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2010 ROHM Co., Ltd. All rights reserved.

2010.07 - Rev.A

Data Sheet

UCR03

Characteristics

Item

Test conditions (JIS C 5201-1)

Resistor type

Guaranteed value

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%

±1.0%

±3.0%

F :

±1%

J :

±5%

Without open.

JIS C 5201-1 4.5

Measuring method : Measure under termination

Terminal

Under termination

JIS C 5201-1 4.8

Measurement :

−55 / +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%

±3.0%

±0.5%

±1.0%

JIS C 5201-1 4.25.1

Rated voltage (current), 70

°C

1.5h : ON

− 0.5h : OFF

Test time : 1,000h

JIS C 5201-1 4.25.3

155

°C

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

JIS C 5201-1 4.29

23

±5°C

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.

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.