KTR18EZPJ8R2 Equivalent & Substitute Parts

Part Overview

The KTR18EZPJ8R2 is an 8.2 Ohm ±5% 0.25W thick film chip resistor in 1206 (3216 Metric) package manufactured by Rohm Semiconductor. This automotive-grade component features AEC-Q200 certification and high voltage capability, designed for applications requiring reliable performance across -55°C to 155°C operating temperature range. The part is active in production with 1042 units currently in stock. Equivalent and substitute parts are identified based on matching resistance value, package format, power rating, and automotive compliance requirements.

Key Parameters

Parameter	Value
Resistance	8.2 Ohms
Tolerance	±5%
Power Rating	0.25W (1/4W)
Package	1206 (3216 Metric)
Composition	Thick Film
Operating Temperature	-55°C to 155°C
Automotive Rating	AEC-Q200
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the KTR18EZPJ8R2 are classified into three categories based on electrical and mechanical compatibility:

Upgrade Parts (Tighter Tolerance): Parts with ±1% tolerance provide improved precision while maintaining identical resistance value, power rating, package format, and operating temperature range. These include KTR18EZPF8R20 (Rohm Semiconductor), ERJ-8RQF8R2V (Panasonic Electronic Components), RMCF1206FT8R20 (Stackpole Electronics Inc), and RC1206FR-078R2L (YAGEO).

Direct Equivalents (Same Specifications): Parts matching all electrical parameters including ±5% tolerance, 0.25W power rating, and 1206 package. These include CRCW12068R20JNEA (Vishay Dale) and RMCF1206JT8R20 (Stackpole Electronics Inc).

Similar Parts (Higher Power Rating): ESR18EZPJ8R2 (Rohm Semiconductor) maintains identical resistance, tolerance, and package but provides 0.5W power rating for applications requiring higher power dissipation capability.

Direct Equivalents with Enhanced Features: Parts with ±5% tolerance, 0.25W rating, and 1206 package but featuring additional characteristics such as pulse withstanding or moisture resistance, including SR1206JR-078R2L (YAGEO) and RC1206JR-078R2L (YAGEO).

Key parameters determining substitution eligibility: resistance value (8.2 Ohms), package format (1206), power rating (0.25W minimum), operating temperature range (-55°C to 155°C), and RoHS3 compliance.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff	AEC-Q200	Features	Inventory
KTR18EZPJ8R2	Rohm Semiconductor	8.2 Ω	±5%	0.25	±200ppm/°C	Yes	High Voltage	1042
KTR18EZPF8R20	Rohm Semiconductor	8.2 Ω	±1%	0.25	±100ppm/°C	Yes	High Voltage	9182
ESR18EZPJ8R2	Rohm Semiconductor	8.2 Ω	±5%	0.5	±200ppm/°C	Yes	Pulse Withstanding	11854
CRCW12068R20JNEA	Vishay Dale	8.2 Ω	±5%	0.25	±200ppm/°C	Yes	Standard	21214
RMCF1206JT8R20	Stackpole Electronics Inc	8.2 Ω	±5%	0.25	±200ppm/°C	Yes	Standard	93009
ERJ-8RQF8R2V	Panasonic Electronic Components	8.2 Ω	±1%	0.25	±200ppm/°C	Yes	Current Sense	11464
RC1206FR-078R2L	YAGEO	8.2 Ω	±1%	0.25	±200ppm/°C	No	Moisture Resistant	5580
RMCF1206FT8R20	Stackpole Electronics Inc	8.2 Ω	±1%	0.25	±200ppm/°C	Yes	Standard	47157
AC1206FR-078R2L	YAGEO	8.2 Ω	±1%	0.25	±200ppm/°C	Yes	Moisture Resistant	6524
RC1206JR-078R2L	YAGEO	8.2 Ω	±5%	0.25	±200ppm/°C	No	Moisture Resistant	87369
SR1206JR-078R2L	YAGEO	8.2 Ω	±5%	0.25	±200ppm/°C	Yes	Pulse Withstanding	10770

Engineering Selection Recommendations

For applications requiring AEC-Q200 automotive certification with identical specifications to KTR18EZPJ8R2, select from CRCW12068R20JNEA (Vishay Dale) or RMCF1206JT8R20 (Stackpole Electronics Inc), both offering high inventory availability and direct electrical equivalence.

For applications where improved tolerance performance is acceptable, KTR18EZPF8R20 (Rohm Semiconductor), RMCF1206FT8R20 (Stackpole Electronics Inc), or ERJ-8RQF8R2V (Panasonic Electronic Components) provide ±1% tolerance with maintained AEC-Q200 compliance and 0.25W power rating.

For applications requiring enhanced pulse withstanding capability, ESR18EZPJ8R2 (Rohm Semiconductor) or SR1206JR-078R2L (YAGEO) maintain the 8.2 Ohm resistance and ±5% tolerance while providing pulse withstanding features. ESR18EZPJ8R2 offers 0.5W power rating; SR1206JR-078R2L maintains 0.25W rating with AEC-Q200 certification.

For applications where moisture resistance is required, AC1206FR-078R2L (YAGEO) provides ±1% tolerance with AEC-Q200 certification and moisture resistant construction. RC1206FR-078R2L (YAGEO) offers moisture resistance with ±1% tolerance but without AEC-Q200 rating.

All substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) rating, ensuring compatibility with standard manufacturing processes.

Frequently Asked Questions (FAQ)

Q: Can KTR18EZPF8R20 directly replace KTR18EZPJ8R2?

A: Yes. KTR18EZPF8R20 is a direct substitute with identical 8.2 Ohm resistance, 0.25W power rating, 1206 package, and AEC-Q200 certification. The primary difference is improved ±1% tolerance versus ±5%, and reduced temperature coefficient (±100ppm/°C versus ±200ppm/°C), making it suitable for precision applications.

Q: What is the difference between direct equivalents and upgrade parts?

A: Direct equivalents (CRCW12068R20JNEA, RMCF1206JT8R20) match all electrical specifications including ±5% tolerance. Upgrade parts (KTR18EZPF8R20, RMCF1206FT8R20, ERJ-8RQF8R2V, RC1206FR-078R2L, AC1206FR-078R2L) provide tighter ±1% tolerance for improved precision while maintaining other parameters.

Q: Is ESR18EZPJ8R2 compatible with KTR18EZPJ8R2?

A: ESR18EZPJ8R2 is compatible for applications where higher power dissipation is acceptable. It maintains 8.2 Ohm resistance, ±5% tolerance, and 1206 package, but provides 0.5W power rating instead of 0.25W. Physical dimensions remain identical.

Q: Which substitute parts maintain AEC-Q200 certification?

A: All substitute parts except RC1206FR-078R2L and RC1206JR-078R2L maintain AEC-Q200 certification. For automotive applications requiring this certification, select from KTR18EZPF8R20, ESR18EZPJ8R2, CRCW12068R20JNEA, RMCF1206JT8R20, ERJ-8RQF8R2V, RMCF1206FT8R20, AC1206FR-078R2L, or SR1206JR-078R2L.

Q: Are there inventory considerations when selecting substitutes?

A: RMCF1206JT8R20 offers the highest inventory (93009 units), followed by RC1206JR-078R2L (87369 units) and CRCW12068R20JNEA (21214 units). KTR18EZPJ8R2 has 1042 units available. Inventory levels should be evaluated based on project timeline and volume requirements.

Q: Do all substitute parts have identical physical dimensions?

A: All parts use 1206 (3216 Metric) package with 0.126" length and 0.063" width. Height variations exist: most parts measure 0.026" to 0.028" seated height. CRCW12068R20JNEA has 0.024" maximum seated height. These minor variations do not affect PCB layout compatibility.

Q: What is the significance of moisture resistant features in RC1206FR-078R2L and AC1206FR-078R2L?

A: Moisture resistant construction provides enhanced protection in high-humidity environments. RC1206FR-078R2L and AC1206FR-078R2L both feature this capability. AC1206FR-078R2L additionally maintains AEC-Q200 certification, making it suitable for automotive applications in humid conditions.

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