P4SMA6.8A Series
Vishay Semiconductors
formerly General Semiconductor
Surface Mount TRANSZORB®
V(BR) Unidirectional
Transient Voltage Suppressors
6.8 to 540V
(BR) Bidirectional
6.8 to 220V
V
DO-214AC
(SMA)
Cathode Band
Peak Pulse Power 400W
0.065 (1.65)
0.049 (1.25)
0.110 (2.79)
0.100 (2.54)
Mounting Pad Layout
0.066 MIN.
(1.68 MIN.)
0.094 MAX.
(2.38 MAX.)
0.177 (4.50)
0.157 (3.99)
Dimensions in inches
and (millimeters)
0.012 (0.305)
0.006 (0.152)
0.052 MIN.
(1.32 MIN.)
0.090 (2.29)
0.078 (1.98)
0.220
(5.58) REF
0.060 (1.52)
0.030 (0.76)
Features
0.008 (0.203)
MAX.
• Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
0.208 (5.28)
0.194 (4.93)
• Optimized for LAN protection applications
Mechanical Data
Case: JEDEC DO-214AC molded plastic over
• 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
passivated chip
Terminals: Solder plated, solderable per MIL-STD-750,
Method 2026. High temperature soldering guaranteed:
250°C/10 seconds at terminals.
Polarity: For uni-directional types the band denotes the
cathode, which is positive with respect to the anode
under normal TVS operation.
capability
• 400W peak pulse power capability with a 10/1000µs wave-
form, repetition rate (duty cycle): 0.01% (300W above 91V)
• Very Fast response time
Mounting Position: Any
Weight: 0.002oz., 0.064g
Packaging Codes – Options (Antistatic):
51 – 1K per Bulk box, 20K/carton
61 – 1.8K per 7” plastic Reel (12mm tape), 36K/carton
5A – 7.5K per 13” plastic Reel (12mm tape), 75K/carton
Voltages above 220V available Q3-2002
*
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 power dissipation with a 10/1000µs waveform(1)(2)(Fig. 1)
Peak pulse current with a 10/1000µs waveform(1) (Fig. 3)
Power dissipation on infinite heatsink, TA = 50°C
PPPM
400
W
IPPM
See Next Table
1.0
A
PM(AV)
W
Peak forward surge current 8.3ms single half sine-wave
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
(3) Mounted on minimum recommended pad layout
Document Number 88367
18-Jul-02
www.vishay.com
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