H

L

D

W

H

W

D

L

Protective Overcoat

Resistive Element

Copper Termination

Solder Plating

Nickel Barrier Layer

Alumina Substrate

Copper Wraparound

Termination

LR 1225

LR 1206 / 2010 / 2512

Low Value Flat

Chip Resistor

LRC/LRF Series

wrap-around termination

2512 = 12mm

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.

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

Electrical Data

Physical Data

Issue E · 12.04

A subsidiary of

TT electronics plc

Welwyn Components

23

LR1206

LR2010

LR2512

Power rating at 70°C

watts

0.5

1.0

1.5/2.0*

Resistance range

ohms

0R010 to 1R

0R003 to 1R

0R003 to 1R

Dielectric withstanding voltage

volts

200

200

200

TCR

ppm/°C

±100 (Contact factory for value below 0.050 ohms)

Resistance tolerance

%

≤R005 5%, >R005 1, 2, 5%

Temperature rise at rated power

°C

40

80

90

Pad and trace area for max power rating @ 70°C

30

30

100

*2 Watts with total solder pad and trace size of 300 mm

2

Dimensions (mm)

Size

L

W

H (max)

D

D1

LR1206

3.20±0.305

1.63±0.203

0.8

0.48±0.25

0.48±0.25

LR2010

5.23±0.38

2.64±0.25

0.8

0.48±0.25

0.48±0.25

LR2512

6.50±0.38

3.25±0.25

0.8

0.48±0.25

0.48±0.25

LRC-LRF_E.qxd

12/23/04

10:07 AM

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