Document
P4SMA Series
Surface Mount – 400W
TVS Diodes Datasheet
RoHS
Pb e3
Uni-directional
Bi-directional
Additional Information
Resources
Accessories
Samples
Maximum Ratings and Thermal Characteristics (TA=25OC unless otherwise noted)
Parameter
Symbol Value Unit
Peak Pulse Power Dissipation at TA=25°C
by 10/1000us Waveform(Fig.2)(Note 1), PPPM
400
W
(Note 2)Single Die Parts
Peak Pulse Power Dissipation at TA=25°C
by 10/1000us Waveform(Fig.2)(Note 1), PPPM
600
W
(Note 2) Stacked Die Parts(Note 5)
Power Dissipation on Infinite Heat Sink at TL=50OC
PD
3.3
W
Peak Forward Surge Current, 8.3ms Single Half Sine Wave (Note 3)
IFSM
60
A
Maximum Instantaneous Forward Voltage at 25A for Unidirectional Only (Note 4)
VF
3.5/5.0 V
Operating Temperature Range
Storage Temperature Range
Typical Thermal Resistance Junction to Lead
TJ -65 to 150 °C TSTG -65 to 175 °C
RθJL
30 °C/W
Typical Thermal Resistance Junction to Ambient
RθJA
120 °C/W
Notes: 1. Non-repetitive current pulse, per Fig.4 and derated above TJ (initial) =25ºC per Fig. 3. 2. Mounted on 5.0x5.0mm copper pad to each terminal. 3. Measured on 8.3ms single half sine wave or equivalent square wave for unidirectional device only. 4. VF < 3.5V for single die parts and VF< 5.0V for stacked-die parts. 5. For stacked die component details, please refer to part numbers labeled by * in Electrical Characteristics.
Description
The P4SMA series is designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events.
Features
■ 400W peak pulse power
■ 260oC/40sec change to
capability at 10/1000µs
260oC/30sec
waveform, repetition rate (duty cycles):0.01%
■
VBR @ TJ= VBR@25°C x (1+αT x (TJ - 25))(αT:Temperature
■ Excellent clamping capability
Coefficient, typical value is
■ Typical IR less than 1μA when 0.1%)
VBR min>12V ■ Surface mount footprint for
compact PCB layout
■ Low profile package
■ UL Recognized epoxy meeting flammability classification V-0 change to Plastic package is flammability rated V-0 per UL-94.
■ Typical failure mode due to exceeding maximum ratings is
■ Meet MSL level1, per J-STD-020, LF maximun peak
a short circuit condition
of 260°C
■ Whisker test conducted based on Table 4a and 4c of JEDEC JESD201A
■ IEC 61000-4-2 ESD 30kV(Air), 30kV (Contact)
■ Built-in strain relief
■ Matte tin, lead–free plated
■ Halogen-free and RoHS compliant
■ Pb-free E3 means 2nd level interconnect is Pb-free and the terminal finish material is
■ Fast response time: typically
tin(Sn) (IPC/JEDEC J-STD-
less than 1.0ps from 0V to BV 609A.01)
min
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.
Agency
Agency Approvals
Agency File Number E230531
Functional Diagram
Cathode
Bi-directional Uni-directional
Anode
© 2022 Littelfuse, Inc.
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Specifications are.