KTR10EZPJ511 Equivalent & Substitute Parts

Part Overview

The KTR10EZPJ511 is a 510 Ohms ±5% 0.125W thick film chip resistor in 0805 (2012 Metric) package manufactured by Rohm Semiconductor. This component is rated for automotive applications under AEC-Q200 standard with high voltage capability and operates across -55°C to 155°C. The part is active in production status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1).

Equivalent and substitute parts are necessary when the primary part experiences supply constraints, when design requirements demand improved tolerance specifications, or when higher power dissipation capability is required within the same package footprint.

Key Parameters

Parameter	Value
Resistance	510 Ohms
Tolerance	±5%
Power Rating	0.125W (1/8W)
Package	0805 (2012 Metric)
Composition	Thick Film
Operating Temperature Range	-55°C to 155°C
Temperature Coefficient	±200ppm/°C
Automotive Rating	AEC-Q200
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the KTR10EZPJ511 is determined by the following critical parameters:

Direct Equivalents maintain identical electrical specifications: 510 Ohms resistance, ±5% tolerance, 0.125W power rating, 0805 package, thick film composition, -55°C to 155°C operating range, and AEC-Q200 automotive qualification. These parts are mechanically and electrically interchangeable without circuit redesign.

Tolerance Upgrades provide ±1% tolerance instead of ±5%, reducing resistive variance. These parts maintain all other specifications including 0.125W power rating, 0805 package, and automotive AEC-Q200 rating. Temperature coefficient improves to ±100ppm/°C. These upgrades are suitable for applications requiring tighter resistive tolerance.

Power Upgrades increase power dissipation to 0.4W while maintaining 510 Ohms resistance, ±5% tolerance, 0805 package, and AEC-Q200 rating. These are applicable when circuit conditions demand higher power handling within the same footprint.

Combined Upgrades offer both improved tolerance (±1%) and automotive AEC-Q200 certification with 0.125W power rating in 0805 package.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	AEC-Q200	Height Max (mm)	Packaging
KTR10EZPJ511	Rohm Semiconductor	510Ω	±5%	0.125	±200	Yes	0.65	Tape & Reel
KTR10EZPF5100	Rohm Semiconductor	510Ω	±1%	0.125	±100	Yes	0.65	Tape & Reel
ESR10EZPJ511	Rohm Semiconductor	510Ω	±5%	0.4	±200	Yes	0.65	Tape & Reel
CRCW0805510RJNEA	Vishay Dale	510Ω	±5%	0.125	±200	Yes	0.50	Tape & Reel
ERJ-6GEYJ511V	Panasonic Electronic Components	510Ω	±5%	0.125	±200	Yes	0.70	Cut Tape & Digi-Reel
RMCF0805JT510R	Stackpole Electronics Inc	510Ω	±5%	0.125	±200	Yes	0.65	Tape & Reel
CRG0805F510R	TE Connectivity Passive Product	510Ω	±1%	0.125	±100	No	0.65	Tape & Reel
ERJ-6ENF5100V	Panasonic Electronic Components	510Ω	±1%	0.125	±100	Yes	0.70	Tape & Reel
RC0805FR-07510RL	YAGEO	510Ω	±1%	0.125	±100	No	0.60	Cut Tape & Digi-Reel
RC0805JR-07510RL	YAGEO	510Ω	±5%	0.125	±100	No	0.60	Tape & Reel
RMCF0805FT510R	Stackpole Electronics Inc	510Ω	±1%	0.125	±100	Yes	0.65	Tape & Reel

Engineering Selection Recommendations

For Direct Replacement (Identical Specifications): CRCW0805510RJNEA, ERJ-6GEYJ511V, and RMCF0805JT510R provide full electrical and mechanical equivalence to KTR10EZPJ511. All three maintain ±5% tolerance, 0.125W power rating, 0805 package, AEC-Q200 automotive qualification, and ROHS3 compliance. Selection among these depends on packaging preference (Tape & Reel versus Cut Tape & Digi-Reel) and height constraints for PCB assembly.

For Tolerance-Critical Applications: KTR10EZPF5100, ERJ-6ENF5100V, and RMCF0805FT510R upgrade tolerance to ±1% with improved temperature coefficient (±100ppm/°C). All three maintain AEC-Q200 automotive rating and ROHS3 compliance. KTR10EZPF5100 and RMCF0805FT510R are available in Tape & Reel packaging; ERJ-6ENF5100V is available in Tape & Reel with slightly higher maximum height (0.70mm).

For Higher Power Dissipation: ESR10EZPJ511 increases power rating to 0.4W while maintaining 510 Ohms resistance, ±5% tolerance, 0805 package, and AEC-Q200 automotive qualification. This part is suitable when circuit analysis indicates power dissipation exceeding 0.125W.

For Non-Automotive Applications: RC0805FR-07510RL and RC0805JR-07510RL from YAGEO provide moisture-resistant thick film construction without AEC-Q200 automotive rating. These are applicable in non-automotive environments where automotive qualification is not required.

Frequently Asked Questions (FAQ)

Q: Can I use a ±1% tolerance part as a direct replacement for the ±5% KTR10EZPJ511?

A: Yes. A ±1% tolerance part is a functional upgrade that maintains all other electrical and mechanical specifications. The tighter tolerance provides improved resistive accuracy without requiring circuit redesign.

Q: What is the difference between direct equivalents and tolerance upgrades?

A: Direct equivalents maintain identical tolerance (±5%), power rating (0.125W), and all other specifications. Tolerance upgrades improve tolerance to ±1% and reduce temperature coefficient from ±200ppm/°C to ±100ppm/°C, providing better resistive stability across temperature variations.

Q: Can I substitute the KTR10EZPJ511 with ESR10EZPJ511?

A: Yes, with consideration for power dissipation. ESR10EZPJ511 maintains identical resistance (510Ω), tolerance (±5%), package (0805), and AEC-Q200 rating. The primary difference is increased power rating (0.4W versus 0.125W), which is beneficial for higher power applications but not required for circuits designed for 0.125W dissipation.

Q: Are all substitute parts ROHS3 compliant?

A: All listed substitute parts are ROHS3 compliant. Moisture sensitivity level is MSL 1 (Unlimited) for all parts, indicating no special moisture handling requirements.

Q: Does package height variation affect PCB assembly?

A: Package height variations range from 0.50mm to 0.70mm maximum seated height. For standard PCB assembly processes, these variations are within typical tolerances. Verify height constraints only if PCB design includes height-critical clearance requirements.

Q: Which substitute parts maintain AEC-Q200 automotive qualification?

A: KTR10EZPF5100, ESR10EZPJ511, CRCW0805510RJNEA, ERJ-6GEYJ511V, RMCF0805JT510R, ERJ-6ENF5100V, and RMCF0805FT510R all maintain AEC-Q200 automotive qualification. RC0805FR-07510RL, RC0805JR-07510RL, and CRG0805F510R do not carry AEC-Q200 rating.

Q: What packaging options are available for substitute parts?

A: Most substitute parts are available in Tape & Reel (TR) packaging. ERJ-6GEYJ511V, RC0805FR-07510RL, and RC0805JR-07510RL are available in Cut Tape (CT) & Digi-Reel packaging, which may be preferred for lower-volume applications or specific assembly workflows.

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