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P4SMA550CA Datasheet, PDF (1/5 Pages) Cystech Electonics Corp. – Surface Mount Transient Voltage Suppressors
CYStech Electronics Corp.
Spec. No. : C767SA
Issued Date : 2009.05.19
Revised Date :2010.01.14
Page No. : 1/5
Surface Mount Transient Voltage Suppressors
Peak Pulse Power 400W Breakdown Voltage 6.8 to 550V
P4SMA6.8A thru P4SMA550CA
Features
• Low profile package with built-in strain relief for surface mounted
applications
• Plastic package has UL flammability classification 94V-0
• Ideal for ESD protection of data line in accordance with IEC1000-4-2
(IEC801-2)
• Ideal for EFT protection of data line in accordance with IEC1000-4-4
(IEC801-4)
• Very-fast response time
• Optimized for LAN protection applications
• Low incremental surge resistance, excellent clamping capability
• Glass passivated junction
• High temperature soldering guaranteed: 250°C/10seconds at
terminals
• 400W peak pulse power capability with a 10/1000μs waveform,
repetition rate (duty cycle) : 0.01% (300W above 91V)
Outline
DO-214AC (SMA)
Mechanical Data
• Case : JEDEC DO-214AC(SMA) molded plastic body
• Terminals: Pure tin plated, solderable per MIL-STD-750 method 2026
• Polarity: For uni-directional types, the band denotes the cathode, which is positive with respective to the anode
under normal TVS operation
• Mounting position : Any
• Weight: 0.002 oz., 0.064 gram
Devices for bidirectional applications
For bi-directional devices, use suffix CA (e.g. P4SMA10CA). Electrical characteristics apply in both directions.
Maximum Ratings and Characteristics(TA=25°C, unless otherwise noted)
Parameter
Symbol
Value
Peak pulse power dissipation with a 10/1000μs waveform (Fig. 1) PPPM Minimum 400 (Note 1, 2)
Peak pulse current with a 10/1000μs waveform (Fig. 3)
IPPM See next table (Note 1)
Power dissipation on infinite heatsink, TA=50°C
PM(AV)
1
Peak forward surge current, 8.3ms single half sine wave
uni-directional only (Note 2)
IFSM
40
Typical thermal resistance, junction-to-leads
RθJL
30
Typical thermal resistance, junction-to-ambient (Note 3)
RθJA
120
Operating junction and storage temperature range
TJ;TSTG
-55 ~ +150
Notes: 1.Non-repetitive current pulse, per Fig. 3 and derated above TA=25°C per Fig. 2. Rating is 300W above 91V.
2.Mounted on 0.2”×0.2” (5mm×5mm) copper pads to each terminal
3.Mounted on minimum recommended pad layout
Unit
W
A
W
A
°C/W
°C/W
°C
P4SMA6.8A thru P4SMA550CA
CYStek Product Specification