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SA18 数据手册 - Littelfuse（力特）
制造商:
Littelfuse（力特）
分类:
TVS二极管
封装:
DO-204AC-2
描述:
ESD 抑制器/TVS 二极管 SA18 Uni-Directional
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SA18数据手册
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Transient Voltage Suppression Diodes
© 2015 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 11/20/15
Axial Leaded – 500W > SA series
The SA Series is designed specifically to protect sensitive
electronic equipment from voltage transients induced by
lightning and other transient voltage events.
Description
TVS devices are ideal for the protection of I/O interfaces,
V
CC
bus and other vulnerable circuits used in telecom,
computer, industrial and consumer electronic applications.
Applications
Features
Parameter Symbol Value Unit
Peak Pulse Power Dissipation by
10/1000μs Test Waveform (Fig.2)
(Note 1)
P
PPM
500 W
Steady State Power Dissipation on
Infinite Heat Sink at T
L
=75ºC
P
D
3.0 W
Peak Forward Surge Current, 8.3ms
Single Half Sine Wave Unidirectional
Only (Note 2)
I
FSM
70 A
Maximum Instantaneous Forward
Voltage at 35A for Unidirectional
Only
V
F
3.5 V
Operating Junction and Storage
Temperature Range
T
J
, T
STG
-65 to 175 °C
Typical Thermal Resistance Junction
to Lead
R
θJL
20
°C/W
Typical Thermal Resistance Junction
to Ambient
R
θJA
75
°C/W
Notes:
1. Non-repetitive current pulse , per Fig. 4 and derated above T
J
(initial) =25
O
C per Fig. 3.
2. Measured on 8.3ms single half sine wave or equivalent square wave, duty cycle=4 per
minute maximum.
Maximum Ratings and Thermal Characteristics
(T
A
=25
O
C unless otherwise noted)
Agency Approvals
• 500W peak pulse
capability at 10/1000μs
waveform, repetition rate
(duty cycles):0.01%
• V
BR
@ T
J
= V
BR
@25°C
x (1+
αT x (T
J
- 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
• Excellent clamping
capability
• 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
30kV(Air), 30kV (Contact)
• ESD protection of data
lines in accordance with
IEC 61000-4-2
• EFT protection of data
lines in accordance with
IEC 61000-4-4
• Low incremental surge
resistance
• Typical I
R
less than 1μA
when V
BR
max>13V
• High temperature
to reflow soldering
guaranteed: 260°C/40sec
/ 0.375”,(9.5mm) lead
length, 5 lbs., (2.3kg)
tension
• Plastic package is
flammability rated V-0 per
Underwriters Laboratories
• 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)
AGENCY AGENCY FILE NUMBER
E230531
SA Series
Bi-directional
Uni-directional
Functional Diagram
Bi-directional
Uni-directional
Cathode
Anode
RoHS
Pb
e3
Datasheet
Additional Infomarion
Resources
Samples
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