KTR18EZPJ910 Equivalent & Substitute Parts

Part Overview

The KTR18EZPJ910 is a 91 Ohm ±5% 0.25W thick film chip resistor in 1206 (3216 Metric) package manufactured by Rohm Semiconductor. This component is rated for automotive applications under AEC-Q200 and features high voltage capability with a temperature coefficient of ±200ppm/°C. The part is currently in active production status. Equivalent and substitute parts are necessary to address supply chain flexibility, design optimization for tolerance requirements, and alternative sourcing from qualified manufacturers.

Key Parameters

Parameter	Value
Resistance	91 Ohms
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	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution relationships for the KTR18EZPJ910 are determined by strict equivalence in the following parameters: resistance value (91 Ohms), tolerance (±5%), power rating (0.25W), package type (1206), composition (thick film), operating temperature range (-55°C to 155°C), and compliance certifications (ROHS3, REACH Unaffected, EAR99).

Direct substitutes maintain all electrical and mechanical specifications identical to the main part. Upgrade substitutes improve tolerance performance (±1% instead of ±5%) or temperature coefficient (±100ppm/°C instead of ±200ppm/°C) while maintaining all other parameters. Similar parts vary in specific features such as power rating, packaging format, or feature set while maintaining core electrical compatibility.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Package	Product Status	Height Max (mm)	Features
KTR18EZPJ910	Rohm Semiconductor	91 Ω	±5%	0.25	±200	1206	Active	0.65	Automotive AEC-Q200, High Voltage
CRCW120691R0JNEA	Vishay Dale	91 Ω	±5%	0.25	±200	1206	Active	0.60	Automotive AEC-Q200
ERJ-8GEYJ910V	Panasonic Electronic Components	91 Ω	±5%	0.25	±200	1206	Not For New Designs	0.70	Automotive AEC-Q200
RMCF1206JT91R0	Stackpole Electronics Inc	91 Ω	±5%	0.25	±200	1206	Active	0.70	Automotive AEC-Q200
ERJ-8ENF91R0V	Panasonic Electronic Components	91 Ω	±1%	0.25	±100	1206	Not For New Designs	0.70	Automotive AEC-Q200
RC1206FR-0791RL	YAGEO	91 Ω	±1%	0.25	±100	1206	Active	0.65	Moisture Resistant
RC1206JR-0791RL	YAGEO	91 Ω	±5%	0.25	±100	1206	Active	0.65	Moisture Resistant
RMCF1206FT91R0	Stackpole Electronics Inc	91 Ω	±1%	0.25	±100	1206	Active	0.70	Automotive AEC-Q200
CR1206-JW-910ELF	Bourns Inc.	91 Ω	±5%	0.25	±200	1206	Active	0.75	Moisture Resistant
ERJ-P08J910V	Panasonic Electronic Components	91 Ω	±5%	0.667	±200	1206	Active	0.70	Automotive AEC-Q200, Pulse Withstanding

Engineering Selection Recommendations

For direct substitution with identical electrical specifications, CRCW120691R0JNEA (Vishay Dale) and RMCF1206JT91R0 (Stackpole Electronics Inc) are both active production parts meeting AEC-Q200 automotive requirements and ROHS3 compliance.

For applications requiring improved tolerance performance, RMCF1206FT91R0 (Stackpole Electronics Inc) provides ±1% tolerance with AEC-Q200 rating and active production status. RC1206FR-0791RL (YAGEO) offers ±1% tolerance with moisture-resistant features and active status, though without automotive AEC-Q200 certification.

ERJ-8GEYJ910V (Panasonic) maintains full electrical equivalence but carries "Not For New Designs" status and should be avoided for new development. ERJ-8ENF91R0V (Panasonic) similarly has "Not For New Designs" status despite offering improved ±1% tolerance.

For applications requiring higher power dissipation capability, ERJ-P08J910V (Panasonic) provides 0.667W rating with AEC-Q200 certification in the same 1206 package, though this represents a design change rather than direct substitution.

Frequently Asked Questions (FAQ)

Q: Can CRCW120691R0JNEA replace KTR18EZPJ910 directly? A: Yes. Both parts share identical electrical specifications (91 Ω ±5%, 0.25W), 1206 package, thick film composition, and AEC-Q200 automotive rating. Physical height differs by 0.05mm (0.60mm vs 0.65mm), which is within standard PCB assembly tolerances.

Q: What is the difference between direct substitutes and upgrade substitutes? A: Direct substitutes maintain all electrical and mechanical parameters. Upgrade substitutes improve specific performance characteristics—typically tolerance (±1% vs ±5%) or temperature coefficient (±100ppm/°C vs ±200ppm/°C)—while maintaining package and core electrical compatibility.

Q: Why should ERJ-8GEYJ910V and ERJ-8ENF91R0V be avoided? A: Both parts carry "Not For New Designs" product status, indicating the manufacturer has discontinued active development. While existing inventory may be available, these parts should not be selected for new circuit designs due to long-term supply uncertainty.

Q: Is RC1206JR-0791RL suitable for automotive applications? A: RC1206JR-0791RL lacks AEC-Q200 automotive certification. While it maintains electrical equivalence (91 Ω ±5%, 0.25W) and active production status, it is not qualified for automotive use and should only be selected for non-automotive applications.

Q: Can ERJ-P08J910V be used as a direct replacement? A: No. ERJ-P08J910V has a higher power rating (0.667W vs 0.25W) and includes pulse-withstanding features. While electrically compatible in resistance and tolerance, this represents a design change and may affect circuit performance and PCB thermal characteristics.

Q: What packaging formats are available? A: All listed parts use 1206 (3216 Metric) package. CR1206-JW-910ELF and RC1206JR-0791RL are available in alternative packaging formats (Tape & Reel with Digi-Reel option for RC1206JR-0791RL), but core component specifications remain identical.

Q: Are all substitutes RoHS3 compliant? A: Yes. All listed parts maintain ROHS3 compliance and REACH Unaffected status, meeting current environmental and regulatory requirements.

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