Metal Film (Thin Film) Chip Resistors, High Reliability Type
Metal Film (Thin Film) Chip Resistors,
High Reliability Type
Series: ERA 1A, 2A, 3A, 6A, 8A
● High reliability………
Stable at high temperature and humidity
(85 °C 85 %RH rated load, Category temperature range : –55 °C to +155 °C)
● High accuracy………
Low resistance tolerance and Temperature Coefficient of Resistance
● High performance…
Low current noise, excellent linearity
● Reference Standard……
IEC 60115-8, JIS C 5201-8, JEITA RC-2133C
● AEC-Q200 compliant (except ERA1A)
● RoHS compliant
■ As for Packaging Methods, Land Pattern, Soldering Conditions and Safety Precautions,
Please see Data Files
1T ERJS02 ～ ERJS1Tシリーズ
● E24 Series
Thin Film
Chip Resistors
● E96 Series and other Resistance values
Thin Film
Chip Resistors
Note : Duplicated resistance values as E24 series part umbers shall follow E24 part numbers.
(apply three digit resistance value)
Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use.
Should a safety concern arise regarding this product, please be sure to contact us immediately.
8-Jun-20
Explanation of Part Numbers
for E24 series
resistance value.
The first two digits are
significant figures of
resistance and the third
one denotes number of
zeros following.
(example) 102 : 1 kΩ
ERA3A
ERA6A
ERA8A
±0.5 % 2 mm pitch, 10,000 pcs
8A 1206 0.25 W K±100×10-6/K
V
±0.25 % X
ERA2A
6A 0805 0.125 W H
±50×10-6/K
D
3A 0603 0.1 W E
±25×10-6/K
C
0402
0.063 W
P
±15×10
-6
/K
B
±0.1 %
1A 0201 0.05 W R±10×10-6/K W±0.05 % C
Packaging Methods
T.C.R. Code Packaging
ERA3A
ERA6A
ERA8A
4 mm pitch, 5,000 pcs
Product Code Size, Power Rating Temp. Coefficient Resistance Value
Part No.
8A 1206 0.25 W K
±100×10-6/K
V
Consist of four figures
for E96 series
resistance value.
The first three digits
are significant figures
of resistance and the
fourth one denotes
number of zeros
following.
(example)
1051 : 1.05 kΩ
ERA1A
2A
±0.25 % X
ERA2A
6A 0805 0.125 W H
±50×10-6/K
D ±0.5 %
C
Packaging Methods
Code Packaging Part No.
1A 0201 0.05 W R
±10×10-6/K
T.C.R.
W±0.05 % C
ERA1A
2A
0402
0.063 W
P
±15×10
-6
/K
B
±0.1 %
2 mm pitch, 15,000 pcs
Resistance Tolerance
Code Tolerance
Code
Resistance Tolerance
Code Tolerance
Features
Code inch size Power Rating
Code inch size Power Rating
Code
Product Code
Size, Power Rating
3A 0603 0.1 W E±25×10-6/K
1
2
3
4
5
6
7
8
9
10
11
E
R
A
3
A
E
B
1
0
2
V
1 2 3 4 5 6 7
8
910 11 12
E
R
A
3
A
E
B
1
0
5
1
V
Metal Film (Thin Film) Chip Resistors, High Reliability Type
±0.1
±0.25
±0.25
±0.1
±0.05
±0.5
±0.5
±0.25
±0.1
±0.25
±0.1
±0.25
±0.1
±0.5
±0.5
±0.25
±0.1
±0.25
±0.1
±0.25
±0.1
±0.05
±0.5
±0.5
±0.25
±0.1
±0.25
±0.1
±0.25
±0.1
±0.05
±0.5
±0.5
±0.25
±0.1
±0.25
±0.1
±0.25
±0.1
±0.05
(1) Use it on the condition that the case temperature is below the upper category temperature.
(2) Rated Continuous Working Voltage (RCWV) shall be determined from RCWV=√Power Rating × Resistance Values,
or Limiting Element Voltage listed above, whichever less.
(3) Overload Test Voltage (OTV) shall be determined from OTV=Specified Magnification (2.5) × RCWV or Maximum Overload
Voltage listed above, whichever less.
(4) E192 series resistance values are also available. Please contact us for details.
(5) Duplicated resistance values between E96, E192 and E24 series shall follow E24 Part Numbers. (apply three digit resistance value)
Power Derating Curve
For resistors operated in ambient temperatures
above 85 °C, power rating shall be derated in
accordance with the figure on the right.
Part No.
(detail）
150
200
ERA3APC
ERA3APB
ERA1AEB
ERA1AEC
ERA1ARC
ERA1ARB
ERA1ARW
ERA2AKD
ERA2AED
ERA2AEC
Limiting
Element
Voltage
(2)
Maximum
Overload
Voltage
(3)
ERA8AED
ERA8AEC
ERA8AEB
ERA8APC
ERA8APB
ERA8ARC
(×10
-6
/K)
Resistance
Tolerance
(%)
±25
ERA2AEB
ERA2APC
ERA2APB
ERA2ARC
ERA2ARB
ERA3AHD
ERA3AED
ERA3AEC
ERA3AEB
(V)
50
100
ERA8ARW
ERA3ARC
ERA3ARB
ERA3ARW
ERA6AHD
ERA6AED
ERA6AEC
ERA6AEB
ERA6APC
ERA6APB
ERA8AHD
ERA8ARB
100 to 10 k
100 to 10 k
1 k to 10 k
10 to 46.4
47 to 100 k
200 to 47 k
200 to 47 k
±15
1 k to 100 k
±15
Resistance
Range(4)(5)
±10
±50
±25 47 to 1 M
470 to 100 k
ERA6ARW
10 to 46.4
at 85 °C(1)
(W)
T.C.R.
47 to 330 k
470 to 100 k
Power Rating
10 to 46.4
1 k to 100 k
(Ω）
±25
±10
±100
±25
±15
±10
±50
(E24,E96)
(E24,E96)
(E24,E96)
(E24,E96)
(E24,E96)
(E24,E96)
(E24,E96)
(E24,E96)
(E24,E96)
(E24,E96)
(E24,E96)
(E24,E96)
(E24,E96)
(E24,E96)
(E24,E96)
Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use.
Should a safety concern arise regarding this product, please be sure to contact us immediately.
8-Jun-20
ERA8A
(1206) Grade 0
470 to 100 k
1 k to 100 k
Grade 0
±25
±15
±10
±10
±50
300
100
150
0.125
0.25
10 to 46.4
47 to 1 M
ERA6ARC
ERA6ARB
(E24,E96)
Ratings
Part No.
(inch size)
AEC-Q200
Grade
-
ERA6A
(0805)
ERA1A
(0201)
ERA2A
(0402)
ERA3A
(0603) Grade 0
Grade 1
Category
Temperature
Range
(℃)
(E24,E96)
(E24,E96)
(E24,E96)
(V)
25
75
50
0.05
0.063
0.1
–55 to +155
-60 -20 0 20 60
20
40
60
80
100
80
100
140 180
-55 ℃ 85 ℃
0
155
℃
-40 40
160
120
Rated Load (%)
Ambient Temperature (°C)
Metal Film (Thin Film) Chip Resistors, High Reliability Type
*0201/0402 size or E96 series do not have value markings.
0.15±0.05
0.15±0.05
ERA2A
Should a safety concern arise regarding this product, please be sure to contact us immediately.
8-Jun-20
Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use.
ERA1A
0.60±0.03
0.30±0.03
0.23±0.03
0.14
0.35±0.05 0.61.00±0.10 0.50+0.10/-0.05 0.15±0.10
Construction
Dimensions in mm (not to scale)
Mass (Weight)
Part No.
Dimensions (mm)
LW a b T (g/1000 pcs)
0.25±0.10
0.45±0.10
2
ERA6A
2.00±0.20
1.25±0.10
0.40±0.25
0.40±0.25
0.50±0.10
4
ERA3A
1.60±0.20
0.80±0.20
0.30±0.20
0.30±0.20
0.60±0.10
8
ERA8A
3.20±0.20
1.60+0.05/-0.15
0.50±0.25
0.50±0.25
L
W
a
b
T
Electrode (Inner)
Alumina substrate
Protective coating
High reliability metal film Electrode (Outer)
Electrode (Between)
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Fixed Resistors
Safety Precautions (Common precautions for Fixed Resistors)
• When using our products, no matter what sort of equipment they might be used for, be sure to make a written
agreement on the specifications with us in advance. The design and specifications in this catalog are subject to
change without prior notice.
• Do not use the products beyond the specifications described in this catalog.
• This catalog explains the quality and performance of the products as individual components. Before use, check
and evaluate their operations when installed in your products under the actual conditions for use.
• Install the following systems for a failsafe design to ensure safety if these products are to be used in equipment
where a defect in these products may cause the loss of human life or other significant damage, such as
damage to vehicles (automobile, train, vessel), traffic lights, medical equipment, aerospace equipment,
electric heating appliances, combustion/gas equipment, rotating equipment, and disaster/crime prevention
equipment.
✽ Systems equipped with a protection circuit and a protection device.
✽ Systems equipped with a redundant circuit or other system to prevent an unsafe status in the event of a single
fault.
✽ Systems equipped with an arresting the spread of fire or preventing glitch.
(1) Precautions for use
• These products are designed and manufactured for general and standard use in general elec tron ic equipment.
(e.g. AV equipment, home electric appliances, office equipment, information and communication equipment)
For applications in which special quality and reliability are required, or if the failure or malfunction of the
products may directly jeopardize life or cause threat of personal injury (such as for aircraft and aerospace
equipment, traffic and transport equipment, combustion equipment, medical equipment, accident prevention
and anti-theft devices, and safety equipment), please be sure to consult with our sales representative in
advance and to exchange product specifications which conform to such applications.
• These products are not intended for use in the following special conditions. Before using the products, carefully
check the effects on their quality and performance, and determine whether or not they can be used.
1. In liquid, such as water, oil, chemicals, or organic solvent.
2. In direct sunlight, outdoors, or in dust.
3. In salty air or air with a high concentration of corrosive gas, such as Cl2，H2S，NH3，SO2，or NOX .
4. Electric Static Discharge (ESD) Environment.
These components are sensitive to static electricity and can be damaged under static shock (ESD).
　　 Please take measures to avoid any of these environments.
Smaller components are more sensitive to ESD environment.
5. Electromagnetic and Radioactive Environment.
Avoid any environment where strong electromagnetic waves and radiation exist.
6. In an environment where these products cause dew condensation.
7. Sealing or coating of these products or a printed circuit board on which these products are mounted, with
resin or other materials.
• These products generate Joule heat when energized. Carefully position these products so that their heat will
not affect the other components.
• Carefully position these products so that their temperatures will not exceed the category temperature range
due to the effects of neighboring heat-generating components. Do not mount or place heat-generating
components or inflammables, such as vinyl-coated wires, near these products.
• Note that non-cleaning solder, halogen-based highly active flux, or water-soluble flux may deteriorate the
performance or reliability of the products.
• Carefully select a flux cleaning agent for use after soldering. An unsuitable agent may deteriorate the
performance or reliability. In particular, when using water or a water-soluble cleaning agent, be careful not to
leave water residues. Otherwise, the insulation performance may be deteriorated.
• Do not apply flux to these products after soldering. The activity of flux may be a cause of failures in these
products.
• Refer to the recommended soldering conditions and set the soldering condition. High peak temperature or
long heating time may impair the performance or the reliability of these products.
• Recommended soldering condition is for the guideline for ensuring the basic characteristics of the products,
not for the stable soldering conditions. Conditions for proper soldering should be set up according to individual
conditions.
01-Oct-19
Fixed Resistors
• Do not reuse any products after removal from mounting boards.
• Do not drop these products. If these products are dropped, do not use them. Such products may have
received mechanical or electrical damage.
• If any doubt or concern to the safety on these products arise, make sure to inform us immediately and
conduct technical examinations at your side.
(2) Precautions for storage
The performance of these products, including the solderability, is guaranteed for a year from the date of
arrival at your company, provided that they remain packed as they were when delivered and stored at
a temperature of 5 °C to 35 °C and a relative humidity of 45 % to 85 %.
Even within the above guarantee periods, do not store these products in the following conditions.
Otherwise, their electrical performance and/or solderability may be deteriorated, and the packaging
materials (e.g. taping materials) may be deformed or deteriorated, resulting in mounting failures.
1. In salty air or in air with a high concentration of corrosive gas, such as Cl2，H2S，NH3，SO2，or NOX .
2. In direct sunlight.
(3) AEC-Q200 Compliant
The products are tested based on all or part of the test conditions and methods defined in AEC-Q200.
Please consult with Panasonic for the details of the product specification and specific evaluation test results,
etc., and please review and approve Panasonic's product specification before ordering.
＜Package markings＞
Package markings include the product number, quantity, and country of origin.
In principle, the country of origin should be indicated in English.
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Surface Mount Resistors
Safety Precautions (Common precautions for Surface Mount Resistors)
The following are precautions for individual products. Please also refer to the common precautions for Fixed
Resistors in this catalog.
1. Take measures against mechanical stress during and after mounting of Surface Mount Resistors
(hereafter called the resistors) so as not to damage their electrodes and protective coatings.
Be careful not to misplace the resistors on the land patterns. Otherwise, solder bridging may occur.
2. Keep the rated power and ambient temperature within the specified derating curve.
Some circuit boards, wiring patterns, temperatures of heat generated by adjacent components, or
ambient temper a tures can become factors in the rise of the temperature of the resistors, regardless of
the level of power applied. Therefore, check the conditions before use and op timize them so as not to
damage the boards and peripheral components.
Make sure to contact us before using the resistors under special conditions.
3.
If a transient load (heavy load in a short time) like a pulse is expected to be applied, check and evaluate
the operations of the resistors when installed in your products before use. Never exceed the rated power.
Otherwise, the performance and/or reliability of the resistors may be impaired.
4.
Transient voltage
If there is a possibility that the transient phenomenon (significantly high voltage applied in a short time)
may occur or that a high voltage pulse may be applied, make sure to evaluate and check the
characteristics of resistors mounted on your product rather than only depending on the calculated power
limit or steady-state conditions.
5. If the resistors are to be used in high frequency circuits, carefully check the operation before use.
Such circuits change the electrical characteristics of the resistors.
6.
performance and reliability of the resistors.
7. When soldering with a soldering iron, never touch the resistors'bodies with the tip of the soldering iron.
When using a soldering iron with a high temperature tip, finish soldering as quickly as possible
(within three seconds at 350 °C max.).
8.
Mounting of the resistors with excessive or insufficient wetting amount of solder may affect the
connection reliability or the performance of the resistors. Carefully check the effects and apply a proper
amount of solder for use.
9. When the resistors' protective coatings are chipped, flawed, or removed, the characteristics of the
resistors may be impaired. Take special care not to apply mechanical shock during automatic mounting
or cause damage during handling of the boards with the resistors mounted.
10.
Do not apply shock to the resistors or pinch them with a hard tool (e.g. pliers and tweezers). Otherwise,
the resistors' protective coatings and bodies may be chipped, affecting their performance.
11.
Avoid excessive bending of printed circuit boards in order to protect the resistors from abnormal stress.
12.
Do not immerse the resistors in solvent for a long time.
Before using solvent, carefully check the effects of immersion.
13.
Do not apply excessive tension to the terminals.
Before using halogen-based or other high-activity flux, check the possible effects of the flux residues on the
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