RMC1/8-751JTP Equivalent & Substitute Parts

Part Overview

The RMC1/8-751JTP is a 750 Ohm ±5% 0.25W thick film chip resistor in 1206 (3216 Metric) package manufactured by Kamaya Inc. This component is classified as Active product status with 916 pieces currently in stock. The RMC series represents a standard general-purpose resistor suitable for general circuit applications requiring moderate tolerance specifications. Substitute parts are necessary to address supply chain continuity, alternative sourcing options, or specific application requirements such as automotive qualification or improved tolerance specifications.

Key Parameters

Parameter	Value	Significance for Substitution
Resistance Value	750 Ohms	Must match exactly for direct substitution
Tolerance	±5%	Determines acceptable resistance range; tighter tolerance parts are upgrades
Power Rating	0.25W (1/4W)	Must match or exceed for thermal compatibility
Package/Case	1206 (3216 Metric)	Physical footprint; must match for PCB compatibility
Composition	Thick Film	Determines electrical characteristics and temperature behavior
Temperature Coefficient	±200ppm/°C (±100ppm/°C for upgrades)	Affects resistance stability across temperature range
Operating Temperature Range	-55°C ~ 155°C	Must support application temperature requirements
Termination Type	2 Terminations	Standard for chip resistors; must match
Moisture Sensitivity Level	MSL 1 (Unlimited)	Indicates no moisture sensitivity restrictions

Substitute Part Grouping Explanation

Substitute parts are organized into two categories based on electrical parameter compatibility with the main part RMC1/8-751JTP:

Direct Substitutes (Equivalent Tolerance ±5%): Parts that maintain the same 750 Ohm resistance value, ±5% tolerance, 0.25W power rating, and 1206 package. These parts are electrically interchangeable with the main part. Temperature coefficient may vary (±200ppm/°C or ±100ppm/°C), but both values fall within acceptable ranges for general-purpose applications. Direct substitutes include ERJ-8GEYJ751V, MCR18ERTJ751, RMCF1206JT750R, and RC1206JR-07750RL.

Upgrade Substitutes (Improved Tolerance ±1%): Parts that maintain 750 Ohm resistance, 0.25W power rating, and 1206 package but feature tighter ±1% tolerance and improved ±100ppm/°C temperature coefficient. These parts provide enhanced precision and stability compared to the main part. Upgrade substitutes include CRG1206F750R, ERJ-8ENF7500V, KTR18EZPF7500, RC1206FR-07750RL, and RMCF1206FT750R.

Critical Substitution Parameters:

Resistance: 750 Ohms (exact match required)
Package: 1206 (3216 Metric) (exact match required)
Power Rating: 0.25W minimum (equal or greater acceptable)
Composition: Thick Film (required for electrical characteristics)
Operating Temperature: -55°C ~ 155°C (must support application range)

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Package	Product Status	Features
RMC1/8-751JTP	Kamaya Inc.	750 Ω	±5%	0.25	±200	1206	Active	—
ERJ-8GEYJ751V	Panasonic Electronic Components	750 Ω	±5%	0.25	±200	1206	Not For New Designs	Automotive AEC-Q200
MCR18ERTJ751	Rohm Semiconductor	750 Ω	±5%	0.25	±200	1206	Discontinued at DiGi Electronics	—
RMCF1206JT750R	Stackpole Electronics Inc	750 Ω	±5%	0.25	±200	1206	Active	Automotive AEC-Q200
RC1206JR-07750RL	YAGEO	750 Ω	±5%	0.25	±100	1206	Active	Moisture Resistant
CRG1206F750R	TE Connectivity Passive Product	750 Ω	±1%	0.25	±100	1206	Active	—
ERJ-8ENF7500V	Panasonic Electronic Components	750 Ω	±1%	0.25	±100	1206	Not For New Designs	Automotive AEC-Q200
KTR18EZPF7500	Rohm Semiconductor	750 Ω	±1%	0.25	±100	1206	Active	Automotive AEC-Q200, High Voltage
RC1206FR-07750RL	YAGEO	750 Ω	±1%	0.25	±100	1206	Active	Moisture Resistant
RMCF1206FT750R	Stackpole Electronics Inc	750 Ω	±1%	0.25	±100	1206	Active	Automotive AEC-Q200

Engineering Selection Recommendations

For Direct Substitution (Equivalent ±5% Tolerance):

RMCF1206JT750R (Stackpole Electronics Inc) is the primary direct substitute. This part maintains Active product status, matching the main part's availability and long-term support. It carries Automotive AEC-Q200 certification, providing enhanced reliability for applications requiring automotive-grade components. Stackpole Electronics maintains consistent manufacturing standards and wide distribution channels.

RC1206JR-07750RL (YAGEO) serves as an alternative direct substitute with Active status. This part features Moisture Resistant construction and improved ±100ppm/°C temperature coefficient compared to the main part's ±200ppm/°C, offering better temperature stability without changing tolerance class. YAGEO maintains substantial inventory (92,642 pieces) ensuring supply continuity.

ERJ-8GEYJ751V (Panasonic Electronic Components) is available as a direct substitute but carries "Not For New Designs" status, indicating this product line is being phased out. Use only when supply constraints require or for legacy system maintenance.

MCR18ERTJ751 (Rohm Semiconductor) is discontinued at DiGi Electronics and should be avoided for new designs despite matching electrical specifications.

For Upgraded Tolerance (±1% Tolerance):

RMCF1206FT750R (Stackpole Electronics Inc) is the recommended upgrade substitute. This part maintains Active status with Automotive AEC-Q200 certification. The ±1% tolerance and ±100ppm/°C temperature coefficient provide superior precision and stability. Inventory availability (105,747 pieces) ensures reliable sourcing.

RC1206FR-07750RL (YAGEO) offers upgrade specifications with Active status, Moisture Resistant features, and substantial inventory (171,036 pieces). This part is suitable for applications requiring improved tolerance without automotive qualification requirements.

KTR18EZPF7500 (Rohm Semiconductor) provides upgrade specifications with Automotive AEC-Q200 certification and High Voltage features. Active status and moderate inventory (8,500 pieces) support production requirements. Select this part for automotive applications requiring enhanced voltage performance.

CRG1206F750R (TE Connectivity Passive Product) delivers upgrade tolerance with Active status. This part is suitable for general-purpose applications where automotive qualification is not required.

ERJ-8ENF7500V (Panasonic Electronic Components) carries "Not For New Designs" status and should be avoided despite offering upgrade specifications.

Frequently Asked Questions (FAQ)

Q: Can I use an upgrade substitute (±1% tolerance) in place of the main part (±5% tolerance)?

A: Yes. Upgrade substitutes with ±1% tolerance are electrically compatible and provide superior precision. The tighter tolerance represents an improvement in component accuracy. All upgrade substitutes maintain the same 750 Ohm resistance value, 0.25W power rating, 1206 package, and -55°C ~ 155°C operating temperature range. No circuit redesign is required.

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

A: Direct substitutes maintain the same ±5% tolerance as the main part RMC1/8-751JTP. Upgrade substitutes feature tighter ±1% tolerance and improved ±100ppm/°C temperature coefficient compared to the main part's ±200ppm/°C. Both categories are electrically interchangeable at the 750 Ohm, 0.25W, 1206 package level. Selection depends on application precision requirements and cost considerations.

Q: Are all substitute parts RoHS3 compliant?

A: All listed substitute parts are RoHS3 compliant. The main part RMC1/8-751JTP does not specify RoHS status in the provided data. All substitute parts carry REACH Unaffected or Vendor Undefined status, indicating compliance with environmental regulations.

Q: What does "Not For New Designs" product status mean?

A: "Not For New Designs" indicates the manufacturer is phasing out this product line. Parts with this status (ERJ-8GEYJ751V, ERJ-8ENF7500V) should be used only for legacy system maintenance or when supply constraints require. For new designs, select parts with Active status: RMCF1206JT750R, RC1206JR-07750RL, RMCF1206FT750R, RC1206FR-07750RL, KTR18EZPF7500, or CRG1206F750R.

Q: What does Automotive AEC-Q200 certification mean?

A: AEC-Q200 is an automotive industry qualification standard for passive components. Parts carrying this certification (RMCF1206JT750R, ERJ-8GEYJ751V, KTR18EZPF7500, ERJ-8ENF7500V, RMCF1206FT750R) meet enhanced reliability, temperature cycling, and failure rate requirements specified by automotive manufacturers. Select AEC-Q200 certified parts for automotive applications or systems requiring automotive-grade reliability.

Q: Can I mix different substitute parts in the same circuit?

A: Yes. All substitute parts listed are electrically compatible with each other at the 750 Ohm, 0.25W, 1206 package level. Mixing direct substitutes (±5% tolerance) and upgrade substitutes (±1% tolerance) in the same circuit is acceptable. However, for circuits with tight tolerance requirements, use upgrade substitutes consistently throughout to maintain uniform precision.

Q: What is the significance of Moisture Resistant features?

A: Moisture Resistant construction (RC1206JR-07750RL, RC1206FR-07750RL) provides enhanced protection against humidity and moisture ingress. These parts are suitable for applications exposed to high humidity environments or applications requiring extended shelf life. The main part and most other substitutes carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions under standard storage conditions.

Q: Are there any dimensional differences between substitute parts?

A: All parts maintain the 1206 (3216 Metric) package standard. Minor dimensional variations exist within manufacturing tolerances: length ranges from 0.120" to 0.126" (3.05mm to 3.20mm), width is consistently 0.063" (1.60mm), and height ranges from 0.025" to 0.028" (0.65mm to 0.70mm). These variations fall within standard PCB design tolerances and do not affect interchangeability.

Q: Which substitute offers the best long-term availability?

A: RMCF1206JT750R (Stackpole Electronics Inc) and RC1206JR-07750RL (YAGEO) offer the best long-term availability with Active product status and substantial inventory levels. RMCF1206JT750R provides automotive qualification, while RC1206JR-07750RL offers moisture resistance. Both manufacturers maintain consistent production and wide distribution channels.

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