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부품번호 | 08CH330L 기능 |
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기능 | SMD Transient Voltage Suppressors | ||
제조업체 | SFI | ||
로고 | |||
SMD Transient Voltage Suppressors
Table of contents
Table of Contents…………………………………………..……… 1-1
Introduction…………………………………………………..….. 2-2
Transient Voltage Suppressors…………………………………. 3-3
Information for Designer…………………………………………. 4-5
Multilayer varistor introduction …………………….….……… 6-6
Part number identification ………………………………… 7-7
ML - A Series High surge protection………………………….. 8-8
ML - C Series Classification…….………………………………. 9-11
CH Series………………..………………………………….……… 12-12
ESD solution protection varistor…………………………. 13-13
Array Varistor…………………………………………………
14-14
MOV Disc Varistor protection……………………………….. 15-15
New development item
16-16
Package information…………………………………………….. 17-17
Typical application ………………………………………………. 18-18
Test information………………………………………….………. 19-19
Reliability experiment……………………………………………. 20-20
Recommendation for soldering……………………………….. 21-22
Cross reference ……………………………………………..
23-24
1
Free Datasheet http://www.Datasheet4U.com
SMD Transient Voltage Suppressors
Information for Designer
Voltage Dependent Characteristic
Transient Voltage Suppressors(varistors)
are voltage-dependent electrical resistors
with symmetrical V/I characteristic and the
breakdown region, their resistance value
decreases with increasing voltage, thus
“short-circuiting” further rises in overvoltage.
Breakdown
Region
Current (A)
The Prevention of Overvoltage
In other words, as long as the voltage increases
above the threshold of the TVS, the suppressor
will draws a rapidly increasing current, and then
the overvoltage is considerably attenuated away
from the protected circuit, that is why the
inherent protection of the equipments should be
supplemented by including specific components
that will raise the withstand capabilities to the
required level. Varistors provide protection
against all kinds of overvoltage and prevent
electronic equipment from being damaged by
transient events.
Normal State
Circuit to be
Protected
Overvoltages occur
Overvoltage State
Circuit to be
Protected
Free Datasheet http://www.Datasheet4U.com
4페이지 SMD Transient Voltage Suppressors
ML Series Part Number Identification
1. ML Series
SFI 1206 ML 240 C
Series Code
A = Operating voltage from
8.0VRMS(11.0VDC)to 35.0VRMS(45.0VDC),
High surge absorption, low clamping voltage.
C = Operating voltage from
2.5VRMS(3.3VDC)to 95.0VRMS(127.0VDC),
Wide range application.
Varistor Voltage
Where: 240 = 24 × 100 V = 24 V
241 = 24 × 101 V = 240 V
Application Code
ML = Multilayer SMD Varistor
Size 0402; 0603; 0805; 1206; 1210; 1812; 2220
2. ESD Series Part Number Identification
SFI 0402 – 050 E 220 N P
Company Logo
Size :
Model
Length(L)
Width(W)
Thickness(T)
Termination(a)
0402
Series
1.0 ±0.15
0.50 ±0.15
0.6 Max
0.25 ±0.1
Unit mm
0603
Series
1.60 ±0.15
0.80 ±0.15
0.9 Max
0.3 ±0.1
MAX
Working Voltage:
Mark Voltage
050 5V
120 12V
240 24V
Package:
Mark Type
P Taping
C normal
Cap. Tolerance:
Mark Range
N ±30%
P +80%-20%
Exception under 5PF
Cap. Value:
Where 220 =22 ×100 = 22(pF)
Where 2R5 = 2.5 ×100 = 2.5(pF)
Series:
ESD Protect Solution
Free Datasheet http://www.Datasheet4U.com
7페이지 | |||
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부품번호 | 상세설명 및 기능 | 제조사 |
08CH330L | SMD Transient Voltage Suppressors | SFI |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |