VOLTAGE SUPPRESSOR. SMAJ48 Datasheet

SMAJ48 SUPPRESSOR. Datasheet pdf. Equivalent

Part SMAJ48
Description TRANSIENT VOLTAGE SUPPRESSOR
Feature SURFACE MOUNT GPP GPP TRANSIENT VOLTAGE SUPPRESSOR 400 WATT PEAK POWER 1.0 WATT STEADY STATE TVS SM.
Manufacture Rectron
Datasheet
Download SMAJ48 Datasheet



SMAJ48
SURFACE MOUNT GPP
GPP TRANSIENT VOLTAGE SUPPRESSOR
400 WATT PEAK POWER 1.0 WATT STEADY STATE
TVS
SMA J
SERIES
FEATURES
* Plastic package has underwriters laboratory
* Glass passivated chip construction
* 400 watt surage capability at 1ms
* Excellent clamping capability
* Low zener impedance
* Fast response time
* P/N suffix V means AEC-Q101 qualified
* P/N suffix V means Halogen-free
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 oC ambient temperature unless otherwise specified.
DO-214AC
0.067 (1.70 )
0.051 (1.29 )
0.180 (4.57 )
0.160 (4.06 )
0.110 (2.79 )
0.086 (2.18 )
0.091 (2.31 )
0.067 (1.70 )
0.059 (1.50 )
0.035 (0.89 )
0.012 (0.305 )
0.006 (0.152 )
0.008 (0.203 )
0.004 (0.102 )
0.209 (5.31 )
0.185 (4.70 )
Dimensions in inches and (millimeters)
DEVICES FOR BIPOLAR APPLICATIONS
For Bidirectional use C or CA suffix for types SMAJ5.0 thru SMAJ440
Electrical characteristics apply in both direction
MAXIMUM RATINGS (At TA = 25oC unless otherwise noted)
RATINGS
SYMBOL
VALUE
Peak Power Dissipation with a 10/1000uS (Note 1,2,5 Fig.1)
PPPM
Minimum 400
Peak Pulse Current with a 10/1000uS waveform ( Note 1, Fig.2 )
IPPM
SEE TABLE 1
Steady State Power Dissipation (Note 3)
PM(AV)
1.0
Peak Forward Surge Current per Fig.5 (Note 4)
IFSM
40
Typical Current Squarad Time
I2t
6.64
Maximum Instantaneous Forward Voltage at 25A (Note 5)
VF
Operating and Storage Temperature Range
TJ, TSTG
NOTES : 1. Non-repetitive current pulse, per Fig.3 and derated above TA = 25oC per Fig.2.
2. Mounted on 0.2 X 0.2”( 5.0 X 5.0mm ) copper pad to each terminal.
3. Lead temperature at TL = 25oC
4. Measured on 8.3mS single half sine-wave duty cycle = 4 pules per minute maximum.
5. Peak pulse power waveform is 10/1000uS.
3.5
-55 to + 150
UNITS
Watts
Amps
Watts
Amps
A2/Sec
Volts
0C
2017-12
REV:C



SMAJ48
RATING AND CHARACTERISTIC CURVES ( SMAJ5.0 THRU SMAJ440CA)
FIG. 1 - PEAK PULSE POWER RATING CURVE
100
Non-Repetitive
Pulse Waveform
Shown in Fig.3
TA= 25 OC
10
1.0
FIG. 2 - PULSE DERATING CURVE
100
75
50
25
0.1
0.1mS 1.0mS 10mS 100mS 1.0mS 10mS
TP, PULSE WIDTH
150
100
50
FIG. 3 - PULSE WAVEFORM
tr = 10usec.
Peak V alue
IPPM
Pulse Width (td) is Defined
as the P oint Where the P eak
Current Deca ys to 50% of IPPM
HALF V ALUE I-PPM
2
10/1000usec. Waveform
as Defined b y R.E.A.
0
0 25 50 75 100 125 150 175 200
TA, AMBIENT TEMPERATURE,( )
10000
FIG. 4 - TYPICAL JUNCTION CAPACITANCE
f = 1.0 MHz
Vsig = 50mVp-p
TJ = 25
1000
Measured at
Zero Bias
100
Measured at
Stand off
Voltage ,VWM
td
0
0
1.0
2.0
3.0
4.0
t, TIME,mS
10
1.0
10
100 200
V( BR), BREAKDOWN VOLTACE, VOLTS
FIG. 6 - MAXIMUM NON-REPETITIVE FOR WARD
SURGE CURRENT UNIDIRECTIONAL
50
8.3ms Single Half Sine-W ave
40
(JEDED Method)
TJ = TJ max.
30
20
10
0
1
10
100
NUMBER OF CYCLES AT 60 Hz





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