ERA-2ARB49R9X datasheet, PDF - EEWORLD Datasheet

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ERA-2ARB49R9X: DescriptionRES SMD 49.9 OHM 0.1% 1/16W 0402; CategoryPassive components; File Size93KB，5 Pages; ManufacturerPanasonic; Websitehttp://www.panasonic.co.jp/semicon/e-index.html; Environmental Compliance

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ERA-2ARB49R9X Overview

RES SMD 49.9 OHM 0.1% 1/16W 0402

ERA-2ARB49R9X Parametric

Parameter Name	Attribute value
resistance	49.9 Ohms
Tolerance	±0.1%
Power (W)	0.063W，1/16W
component	thin film
characteristic	Automotive grade AEC-Q200
Temperature Coefficient	±10ppm/°C
Operating temperature	-55°C ~ 155°C
Package/casing	0402 (1005 Metric)
Supplier device packaging	402
size/dimensions	0.039" long x 0.020" wide (1.00mm x 0.50mm)
Height - Installation (maximum)	0.016"（0.40mm）
Number of terminals	2
failure rate	-

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Metal Film (Thin Film) Chip Resistors, High Reliability Type

Metal Film (Thin Film) Chip Resistors,

High Reliability Type

Type:

ERA 1A, 2A, 3A, 6A, 8A

Features

reliability ................ Stable at high temperature and humidity

(85 °C 85 %RH rated load, Category temperature range : –55 °C to +155 °C)

●

High accuracy ............... Small resistance tolerance and Temperature Coefﬁcient of Resistance

●

High performance ......... Low current noise, excellent linearity

●

Reference Standard ...... IEC 60115-8, JIS C 5201-8, EIAJ RC-2133B

●

AEC-Q200 qualiﬁed

●

RoHS compliant

●

High

■

As for Packaging Methods, Land Pattern, Soldering Conditions and Safety Precautions,

Please see Data Files

Explanation of Part Numbers

●

E24

Series

Product Code

Metal Film

Chip Resistors

Size, Power Rating

Code Inch Power Rating

0.05 W

0201

0.063 W

0402

0.1 W

0603

0.125 W

0805

0.25 W

1206

Temperature Coefﬁcient

T.C.R.

Code

±10×10

–6

/°C

±15×10

–6

/°C

±25×10

–6

/°C

±50×10

–6

/°C

±100×10

–6

/°C

Resistance Tolerance

Code

Tolerance

±0.05 %

±0.1 %

±0.25 %

±0.5 %

Packaging Methods

Code

Packaging

Pressed Carrier Taping

2 mm pitch, 15000 pcs.

Punched Carrier Taping

2 mm pitch, 10000 pcs.

Punched CarrierTaping

4 mm pitch, 5000 pcs.

Part No.

ERA1A

ERA2A

ERA3A

ERA6A

ERA8A

Resistance Value

Consist of three ﬁgures 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 : 1k

●

E96

Series and other Resistance values

Product Code

Metal Film

Chip Resistors

Size, Power Rating

Code Inch Power Rating

0.05 W

0201

0.063 W

0402

0.1 W

0603

0.125 W

0805

0.25 W

1206

Temperature Coefﬁcient

T.C.R.

Code

±10×10

–6

/°C

±15×10

–6

/°C

±25×10

–6

/°C

±50×10

–6

/°C

±100×10

–6

/°C

Resistance Tolerance

Code

Tolerance

±0.05 %

±0.1 %

±0.25 %

±0.5 %

Packaging Methods

Code

Packaging

Pressed Carrier Taping

2 mm pitch, 15000 pcs.

Punched Carrier Taping

2 mm pitch, 10000 pcs.

Punched CarrierTaping

4 mm pitch, 5000 pcs.

Part No.

ERA1A

ERA2A

ERA3A

ERA6A

ERA8A

Resistance Value

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 : 1.05k

note : Duplicated resistance values as E24 series part

numbers 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.

12 Sep. 2018

Surface Mount Resistors Safety precautions

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

temperatures 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 optimize 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. Before using halogen-based or other high-activity flux, check the possible effects of the flux residues on the

performance and reliability of the resistors.

5. 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.).

6. As the amount of applied solder becomes larger, the mechanical stress applied to the resistors increases, causing

problems such as cracks and faulty characteristics. Avoid applying an excessive amounts of solder.

7. 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.

8. 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.

9. Avoid excessive bending of printed circuit boards in order to protect the resistors from abnormal stress.

10. Do not immerse the resistors in solvent for a long time. Before using solvent, carefully check the effects of immersion.

11. 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

Fixed Metal (Oxide) Film Resistors mounted on your product rather than only depending on the calculated

power limit or steady-state conditions to complete the design or decide to use the resistors.

12. Do not apply excessive tension to the terminals.

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.

02 Sep. 2014

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.

• 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

(1) Precautions for use

• These products are designed and manufactured for general and standard use in general electronic equipment

(e.g. AV equipment, home electric appliances, office equipment, information and communication equipment)

• 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 Cl

, H

S, NH

, SO

, or NO

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 Environment

Avoid any environment where strong electromagnetic waves 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.

(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 Cl

, H

S, NH

, SO

, or NO

2. In direct sunlight

Package markings include the product number, quantity, and country of origin.

In principle, the country of origin should be indicated in English.

01 Sep. 2014

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