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| SMAJ16CA_13 Datasheet, PDF (1/5 Pages) Littelfuse – Transient Voltage Suppression Diodes | |||
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Transient Voltage Suppression Diodes
Surface Mount â 400W > SMAJ series
SMAJ Series
RoHS Pb
Agency Approvals
AGENCY
AGENCY FILE NUMBER
E230531
Maximum Ratings and Thermal Characteristics
(TA=25OC unless otherwise noted)
Parameter
Symbol Value Unit
Peak Pulse Power Dissipation at
TA=25ºC by 10x1000µs waveform
PPPM
400
W
(Fig.1)(Note 1), (Note 2)
Power Dissipation on infinite heat
sink at TA=50OC
PM(AV)
3.3
W
Peak Forward Surge Current, 8.3ms
Single Half Sine Wave (Note 3)
IFSM
40
A
Maximum Instantaneous Forward
Voltage at 25A for Unidirectional
only (Note 4)
VF
3.5V/6.5 V
Operating Junction and Storage
Temperature Range
TJ, TSTG -65 to 150 °C
Typical Thermal Resistance Junction
to Lead
RuJL
30
°C/W
Typical Thermal Resistance Junction
to Ambient
RuJA
120 °C/W
Notes:
1. Non-repetitive current pulse, per Fig.3 and derated above TA=25ºC per Fig. 2.
2. Mounted on 5.0x5.0mm copper pad to each terminal.
3. Measured on 8.3ms single half sine wave or equivalent square wave for unidirectional
device only.
4. VF < 3.5V for VBR <_ 200V and VF< 6.5V for VBR >_ 201V.
Description
The SMAJ series is designed specifically to protect
sensitive electronic equipment from voltage transients
induced by lightning and other transient voltage events.
Features
⢠Halogen-Free
⢠RoHS compliant
⢠For surface mounted
applications to optimize
board space
⢠Low profile package
⢠Built-in strain relief
⢠Glass passivated junction
⢠Low inductance
⢠Excellent clamping
capability
⢠400W Peak Pulsepower
capability at 10 x 1000µs
waveform, repetition rate
(duty cycle): 0.01%
⢠Fast response time:
typically less than 1.0ps
from 0 Volts to VBR min
⢠Typical IR less than 1µA
above 12V
⢠High temperature
soldering: 260°C/40
seconds at terminals
⢠Typical maximum
temperature coefficient
ÎVBR = 0.1% x VBR@25°C x ÎT
⢠Plastic package has
Underwriters Laboratory
Flammability 94V-O
⢠Matte Tin Leadâfree
Plated
Applications
TVS devices are ideal for the protection of I/O Interfaces,
VCC bus and other vulnerable circuits used in Telecom,
Computer, Industrial and Consumer electronic applications.
SMAJ Series
1
Revision: November 17, 2011, 16:25
©2011 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to http://www.Littelfuse.com/series/SMAJ.html for current information.
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