Silicon Avalanche Diodes
400W Surface Mount Transient Voltage Supressors
RoHS
FEATURES
SMAJ Series
®
•
RoHS
compliant
•
For surface mounted applications in order to optimize
board space
•
Low profile package
•
Built-in strain relief
•
Glass passivated junction
•
Low inductance
•
Excellent clamping capability
•
Repetition Rate (duty cycle): 0.01%
•
Fast response time: typically less than 1.0ps from 0 Volts to
V(BR) for unidirectional types
•
Typical IR less than 1A above 10V
•
High Temperature soldering: 250˚C/10 seconds at terminals
•
Plastic package has Underwriters Laboratory
MAXIMUM RATINGS AND CHARACTERISTICS
@25˚C AMBIENT TEMPERATURE (unless otherwise noted)
PARAMETER
Peak pulse power Dissipation on
10/1000µs waveform
(note 1,2, FIG.1)
Peak pulse current of on 10\1000µs
waveform (note 1, FIG.3)
Peak forward Surge Current, 8.3ms
Single Half SIne Wave Superimposed
on Rated Load, (JEDEC Method)
(note 2.3)
Operating junction and Storage
Temperature Range
SYMBOL
PPPM
VALUE
Min
400
UNIT
Watts
Flammability 94V-O
Agency Approvals:
Recognized under the Components Program
of Underwriters Laboratories.
Agency File Number:
E128662
IPPM
SEE TABLE 1 Amps
IFSM
40
Amps
Tj, TsTG -55 to +150
°C
Notes:
1. Non-repetitive current pulse, per Fig.3 and derated above TA=
25˚C per Fig.2
2. Mounted on 5.0mm2(0.03mm thick) Copper Pads to each
terminal
3. 8.3 ms single half sine-wave, or equivalent square wave, Duty
cycle= 4 pulses per minute maximum.
ORDERING INFORMATION
SMAJ
CA
Mechanical Specifications:
Weight:
Case:
Mounting Position:
Polarity:
Terminal:
Standard Packaging:
0.002ounce, 0.061 gram
JEDEC DO-214AC Molded Plastic over
glass passivated junction
Any
Color band denotes cathode except
Bipolar
Solder Plated, solderable per
MIL-STD-750, Method 2026
12mm tape (EIA STD RS-481)
Voltage
Bi-Directional
5% Voltage Tolerance
Tape and reeled (5000 pcs)
254
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