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SMAJ50 Datasheet, PDF (1/4 Pages) Daesan Electronics Corp. – POWER 400WATTS VOLTAGE 5.0 TO 188 VOLTS
SMAJ5.0 THRU SMAJ170CA
SURFACE MOUNT TRANSZORB™ TRANSIENT VOLTAGE SUPPRESSOR
Stand-off Voltage - 5.0 to 170 Volts Peak Pulse Power - 300 Watts
0.065 (1.65)
0.049 (1.25)
0.090 (2.29)
0.078 (1.98)
DO-214AC
0.177 (4.50)
0.157 (3.99)
0.110 (2.79)
0.100 (2.54)
0.012 (0.305)
0.006 (0.152)
FEATURES
♦ 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)
♦ Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
♦ Glass passivated junction
♦ Excellent clamping capability
♦ Low incremental surge resistance
♦ Fast response time: typically less than 1.0ps from 0 Volts
to V(BR) min.
♦ 300W peak pulse power capability with a 10/1000µs
waveform, repetition rate (duty cycle): 0.01%
♦ High temperature soldering guaranteed:
250°C/10 seconds at terminals
0.060 (1.52)
0.030 (0.76)
0.008 (0.203) MAX.
0.208 (5.28)
0.194 (4.93)
Dimensions in inches and (millimeters)
MECHANICAL DATA
Case: JEDEC DO-214AC molded plastic body over
passivated chip
Terminals: Solder plated, solderable per MIL-STD-750,
Method 2026
Polarity: For uni-directional types the color band denotes
the cathode, which is postitive with respect to the anode
under normal TVS operation
Mounting Position: Any
Weight: 0.002 ounces, 0.064 gram
DEVICES FOR BIDIRECTIONAL APPLICATIONS
For bi-directional use suffix C or CA for types SMAJ5.0 thru SMAJ170 (e.g. SMAJ5.0C, SMAJ170CA)
Electrical characteristics apply in both directions.
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified.
Peak pulse power dissipation with a 10/1000µs waveform (NOTE 1, 2, FIG.1)
Peak pulse current with a 10/1000µs waveform (NOTE 1)
Peak forward surge current 8.3ms single half sine-wave superimposed
on rated load (JEDEC Method) (NOTES 2, 3) - unidirectional only
Maximum instantaneous forward voltage at 25A (NOTE 3)
Operating junction and storage temperature range
SYMBOLS
PPM
IPPM
IFSM
VF
TJ, TSTG
VALUE
Minimum 300
SEE TABLE 1
40.0
3.5
-55 to +150
UNITS
Watts
Amps
Amps
Volts
°C
NOTES:
(1) Non-repetitive current pulse, per Fig.3 and derated above TA=25°C per Fig. 2
(2) Mounted on 0.2 x 0.2” (5.0 x 5.0mm) copper pads to each terminal
(3) Measured on 8.3ms single half sine-wave. For uni-directional devices only.
1/20/99