Transient Voltage Suppressors - P4SMA Series
Features
1. Halogen-free
2. Rohs compliant
3. Typical maximum temperature coefficient
4. ΔV
BR
=0.1%xV
BR
@25°C x ΔT
5. Glass passivated Chip junction in DO-214AC package
6. 400W peak pulse capadility at 10x1000μs waveform,repetition rate (duty
cycles):0.01%
7. Fast response time:typically less than 1.0ps from 0 Volts to BV min
8. Excellent clamping capability
9. Low incremental surge resistance
10. Typical IR less than 5μA above 11V
11. High temperature soldering guaranteed: 260°C/40 seconds / 0.375”,
(9.5mm) lead length, 5lbs., (2.3kg)tension
12. Plastic package has underwriters laboratory
flammability classification 94v-0
UNI
Cathode
BI
Anode
BI
UNI
Applications
TVS devices are ideal for the protection of I/O interfaces,VCC bus and other vulnerable circuits used in telecom, computer,
industrial and consumer electronic applications.
Mechanical Characteristics
Rating
Peak Pulse Power Dissipation at TA=25°C by 10x1000μs test
waveform (Fig.1)(Note 1),(Note 2)
Power Dissipation on inifinite heat sink at TA=50°C
Peak Forward Surge Current, 8.3ms Single Half Sine
Wave(Note 3)
Maximum Instantaneous Forward Voltage at 25A for
Unidirectional only (Note 4)
Operating junction and Storage Temperature Range.
Typical Thermal Resistance Junction to Lead
Typical Thermal Resistance Junction
to Ambient
Symbol
P
PPM
P
D
I
FSM
V
F
T
J
,
T
STG
R
uJL
R
uJA
Value
400
3.3
40
3.5/6.5
-55°C to 175°C
30
120
Units
Watts
Watts
Amps
V
°C
°C/W
°C/W
Notes:
1. Non-repetitive current pulse , per Fig. 3 and derated above TA = 25°C per Fig. 2.
2. Measured on 8.3ms single half sine wave or equivalent square wave, duty cycle=4 perminute maximum.
3. VF<3.5V for devices of VBR _< 200V and VF<5.0V for devices of VBR _> 201V.
Circuit Protection
System
Specifications are subject to change without notice.
Please refer to
http://www.ruilon.com
for current information.
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RUILON [ Ruilongyuan Electronics Co.,Ltd ]
