RMC1/8-331JTP Equivalent & Substitute Parts Reference

Part Overview

The RMC1/8-331JTP is a 330 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 982 pieces currently in stock. The RMC series represents a standard general-purpose resistor suitable for industrial and commercial applications. Substitute parts are necessary to address supply chain continuity, alternative sourcing options, inventory availability, or specific application requirements such as automotive qualification or enhanced tolerance specifications.

Key Parameters

Parameter	Value	Specification Basis
Resistance Value	330 Ohms	Core electrical specification
Tolerance	±5%	Accuracy classification
Power Rating	0.25W (1/4W)	Thermal dissipation capability
Package / Case	1206 (3216 Metric)	Physical form factor
Composition	Thick Film	Manufacturing technology
Temperature Coefficient	±200ppm/°C	Stability over temperature
Operating Temperature Range	-55°C to +155°C	Environmental limits
Moisture Sensitivity Level (MSL)	1 (Unlimited)	Handling and storage
Number of Terminations	2	Connection points

Substitute Part Grouping Explanation

Substitution eligibility for the RMC1/8-331JTP is determined by the following mandatory parameters:

Core Electrical Parameters (Non-Negotiable):

Resistance Value: 330 Ohms (exact match required)
Power Rating: 0.25W minimum
Package / Case: 1206 (3216 Metric) form factor
Composition: Thick Film technology
Operating Temperature Range: -55°C to +155°C minimum coverage

Tolerance Classification: Parts are grouped into two categories based on tolerance specification:

Direct Substitutes (±5% Tolerance): Electrically and mechanically equivalent to RMC1/8-331JTP
Upgrade Substitutes (±1% Tolerance): Enhanced accuracy specification; backward compatible with ±5% applications

Compliance & Certification Parameters:

Moisture Sensitivity Level: MSL 1 (Unlimited) required
RoHS Status: ROHS3 Compliant preferred
REACH Status: REACH Unaffected or Vendor Undefined acceptable

Optional Enhancement Parameters:

Automotive AEC-Q200 qualification available in substitute options
Moisture Resistant feature available in select substitutes
High Voltage capability available in Rohm Semiconductor options

All substitute parts listed maintain identical electrical performance within their tolerance class and are mechanically compatible with the original 1206 package footprint.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Op Temp Range	Package	AEC-Q200	Product Status	Inventory (Pcs)
RMC1/8-331JTP	Kamaya Inc.	330Ω	±5%	0.25	±200	-55 to +155°C	1206	No	Active	982
ERJ-8GEYJ331V	Panasonic	330Ω	±5%	0.25	±200	-55 to +155°C	1206	Yes	Not For New Designs	67011
KTR18EZPJ331	Rohm Semiconductor	330Ω	±5%	0.25	±200	-55 to +155°C	1206	Yes	Active	5728
RMCF1206JG330R	Stackpole Electronics	330Ω	±5%	0.25	±200	-55 to +155°C	1206	Yes	Active	10766
RMCF1206JT330R	Stackpole Electronics	330Ω	±5%	0.25	±200	-55 to +155°C	1206	Yes	Active	480413
CRG1206F330R	TE Connectivity	330Ω	±1%	0.25	±100	-55 to +155°C	1206	No	Active	17133
ERJ-8ENF3300V	Panasonic	330Ω	±1%	0.25	±100	-55 to +155°C	1206	Yes	Not For New Designs	139201
KTR18EZPF3300	Rohm Semiconductor	330Ω	±1%	0.25	±100	-55 to +155°C	1206	Yes	Active	13924
RC1206FR-07330RL	YAGEO	330Ω	±1%	0.25	±100	-55 to +155°C	1206	No	Active	35400
RC1206JR-07330RL	YAGEO	330Ω	±5%	0.25	±100	-55 to +155°C	1206	No	Active	485808
RC3216F331CS	Samsung Electro-Mechanics	330Ω	±1%	0.25	±100	-55 to +155°C	1206	No	Active	1707

Engineering Selection Recommendations

Direct Substitutes (±5% Tolerance, Equivalent Performance):

For applications requiring electrical equivalence to RMC1/8-331JTP without enhanced specifications, the following direct substitutes are recommended based on product status and availability:

RMCF1206JT330R (Stackpole Electronics): Active product status with highest inventory availability (480,413 pcs). AEC-Q200 automotive qualification provides additional reliability margin. Recommended for high-volume production requiring supply security.
RMCF1206JG330R (Stackpole Electronics): Active product status with substantial inventory (10,766 pcs). AEC-Q200 qualified. Suitable for applications requiring automotive-grade components.
KTR18EZPJ331 (Rohm Semiconductor): Active product status with AEC-Q200 and High Voltage features. Inventory of 5,728 pcs. Recommended for applications requiring enhanced voltage performance.
ERJ-8GEYJ331V (Panasonic): Not For New Designs status. Inventory of 67,011 pcs available. Suitable only for legacy system maintenance or existing design support.

Upgrade Substitutes (±1% Tolerance, Enhanced Accuracy):

For applications requiring improved tolerance specification, the following upgrade substitutes provide ±1% accuracy with backward compatibility:

RC1206JR-07330RL (YAGEO): Active product status with highest inventory (485,808 pcs). Moisture Resistant feature. ±5% tolerance maintains direct equivalence while offering superior temperature stability (±100ppm/°C vs ±200ppm/°C). Recommended for cost-sensitive applications requiring enhanced reliability.
RC1206FR-07330RL (YAGEO): Active product status with 35,400 pcs inventory. ±1% tolerance with Moisture Resistant feature. Recommended for precision applications.
KTR18EZPF3300 (Rohm Semiconductor): Active product status with AEC-Q200 and High Voltage features. ±1% tolerance. Inventory of 13,924 pcs. Recommended for automotive and high-reliability applications requiring enhanced accuracy.
ERJ-8ENF3300V (Panasonic): Not For New Designs status. ±1% tolerance with AEC-Q200. Inventory of 139,201 pcs. Suitable for legacy applications only.
CRG1206F330R (TE Connectivity): Active product status with 17,133 pcs inventory. ±1% tolerance. Recommended for general-purpose applications requiring enhanced accuracy.
RC3216F331CS (Samsung Electro-Mechanics): Active product status with Moisture Resistant feature. ±1% tolerance. Limited inventory (1,707 pcs). Suitable for specialized applications.

Selection Priority Matrix:

Primary Choice: RMCF1206JT330R (direct substitute, highest availability, active status)
Secondary Choice: RC1206JR-07330RL (direct substitute, highest inventory, active status)
Precision Applications: RC1206FR-07330RL or KTR18EZPF3300 (±1% tolerance, active status)
Automotive Applications: KTR18EZPJ331 or RMCF1206JG330R (AEC-Q200 qualified, active status)

Frequently Asked Questions (FAQ)

Q1: Can I use a ±1% tolerance resistor as a substitute for the ±5% RMC1/8-331JTP?

A: Yes. The ±1% tolerance resistors listed (CRG1206F330R, ERJ-8ENF3300V, KTR18EZPF3300, RC1206FR-07330RL, RC3216F331CS) are backward compatible with applications designed for ±5% tolerance. The ±1% specification represents improved accuracy and is electrically superior. All other parameters (resistance value, power rating, package, operating temperature range) remain identical.

Q2: What is the difference between Direct Substitutes and Upgrade Substitutes?

A: Direct Substitutes maintain the exact ±5% tolerance specification of the RMC1/8-331JTP and provide electrical equivalence. Upgrade Substitutes feature ±1% tolerance, offering improved accuracy and typically lower temperature coefficient (±100ppm/°C vs ±200ppm/°C). Both categories are mechanically and electrically compatible with the original design.

Q3: Are all substitute parts physically compatible with the 1206 package footprint?

A: Yes. All listed substitute parts use the 1206 (3216 Metric) package specification. Physical dimensions vary slightly between manufacturers (length ranges from 0.122" to 0.126", height from 0.025" to 0.028"), but all components fit standard 1206 PCB footprints. Verify specific board layout constraints if tight spacing is critical.

Q4: What does "Not For New Designs" product status mean?

A: "Not For New Designs" indicates the manufacturer has discontinued active development and recommends against using this part in new product designs. These parts (ERJ-8GEYJ331V, ERJ-8ENF3300V) remain available in inventory but may have limited future supply. Use only for legacy system maintenance or existing design support.

Q5: Which substitute offers the best supply security?

A: RMCF1206JT330R (Stackpole Electronics) provides the highest inventory availability at 480,413 pieces with Active product status. RC1206JR-07330RL (YAGEO) offers 485,808 pieces inventory. Both are recommended for high-volume production requiring supply continuity.

Q6: Do I need AEC-Q200 qualification for my application?

A: AEC-Q200 is an automotive industry qualification standard. If your application is automotive or requires automotive-grade reliability, select from: KTR18EZPJ331, KTR18EZPF3300, RMCF1206JG330R, RMCF1206JT330R, ERJ-8GEYJ331V, or ERJ-8ENF3300V. For non-automotive applications, AEC-Q200 qualification is optional but provides additional reliability assurance.

Q7: What is the significance of Moisture Resistant feature?

A: Moisture Resistant components (RC1206FR-07330RL, RC1206JR-07330RL, RC3216F331CS) provide enhanced protection against humidity and moisture ingress. This feature is beneficial for applications exposed to high humidity, condensation, or harsh environmental conditions. For standard indoor applications, this feature is optional.

Q8: Can I mix different substitute parts in the same circuit board?

A: Yes. All listed substitute parts meet the same electrical specifications (330 Ohms, 0.25W, 1206 package, -55°C to +155°C operating range). Mixing different manufacturers is acceptable from an electrical standpoint. However, for manufacturing consistency and traceability, using a single part number per design is recommended.

Q9: What is the difference between Tape & Reel (TR) and Cut Tape (CT) packaging?

A: Tape & Reel packaging is supplied on continuous reels suitable for automated pick-and-place assembly. Cut Tape packaging is supplied in smaller quantities on tape strips. Most substitute parts are available in Tape & Reel format. RC1206FR-07330RL, RC1206JR-07330RL, and RC3216F331CS are available in Cut Tape format, suitable for lower-volume applications or manual assembly.

Q10: How do I verify compatibility before ordering substitute parts?

A: Verify the following parameters match your application requirements: (1) Resistance value: 330 Ohms, (2) Power rating: minimum 0.25W, (3) Package: 1206 (3216 Metric), (4) Operating temperature range: -55°C to +155°C coverage, (5) Tolerance: ±5% minimum (±1% acceptable), (6) Composition: Thick Film. All listed substitutes meet these criteria. Confirm any additional requirements such as AEC-Q200 qualification or Moisture Resistant feature based on your specific application.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message