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دیتاشیت - Littelfuse - Transient Voltage Suppression Diodes

شماره قطعه SA20CA
شرح مفصل Transient Voltage Suppression Diodes
تولید کننده Littelfuse 
آرم Littelfuse 


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SA20CA شرح
Transient Voltage Suppression Diodes
Axial Leaded – 500W > SA series
RoHS SA Series
Agency Approvals
AGENCY
AGENCY FILE NUMBER
E128662/E230531
Maximum Ratings and Thermal Characteristics
(TA=25OC unless otherwise noted)
Parameter
Peak Pulse Power Dissipation by
10x1000μs test waveform (Fig.1)
(Note 1)
Steady State Power Dissipation on
infinite heat sink at TL=75ºC (Fig. 5)
Peak Forward Surge Current, 8.3ms
Single Half Sine Wave Unidirectional
only (Note 2)
Maximum Instantaneous Forward
Voltage at 35A for Unidirectional
only (Note 3)
Operating Junction and Storage
Temperature Range
Symbol
PPPM
PD
IFSM
VF
TJ, TSTG
Value
500
3.0
70
3.5/5.0
-55 to 175
Unit
W
W
A
V
°C
Typical Thermal Resistance Junction
to Lead
RuJL
20 °C/W
Typical Thermal Resistance Junction
to Ambient
RuJA
75 °C/W
Notes:
1. Non-repetitive current pulse , per Fig. 3 and derated above TA = 25OC per Fig. 2.
2. Measured on 8.3ms single half sine wave or equivalent square wave, duty cycle=4 per
minute maximum.
3. VF<3.5V for devices of VBR <_ 200V and VF<5.0V for devices of VBR >_ 201V.
Description
The SA Series is designed specifically to protect sensitive
electronic equipment from voltage transients induced by
lightning and other transient voltage events.
Features
t)BMPHFO'SFF
t -PXJODSFNFOUBMTVSHF
t 3P)4DPNQMJBOU
resistance
t 5ZQJDBMNBYJNVN
temperature coefficient
t 5ZQJDBM*R less than 1μA
above 13V
ΔVBR = 0.1% x VBR@25°C x ΔT t )JHIUFNQFSBUVSF
t (MBTTQBTTJWBUFEDIJQ
soldering guaranteed:
junction in DO-15 Package 260°C/40 seconds /
t 8QFBLQVMTF
capability at 10×1000μs
waveform, repetition rate
0.375”,(9.5mm) lead
length, 5 lbs., (2.3kg)
tension
(duty cycles):0.01%
t 1MBTUJDQBDLBHFIBT
t 'BTUSFTQPOTFUJNF
typically less than 1.0ps
from 0 Volts to BV min
Underwriters Laboratory
Flammability classification
94V-O
t &YDFMMFOUDMBNQJOH
t .BUUF5JO-FBEoGSFFQMBUFE
capability
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.
©2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to http://www.Littelfuse.com/series/SA.html for current information.
71
Revision: January 09, 2009
SA Series

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