Metal Film Resistors

MFR Series

BSCECC 40101-803 and 019

5

R

F

M

4

R

F

M

3

R

F

M

5

7

.

0

5

.

0

4

.

0

s

t

t

a

w

C

°

0

7

t

a

g

n

it

a

r

r

e

w

o

P

Resistance range

ohms

10R - 1M

1R0 - 10M

1R0 - 1M

0

5

3

0

5

3

0

0

2

s

tl

o

v

e

g

a

tl

o

v

t

n

e

m

e

l

e

g

n

it

i

m

i

L

0

5

0

5

C

°

/

m

p

p

R

C

T

≤10:150 >10:100*

2

,

1

,

5

.

0

2

,

1

,

5

.

0

1

%

e

c

n

a

r

e

l

o

t

e

c

n

a

t

s

i

s

e

R

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

* Note:- Tighter TCR’S are available on professional grade, consult factory for details.

Electrical Data

X

E

Z

E

X

F

Z

F

e

l

y

t

S

9

1

0

-

1

0

1

0

4

C

C

E

C

d

e

v

o

r

p

p

A

5

.

0

5

.

0

5

2

.

0

5

2

.

0

s

t

t

a

w

C

°

0

7

t

a

g

n

it

a

r

r

e

w

o

P

M

1

o

t

0

1

0

M

1

o

t

0

1

M

1

o

t

1

M

1

o

t

1

s

m

h

o

.

e

g

n

a

r

e

c

n

a

t

s

i

s

e

R

0

5

3

0

5

3

0

5

2

0

5

2

s

tl

o

v

e

g

a

tl

o

v

t

n

e

m

e

l

e

g

n

it

i

m

i

L

0

5

2

0

0

1

0

5

2

0

0

1

C

°

/

m

p

p

R

C

T

5.1 to 9.1 : 200 5.1 to 9.1 : 500

2

,

1

2

,

1

2

,

1

2

,

1

%

e

c

n

a

r

e

l

o

t

e

c

n

a

t

s

i

s

e

R

K

C

C

C

K

B

C

B

e

l

y

t

S

3

0

8

-

1

0

1

0

4

C

C

E

C

d

e

v

o

r

p

p

A

5

2

.

0

5

2

.

0

5

2

1

.

0

5

2

1

.

0

s

t

t

a

w

C

°

0

7

t

a

g

n

it

a

r

r

e

w

o

P

M

1

o

t

0

1

M

1

o

t

0

1

M

1

o

t

0

1

M

1

o

t

0

1

s

m

h

o

.

e

g

n

a

r

e

c

n

a

t

s

i

s

e

R

0

5

2

0

5

2

0

0

2

0

0

2

s

tl

o

v

e

g

a

tl

o

v

t

n

e

m

e

l

e

g

n

it

i

m

i

L

0

0

1

0

5

0

0

1

0

5

C

°

/

m

p

p

R

C

T

2

,

1

,

5

.

0

2

,

1

,

5

.

0

2

,

1

,

5

.

0

2

,

1

,

5

.

0

%

e

c

n

a

r

e

l

o

t

e

c

n

a

t

s

i

s

e

R

d

e

r

r

e

f

e

r

p

6

9

E

,

4

2

E

s

e

u

l

a

v

d

r

a

d

n

a

t

S

2

1

1

0

4

1

0

5

1

t

t

a

w

/

C

°

e

c

n

a

d

e

p

m

i

l

a

m

r

e

h

T

5

5

1

o

t

5

5

-

C

°

e

g

n

a

r

e

r

u

t

a

r

e

p

m

e

t

t

n

e

i

b

m

A

Issue D · 05.07

A subsidiary of

TT electronics plc

Welwyn Components

135

Dimensions (mm) & Weight (g)

Physical Data

L

D

f

d

MFR3

Professional

Commercial

Professional

Commercial

Professional

Commercial

MFR4

MFR5

Product grades available

commercial, professional

commercial

Type

L max

3.5

3.7

6.2

6.8

9.0

10.0

1.8

2.0

2.5

3.0

3.6

3.7

22.4

22.4

21.0

21.0

19.6

19.6

0.5

0.45

0.6

0.55

0.8

0.6

7.6

7.6

0.5

10.2

10.2

12.7

12.7

0.5

0.6

0.6

1.2

0.6

0.1

0.1

0.3

0.3

0.5

0.5

D max

F min

d nom

PCB

mount

centres

Min

bend

radius

Wt.

nom