Equivalent & Substitute Parts for KTR18EZPJ271

Part Overview

The KTR18EZPJ271 is a 270 Ohm ±5% 0.25W (1/4W) thick film chip resistor in 1206 (3216 Metric) package manufactured by Rohm Semiconductor. This part is AEC-Q200 automotive qualified with high voltage capability and operates across -55°C to 155°C. The part is currently active in production with 1,081 pieces in stock.

Equivalent and substitute parts are necessary when the primary part becomes unavailable, when design requirements demand higher tolerance specifications, when different power ratings are needed, or when alternative packaging formats are required for manufacturing optimization.

Key Parameters

Parameter	Value
Resistance	270 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 KTR18EZPJ271 are determined by the following critical parameters:

Direct Equivalents maintain all electrical specifications: 270 Ohms resistance, ±5% tolerance, 0.25W power rating, 1206 package, thick film composition, ±200ppm/°C temperature coefficient, and -55°C to 155°C operating range. These parts differ only in manufacturer, series designation, or packaging format (Tape & Reel versus Cut Tape).

Upgrade Substitutes improve tolerance from ±5% to ±1% while maintaining all other electrical and mechanical parameters. These parts feature reduced temperature coefficient (±100ppm/°C) and are suitable when design margins require tighter resistance tolerance.

Similar Alternatives increase power rating from 0.25W to 0.5W while preserving all other specifications including resistance, tolerance, package, and temperature range. These parts provide enhanced power dissipation capability in the same physical footprint.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Package	AEC-Q200	Product Status	Packaging Format
KTR18EZPJ271	Rohm Semiconductor	270 Ω	±5%	0.25	±200	1206	Yes	Active	Tape & Reel
MCR18ERTJ271	Rohm Semiconductor	270 Ω	±5%	0.25	±200	1206	No	Discontinued	Cut Tape & Digi-Reel
KTR18EZPF2700	Rohm Semiconductor	270 Ω	±1%	0.25	±100	1206	Yes	Active	Tape & Reel
MCR18ERTF2700	Rohm Semiconductor	270 Ω	±1%	0.25	±100	1206	No	Discontinued	Cut Tape & Digi-Reel
ESR18EZPJ271	Rohm Semiconductor	270 Ω	±5%	0.5	±200	1206	Yes	Active	Tape & Reel
CRCW1206270RJNEA	Vishay Dale	270 Ω	±5%	0.25	±200	1206	Yes	Active	Tape & Reel
ERJ-8GEYJ271V	Panasonic Electronic Components	270 Ω	±5%	0.25	±200	1206	Yes	Not For New Designs	Tape & Reel
RMCF1206JG270R	Stackpole Electronics Inc	270 Ω	±5%	0.25	±200	1206	Yes	Active	Cut Tape
RMCF1206JT270R	Stackpole Electronics Inc	270 Ω	±5%	0.25	±200	1206	Yes	Active	Tape & Reel
CR1206-FX-2700ELF	Bourns Inc.	270 Ω	±1%	0.25	±100	1206	No	Active	Tape & Reel
CRG1206F270R	TE Connectivity Passive Product	270 Ω	±1%	0.25	±100	1206	No	Active	Tape & Reel

Engineering Selection Recommendations

For Direct Replacement (Same Specifications): CRCW1206270RJNEA (Vishay Dale) and RMCF1206JT270R (Stackpole Electronics Inc) are active production parts with identical electrical and mechanical specifications to KTR18EZPJ271. Both maintain AEC-Q200 automotive qualification, ±5% tolerance, 0.25W power rating, and full operating temperature range. CRCW1206270RJNEA offers the highest inventory availability (41,947 pieces).

For Tolerance Upgrade (±1% Specification): KTR18EZPF2700 (Rohm Semiconductor) provides tighter tolerance with reduced temperature coefficient (±100ppm/°C versus ±200ppm/°C) while maintaining AEC-Q200 qualification and active production status. CR1206-FX-2700ELF (Bourns Inc.) and CRG1206F270R (TE Connectivity) offer equivalent ±1% tolerance specifications with active status, though without AEC-Q200 automotive rating.

For Higher Power Dissipation: ESR18EZPJ271 (Rohm Semiconductor) doubles the power rating to 0.5W in the same 1206 package footprint while maintaining all other specifications including ±5% tolerance and AEC-Q200 qualification. This part is suitable when thermal margin requirements exceed the 0.25W capability.

Avoid for New Designs: ERJ-8GEYJ271V (Panasonic Electronic Components) carries "Not For New Designs" status despite meeting all electrical specifications. MCR18ERTJ271 and MCR18ERTF2700 (Rohm Semiconductor) are discontinued at DiGi Electronics and should not be selected for new applications.

Frequently Asked Questions (FAQ)

Q: Can I use CRCW1206270RJNEA as a direct replacement for KTR18EZPJ271? A: Yes. Both parts share identical electrical specifications (270 Ohms ±5%, 0.25W), package (1206), composition (thick film), temperature coefficient (±200ppm/°C), operating range (-55°C to 155°C), and AEC-Q200 automotive qualification. The only difference is manufacturer (Vishay Dale versus Rohm Semiconductor).

Q: What is the difference between the ±5% and ±1% tolerance versions? A: The ±1% tolerance versions (KTR18EZPF2700, CR1206-FX-2700ELF, CRG1206F270R) provide tighter resistance tolerance and lower temperature coefficient (±100ppm/°C versus ±200ppm/°C). Select ±1% parts when circuit design requires improved accuracy or when temperature-dependent resistance drift must be minimized.

Q: Can I use ESR18EZPJ271 instead of KTR18EZPJ271? A: ESR18EZPJ271 is mechanically and electrically compatible but provides 0.5W power rating instead of 0.25W. Use this part only if your circuit requires higher power dissipation capability. The increased power rating does not affect electrical performance in circuits designed for 0.25W operation.

Q: Why is ERJ-8GEYJ271V marked "Not For New Designs"? A: This designation indicates the manufacturer (Panasonic) has discontinued active development and recommends alternative parts for new applications. While the part meets all electrical specifications, long-term availability cannot be guaranteed. Select active production alternatives for new designs.

Q: Does packaging format (Tape & Reel versus Cut Tape) affect electrical performance? A: No. Packaging format affects only manufacturing and assembly processes. Tape & Reel (TR) packaging is optimized for automated pick-and-place assembly, while Cut Tape (CT) is suitable for manual or lower-volume assembly. Electrical specifications remain identical regardless of packaging format.

Q: Are all substitute parts ROHS3 compliant? A: All listed parts are ROHS3 compliant. Compliance status is consistent across direct equivalents, upgrades, and similar alternatives.

Q: Which substitute offers the best inventory availability? A: CRCW1206270RJNEA (Vishay Dale) has the highest inventory with 41,947 pieces in stock, followed by RMCF1206JT270R (Stackpole Electronics Inc) with 135,538 pieces. Both are active production parts suitable for immediate procurement.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message