Datasheet > RXEF250K

RXEF250K

更新时间： 2024-09-18 15:50:07

品牌	Logo	应用领域
力特 - LITTELFUSE		/
页数	文件大小	规格书
2页	236K
描述
PTC Resettable Fuse, Through Hole Mount, RADIAL LEADED

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技术参数
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RXEF250K 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Active	包装说明：	RADIAL LEADED
Reach Compliance Code：	unknown	风险等级：	2.14
Base Number Matches：	1

RXEF250K 数据手册

PRODUCT: RXEF250K

PolySwitch®

DOCUMENT: SCD27211

REV LETTER: D

REV DATE: JULY 26, 2016

PAGE NO.: 1 OF 2

PTC Devices

Overcurrent Protection Device

Specification Status: Released

Electrical Rating

Voltage: 72 V max (AC or DC)

Current: 40 A max (AC or DC)

Insulating Material:

Cured, Flame Retarded Epoxy Polymer

meets UL94 V-0 Requirements

Lead Material:

20 AWG Tin Plated Copper

Marking:

Manufacturer’s Mark

and Part Identification

X250

Lot Identification

TABLE I. DIMENSIONS:

MIN

MAX

19.93

(0.785)

MIN

MAX

26.2

(1.03)

MIN

9.4

(0.37)

MAX

10.9

(0.43) (0.30)

MIN

7.6

MAX

MIN

MAX

3.0

(0.12)

mm:

in*:

*Rounded off approximation

TABLE II. PERFORMANCE RATINGS:

I HOLD

RATED

CURRENT

RATINGS

INITIAL

RESISTANCE

VALUES

TIME TO TRIP

ONE HOUR

POST-TRIP

RESISTANCE

STANDARD

TRIP

TRIPPED- STATE

POWER

DISSIPATION

AMPERES

AT 20C

HOLD

AMPERES

AT 20C

OHMS

AT 20C

SECONDS AT

20C, 12.5A

MAX

OHMS

AT 20C

MAX

WATTS

AT 20C

MAX

AT 20C

NOMINAL

2.5

HOLD TRIP

MIN

0.05

MAX

0.08

2.50

5.00

15.6

0.13

3.38

Recognitions:

Reference Documents:

Precedence:

UL, CSA, TUV, CQC

PS300

This specification takes precedence over documents referenced herein.

Effectivity:

Reference documents shall be the issue in effect on the date of invitation for bid.

CAUTION:

Operation beyond the rated voltage or current may result in rupture, electrical arcing or flame

Materials Information

ROHS Compliant

ELV Compliant

Pb-Free

Halogen Free*

* Halogen Free refers to: Br≤900ppm, Cl≤900ppm, Br+Cl≤1500ppm.

littelfuse.com

Specifications are subject to change without notice.

Revised July 26, 2016

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