MNR18

Resistors

Rev.B

2/4

Characteristics

Item

Test conditions (JIS C 5201-1)

Resistor type

Guaranteed value

Jumper type

Resistance

Variation of resistance

with temperature

Solderability

Damp heat, steady state

Endurance at 70

°C

Endurance

Rapid change of

temperature

Bend strength of

the end face plating

Resistance to solvent

Resistance to

soldering heat

Overload

± (2.0%+0.1Ω)

Max. 50m

Ω

± (1.0%+0.05Ω)

± (3.0%+0.1Ω)

Max. 50m

Ω

Max. 100m

Ω

J :

±5%

See Table.1

No remarkable abnormality on the appearance.

A new uniform coating of minimum of

95% of the surface being immersed

and no soldering damage.

Without mechanical damage such as breaks.

Max. 50m

Ω

JIS C 5201-1 4.5

JIS C 5201-1 4.8

Measurement :

+25 / +125°C

JIS C 5201-1 4.18

Soldering condition : 260

±5°C

Duration of immersion : 10

±1s.

JIS C 5201-1 4.24

40

°C, 93%RH

Test time : 1,000h to 1,048h

± (3.0%+0.1Ω)

± (3.0%+0.1Ω)

± (1.0%+0.05Ω)

± (1.0%+0.05Ω)

± (1.0%+0.05Ω)

Max. 100m

Ω

Max. 100m

Ω

Max. 50m

Ω

Max. 50m

Ω

Max. 50m

Ω

JIS C 5201-1 4.25.1

Rated voltage (current), 70

°C

1.5h : ON

− 0.5h : OFF

Test time : 1,000h to 1,048h

JIS C 5201-1 4.25.3

125

°C

Test time : 1,000h to 1,048h

JIS C 5201-1 4.29

23

±5°C, Immersion cleaning, 5±0.5min.

Solvent : 2-propanol

JIS C 5201-1 4.19

Test temp. :

−55°C to +125°C 5cyc

JIS C 5201-1 4.33

JIS C 5201-1 4.17

Rosin·Ethanol (25%WT)

Soldering condition : 235

±5°C

Duration of immersion : 2.0

±0.5s.

JIS C 5201-1 4.13

Rated voltage (current)

×2.5, 2s.

Maximum Overload Voltage : 100V

External dimensions (Unit : mm)

Material

No.

Resistive element (Oxide metal thick film)

Silver thick film electrode

Nickel electrode

Sn electrode

Alumina substrate

Over-coating (Resin)

Cross section B

−B'

Maqnification

Cross section A

−A'

3.8

±0.1

B

a : 0.3

±0.1

b : (0.2)

c : (0.5)

(

) is reference value.

B'

A'

A

aa

b

cc

6

6

1

6

1

5

5

2

2

3

3

4

4

5

1