Anti-surge Chip Resistors
ESR Series
Features
1) Exclusive resistive element pattern and laser trimming technology results
in significantly improved surge resistance characteristics.
2) 2kV to 5kV electrostatic discharge resistance.
3) Superior power ratings.
4) ROHM resistors have obtained ISO9001 / ISO / TS16949 certification.
Datasheet
Products List
Size
Part No.
(mm) (inch)
Rated Power Limiting Element Temperature Resistance
Voltage
(70°C)
Coefficient Tolerance
(W)
(V)
(ppm /
°C)
+500
/
−250
±200
±100
±200
Resistance Range
1Ω to 9.1Ω (E24 Series)
10Ω to 10MΩ (E24 Series)
10Ω to 976kΩ (E24,96 Series)
1MΩ to 2.2MΩ (E24 Series)
1Ω to 10MΩ (E24 Series)
1Ω to 9.76Ω (E24,96 Series)
10Ω to 10MΩ (E24,96 Series)
10Ω to
1MΩ (E24,96 Series)
(%)
J(±5%)
F(±1%)
J(±5%)
F(±1%)
D(±0.5%)
J(±5%)
F(±1%)
D(±0.5%)
J(±5%)
F(±1%)
D(±0.5%)
J(±5%)
F(±1%)
D(±0.5%)
Operating Automotive
Grade
Temperature
Available
Range
(AEC-Q200)
(°C)
ESR01
1005
0402
0.2
50
YES
ESR03
1608
0603
0.25
150
±200
±100
±100
±200
YES
1Ω to 30MΩ (E24 Series)
1Ω to 10MΩ (E24,96 Series)
10Ω to
1MΩ (E24,96 Series)
−55
to
+155
ESR10
2012
0805
0.4
150
±100
±100
±200
YES
1Ω to 15MΩ (E24 Series)
1Ω to 10MΩ (E24,96 Series)
10Ω to
1MΩ (E24,96 Series)
ESR18
3216
1206
0.33*
1
200
±100
±100
±200
YES
1Ω to 10MΩ (E24 Series)
1Ω to 10MΩ (E24,96 Series)
10Ω to
1MΩ (E24,96 Series)
ESR25
3225
1210
0.5*
1
200
±100
±100
YES
*
1
Please contact us for the higher rated power.
∗
E24 : Standard products, E96 : Custom products.
Part Number Description
E S R
Part No.
1 0
Size
(mm [inch])
01 (1005
[0402])
03 (1608
[0603])
10 (2012
[0805])
18 (3216
[1206])
25 (3225
[1210])
Part No.
E Z P
Packaging Specifications Code
Code
Packaging
specifications
Paper tape
(4mm Pitch)
Paper tape
(4mm Pitch)
Paper tape
(4mm Pitch)
Paper tape
(4mm Pitch)
Embossed tape
(4mm Pitch)
J
Quantity
/ Reel
1 0 0
Nominal Resistance
Resistance code, 3 or 4 digits.
000 denotes jumper type.
Resistance
tolerance
D,F
J
:
:
Resistance
code
4 digits
3 digits
ESR
(Anti-surge chip resistors)
Resistance
Tolerance
D (
±0.5%
)
D (
±0.5%
)
F (
±1%
)
J (
±5%
)
ESR01
ESR03
ESR10
ESR18
ESR25
MZP
EZP
EZP
EZP
JZP
10,000
5,000
5,000
5,000
4,000
Ex.)
1Ω = 1R00
1R0
10
Ω
= 10R0
100
1M
Ω
= 1004
105
(
±1%
)
(
±5%
)
(
±0.5%, ±1%)
(
±5%
)
(
±0.5%, ±1%)
(
±5%
)
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○
2015 ROHM Co., Ltd. All rights reserved.
1/4
2015.10 - Rev.G
ESR Series
Derating Curve
Data Sheet
When the ambient temperature exceeds 70°C, power dissipation must be adjusted according to the derating curves below.
ESR01 / 03 / 10 / 18 / 25
100
PERCENT RATED POWER (%)
80
60
40
20
0
−55
0
70
100
AMBIENT TEMPERATURE (°C)
155
Characteristics
Test Items
Resistance
Variation of resistance
with temperature
Guaranteed Value
Resistor Type
See P.1
See P.1
20°C
Measurement :
+20
/
−55
/
+20
/
+125°C
Test voltage is the smaller one of
1
or
2
1
Rated voltage (current) ×2.5(ESR03/10/18/25), 2s.
×2(ESR01) , 2s.
2
Maximum overload voltage
Rosin·Ethanol : 25% (Weight)
Soldering condition : 235±5°C
Duration of immersion : 2.0±0.5s
Soldering condition : 260±5°C
Duration of immersion : 10±1s
Test temp. :
−55°C
to
+125°C
5cycle
40°C, 93%RH (Relative Humidity)
Test time : 1,000h to 1,048h
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 : 1.5kΩ
Apply cycle : 1time
Test Conditions
Overload
±
(2.0%+0.1Ω)
Solderability
Resistance to
soldering heat
Rapid change of
temperature
Damp heat, steady state
A new uniform coating of minimum of
95% of the surface being immersed
and no soldering damage.
±
(1.0%+0.05Ω)
No remarkable abnormality on the appearance.
±
(1.0%+0.05Ω)
±
(3.0%+0.1Ω)
Endurance at 70°C
±
(3.0%+0.1Ω)
Endurance
±
(3.0%+0.1Ω)
±
(1.0%+0.05Ω)
±
(1.0%+0.05Ω)
Without mechanical damage such as breaks.
Resistance to solvent
Bend strength of
the end face plating
Static electric
characteristics
±
(5.0%+0.05Ω)
Maximum overload voltage (Test voltage)
ESR01
100V
ESR03
200V
ESR10
200V
ESR18
400V
ESR25
400V
Compliance Standard(s) : IEC60115−8
JISC 5201−8
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2015.10 - Rev.G
Datasheet
Notice
Precaution on using ROHM Products
1.
If you intend to use our Products in devices requiring extremely high reliability (such as medical equipment
(Note 1)
,
aircraft/spacecraft, nuclear power controllers, etc.) and whose malfunction or failure may cause loss of human life,
bodily injury or serious damage to property (“Specific Applications”), please consult with the ROHM sales
representative in advance. Unless otherwise agreed in writing by ROHM in advance, ROHM shall not be in any way
responsible or liable for any damages, expenses or losses incurred by you or third parties arising from the use of any
ROHM’s Products for Specific Applications.
(Note1) Medical Equipment Classification of the Specific Applications
JAPAN
USA
EU
CHINA
CLASSⅢ
CLASSⅡb
CLASSⅢ
CLASSⅢ
CLASSⅣ
CLASSⅢ
2.
ROHM designs and manufactures its Products subject to strict quality control system. However, semiconductor
products can fail or malfunction at a certain rate. Please be sure to implement, at your own responsibilities, adequate
safety measures including but not limited to fail-safe design against the physical injury, damage to any property, which
a failure or malfunction of our Products may cause. The following are examples of safety measures:
[a] Installation of protection circuits or other protective devices to improve system safety
[b] Installation of redundant circuits to reduce the impact of single or multiple circuit failure
Our Products are not designed under any special or extraordinary environments or conditions, as exemplified below.
Accordingly, ROHM shall not be in any way responsible or liable for any damages, expenses or losses arising from the
use of any ROHM’s Products under any special or extraordinary environments or conditions. If you intend to use our
Products under any special or extraordinary environments or conditions (as exemplified below), your independent
verification and confirmation of product performance, reliability, etc, prior to use, must be necessary:
[a] Use of our Products in any types of liquid, including water, oils, chemicals, and organic solvents
[b] Use of our Products outdoors or in places where the Products are exposed to direct sunlight or dust
[c] Use of our Products in places where the Products are exposed to sea wind or corrosive gases, including Cl
2
,
H
2
S, NH
3
, SO
2
, and NO
2
[d] Use of our Products in places where the Products are exposed to static electricity or electromagnetic waves
[e] Use of our Products in proximity to heat-producing components, plastic cords, or other flammable items
[f] Sealing or coating our Products with resin or other coating materials
[g] Use of our Products without cleaning residue of flux (even if you use no-clean type fluxes, cleaning residue of
flux is recommended); or Washing our Products by using water or water-soluble cleaning agents for cleaning
residue after soldering
[h] Use of the Products in places subject to dew condensation
The Products are not subject to radiation-proof design.
Please verify and confirm characteristics of the final or mounted products in using the Products.
In particular, if a transient load (a large amount of load applied in a short period of time, such as pulse. is applied,
confirmation of performance characteristics after on-board mounting is strongly recommended. Avoid applying power
exceeding normal rated power; exceeding the power rating under steady-state loading condition may negatively affect
product performance and reliability.
De-rate Power Dissipation (Pd) depending on Ambient temperature (Ta). When used in sealed area, confirm the actual
ambient temperature.
Confirm that operation temperature is within the specified range described in the product specification.
ROHM shall not be in any way responsible or liable for failure induced under deviant condition from what is defined in
this document.
3.
4.
5.
6.
7.
8.
9.
Precaution for Mounting / Circuit board design
1.
When a highly active halogenous (chlorine, bromine, etc.) flux is used, the residue of flux may negatively affect product
performance and reliability.
In principle, the reflow soldering method must be used on a surface-mount products, the flow soldering method must
be used on a through hole mount products. If the flow soldering method is preferred on a surface-mount products,
please consult with the ROHM representative in advance.
2.
For details, please refer to ROHM Mounting specification
Notice-PAA-E
© 2015 ROHM Co., Ltd. All rights reserved.
Rev.001
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