Datasheet > V275LA40CX680P

V275LA40CX680P

更新时间： 2024-01-24 05:08:50

品牌	Logo	应用领域
力特 - LITTELFUSE		电阻器
页数	文件大小	规格书
8页	1042K
描述
RESISTOR, VOLTAGE DEPENDENT, 453V, 320J, THROUGH HOLE MOUNT, RADIAL LEADED, ROHS COMPLIANT

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V275LA40CX680P 技术参数

生命周期：	Obsolete	包装说明：	,
Reach Compliance Code：	unknown	ECCN代码：	EAR99
HTS代码：	8533.40.40.00	风险等级：	5.58
电路直流最大电压：	453 V	电路RMS最大电压：	275 V
最大能量吸收容量：	320 J	安装特点：	THROUGH HOLE MOUNT
端子数量：	2	最高工作温度：	85 °C
最低工作温度：	-55 °C	封装形状：	DISK PACKAGE
包装方法：	BULK; TR	额定功率耗散 (P)：	1 W
额定温度：	85 °C	电阻器类型：	VARISTOR
表面贴装：	NO	端子位置：	RADIAL
端子形状：	WIRE	Base Number Matches：	1

V275LA40CX680P 数据手册

Varistor Products

High Energy Radial Lead

RoHS Pb

C-III Varistor Series

Additionally, all 20mm C-III devices are listed to the “Permanently

Ordering Information

Connected” category (10kA) of UL1449, by Underwriter’s Laboratories, Inc.

C-III series Varistors are shipped standard in bulk pack with straight

leads and lead spacing outlined in the package dimensions on page 4-

13. Contact your Littelfuse sales representative to discuss the non-stan-

dard options outlined below.

As a measure of the inherent device capability, samples of the 20mm

V130LA20C devices were subjected to a worst case repetitive transient

surges test. After 100 pulses, each of 3kA, there was negligible change

in the device characteristics. Changes in the clamping voltage, measured

at 100 amps, of less than 3% were recorded (Figure 9). Samples of the

14mm Series V175LA20C were subjected to repetitive surge occurrences

of 750A. Again, there was negligible changes in any of the device

characteristics after 2000 pulses (Figure 10). In both cases the inherent

device capability is far in excess of the expected worst case scenario.

For Lead-free and RoHS compliant parts add the letter ‘P’ after the base

part number and before any option as shown in the ordering example

below.

ex: V150LS20CP

V300LS40CPX745

300

250

200

150

100

V130LA20C

Other Options

Base Part #

+ Optional Suffix

V XXX LA XX C

VARISTOR

P: LEAD-FREE AND

RoHS COMPLIANT OPTION

RELATIVE ENERGY INDICATOR

(One or Two Digits)

M(AC)

130V to 1,000V

100 200 300 400 500 600 700 800 900 1000 1100

TIME (HOURS)

SERIES DESIGNATOR/

LEADSTYLE DESIGNATOR

LC = Crimped and Clipped

LS = Straight

FIGURE 8. HIGHTEMPERATURE OPERATING LIFE 125 C

FOR 1000 HOURS AT RATED BIAS

LT = Crimped

LU = Under Crimped

500

V130LA20C

3kA (8/20µs)

AC Bias Reliability

450

The C-III series of metal oxide varistors was designed for use on the AC

line. The varistor is connected across the AC line and is biased with a

constant amplitude sinusoidal voltage. It should be noted that the definition

of failure is a shift in the nominal varistor voltage (VN) exceeding ±10%.

Although this type of varistor is still functioning normally after this

magnitude of shift, devices at the lower extremities of VN tolerance

will begin to dissipate more power.

400

350

(RATED FOR 80 PULSES)

300

10 20 30 40 50 60 70 80 90 100 110 120

NUMBER OF SURGES

Because of this possibility, an extensive series of statistically designed

tests were performed to determine the reliability of the C-III type of varistor

under AC bias combined with high levels of temperature stress. To date,

this test has generated over 50,000 device hours of operation at a tempera-

ture of 125^oC, although only rated at 85^oC. Changes in the nominal varistor

voltage, measured at 1mA, of less than 2% have been recorded (Figure 8).

FIGURE 9. TYPICAL REPETITIVE SURGE CURRENT

CAPABILITYOF C-III SERIES MOVs

600

V175LA20C

750A (8/20µs)

Transient Surge Current/Energy

Transient Capability

The transient surge rating serves as an excellent figure of merit for the C-III

varistor. This inherent surge handling capability is one of the C-III varistor’s

best features. The enhanced surge absorption capability results from

improved process uniformity and enhanced construction. The homogeneity

of the raw material powder and improved control over the sintering and

assembly processes are contributing factors to this improvement.

550

500

450

400

350

300

(RATED FOR 1600 PULSES)

In the low power AC mains environment, industry standards (UL, IEC,

NEMA and IEEE) all suggest that the worst case surge occurrence will be

3kA. Such a transient event may occur up to five times over the equipment

life time (approximately 10 years). While the occu rences of five 3kA

transients is the required capability, the rated, repetitive surge current for

the C-III series is 80 pulses for the 20mm units and 40 pulses for the

200 400

600

800 1000 1200 1400 1600 2000

NUMBER OF SURGES

FIGURE 10. TYPICAL REPETITIVE SURGE CURRENT

CAPABILITYOF C-III SERIES MOVs

www. lit t elf us e. c om

1...5 6 78

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与V275LA40CX680P相关器件

型号	品牌	获取价格	描述	数据表
V275LA4P	LITTELFUSE	获取价格	Varistor Products - Line Voltage Operation, Radial Lead
V275LA4PX2855	LITTELFUSE	获取价格	VARISTOR 430V 1.2KA DISC 7MM
V275LC10CPX10	LITTELFUSE	获取价格	Varistor
V275LC10P	LITTELFUSE	获取价格	Varistor, 369V, 45J, Through Hole Mount, RADIAL LEADED, HALOGEN FREE AND ROHS COMPLIANT
V275LC20AP	LITTELFUSE	获取价格	Varistor, 369V, 75J, Through Hole Mount, RADIAL LEADED, HALOGEN FREE AND ROHS COMPLIANT
V275LC20AX10	LITTELFUSE	获取价格	RESISTOR, VOLTAGE DEPENDENT, 369V, 75J, THROUGH HOLE MOUNT, RADIAL LEADED
V275LC20C	LITTELFUSE	获取价格	C-III 系列金属氧化物压敏电阻是专为高浪涌能量吸收额定值而设计。它采用了特殊的电介质
V275LC20CP	LITTELFUSE	获取价格	Varistor, 473V, 145J, Through Hole Mount, RADIAL LEADED, HALOGEN FREE AND ROHS COMPLIANT
V275LC20CPX2855	LITTELFUSE	获取价格	VARISTOR 430V 6.5KA DISC 14MM
V275LC2P	LITTELFUSE	获取价格	Varistor, 369V, 23J, Through Hole Mount, RADIAL LEADED, HALOGEN FREE AND ROHS COMPLIANT

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