Silicon Avalanche Diodes
400W Surface Mount Transient Voltage Supressors
®
RoHS
SMAJ Series
FEATURES
• 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
MAXIMUM RATINGS AND CHARACTERISTICS
@25˚C AMBIENT TEMPERATURE (unless otherw ise noted)
• High Temperature soldering: 250˚C/10 seconds at terminals
• Plastic package has Underwriters Laboratory
Flammability 94V-O
PARAMETER
VALUE
SYMBOL
UNIT
Agency Approvals: Recognized under the Components Program
of Underwriters Laboratories.
Peak pulse power Dissipation on
10/1000µs waveform
Min
400
P
Watts
PPM
(note 1,2, FIG.1)
Agency File Number: E128662
Peak pulse current of on 10\1000µs
waveform (note 1, FIG.3)
I
PPM
Amps
Amps
SEE TABLE 1
40
Peak forward Surge Current, 8.3ms
Single Half SIne Wave Superimposed
on Rated Load, (JEDEC Method)
(note 2.3)
I
FSM
Operating junction and Storage
Temperature Range
T
T
°C
-55 to +150
j, sTG
Notes:
1. Non-repetitive current pulse, per Fig.3 and derated above T =
A
25˚C per Fig.2
2
2. Mounted on 5.0mm (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
Mechanical Specifications:
Weight:
Case:
0.002ounce, 0.061 gram
JEDEC DO-214AC Molded Plastic over
glass passivated junction
Any
Color band denotes cathode except
Bipolar
C A
SMAJ
Voltage
Bi-Directional
Mounting Position:
Polarity:
5% Voltage Tolerance
Terminal:
Solder Plated, solderable per
MIL-STD-750, Method 2026
Standard Packaging: 12mm tape (EIA STD RS-481)
Tape and reeled (5000 pcs)
254
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