2920L260/33

更新时间： 2024-11-20 14:59:31

品牌	Logo	应用领域
力特 - LITTELFUSE		/
页数	文件大小	规格书
5页	379K
描述
2920L系列PTC可为需要自恢复保护的中等电压（≤60V）设备提供表面安装式过流保护。

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中文翻译

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数据手册

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2920L260/33 数据手册

POLYFUSE^®Resettable PTCs

Surface Mount

2920L Series

Description

The 2920L series device provides surface mount

overcurrent protection for medium voltage (≤60V)

applications where resettable protection is desired.

Features

• RoHS compliant and

lead-free

• High voltage

• Low-proﬁle

• Fast response to fault

currents

Agency Approvals

Applications

AGENCY

AGENCY FILE NUMBER

E183209

• IEE1394 port protection

• Low voltage telecom

equipment protection

• Powered ethernet port

protection (IEEE 802.3 af)

R50082521

• Automotive electronic

control module protection

Electrical Characteristics

Agency

Approvals

Maximum Time

To Trip

Resistance

P _d

max.

(W)

I _hold

(A)

I _trip

(A)

V _max

(Vdc)

I _max

(A)

Part Number

Marking

R _min

(Ω)

R _typ

(Ω)

R _1max

(Ω)

Current

(A)

Time

(Sec.)

2920L030

2920L050

2920L075

2920L100

2920L125

2920L150

2920L185

2920L200

2920L200/24

2920L250

2920L260

2920L300

2920L300/15

LF030

LF050

LF075

LF100

LF125

LF150

LF185

LF200

LF200-24

LF250

LF260

LF300

LF300-15

0.30

0.50

0.75

1.10

1.25

1.50

1.85

2.00

2.50

2.60

3.00

0.60

1.00

1.50

2.20

2.50

3.00

3.70

4.00

5.00

1.50

2.50

8.00

3.00

4.00

0.30

0.50

2.00

2.50

5.00

10.00

20.00

1.200

0.350

0.120

0.070

0.080

0.065

0.050

0.035

0.025

0.015

3.000

0.870

0.670

0.270

0.160

0.150

0.110

0.090

0.060

0.050

0.033

4.800

1.400

1.000

0.410

0.250

0.230

0.150

0.125

0.085

0.075

0.048

I _hold= Hold current: maximum current device will pass without tripping in 20°C still air.

I _trip= Trip current: minimum current at which the device will trip in 20°C still air.

V _max= Maximum voltage device can withstand without damage at rated current (I max)

R _typ= Typical resistance of device in initial (un-soldered) state.

R _1max= Maximum resistance of device at 20°C measured one hour after tripping or reﬂow

soldering of 260°C for 20 sec.

Caution: Operation beyond the speciﬁed rating may result in damage and possible arcing

and ﬂame.

I _max= Maximum fault current device can withstand without damage at rated voltage (V_max

P _d= Power dissipated from device when in the tripped state at 20°C still air.

R _min= Minimum resistance of device in initial (un-soldered) state.

)

ꢀ

2920L Series

www.littelfuse.com

Electronics Designers Guide

Speciﬁcations are subject to change without notice.

12 3 4 5

中文翻译

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与2920L260/33相关器件

型号	品牌	获取价格	描述	数据表
2920L260DR	LITTELFUSE	获取价格	PTC Resettable Fuse, Surface Mount, CHIP, 2920 ROHS COMPLIANT
2920L260PR	LITTELFUSE	获取价格	2920L Series
2920L260PRHF	LITTELFUSE	获取价格	2920L Series
2920L300	LITTELFUSE	获取价格	POLYFUSE㈢ Resettable PTCs Surface Mount
2920L300/15	LITTELFUSE	获取价格	PTC Resettable Fuse, Surface Mount, LEAD FREE
2920L300/15DR	LITTELFUSE	获取价格	2920L Series
2920L300/15DRHF	LITTELFUSE	获取价格	2920L Series
2920L300/15PR	LITTELFUSE	获取价格	PTC Resettable Fuse, 0.048ohm, Surface Mount, CHIP, 2920, HALOGEN FREE AND ROHS COMPLIANT
2920L30015	LITTELFUSE	获取价格	POLYFUSE㈢ Resettable PTCs Surface Mount
2920L300DR	LITTELFUSE	获取价格	2920L Series

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