WCR0805-470RGI [ETC]

WIDERSTAND DICKFILM 470R 100V 0.1W 10ST ; WIDERSTAND DICKFILM 470R 100V 0.1W 10ST\n


型号：	WCR0805-470RGI
厂家：	ETC
描述：	WIDERSTAND DICKFILM 470R 100V 0.1W 10ST WIDERSTAND DICKFILM 470R 100V 0.1W 10ST\n
文件：	总2页 (文件大小：139K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

General Purpose Surface

Mounted Resistors

WCR SERIES

● Excellent reliability

● Wide range of sizes and ohmic values

● Wrap around terminations

● Inner electrode protection

Electrical Data

0402

0603

0805

1206

2010

2512

Power rating at 70°C

Resistance range

watts

0.063

0.10

0.125

0.25

0.5

1.0

ohms 4R7 to 2M2 1R to 22M 1R to 22M 1R to 22M 1R to 22M 1R to 10M 1R to 10M

Limiting element voltage volts

150

200

see table below

200

TCR

ppm/°C

Resistance tolerance

Standard values

E24 / E96 preferred. Other values to special order

-55 to 125

Ambient temperature range °C

Tolerance/Resistance/TCR

WCR 0402

WCR 0603

WCR 0805

WCR 1206@¹/8W WCR 1206@¹/4W

WCR 2010

WCR 2512

Ohmic

Range

(Ohms)

TCR

ppm

/°C

Ohmic

Range

(Ohms)

TCR

ppm

Ohmic

Range

TCR

ppm

Ohmic

Range

TCR

ppm

Ohmic

Range

TCR

ppm

Ohmic

Range

TCR

ppm

Ohmic

Range

TCR

ppm

/°C*

Tolerance

/°C* (Ohms)

MIN MAX

100R 100K ±50 100R 100K ±50 100R 100K ±100 100R 100K ±100

± 0.5%

± 1%

10R 1MO ±100 1R 10M ±100 1R 10M ±100 1R 10M ±100 10R 1M ±100 1R 10M ±300 1R 10M ±300

10R 1M ±200 1R 10M ±200 1R 10M ±200 1R 10M ±200 10R 1M ±200 10R 1M ±200 10R 1M ±200

4R7 2M2 ±300 1R 10M ±200 1R 10M ±200 1R 10M ±200 10R 1M ±200 1R 10M ±300 1R 10M ±300

11M 22M ±300 11M 22M ±300 11M 22M ±300

± 2%

± 5%

± 10%

Zero jumper chips also available

*Note:TCR for low values 1R to 4R3 -100 to +600 ppm/°C.

TCR for high values 3M3 to 22M ± 300ppm/°C.

Physical Data

Dimensions (mm)

Style

0402

0603

1.0 ± 0.05 0.5 ± 0.03 0.35 ± 0.05 0.20 ± 0.1 0.25 ± 0.1

1.6 ± 0.15 0.8 ± 0.15 0.5 + 0.15 0.25 ± 0.2 0.25 ± 0.2

-0.05

0805

1206

2.0 + 0.2

1.25 + 0.2 0.5 + 0.15

-0.1 -0.10

0.4 ± 0.2

3.2 + 0.1

-0.15

1.6 + 0.1 0.55 + 0.15 0.5 + 0.2

-0.15 -0.05 -0.25

0.5 + 0.2

-0.25

Wrap-around terminations

(3 faces)

2010

2512

5.0 ± 0.15 2.5 ± 0.15 0.56 ± 0.15 0.60 ± 0.25 0.60 ± 0.25

6.3 ± 0.15 3.2 ± 0.15 0.56 ± 0.15 0.60 ± 0.25 0.60 ± 0.25

*N.B. The minimum distance between the underside terminations of the WCR 1206 is 0.2mm.

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.

Bedlington, Northumberland NE22 7AA, England Tel: 01670 822181 Fax: 01670 829465 Web: http://www.Welwyn-TT.co.uk

Issue A 07/99

General Purpose Surface

Mounted Resistors

WCR SERIES

CONSTRUCTION

Solder Plating

Nickel Barrier

Dipped Conductor

The chips have a high alumina substrate (96% minimum)

with a ruthenium oxide resistance element and silver

palladium, nickel and solder plated terminations. A glazed

protection coat is applied to the resistive element (See

Fig. 1)

Epoxy Melamine

Glass Dielectric

Silver

Palladium

Resistance Element

TERMINATIONS

Solderability The terminations meet the requirements

of IEC 115-1, Clause 4.17.3.2.

Strength

The terminations meet requirements of

IEC 68.2.21.

MARKING

96% min Alumina Substrate

Figure 1

All resistors are individually marked with 3 digits. The

first two digits are the significant figures and the third

defines the number of added zeros. Jumpers are marked

000. Type 0402 have no marking.

E96 1% components that can not be marked with 4 digits

will be marked with a standard 3 digit code. Details can

be supplied upon request.

SOLVENT RESISTANCE

The protective epoxy lacquer and marking are resistant to

all normal industrial cleaning fluids suitable for printed

circuits.

Performance Data

MAXIMUM CHANGE

0402

0603

0805

1206

2010

2512

Load: 1000 hrs at 70°c

∆R%

4R7 - 100K:1

>100K:2

1R - 100K:1

>100K:2

1R - 100K:1

>100K:2

1R - 100K:1

>100K:2

1R - 100K:1

>100K:2

3% + 0.1R

Shelf life: 12 months at room temp. ∆R%

Derate linearly to zero from 70°C ∆R%

Short term overload

0.2

zero at 125°C

(6.25 x rated power)

Max voltage

∆R%

volts

100

2.5

100

2.5

200

2.5

400

2.5

200

5.0

200

Climatic

∆R%

Climatic category

Long term damp heat

Temperature rapid change

Resistance to solder heat

Vibration and bump

Noise

55/125/56

2.5

2.2

see table 3

Insulation resistance

Voltage proof

ohms

volts

> 1G

500

100

500

Pulse Handling

Data available on request

PACKAGING

All chips are tape mounted and supplied on standard 8mm

tape reel, as IEC publication 286-3.

180mm (7 inch) reel carries 5,000 pieces. (Except 0402

carries 10,000 pieces)

250mm (10 inch) reel carrying 10,000 pieces can be supplied

by agreement.

CHIP RESISTOR LAB STOCK FOR DESIGNERS

WCR chip resistors are available in a special package

containing 50 each of the E24 values. Please contact the

sales desk for full details of this excellent solution for

designers and your prototype build requirements.

Chips are taped element side up as standard.

If chips are to be taped face down please specify.

Type 2010 – 4,000 pcs

Type 2512 – 4,000 pcs

BULK CASSETTE PACK AVAILABLE

Bedlington, Northumberland NE22 7AA, England Tel: 01670 822181 Fax: 01670 829465 Web: http://www.Welwyn-TT.co.uk

Issue A 07/99

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