PCR0805-1KJ1 Equivalent & Substitute Parts

Part Overview

The PCR0805-1KJ1 is a 1 kOhms ±5% 0.25W thick film chip resistor in 0805 (2012 Metric) package manufactured by Riedon. This component is classified as Active product status and is RoHS3 compliant with MSL Level 1 rating. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained across the 0805 package form factor, enabling design flexibility and supply chain optimization.

Key Parameters

Parameter	Value
Resistance	1 kOhms
Tolerance	±5%
Power Rating	0.25W (1/4W)
Package / Case	0805 (2012 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C ~ 155°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following criteria:

Direct Substitutes maintain identical electrical specifications (1 kOhms ±5%, 0.25W) and mechanical compatibility (0805 package, thick film composition, -55°C ~ 155°C operating range, ±100ppm/°C temperature coefficient). These parts are pin-compatible and functionally equivalent without circuit modification.

Upgrade Substitutes provide enhanced specifications while maintaining core compatibility. Upgrades include improved tolerance (±1% vs ±5%), increased power rating (0.5W or 0.4W vs 0.25W), or additional certifications (AEC-Q200 automotive qualification, anti-sulfur features, high voltage capability). These parts are physically and electrically compatible but offer superior performance margins.

All substitute candidates maintain the 0805 package footprint, thick film construction, RoHS3 compliance, and MSL Level 1 rating.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (Watts)	Temperature Coefficient	Operating Temperature	Package	Features	RoHS Status
PCR0805-1KJ1	Riedon	1 kOhms	±5%	0.25W	±100ppm/°C	-55°C ~ 155°C	0805	Pulse Withstanding	ROHS3 Compliant
RPC0805JT1K00	Stackpole Electronics Inc	1 kOhms	±5%	0.25W	±100ppm/°C	-55°C ~ 155°C	0805	Automotive AEC-Q200, Pulse Withstanding	ROHS3 Compliant
CRCW08051K00FKEAHP	Vishay Dale	1 kOhms	±1%	0.5W	±100ppm/°C	-55°C ~ 155°C	0805	Automotive AEC-Q200, Pulse Withstanding	ROHS3 Compliant
CRS0805-FX-1001ELF	Bourns Inc.	1 kOhms	±1%	0.25W	±100ppm/°C	-55°C ~ 155°C	0805	High Voltage, Pulse Withstanding	ROHS3 Compliant
CRS0805-JX-102ELF	Bourns Inc.	1 kOhms	±5%	0.25W	±100ppm/°C	-55°C ~ 155°C	0805	High Voltage, Pulse Withstanding	ROHS3 Compliant
ERJ-P06F1001V	Panasonic Electronic Components	1 kOhms	±1%	0.5W	±100ppm/°C	-55°C ~ 155°C	0805	Automotive AEC-Q200, Pulse Withstanding	ROHS3 Compliant
ERJ-UP6F1001V	Panasonic Electronic Components	1 kOhms	±1%	0.5W	±100ppm/°C	-55°C ~ 155°C	0805	Anti-Sulfur, Automotive AEC-Q200, Pulse Withstanding	ROHS3 Compliant
ESR10EZPF1001	Rohm Semiconductor	1 kOhms	±1%	0.4W	±100ppm/°C	-55°C ~ 155°C	0805	Automotive AEC-Q200, Pulse Withstanding	ROHS3 Compliant
RCA08051K00FKEAHP	Vishay Dale	1 kOhms	±1%	0.5W	±100ppm/°C	-55°C ~ 155°C	0805	Anti-Sulfur, Automotive AEC-Q200, Pulse Withstanding	ROHS3 Compliant
RCS08051K00FKEA	Vishay Dale	1 kOhms	±1%	0.5W	±100ppm/°C	-55°C ~ 155°C	0805	Automotive AEC-Q200, Pulse Withstanding	ROHS3 Compliant
CRGH0805F1K0	TE Connectivity Passive Product	1 kOhms	±1%	0.333W	±100ppm/°C	-55°C ~ 155°C	0805	Thick Film	ROHS3 Compliant

Engineering Selection Recommendations

Direct Substitution (Identical Specifications)

RPC0805JT1K00 (Stackpole Electronics Inc) provides direct substitution with matching 1 kOhms ±5% 0.25W specifications. This part adds Automotive AEC-Q200 certification, suitable for applications requiring automotive-grade reliability without circuit modification.

CRS0805-JX-102ELF (Bourns Inc.) maintains identical electrical parameters with added high voltage capability, appropriate for circuits requiring enhanced voltage stress performance.

Upgrade Substitution (Enhanced Tolerance)

CRS0805-FX-1001ELF (Bourns Inc.) upgrades tolerance to ±1% while maintaining 0.25W power rating and 0805 package. High voltage feature provides additional design margin for voltage-stressed applications.

Upgrade Substitution (Enhanced Power Rating)

CRCW08051K00FKEAHP (Vishay Dale), ERJ-P06F1001V (Panasonic), ERJ-UP6F1001V (Panasonic), RCA08051K00FKEAHP (Vishay Dale), and RCS08051K00FKEA (Vishay Dale) all provide 0.5W power rating with ±1% tolerance and AEC-Q200 automotive certification. ERJ-UP6F1001V and RCA08051K00FKEAHP include anti-sulfur features for corrosive environments.

ESR10EZPF1001 (Rohm Semiconductor) offers 0.4W power rating with ±1% tolerance and AEC-Q200 certification, providing intermediate power upgrade.

Manufacturer-Recommended Substitute

CRGH0805F1K0 (TE Connectivity Passive Product) is manufacturer-recommended with ±1% tolerance and 0.333W power rating. This part maintains compatibility while offering improved tolerance specification.

All substitute parts maintain RoHS3 compliance, MSL Level 1 rating, and -55°C ~ 155°C operating temperature range.

Frequently Asked Questions (FAQ)

Q: Can RPC0805JT1K00 replace PCR0805-1KJ1 without circuit modification?

A: Yes. RPC0805JT1K00 maintains identical electrical specifications (1 kOhms ±5%, 0.25W) and mechanical compatibility (0805 package, thick film, -55°C ~ 155°C). The addition of AEC-Q200 certification does not affect circuit operation.

Q: What is the difference between direct substitutes and upgrade substitutes?

A: Direct substitutes match all electrical and mechanical parameters of the original part. Upgrade substitutes provide enhanced specifications such as tighter tolerance (±1% vs ±5%), higher power rating (0.5W vs 0.25W), or additional certifications (AEC-Q200, anti-sulfur). Upgrades are physically compatible but offer superior performance margins.

Q: Can I use a 0.5W rated part in place of a 0.25W part?

A: Yes, if the circuit design permits. A higher power rating provides additional thermal margin and does not degrade circuit performance. The 0805 package footprint remains identical. Verify that the increased height (if applicable) does not conflict with board layout constraints.

Q: What does AEC-Q200 certification indicate?

A: AEC-Q200 is an automotive qualification standard indicating the part meets automotive reliability and performance requirements. Parts with this certification are suitable for automotive applications and high-reliability environments.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts maintain RoHS3 compliance and MSL Level 1 rating, matching the original PCR0805-1KJ1 specifications.

Q: What is the significance of anti-sulfur features in ERJ-UP6F1001V and RCA08051K00FKEAHP?

A: Anti-sulfur features protect the resistor from sulfur-containing atmospheric contaminants, extending reliability in industrial and corrosive environments. This feature is optional for standard applications but beneficial for harsh operating conditions.

Q: Can CRGH0805F1K0 be used as a direct replacement?

A: CRGH0805F1K0 is manufacturer-recommended and maintains 1 kOhms resistance with ±1% tolerance. The 0.333W power rating is lower than the original 0.25W specification. Use this part only if circuit power dissipation does not exceed 0.333W.

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