Metal Film Resistors

MFR Series

Metal Film Resistors

MFR Series

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Welwyn Components

136

Graph 1 – Load for 1000 hours at 70°C: maximum changes

Graph 2 – Load for 1000 hours at 70°C: maximum changes

CECC 40101-019

Actual Performance

Requirements

Maximum

Typical

Load at commercial rating : 1000 hours at 70°C

∆

1

h

p

a

r

G

eeS

8.0

%

R

Load at CECC rating :

1000 hours at 70°C

∆R %

2

0.5

See Graph 1

Shelf life :

12 months at room temperature

∆R %

Not Specified

0.1

0.07

C

°

551

t

a

o

r

e

z

g

n

itare

D

Short term overload

∆R %

0.5

0.25

0.03

Climatic

∆R %

2

0.5

0.2

65

/

521

/

55

y

r

o

g

eta

c

c

ita

m

il

C

Long term damp heat

∆R %

2

0.5

0.3

Temperature rapid change

∆R %

0.5

0.25

0.05

Resistance to solder heat

∆R %

0.5

0.25

0.02

Vibration and bump

∆R %

0.5

0.1

0.01

7

0.0

1.0

d

e

if

i

c

e

p

s

to

N

V/V

µ

)

y

c

neu

qe

r

f

f

o

eda

c

ed

a

n

i(

.

e

s

i

o

N

G1

>

G1

>

G1

>

s

mh

o

e

c

n

a

t

s

i

s

e

r

n

oit

a

lu

s

nI

n

i

m

004

n

i

m

004

n

i

m

053

s

tl

o

v

f

oo

r

p

e

g

a

tl

oV

Pulse handling

Data available upon request

Performance Data - Type MFR 3

CECC 40101-019

CECC 40101-803

Actual Performance

Requirements

Requirements

Maximum

Typical

Load at commercial rating :

1000 hours at 70°C

∆

2

h

p

a

r

G

eeS

8.0

%

R

Load at CECC rating :

1000 hours at 70°C

∆R %

2

1

0.5

See Graph 2

Shelf life :

12 months at room temperature

∆R %

Not specified

Not Specified

0.1

0.07

C

°

551

t

a

o

r

e

z

C

°

551

t

a

o

r

e

z

g

n

itare

D

Short term overload

∆R %

0.5

0.25

0.25

0.01

Climatic

∆R %

2

1

0.5

0.2

65

/

521

/

55

65

/

521

/

55

y

r

o

g

eta

c

c

ita

m

il

C

Long term damp heat

∆R %

2

1

0.5

0.3

Temperature rapid change

∆R %

0.5

0.25

0.25

0.04

Resistance to solder heat

∆R %

0.5

0.25

0.25

0.07

Vibration and bump

∆R %

0.5

0.25

0.1

0.01

Noise. (in a decade of frequency)

µV/V

Not Specified

Not Specified

0.1

0.1

Insulation resistance

ohms

>1G

>1G

>1G

>1G

n

i

m

005

n

i

m

005

n

i

m

004

n

i

m

005

s

tl

o

v

f

oo

r

p

e

g

a

tl

oV

t

s

e

uq

e

r

nopu

e

l

b

a

li

a

v

a

a

t

a

D

g

n

il

d

nah

e

s

l

uP

Performance Data - Type MFR 4

*

* CECC requirements are included for reference only; CECC release is not available on MFR3

Make Possible

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.

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www.ttelectronicsresistors.com