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SMBJ48CA Datasheet

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS

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SEMICONDUCTOR
SMBJ SERIES
SURFACE MOUNT
UNIDIRECTIONAL AND BIDIRECTIONAL
TRANSIENT VOLTAGE SUPPRESSORS
STAND-OFF VOLTAGE - 5.0 to 170 Volts
POWER DISSIPATION - 600 WATTS
FEATURES
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 1.0ns for
Uni-direction,less than 5.0ns for Bi-direction,form 0 Volts
to BV min
MECHANICAL DATA
Case : Molded plastic
Polarity : by cathode band denotes uni-directional device
none cathode band denotes bi-directional device
Weight : 0.003 ounces, 0.093 gram
SMB
SMB
A DIM. MIN. MAX.
A 4.06 4.57
B 3.30 3.94
B C C 1.96 2.21
D 0.15 0.31
E 5.21 5.59
G
H FD
E
F 0.05 0.20
G 2.01 2.50
H 0.76 1.52
All Dimensions in millimeter
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25ambient 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,
TP = 1ms (Note 1)
SYMBOLS
PPK
VALUE
600
UNIT
WATTS
Peak Forward Surge Current 8.3ms single
half sine-wave@Tj=25(Note 2)
IFSM
100 AMPS.
Steady State Power Dissipation at TL =120lead
lenghts 0.375" (9.5mm) , see fig.4
Without Heatshink
Maximum Instantaneous forward voltage
at 50A for unidirectional devices only (Note 3)
Typical Thermal Resistance (Note 4)
Operating Temperature Range
PM(AV)
VF
R0JA
R0JL
R0JC
TJ
1.5
SEE NOTE 3
90
21
25
-55 to +175
WATTS
Volts
C/W
C
Storage Temperature Range
TSTG
-55 to +175
C
NOTES : 1. Non-repetitive current pulse, per fig. 3 and derated above TJ= 25 per fig.1.
REV. 6, May-2009, KSIB02
2. 8.3ms single half-sine wave duty cycle= 4 pulses maximum per minute (unidirectional units only).
3. VF= 3.5V on SMBJ5.0 thru SMBJ90A devices and VF= 5.0V on SMBJ100 thru SMBJ170A devices.
4. Thermal resistance from junction to ambient, lead and case.




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SMBJ48CA Datasheet Preview

SMBJ48CA Datasheet

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS

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RATING AND CHARACTERISTIC CURVES
SMBJ SERIES
FIG.1 - PULSE DERATING CURVE
100
75
50
25
10 X 1000 WAVEFORM
AS DEFINED BY R.E.A.
0
0 25 50 75 100 125 150 175 200
JUNCTION TEMPERATURE,
FIG.2 - MAXIMUM NON-REPETITIVE SURGE CURRENT
120
100
80
60
40
20
Pulse Width 8.3ms
Single Half-Sine-Wave
0
12
5 10
20
50
NUMBER OF CYCLES AT 60Hz
100
FIG.3 - PULSE WAVEFORM
TR=10us
Peak value (IRSM)
100
Half value=
IRSM
2
50
TJ=25 C
Pulse width (TP) is defined
as that point where the
peak current decays to
50% of IRSM
10 x 1000 waveform as
defined by R.E.A.
TP
0
0 1.0 2.0 3.0 4.0
T , TIME ( ms )
10000
1000
FIG.4 - TYPICAL JUNCTION CAPACITANCE
Uni-directional
Bi-directional
100 TJ = 25 C
10
1 10 100 1000
STAND-OFF VOLTAGE, VOLTS
FIG.5 - PULSE RATING CURVE
100
TA=25 C
NON-REPETITIVE
PULSE WAVEFORM
10 SHOWN IN FIG 3.
FIG.6 - STEADY STATE POWER DERATING CURVE
2.5
2.0
1.5
1.0
5.0mm LEAD AREAS
0.1
0.1us
1.0us
10us
100us
TP, PULSE WIDTH
1.0ms
10ms
1.0
0.5
0.0
0
DC Current
25 50
75 100 125 150
TL,LEAD TEMPERATURE,
175 200


Part Number SMBJ48CA
Description SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS
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