Power Metal Film Resistors

MF-S Series

Smallsizeforpowerrating

Rangeof4sizes:0.5wattto3wattat70°C

Flameproofprotection

Power Metal

Film Resistors

MF-S Series

Small size for power rating

Range of 4 sizes: 0.5 watt to 3 watt at 70˚C

Flameproof protection

MF1/2S

MF1S

MF2S

MF3S

Standard values

Power rating at 70° C

watts

0.5

1.0

2.0

3.0

0R1 – 1M

500

140

110

80

60

-55 to 155

700

350

< 10 :350

10 :150

E24 preferred

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

Issue C · 01.06

A subsidiary of

TT electronics plc

Welwyn Components

147

Dimensions (mm) & Weight (g)

PCB

Min.

mounting

bend

Type

L Mx

D Max

f min

d nom

centres

radius

Wt.nom

MF1/2S

21.0

0.6

1.02

0.6

0.3

MF1S

19.6

0.8

12.7

1.2

0.5

MF2S

17.8

0.8

18.4

1.2

0.9

MF3S

23.8

0.8

20.3

1.2

1.1

Physical Data

L

D

f

d

10.2

03.08

Resistance range

ohms

Limiting element voltage

volts

TCR

ppm/° C

Isolation voltage

volts

Resistance tolerance

%

Thermal impedance

° C/watt

Ambient temperature range

° C

<

1 : 5

<

>1 : 1, 2, 5

6.2

+0 -0.5

2.5

+0 -0.25

9.0

+0 -0.6

3.6

+0.5 -0

12.5

+0 -2.1

4.2

+0.8 -0

14.5

+0.6 -0

5.3

+0 -0.4

d

+0.01 -0.06

L

D

Power Metal

Film Resistors

MF-S Series

Small size for power rating

Range of 4 sizes: 0.5 watt to 3 watt at 70˚C

Flameproof protection

MF1/2S

MF1S

MF2S

MF3S

Standard values

Power rating at 70° C

watts

0.5

1.0

2.0

3.0

0R1 – 1M

500

140

110

80

60

-55 to 155

700

350

< 10 :350

10 :150

E24 preferred

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

Issue C · 01.06

A subsidiary of

TT electronics plc

Welwyn Components

147

Dimensions (mm) & Weight (g)

PCB

Min.

mounting

bend

Type

L Mx

D Max

f min

d nom

centres

radius

Wt.nom

MF1/2S

21.0

0.6

1.02

0.6

0.3

MF1S

19.6

0.8

12.7

1.2

0.5

MF2S

17.8

0.8

18.4

1.2

0.9

MF3S

23.8

0.8

20.3

1.2

1.1

Physical Data

L

D

f

d

10.2

03.08

Resistance range

ohms

Limiting element voltage

volts

TCR

ppm/° C

Isolation voltage

volts

Resistance tolerance

%

Thermal impedance

° C/watt

Ambient temperature range

° C

<

1 : 5

<

>1 : 1, 2, 5

6.2

+0 -0.5

2.5

+0 -0.25

9.0

+0 -0.6

3.6

+0.5 -0

12.5

+0 -2.1

4.2

+0.8 -0

14.5

+0.6 -0

5.3

+0 -0.4

d

+0.01 -0.06

L

D

Make Possible

Resistors

07.14

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

www.ttelectronicsresistors.com

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