P4SMA6.8A Datasheet, PDF (1/3 Pages) Littelfuse – Silicon Avalanche Diodes - 400W Surface Mount Transient Voltage Supressors

Glass Passivated Junction Transient Voltage Suppressor
P4SMA SERIES
VOLTAGE-6.8 TO 540 Volts
400 Watt Peak Pulse Power
Formosa MS
Features
• For surface mounted applications in order to
optimize board space
• Glass passivated junction
• Built-in strain relief
• Excellent clamping capability
• Low profile package
• Low inductance
• Excellent clamping capability
• Fast response time: typically less than
1.0 ps from 0 volts to BV min
• Typical IR less than 1µA above 10V
• High temperature soldering guaranteed:
250°C/10 seconds at terminals
Mechanical Data
Case: JEDEC DO-214AC Molded plastic
Terminal： Solder plated, solderable per
MIL-STD-750, Method 2026
Polarity: Color band denoted positive end (cathode)
except Bipolar
Standard Packaging: 12mm tape(EIA STD RS-481)
Weight: 0.002 ounces, 0.061 grams
SMA/DO-214AC
0.087 (2.21)
0.070 (1.80)
0.106(2.7)
0.098(2.5)
0.091(2.3)
0.075(1.9)
0.177(4.50)
0.157(3.99)
0.010(0.250)
0.006(0.150)
0.060(1.52)
0.030(0.76)
0.008(0.203)MAX.
0.202(5.15)
0.191(4.85)
Dimensions in inches and (millimeters)
DEVICES FOR BIPOLAR APPLICATIONS
For Bidirectional use CA Suffix for types P4SMA6.8CA thru types P4SMA540CA Electrical characteristics apply in both directions.
MAXIMUM RATINGS AND CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified.
RATING
Peak Pulse Power Dissipation at TA = 25 °C, TP = 1ms (Note 1)
Peak Pulse Current of on 10/1000 µs waveform (Note 1)
Steady State Power Dissipation at TL = 75°C
Lead lengths .375", 9.5mm (Note 2)
SYMBOL
P_PPM
I_PPM
P_M(AV)
VALUE
Minimum 400
SEE TABLE 1
1.0
Peak Forward Surge Current, 8.3ms Single Half Sine-wave
Superimposed on Rated Load, (JEDEC Method)(Note 3)
I_FSM
40
Operatings and Storage Temperature Range
T_J, T_STG
NOTES:
1. Non-repetitive current pulse, per Fig.3 and derated above Ta=25 °C per Fig.2.
2. Mounted on 5.0mm² (0.03mm thick) Copper Pads to each termina
-55 +150
3. 8.3ms single half sine-wave, or equivalent square wave, Duty cycle=4 pulses per minutes maximum.
UNITS
Watts
Amps
Watts
Amps
°C
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Page 1
Document ID Issued Date
DS-222645 2008/02/10
Revised Date Revision
2010/03/10
B
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