KTR18EZPJ164 Equivalent & Substitute Parts

Part Overview

The KTR18EZPJ164 is a 160 kOhms ±5% thick film chip resistor in 1206 (3216 Metric) package rated for 0.25W power dissipation. Manufactured by Rohm Semiconductor, this component meets Automotive AEC-Q200 specifications and operates across -55°C to 155°C. The part is currently active in production with 961 units in stock.

Substitute parts are necessary when the original part becomes unavailable, when design requirements demand tighter tolerance specifications, or when alternative packaging formats are required for manufacturing optimization.

Key Parameters

Parameter	Value
Resistance	160 kOhms
Tolerance	±5%
Power Rating	0.25W (1/4W)
Package	1206 (3216 Metric)
Composition	Thick Film
Temperature Coefficient	±200ppm/°C
Operating Temperature Range	-55°C to 155°C
Automotive Rating	AEC-Q200
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	MSL 1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following criteria:

Primary Compatibility Requirements:

Resistance value: 160 kOhms (exact match required)
Package format: 1206 (3216 Metric) (exact match required)
Power rating: 0.25W minimum (equal or higher acceptable)
Operating temperature range: -55°C to 155°C minimum (equal or wider acceptable)
Composition: Thick Film

Secondary Compatibility Criteria:

Tolerance: ±5% (tighter tolerance ±1% parts are upgrades and fully compatible)
Temperature coefficient: ±200ppm/°C or better (±100ppm/°C represents improvement)
Automotive AEC-Q200 rating: Required for automotive applications; non-rated parts suitable for general industrial use
RoHS3 compliance: All listed substitutes maintain compliance

Substitution Categories:

Direct Equivalents (Same Tolerance): Parts matching ±5% tolerance with identical electrical specifications.

Upgrade Substitutes (Tighter Tolerance): Parts with ±1% tolerance offering improved accuracy while maintaining all other parameters.

Alternative Manufacturers: Parts from different manufacturers meeting identical electrical and mechanical specifications.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power	Temp Coeff	AEC-Q200	Package	Status
KTR18EZPJ164	Rohm Semiconductor	160 kΩ	±5%	0.25W	±200ppm/°C	Yes	1206	Active
KTR18EZPF1603	Rohm Semiconductor	160 kΩ	±1%	0.25W	±100ppm/°C	Yes	1206	Active
MCR18ERTF1603	Rohm Semiconductor	160 kΩ	±1%	0.25W	±100ppm/°C	No	1206	Discontinued
ERJ-8GEYJ164V	Panasonic Electronic Components	160 kΩ	±5%	0.25W	±200ppm/°C	Yes	1206	Not For New Designs
RMCF1206JT160K	Stackpole Electronics Inc	160 kΩ	±5%	0.25W	±200ppm/°C	Yes	1206	Active
ERJ-8ENF1603V	Panasonic Electronic Components	160 kΩ	±1%	0.25W	±100ppm/°C	Yes	1206	Not For New Designs
RC1206FR-07160KL	YAGEO	160 kΩ	±1%	0.25W	±100ppm/°C	No	1206	Active
RC1206JR-07160KL	YAGEO	160 kΩ	±5%	0.25W	±100ppm/°C	No	1206	Active
RMCF1206FT160K	Stackpole Electronics Inc	160 kΩ	±1%	0.25W	±100ppm/°C	Yes	1206	Active

Engineering Selection Recommendations

For Automotive Applications (AEC-Q200 Required):

Select from active production parts with AEC-Q200 certification: KTR18EZPF1603, RMCF1206JT160K, RMCF1206FT160K, or ERJ-8GEYJ164V. KTR18EZPF1603 and RMCF1206FT160K are preferred as both maintain active production status and offer ±1% tolerance upgrade with improved temperature coefficient (±100ppm/°C).

For General Industrial Applications:

RC1206FR-07160KL and RC1206JR-07160KL from YAGEO provide active production alternatives with moisture-resistant thick film composition. RC1206FR-07160KL offers ±1% tolerance; RC1206JR-07160KL matches the original ±5% tolerance.

For Tolerance-Critical Designs:

Upgrade to ±1% tolerance parts: KTR18EZPF1603, MCR18ERTF1603, ERJ-8ENF1603V, RC1206FR-07160KL, or RMCF1206FT160K. These provide tighter accuracy with temperature coefficients of ±100ppm/°C.

Parts to Avoid for New Designs:

MCR18ERTF1603 and ERJ-8ENF1603V are discontinued at DiGi Electronics and marked "Not For New Designs." Use only for legacy system maintenance or when existing inventory is available.

Frequently Asked Questions (FAQ)

Q: Can I substitute a ±1% tolerance part for the original ±5% part?

A: Yes. ±1% tolerance parts are direct upgrades. They provide tighter accuracy while maintaining all other electrical and mechanical specifications. No circuit redesign is required.

Q: Are all substitute parts compatible with automotive applications?

A: No. Only parts with AEC-Q200 certification are suitable for automotive use. YAGEO RC1206 series and MCR18ERTF1603 lack this rating and are restricted to general industrial applications.

Q: What is the difference between Tape & Reel and Cut Tape packaging?

A: Both are surface-mount compatible formats. Tape & Reel (TR) is standard for high-volume automated assembly. Cut Tape (CT) is used for lower volumes or manual placement. Electrical performance is identical.

Q: Can I use ERJ-8GEYJ164V or ERJ-8ENF1603V in new designs?

A: These Panasonic parts are marked "Not For New Designs." They remain available in inventory but should not be selected for new product development. Use KTR18EZPF1603, RMCF1206FT160K, or RC1206FR-07160KL instead.

Q: What does AEC-Q200 certification mean?

A: AEC-Q200 is the Automotive Electronics Council qualification standard for passive components. It ensures the part meets automotive reliability, temperature cycling, and failure rate requirements. Required for all automotive circuit applications.

Q: Are all listed parts RoHS3 compliant?

A: Yes. All substitute parts listed maintain ROHS3 compliance and are suitable for applications requiring lead-free manufacturing.

Q: Does temperature coefficient affect my circuit design?

A: Temperature coefficient determines resistance drift across temperature ranges. The original part has ±200ppm/°C; upgrade parts offer ±100ppm/°C. For precision analog circuits, tighter coefficients reduce temperature-induced errors. For digital logic applications, the difference is typically negligible.

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