Datasheet > EMC

EMC

更新时间： 2024-11-18 06:57:03

品牌	Logo	应用领域
TTELEC		电阻器膜电阻器金属膜电阻器脉冲
页数	文件大小	规格书
3页	59K
描述
Pulse Withstanding Fusible Flameproof Metal Film Resistors

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数据手册

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EMC 数据手册

Pulse Withstanding Fusible

Flameproof Metal Film Resistors

EMC Series

UL1412 recognised*

Failsafe 240V mains fusing

Good pulse handling capability

Small size for power rating

UL94-V0 flameproof protection

* Values 22R and above. UL file number E234469

Electrical Data

EMC2

Watts

Power rating at 70°C

Resistance range

Ohms

ppm/°C

Volts

4R7 – 68R

100

TCR (25 to 75°C)

Isolation Voltage

500

Resistance Tolerance

Standard Values

10, 20

E12

Thermal Impedance

Ambient temperature range

°C/Watt

°C

-55 to +155

Physical Data

Dimensions (mm) & Weight (g)

Type

L max

D max

f min

d nom

PCB mount centres

18.4

Min bend radius

1.2

Wt. nom

0.55

0.8

EMC2

Construction

The metal film is deposited onto a high purity ceramic rod. End caps are force fitted and termination wires are welded

to the end caps. Finally, a cement protection is applied to the resistor body prior to marking with indelible ink. The

cement protection is applied in a manner that leaves the terminations completely clear. This permits a well-defined

body length (clean lead to clean lead dimension L).

Terminations

Material:

Strength:

Solder-coated copper wire

The terminations meet the requirements of IEC 68.2.21

Solderability: The terminations meet the requirements of IEC 115-1 Clause 4.17.3.2

Solvent Resistance

The body protection and marking are resistant to all normal industrial cleaning solvents suitable for printed circuits.

General Note

Welwyn Components reserves the right to make changes in product specification without notice or liability.

All information is subject to Welwyn’s own test data and is considered accurate at time of print.

Ó We lwyn Compone nts Limite d

Welwyn Electronics Park, Bedlington, Northumberland, NE22 7AA, England. Tel: 01670 822181Fax: 01670 829465 Web: www.welwyn-tt.com

A subsidiary of TT electronics plc

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