Datasheet > TCF250-180T

TCF250-180T

更新时间： 2024-09-10 15:54:03

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力特 - LITTELFUSE		/
页数	文件大小	规格书
2页	100K
描述
PTC Resettable Fuse

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TCF250-180T 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Active	Reach Compliance Code：	unknown
风险等级：	1.6	Is Samacsys：	N
Base Number Matches：	1

TCF250-180T 数据手册

PRODUCT: TCF250-180T

PolySwitch®

PTC Devices

DOCUMENT: SCD27309

REV LETTER:

Overcurrent Protection Device

REV DATE: JULY 26, 2016

PAGE NO.: 1 OF 2

Specification Status: Released

Operating Conditions at 20°C:

Maximum Continuous Operating Voltage (V_MCO): 60V_DC

Maximum Interrupt Current (I_INT): 3A_RMS

Fault Ratings at 20°C:

250V_RMS, 3A, 10 applications

Additional Info at 20°C:

• Resistance matched: N/A

• Lightning withstand:

- ITU-T K.20, K21 - 1.5 kV

- ITU-T K.20, K21 - 4.0 kV when tested with 230V GDT primary protector

• Helps equipment meet ITU-T K.20, K.21 Recommendations

• Helps equipment meet Telcordia GR1089 intrabuilding requirements

Marking:

TABLE I. DIMENSIONS:

MIN

6.9

MAX

7.1

MIN

6.9

MAX

7.1

MIN

1.3

MAX

1.6

mm:

in:* (0.27)

(0.28)

(0.27)

(0.28)

(0.05)

(0.06)

*Rounded off approximation.

TABLE II. PERFORMANCE RATINGS @ 20°C (as measured in test board # T2978):

HOLD*

CURRENT CURRENT

TRIP*

RESISTANCE (Ω)

TIME TO TRIP(Sec)

@ 1A*

OPERATING

TEMPERATURE

(°C)

TRIPPED

POWER DISSIPATION

(A)

(W) @ 60V_DC*

R MIN R MAX R_{24 MAX}**

TYP

MAX*

MIN

MAX

TYP

MAX

0.180

0.38

1.9

3.0

4.2

3.4

6.5

-40

0.8

0.9

* Dependent on Heat Sinking of Mounting Fixture.

**Maximum device resistance at 20°C measured 24 hour post trip

TABLE III. APPLICABLE PART DESCRIPTIONS:

PART DESCRIPTION

PACKAGING TYPE

Bulk

UL (File # E74889)

PS300, ITU-T K.20, K.21

NOTES

N/A

TCF250-180T

Agency Recognitions:

Reference Documents:

Precedence:

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

Littelfuse.com

Specifications are subject to change without notice.

Revised July 26, 2016

中文翻译

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