Datasheet > 72R040XU

72R040XU

更新时间： 2024-02-25 23:05:50

品牌	Logo	应用领域
力特 - LITTELFUSE		过载保护电阻器
页数	文件大小	规格书
7页	755K
描述
PTC Resettable Fuse, Through Hole Mount, RADIAL LEADED, HALOGEN FREE AND ROHS COMPLIANT

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技术参数
数据手册

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72R040XU 技术参数

是否Rohs认证：	符合	生命周期：	Active
包装说明：	RADIAL LEADED, HALOGEN FREE AND ROHS COMPLIANT	Reach Compliance Code：	unknown
风险等级：	1.25	其他特性：	0.55 TO 1.29 OHMS MEASURED AT 23 DEG CEL
JESD-609代码：	e3	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：	-40 °C	封装形状：	DISK PACKAGE
包装方法：	BULK	电阻器类型：	PTC RESETTABLE FUSE
子类别：	Non-linear Resistors	表面贴装：	NO
端子面层：	Tin (Sn)	端子位置：	RADIAL
端子形状：	WIRE	热敏电阻器应用：	OVERLOAD PROTECTION
Base Number Matches：	1

72R040XU 数据手册

POLY-FUSE Resettable PTCs

Radial Leaded > 72R Series

Soldering Parameters -Wave Soldering

Refer to the condition recommended

by the ﬂux manufacturer.

Pre-Heating Zone

Soldering Zone

Soldering

Cooling

Max. ramping rate should not exceed

4°C/Sec.

260

220

Max. solder temperature should not

exceed 260°C

Preheating

190

160

Time within 5°C of actual Max. solder

temperature within 3 - 5 seconds

Total time from 25°C room to Max.

solder temperature within 5 minutes

including Pre-Heating time

Cooling by natural convection in air.

5 max.

60 min.

Cooling Zone

Max. ramping down rate should not

exceed 6°C/Sec.

Time(s)

Physical Speciﬁcations

Environmental Speciﬁcations

Operating/Storage

0.20-0.40A:Tin-plated Copper clad steel

0.50-3.75A:Tin-plated Copper

Lead Material

-40°C to +85°C

Temperature

Soldering

Characteristics

Solderability per MIL–STD–202, Method

208

Maximum Device Surface

Temperature inTripped State

125°C

Cured, ﬂame retardant epoxy polymer

meets UL 94V-0 requirements.

+85°C, 1000 hours

-/+5% typical resistance change

Insulating Material

Lead Solderability

Passive Aging

Marked with ‘LF’, voltage, current rating,

and date code.

+85°C, 85% R.H. 1000 hours

-/+5% typical resistance change

Humidity Aging

+85°C to -40°C 10 times

-/+5% typical resistance change

Thermal Shock

Additional Information

Solvent Resistance

Moistrue Sesitivity Level

MIL–STD–202, Method 215

Level 1, J–STD–020

Saꢀꢁles

ꢀatasꢁeet

Resꢀꢁꢂꢃes

Speciﬁcations are subject to change without notice.

Revised: 03/22/17

1 234 5 6 7

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