WRM0204C1K8FI datasheet, PDF - EEWORLD Datasheet

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WRM0204C1K8FI: DescriptionRESISTOR, METAL FILM, 0.25 W, 1 %, 50 ppm, 1800 ohm, SURFACE MOUNT, 1506, MELF; CategoryPassive components The resistor; File Size749KB，3 Pages; ManufacturerTT Electronics plc; Websitehttp://www.ttelectronics.com/; Environmental Compliance

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WRM0204C1K8FI Overview

RESISTOR, METAL FILM, 0.25 W, 1 %, 50 ppm, 1800 ohm, SURFACE MOUNT, 1506, MELF

WRM0204C1K8FI Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Objectid	1663665215
package instruction	, 1506
Reach Compliance Code	compliant
JESD-609 code	e3
Manufacturer's serial number	WRM
Installation features	SURFACE MOUNT
Maximum operating temperature	125 °C
Minimum operating temperature	-55 °C
Package shape	CYLINDRICAL PACKAGE
method of packing	TR, BLISTER, 7 INCH
Rated power dissipation(P)	0.25 W
Rated temperature	70 °C
resistance	1800 Ω
Resistor type	FIXED RESISTOR
size code	1506
surface mount	YES
technology	METAL FILM
Terminal surface	TIN
Terminal shape	WRAPAROUND
Tolerance	1%
Operating Voltage	200 V

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MELF

Resistors

WRM Series

Welwyn Components

•

High reliability

Predictable pulse handling capability

Tolerances down to 0.1%

TCR down to 5 ppm/°C

Electrical Data

WRM 0102

Power rating at 70°C

Resistance range

Limiting element voltage

TCR

Resistance tolerance

Standard values

Thermal impedance

Ambient temperature range

Insulation resistance

k/W

°C

ohms

250

watts

ohms

volts

ppm/°C

0.2

R22 – 2M21

150

15, 25, 50

WRM 0204

0.25

R22 – 5M1

200

5, 15, 25, 50, 100

0.1, 0.25, 0.5, 1.0, 2, 5

E24 & E96

200

-55 to +125

>10

140

WRM 0207

0.4

R16 – 10 M

250

25, 50, 100

Physical Data

Dimensions (mm) and weight (g)

Type

WRM 0102

WRM 0204

WRM 0207

max

2.2

3.7

6.1

max

1.1

1.55

2.4

max

1.1

1.55

2.4

min

0.35

0.5

Weight

0.01

0.02

0.08

Construction

A metal film is deposited onto a high dissipation ceramic

former to which tin plated teminating caps are fitted.

The resistor is adjusted to value by a helical cut in the film

and the body is protected by a lacquer coating.

Terminations

Material

Plated steel cap.

Solderability

The pure tin finish produces ageing free

contacts on which low melting solders can

be used. Dipped area shall be covered with

a smooth and bright solder coating after

3 seconds immersion at 215°C.

Marking

Resistance values are colour coded with four bands,

three indicating value and one indicating the multiplier.

(Note this describes standard marking, but certain values

may still be supplied with the addition of a tolerance band

following the multiplier.)

Solvent Resistance

The body protection and marking are resistant to all normal

industrial cleaning solvents suitable for printed circuit boards.

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 data and is considered accurate at time of going to print.

A subsidiary of

TT electronics plc

· Bedlington, Northumberland NE22 7AA, UK

Telephone: +44 (0) 1670 822181 · Facsimile: +44 (0) 1670 829465 · Email: info@welwyn-tt.com · Website: www.welwyn-tt.com

08. 10

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