TransientVoltage Suppression Diodes
Axial Leaded – 500W > SA series
Pb e3
RoHS
SA Series
Description
Bi-directional
The SA Series is designed specifically to protect sensitive
electronic equipment from voltage transients induced by
lightning and other transient voltage events.
Uni-directional
Features
• 500W peak pulse
• EFT protection of data
lines in accordance with
IEC 61000-4-4
• Low incremental surge
resistance
capability at 10/1000μs
waveform, repetition rate
(duty cycles):0.01%
• VBR @TJ= VBR@25°C
x (1+αT x (TJ - 25))
(αT:Temperature
Coefficient, typical value
is 0.1%)
• Glass passivated chip
junction in DO-15 Package
• Fast response time:
typically less than 1.0ps
from 0 Volts to BV min
Agency Approvals
• Typical IR less than 1μA
when VBR max>13V
AGENCY
AGENCY FILE NUMBER
E230531
• High temperature
to reflow soldering
guaranteed: 260°C/40sec
/ 0.375”,(9.5mm) lead
length, 5 lbs., (2.3kg)
tension
Maximum Ratings andThermal Characteristics
(TA=25OC unless otherwise noted)
Parameter
Symbol
PPPM
Value
500
Unit
W
• Plastic package is
Peak Pulse Power Dissipation by
10/1000μsTest Waveform (Fig.2)
(Note 1)
• Excellent clamping
capability
flammability rated V-0 per
Underwriters Laboratories
•Typical failure mode is
short from over-specified
voltage or current
• Whisker test is conducted
based on JEDEC
JESD201A per its table 4a
and 4c
• IEC-61000-4-2 ESD
• Matte tin lead–free plated
• Halogen free and RoHS
compliant
• Pb-free E3 means 2nd
level interconnect is
Pb-free and the terminal
finish material is tin(Sn)
(IPC/JEDEC J-STD-
609A.01)
Steady State Power Dissipation on
Infinite Heat Sink atTL=75ºC
PD
3.0
70
W
A
Peak Forward Surge Current, 8.3ms
Single Half Sine Wave Unidirectional
Only (Note 2)
Maximum Instantaneous Forward
Voltage at 35A for Unidirectional
Only
IFSM
VF
3.5
V
Operating Junction and Storage
Temperature Range
TJ, TSTG -65 to 175
°C
30kV(Air), 30kV (Contact)
• ESD protection of data
lines in accordance with
IEC 61000-4-2
TypicalThermal Resistance Junction
to Lead
°C/W
°C/W
RθJL
RθJA
20
75
TypicalThermal Resistance Junction
to Ambient
Applications
Notes:
1. Non-repetitive current pulse , per Fig. 4 and derated aboveTJ (initial) =25OC per Fig. 3.
TVS devices are ideal for the protection of I/O interfaces,
CC bus and other vulnerable circuits used in telecom,
computer, industrial and consumer electronic applications.
V
2. Measured on 8.3ms single half sine wave or equivalent square wave, duty cycle=4 per
minute maximum.
Functional Diagram
Additional Infomarion
Datasheet
Samples
Resources
Bi-directional
Cathode
Anode
Uni-directional
© 2015 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 11/20/15