Surface Mount Transient Voltage Suppressors
Peak Pulse Power 400W
EC76SMAJxx
Stand-off Voltage 5.0 to 440V
Features
■ Plastic package has Underwriters Laboratory
EC76SMAJ5.0 thru 440
Flammability
■ Classification 94V-0
■ Optimized for LAN protection applications
■ Ideal for ESD protection of date lines in accordance
with IEC 1000-4-2 (IEC801-2)
■ 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
waveform, repetition rate
(duty cycle): 0.01%(300W about 78V)
■ Very fast response time
■ High temperature soldering guaranteed:
250℃/10 seconds at terminals
Mechanical Date
■ Case: JEDEC DO-214AA(SMB J-Bend) molded plastic over passivated junction
■ Terminals: Solder plated, solderable per MIL-STD-750, Method 2026
■ Polarity: For unidirectional types the band denotes the cathode, which is positive with respect to the anode under normal
TVS operation
■ Weight: 0.002oz., 0.064g
■
Mounting Position: Any
Absolute Maximum Ratings
(Ratings at 25℃ambient temperature unless otherwise specified.)
Parameter
Symbol
Value
Unit
W
A
Peak pulse power dissipation with a 10/1000 us waveform(1,2) (see Fig. 1)
Peak pulse current with a 10/1000 us waveform(1)
P
PPM
PPM
FSM
θJA
θJL
,TSTG
400
I
See Next Table
Peak forward surge current 8.3ms single half sine-wave uni-directional only(2)
Typical thermal resistance, junction to ambient(4)
I
40
120
A
R
℃
/W
/W
Typical thermal resistance, junction to lead
R
30
℃
Operating junction and storage temperature range
T
J
-55 to +150
℃
Notes: 1. Non-repetitive current pulse, per Fig.3 and derated above TA=25 per Fig. 2. Rating is 300W above 78V.
2. Mounted on 0.2 x 0.2" (5.0 x 5.0 mm) copper pads to each terminal
3. Mounted on minimum recommended pad layout
E-CMOS Corp. (www.ecmos.com.tw)
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