P4SMA6.8A thru P4SMA220CA
Surface Mount TRANSZORB®
Transient Voltage Suppressors
DO-214AC (SMA)
Breakdown Voltage 6.8 to 220V
Peak Pulse Power 400W
Cathode Band
0.065 (1.65)
0.049 (1.25)
0.110 (2.79)
0.100 (2.54)
Mounting Pad Layout
0.066 MIN.
0.094 MAX.
(1.68 MIN.)
(2.38 MAX.)
0.177 (4.50)
0.157 (3.99)
Dimensions in inches
and (millimeters)
0.012 (0.305)
0.052 MIN.
0.006 (0.152)
(1.32 MIN.)
0.220
0.090 (2.29)
0.078 (1.98)
(5.58) REF
0.060 (1.52)
Features
0.008 (0.203)
MAX.
0.030 (0.76)
• Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
• Optimized for LAN protection applications
0.208 (5.28)
0.194 (4.93)
• 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)
Mechanical Data
Case: JEDEC DO-214AC molded plastic over
passivated chip
Terminals: Solder plated, solderable per MIL-STD-750,
Method 2026
• Low profile package with built-in strain relief for
surface mounted applications
Polarity: For uni-directional types the band denotes the
cathode, which is positive with respect to the anode
under normal TVS operation
• Glass passivated junction
• Low incremental surge resistance, excellent clamping
capability
Mounting Position: Any
• 400W peak pulse power capability with a 10/1000µs wave-
form, repetition rate (duty cycle): 0.01% (300W above 91V)
Weight: 0.002 ounces, 0.064 gram
• Very Fast response time
Packaging codes/options:
5A/7.5K per 13” Reel (12mm Tape), 90K/box
11/1.8K per 7” Reel (12mm Tape), 36K/box
• High temperature soldering guaranteed: 250°C/10
seconds at terminals
Devices for Bidirectional Applications
For bi-directional devices, use suffix CA (e.g. P4SMA10CA). Electrical characteristics apply in both directions.
Maximum Ratings & Thermal Characteristics Ratings at 25°C ambient temperature unless otherwise specified.
Parameter
Symbol
Value
Unit
Peak pulse power dissipation with
PPPM
400
W
a 10/1000µs waveform(1)(2) (Fig. 1)
Peak pulse current with a 10/1000µs waveform(1) (Fig. 3)
IPPM
See Next Table
1.0
A
Power dissipation on infinite heatsink, TA = 50°C
PM(AV)
W
Peak forward surge current 8.3ms single half sine-wave
(JEDEC Method) uni-directional only(2)
IFSM
40
A
Thermal resistance junction to ambient air(3)
RθJA
RθJL
120
30
°C/W
°C/W
°C
Thermal resistance junction to leads
Operating junction and storage temperature range
TJ, TSTG
–65 to +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 x 0.2” (5.0 x 5.0mm) copper pads to each terminal
10/24/00
(3) Mounted on minimum recommended pad layout