF= 3.5V on SMC6.8 thru SMC90A devices and VF= 5.0V on SMC100 thru SMC200A devices.
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RATING AND CHARACTERISTIC CURVES SMC SERIES
PEAK PULSE DERATING IN % OF PEAK POWER OR CURRENT
100
PEAK FORWARD SURGE CURRENT, AMPERES
FIG.1 - PULSE DERATING CURVE
FIG.2 - MAXIMUM NON-REPETITIVE SURGE CURRENT
200 100
75
50
25
10 X 1000 WAVEFORM AS DEFINED BY R.E.A.
Pulse Width 8.3ms Single Half-Sine-Wave (JEDEC METHOD)
0 0 25 50 75 100 125 150 175 200
10 1 2 5 10
20
50
100
AMBIENT TEMPERATURE, ℃
NUMBER OF CYCLES AT 60Hz
FIG.3 - PULSE WAVEFORM
10000
FIG.4 - TYPICAL JUNCTION CAPACITANCE
TR=10us
IP, PEAK PULSE CURRENT , (% )
100
Peak value (IRSM) Half value= IRSM
2
CAPACITANCE , (pF)
Uni-directional
1000
Bi-directional
Pulse width (TP) is defined as that point where the peak current decays to 50% of IRSM
50
TP
10 x 1000 waveform as defined by R.E.A.
TJ = 25 C
100
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TJ=25 C
0 0 1.0 2.0 3.0 4.0 10 1 10 100 1000
T , TIME ( ms )
STAND-OFF VOLTAGE, VOLTS
FIG.5 - PULSE RATING CURVE
100
TA=150 C
PM(AV) STEADY STAT.