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2012 ROHM Co., Ltd. All rights reserved.

2012.11 - Rev.C

Data Sheet

ESR Series

When the ambient temperature exceeds 70°C, power dissipation must be adjusted according to the derating curves below.

ESR01 / 03 / 10 / 18 / 25

0

20

40

60

80

100

−55

0

70

100

155

AMBIENT TEMPERATURE (

°C)

Test Items

Test Conditions

Resistor Type

Guaranteed Value

Endurance at 70

°C

Endurance

Bend strength of

the end face plating

Resistance to solvent

± (2.0%+0.1Ω)

± (1.0%+0.05Ω)

± (3.0%+0.1Ω)

See P.1

See P.1

20

°C

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.

Compliance Standard(s) : IEC60115

−8

JISC 5201

−8

Measurement :

+20 / −55 / +20 / +125°C

Soldering condition : 260

±5°C

Duration of immersion : 10

±1s

40

°C, 93%RH (Relative Humidity)

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)

70

°C

Rated voltage (current)

1.5h : ON

− 0.5h : OFF

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

155

°C

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

23

±5°C, Immersion cleaning, 5±0.5min

Solvent : 2

−propanol

EIAJ ED-4701 / 300 TEST METHOD304

Voltage : 2kV (ESR01)

3kV (ESR03 / 10 / 18)

5kV (ESR25)

C : 100pF

R : 1.5k

Ω

Apply cycle : 1time

−

Static electric

characteristics

± (5.0%+0.05Ω)

Test temp. :

−55°C to +125°C 5cycle

Rosin·Ethanol : 25% (Weight)

Soldering condition : 235

±5°C

Duration of immersion : 2.0

±0.5s

Rated voltage (current)

×2.0, 2s (ESR01)

Rated voltage (current)

×2.5, 2s (ESR03 / 10 / 18 / 25)

Maximum overload voltage

Variation of resistance

with temperature

Resistance

Overload

Solderability

Resistance to

soldering heat

Rapid change of

temperature

Damp heat, steady state

ESR01

ESR03

ESR10

ESR18

ESR25

mg/pc

Parameter

Unit

0.63

2.18

5.13

9.62

16.47

Weight