KTR10EZPJ243 Equivalent & Substitute Parts

Part Overview

The KTR10EZPJ243 is a 24 kOhms ±5% thick film chip resistor rated at 0.125W (1/8W) in 0805 (2012 Metric) package format. Manufactured by Rohm Semiconductor, this component meets Automotive AEC-Q200 qualification and high voltage specifications. The part is currently active in production with 982 units in stock. Substitute parts are necessary when the primary part becomes unavailable, when design requirements shift toward higher tolerance specifications, or when alternative manufacturer sourcing is required for supply chain optimization.

Key Parameters

Parameter	Value
Resistance	24 kOhms
Tolerance	±5%
Power Rating	0.125W (1/8W)
Package	0805 (2012 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 for the KTR10EZPJ243 is determined by strict equivalence across the following parameters: resistance value (24 kOhms), package format (0805), power rating (0.125W), composition (thick film), operating temperature range (-55°C to 155°C), and compliance certifications (ROHS3, REACH Unaffected).

Direct substitutes maintain identical tolerance (±5%), temperature coefficient (±200ppm/°C), and automotive qualification (AEC-Q200). These parts are functionally interchangeable without circuit redesign.

Upgrade substitutes offer improved tolerance (±1%) or enhanced temperature coefficient performance (±100ppm/°C) while maintaining all other core parameters. These parts provide superior performance characteristics and are backward-compatible with the original specification.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power	Temp Coeff	AEC-Q200	Package	Status	Inventory
KTR10EZPJ243	Rohm Semiconductor	24 kOhms	±5%	0.125W	±200ppm/°C	Yes	0805	Active	982 Pcs
MCR10ERTJ243	Rohm Semiconductor	24 kOhms	±5%	0.125W	±200ppm/°C	No	0805	Discontinued	976 Pcs
ERJ-6GEYJ243V	Panasonic Electronic Components	24 kOhms	±5%	0.125W	±200ppm/°C	Yes	0805	Active	19321 Pcs
CRCW080524K0JNEA	Vishay Dale	24 kOhms	±5%	0.125W	±200ppm/°C	Yes	0805	Active	5400 Pcs
RC0805JR-0724KL	YAGEO	24 kOhms	±5%	0.125W	±100ppm/°C	No	0805	Active	21537 Pcs
RMCF0805JT24K0	Stackpole Electronics Inc	24 kOhms	±5%	0.125W	±200ppm/°C	Yes	0805	Active	224215 Pcs
KTR10EZPF2402	Rohm Semiconductor	24 kOhms	±1%	0.125W	±100ppm/°C	Yes	0805	Active	8942 Pcs
CRG0805F24K	TE Connectivity Passive Product	24 kOhms	±1%	0.125W	±100ppm/°C	No	0805	Active	56815 Pcs
ERJ-6ENF2402V	Panasonic Electronic Components	24 kOhms	±1%	0.125W	±100ppm/°C	Yes	0805	Active	43030 Pcs
RC0805FR-0724KL	YAGEO	24 kOhms	±1%	0.125W	±100ppm/°C	No	0805	Active	109290 Pcs
RMCF0805FT24K0	Stackpole Electronics Inc	24 kOhms	±1%	0.125W	±100ppm/°C	Yes	0805	Active	82947 Pcs

Engineering Selection Recommendations

For direct replacement requiring identical electrical performance, select from active parts with matching ±5% tolerance and ±200ppm/°C temperature coefficient: ERJ-6GEYJ243V (Panasonic), CRCW080524K0JNEA (Vishay Dale), or RMCF0805JT24K0 (Stackpole). All three maintain AEC-Q200 automotive qualification and ROHS3 compliance. RMCF0805JT24K0 offers the highest inventory availability at 224,215 units.

For applications requiring improved tolerance and temperature stability, upgrade to ±1% tolerance parts: KTR10EZPF2402 (Rohm, AEC-Q200), ERJ-6ENF2402V (Panasonic, AEC-Q200), or RMCF0805FT24K0 (Stackpole, AEC-Q200). These upgrades reduce temperature coefficient to ±100ppm/°C and are suitable for precision circuit applications.

MCR10ERTJ243 is discontinued at DiGi Electronics and should not be selected for new designs despite available inventory.

Frequently Asked Questions (FAQ)

Q: Can MCR10ERTJ243 be used as a substitute despite being discontinued? A: MCR10ERTJ243 matches all electrical parameters (24 kOhms, ±5%, 0.125W, ±200ppm/°C) and package format. However, it is discontinued at DiGi Electronics. For new designs and long-term supply assurance, select from active parts: ERJ-6GEYJ243V, CRCW080524K0JNEA, or RMCF0805JT24K0.

Q: What is the difference between direct substitutes and upgrade substitutes? A: Direct substitutes maintain identical tolerance (±5%) and temperature coefficient (±200ppm/°C). Upgrade substitutes offer improved tolerance (±1%) and lower temperature coefficient (±100ppm/°C), providing superior performance in precision applications. Both categories are electrically compatible with the original circuit.

Q: Does the height difference between parts affect PCB assembly? A: All listed parts are 0805 package format with maximum seated heights between 0.020" (0.50mm) and 0.028" (0.70mm). These variations are within standard PCB assembly tolerances and do not affect reflow soldering or component placement.

Q: Are all substitute parts ROHS3 compliant? A: All listed parts are ROHS3 compliant and REACH unaffected. Compliance certifications are identical across all substitutes.

Q: Which substitute offers the best availability? A: RC0805FR-0724KL (YAGEO) provides the highest inventory at 109,290 units. For AEC-Q200 qualified parts, RMCF0805JT24K0 (Stackpole) offers 224,215 units with ±5% tolerance matching the original specification.

Q: Can I use a ±1% tolerance part in place of the ±5% original? A: Yes. ±1% tolerance parts are backward-compatible and provide tighter resistance control. This is an upgrade that improves circuit accuracy without requiring design changes.

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