Low Value 3W

Chip Resistors

LRF3W Series

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General Note

TT electronics reserves the right to make changes in product specification without notice or liability.

All information is subject to TT electronics’ own data and is considered accurate at time of going to print.

© TT electronics plc

2.14

Type

LRF3W

R005

G

W

Resistance value

(IEC62 code)

Tolerance

(IEC62 code)

Packing

Low Value 3W

Chip Resistors

LRF3W Series

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

04.10

Welwyn Components

86

F

1%

G

2%

J

5%

Ordering Procedure

Specify type reference, value, tolerance and packing as shown in this example of LRF3W 5m

• 2% on a reel of 1800 pieces:

W

Tape

LRF3W

1800/reel

Standard

Ordering Procedure

This product has two valid part numbers:

European (Welwyn) Part Number: LRF3W-R02FW (20 milliohms ±1%, Pb-free)

L R F

3 W -

R 0

2

F W

1

2

3

4

USA (IRC) Part Number: LRC-LRF3WLF-01-R020-F (20 milliohms ±1%, Pb-free)

L R C

-

L R F

3 W L

F

-

0

1

-

R

0

2

0

-

F

1

2

3

4

5

6

Electrical Data

LRF3W

Power rating @70°C

watts

3

ohms

R003 to R10

Resistance tolerance

%

<R004: 5, ≥R004: 1, 2, 5

TCR

ppm/°C

<R004: ±550, ≥R004: ±100

Dielectric withstand

volts

200

Ambient temperature range

°C

-55 to +150

Values

500

Note 1: Contact factory for values outside this range. Note 2: Many values = N x R001 and N x R005 up to N=10 are also available. Note 3:

Recommended minimum pad & adjacent trace area for each termination for rated dissipation on FR4 PCB

1

2

3

4

Type

Value

Tolerance

Termination & Packing

LRF3W E24 = 3/4

characters

R = ohms

F = ±1%

W

Pb-free, standard packing

G = ±2% PB

SnPb finish, standard packing

J = ±5%

Standard packing is tape & reel, 1800/reel

1

2

3

4

5

6

Family Model Termination

TCR

Value

Tolerance

LRC

LRF3W Omit for SnPb 01 = ±100ppm/°C 4 characters

R = ohms

F = ±1%

LF = Pb-free

G = ±2%

J = ±5%