SMAJ SERIES
400Watts Surface Mount Transient Voltage Suppressor
Features
SMA/DO-214AC
For surface mounted application Low profile package Built-in strain relief Glass passivated junction Excellent clamping capability Fast response time: Typically less than 1.0ps from 0 volt to BV min. Typical IR less than 1µA above 10V High temperature soldering
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guaranteed: 260oC / 10 seconds at terminals Plastic material used carries Underwriters Laboratory Flammability Classification 94V-0 400 watts peak pulse power capability with a 10 x 1000 us waveform by 0.01% duty cycle (300W above 78V).
0.063(1.60) 0.051(1.30)
0.096(2.45) 0.078(2.00) 0.059(1.50) 0.035(0.90)
0.181(4.60) 0.161(4.10)
0.108(2.75) 0.096(2.45)
0.209(5.30) 0.193(4.90)
0.012(0.30) 0.006(0.15)
0.008(0.20) 0.002(0.05)
Mechanical Data
Dimensions in inches and(millimeters)
Case: Molded plastic Terminals: Pure tin plated lead free, Polarity: Indicated by cathode band Standard packaging: 12mm tape Weight: 0.064 gram
Maximum Ratings and Electrical Characteristics
Rating at 25 OC ambient temperature unless otherwise specified.
Type Number
Symbol
Value
Peak Power Dissipation at TA=25oC, Tp=1ms(Note 1) Steady State Power Dissipation
PPK Minimum 400 Pd 1
Peak Forward Surge Current, 8.3 ms Single Half Sine-wave Superimposed on Rated Load (JEDEC method) (Note 2, 3)
IFSM
40.0
Maximum Instantaneous Forward Voltage at 25.0A for Unidirectional Only
VF
3.5
Operating and Storage Temperature Range
TJ, TSTG
-55 to + 150
Notes:
1. Non-repetitive Current Pulse Per Fig. 3 and Derated above TA=25oC Per Fig. 2. 2. Mounted on 5.0mm2 (.013 mm Thick) Copper Pads to Each Terminal.
3. 8.3ms Single Half Sine-wave or Equivalent Square Wave, Duty Cycle=4 Pulses Per
Minute Maximum.
Devices for Bipolar Applications
1. For Bidrectional Use C or CA Suffix for Types SMAJ5.0 through Types SMAJ188. 2. Electrical Characteristics Apply in Both Directions.
Units Watts Watts
Amps
Volts oC
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SMAJ SERIES
400Watts Surface Mount Transient Voltage Suppressor
Electrical Characteristics(TA=25к unless otherwise noted)
Part Number (Uni)
Part Number (Bi)
Maximum Working Maximum Maximum
Breakdown Voltage VBR @IT Reverse Peak Reverse Reverse Clamping
Leakage IR Voltage
Surge Voltage VC
@VRWM Min (V) Max (V) IT (mA) (uA)
VRWM (V)
Current IPP (A)
@IPP (V)
SMAJ5.0
SMAJ5.0C
6.40 7.30 10
800
5.0
41.67
9.6
SMAJ5.0A
SMAJ5.0CA
6.40 7.00 10
800
5.0
43.48
9.2
SMAJ6.0
SMAJ6.0C
6.67 8.15 10
800
6.0
35.09
11.4
SMAJ6.0A
SMAJ6.0CA
6.67 7.37 10
800
6.0
38.83
10.3
SMAJ6.5
SMAJ6.5C
7.22 8.82 10
500
6.5
32.52
12.3
SMAJ6.5A
SMAJ6.5CA
7.22 7.98 10
500
6.5
35.71
11.2
SMAJ7.0
SMAJ7.0C
7.78 9.51 10
200
7.0
30.08
13.3
SMAJ7.0A
SMAJ7.0CA
7.78 8.60 10
200
7.0
33.33
12.0
SMAJ7.5
SMAJ7.5C
8