ERA-2AEB183X Equivalent & Substitute Parts

Part Overview

The ERA-2AEB183X is an 18 kOhms ±0.1% precision thin film chip resistor in 0402 (1005 Metric) package manufactured by Panasonic Electronic Components. This surface mount device is rated for 0.063W (1/16W) power dissipation and meets Automotive AEC-Q200 standards. The part is currently in active production status with 7481 units in stock. Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance certifications align with application requirements.

Key Parameters

Parameter	Value
Resistance	18 kOhms
Tolerance	±0.1%
Power Rating	0.063W (1/16W)
Composition	Thin Film
Package	0402 (1005 Metric)
Temperature Coefficient	±25ppm/°C
Operating Temperature Range	-55°C ~ 155°C
Automotive Rating	AEC-Q200
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the ERA-2AEB183X is determined by the following critical parameters:

Mandatory Matching Parameters:

Resistance value: 18 kOhms
Tolerance: ±0.1%
Package type: 0402 (1005 Metric)
Composition: Thin Film
Temperature coefficient: ±25ppm/°C
RoHS3 compliance
MSL rating: 1 (Unlimited)

Allowable Variations:

Power rating: 0.063W minimum (higher ratings acceptable)
Operating temperature range: -55°C minimum to 155°C maximum (extended ranges acceptable)
Automotive AEC-Q200 certification: Not required for non-automotive applications
Physical height: Variations within 0.016" (0.40mm) maximum seated height
Packaging format: Cut Tape (CT) or Tape & Reel (TR) formats are interchangeable

All identified substitute parts meet or exceed the mandatory parameters of the ERA-2AEB183X.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff	Op. Temp Range	AEC-Q200	Height Max (mm)	Packaging	Stock (Pcs)
ERA-2AEB183X	Panasonic	18 kΩ	±0.1%	0.063	±25ppm/°C	-55 ~ 155°C	Yes	0.40	CT	7481
CPF0402B18KE1	TE Connectivity	18 kΩ	±0.1%	0.063	±25ppm/°C	-55 ~ 155°C	No	0.35	TR	61513
MCS04020D1802BE000	Vishay Beyschlag	18 kΩ	±0.1%	0.063	±25ppm/°C	-55 ~ 125°C	No	0.37	TR	1051
RG1005P-183-B-T5	Susumu	18 kΩ	±0.1%	0.063	±25ppm/°C	-55 ~ 155°C	Yes	0.40	TR	107549
RT0402BRD0718KL	YAGEO	18 kΩ	±0.1%	0.063	±25ppm/°C	-55 ~ 155°C	No	0.35	TR	33656
TNPW040218K0BEED	Vishay Dale	18 kΩ	±0.1%	0.13	±25ppm/°C	-55 ~ 175°C	Yes	0.40	CT	25100

Engineering Selection Recommendations

For Automotive AEC-Q200 Applications: RG1005P-183-B-T5 (Susumu) and TNPW040218K0BEED (Vishay Dale) maintain full AEC-Q200 certification matching the original ERA-2AEB183X specification. RG1005P-183-B-T5 provides highest inventory availability at 107,549 units with identical operating temperature range (-55°C ~ 155°C). TNPW040218K0BEED offers extended temperature capability to 175°C with doubled power rating (0.13W).

For General Industrial Applications: CPF0402B18KE1 (TE Connectivity), MCS04020D1802BE000 (Vishay Beyschlag), and RT0402BRD0718KL (YAGEO) are suitable where AEC-Q200 certification is not required. All maintain identical electrical specifications and RoHS3 compliance. RT0402BRD0718KL offers strong inventory position at 33,656 units. CPF0402B18KE1 provides maximum stock availability at 61,513 units.

For Extended Temperature Applications: TNPW040218K0BEED extends operating range to 175°C and provides 2x power rating headroom, suitable for high-temperature environments while maintaining all other specifications.

For Constrained PCB Layouts: CPF0402B18KE1 and RT0402BRD0718KL offer reduced seated height (0.35mm) compared to the original 0.40mm specification, beneficial for space-constrained designs.

Frequently Asked Questions (FAQ)

Q: Can I substitute ERA-2AEB183X with a part that has higher power rating? A: Yes. Parts with power ratings of 0.13W (such as TNPW040218K0BEED) are direct substitutes. Higher power ratings provide additional thermal margin without affecting electrical performance in the circuit.

Q: What is the difference between Cut Tape (CT) and Tape & Reel (TR) packaging? A: Both formats contain identical components. Cut Tape is supplied in smaller quantities on individual tape strips, while Tape & Reel is supplied on continuous reels for automated assembly. Selection depends on production volume and assembly equipment compatibility.

Q: Is AEC-Q200 certification required for my application? A: AEC-Q200 is mandatory for automotive applications. For industrial, consumer, or non-automotive applications, parts without this certification (CPF0402B18KE1, MCS04020D1802BE000, RT0402BRD0718KL) are fully qualified substitutes.

Q: Why does MCS04020D1802BE000 have a lower maximum operating temperature (125°C vs 155°C)? A: This represents a design specification difference from the manufacturer. For applications requiring operation above 125°C, select alternatives with -55°C ~ 155°C or -55°C ~ 175°C ranges.

Q: Are all substitute parts RoHS3 compliant? A: Yes. All listed substitute parts maintain ROHS3 compliance matching the original ERA-2AEB183X specification.

Q: Can I use TNPW040218K0BEED as a direct replacement in existing designs? A: Yes. TNPW040218K0BEED is electrically and mechanically compatible. The increased power rating (0.13W vs 0.063W) and extended temperature range (to 175°C) provide enhanced performance margins without requiring design changes.

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