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

P4SMA6.8A thru P4SMA550CA
Surface Mount Transient Voltage Suppressors
Peak Pulse Power 400W Breakdown Voltage 6.8 to 550V
Features
Plastic package has Underwriters Laboratory Flammability
Classification 94V-0
Optimized for LAN protection applications
Ideal for ESD protection of data lines in accordance with
IEC 1000-4-2 (IEC801-2)
Ideal for EFT protection of data lines in accordance with
IEC1000-4-4 (IEC801-4)
Low profile package with built-in strain relief for surface
mounted applications
Glass passivated junction
Low incremental surge resistance, excellent clamping capability
400W peak pulse power capability with a 10/1000us wave-
form, repetition rate (duty cycle): 0.01% (300W above 91V)
Very Fast response time
High temperature soldering guaranteed: 250^oC/10 seconds
at terminals
Mechanical Data
Case: JEDEC DO-214AC molded plastic over passivated chip
Terminals: Solder plated, solderable per MIL-STD-750,
Method 2026
Polarity: For uni-directional types the band denotes the cathode,
which is positive with respect to the anode under normal TVS
operation
Mounting Position: Any
Weight: 0.002oz., 0.064g
Devices for Bidirectional Applications
For bi-directional devices, use suffix CA (e.g. P4SMA10CA). Electrical characteristics apply in both directions.
Maximum Ratings and Characteristics
(T_A=25^oC unless otherwise noted)
Parameter
Symbol
Value
Unit
Peak pulse power dissipation with a 10/1000us waveform ⁽¹⁾⁽²⁾
(Fig. 1)
P_PPM
400
W
Peak pulse current with a 10/1000us waveform ⁽¹⁾ (Fig. 3)
I
See Next Table
A
PPM
Power dissipation on infinite heatsink, T_A=50^oC
P_M(AV)
1.0
W
Peak forward surge current, 8.3ms single half sine-wave
uni-directional only ⁽²⁾
I_FSM
40
A
Thermal resistance junction to ambient air ⁽³⁾
R_θJA
120
o_C/W
Thermal resistance junction to leads
R_θJL
30
o_C/W
Operating junction and storage temperature range
T_J, T_STG
-55 to +150
o_C
Notes:
1. Non-repetitive current pulse, per Fig. 3 and derated above T_A=25^oC per Fig. 2. Rating is 300W above 91V.
2. Mounted on 0.2 x 0.2” (5.0 x 5.0mm) copper pads to each terminal
3. Mounted on minimum recommended pad layout
569