RC3216J124CS Equivalent & Substitute Parts Reference

Part Overview

The RC3216J124CS is a 120 kOhms ±5% 0.25W thick film chip resistor manufactured by Samsung Electro-Mechanics in 1206 (3216 Metric) package format. This component is classified as Active product status with 1,106 pieces currently in stock inventory. The part is designed for general-purpose applications requiring moisture-resistant thick film construction with standard tolerance specifications.

Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained across alternative manufacturers while meeting the same functional requirements. This reference provides direct substitutes with identical specifications and upgrade options offering improved tolerance or automotive-grade certifications.

Substiute Parts

RC3216J124CS

Samsung Electro-MechanicsIn Stock: 1210RC3216J124CS Datasheet

Current PartRFQ

RC1206JR-07120KL

YAGEOIn Stock: 529149RC1206JR-07120KL Datasheet

DirectRFQ

AC1206FR-07120KL

YAGEOIn Stock: 24835AC1206FR-07120KL Datasheet

UpgradeRFQ

CR1206-FX-1203ELF

Bourns Inc.In Stock: 33986CR1206-FX-1203ELF Datasheet

UpgradeRFQ

ERJ-8ENF1203V

Panasonic Electronic ComponentsIn Stock: 80620ERJ-8ENF1203V Datasheet

UpgradeRFQ

KTR18EZPF1203

Rohm SemiconductorIn Stock: 1088KTR18EZPF1203 Datasheet

UpgradeRFQ

MCR18ERTF1203

Rohm SemiconductorIn Stock: 917MCR18ERTF1203 Datasheet

UpgradeRFQ

RC1206FR-07120KL

YAGEOIn Stock: 500383RC1206FR-07120KL Datasheet

UpgradeRFQ

RMCF1206FT120K

Stackpole Electronics IncIn Stock: 15669RMCF1206FT120K Datasheet

UpgradeRFQ

AC1206JR-07120KL

YAGEOIn Stock: 4148AC1206JR-07120KL Datasheet

SimilarRFQ

CRCW1206120KFKEA

Vishay DaleIn Stock: 31167CRCW1206120KFKEA Datasheet

SimilarRFQ

CRCW1206120KFKEAHP

Vishay DaleIn Stock: 15489CRCW1206120KFKEAHP Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts are classified into two categories based on electrical and mechanical compatibility with the RC3216J124CS:

Direct Substitutes (Identical Specifications): Parts maintaining 120 kOhms resistance, ±5% tolerance, 0.25W power rating, and 1206 package format. These components are electrically and mechanically interchangeable with the main part. Direct substitutes include RC1206JR-07120KL from YAGEO, which maintains identical electrical specifications and thick film construction.

Upgrade Substitutes (Enhanced Specifications): Parts with improved tolerance (±1% instead of ±5%) while maintaining 120 kOhms resistance, 0.25W power rating, and 1206 package format. These components provide tighter tolerance performance and may include automotive AEC-Q200 certification or high-voltage features. Upgrade substitutes include AC1206FR-07120KL, CR1206-FX-1203ELF, ERJ-8ENF1203V, KTR18EZPF1203, MCR18ERTF1203, RC1206FR-07120KL, and RMCF1206FT120K.

Similar Parts (Matching Tolerance, Different Features): Parts maintaining ±5% tolerance and 120 kOhms resistance with automotive AEC-Q200 certification or enhanced features. These include AC1206JR-07120KL and CRCW1206120KFKEA.

Substitution compatibility is determined by: resistance value match, tolerance specification, power rating equivalence, package/case format identity, and operating temperature range overlap.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (Identical Specifications): RC1206JR-07120KL from YAGEO serves as the primary direct substitute, maintaining ±5% tolerance and moisture-resistant thick film construction. This part is Active status with 529,089 pieces in inventory, ensuring supply continuity. Both parts are ROHS3 compliant and REACH unaffected.

For Automotive Applications: AC1206FR-07120KL, RMCF1206FT120K, and CRCW1206120KFKEA are qualified to AEC-Q200 automotive standards. These parts provide ±1% tolerance improvement while maintaining the 1206 package and 0.25W power rating. All three are Active status with substantial inventory availability.

For High-Voltage Applications: KTR18EZPF1203 from Rohm Semiconductor combines ±1% tolerance with high-voltage features and AEC-Q200 certification. This part is Active status with 1,077 pieces in stock.

For Moisture-Critical Environments: RC1206FR-07120KL from YAGEO explicitly specifies moisture-resistant construction with ±1% tolerance. This part is Active status with 500,300 pieces in inventory, providing superior availability.

Parts to Avoid for New Designs: ERJ-8ENF1203V is marked "Not For New Designs" despite AEC-Q200 qualification. MCR18ERTF1203 is discontinued at DiGi Electronics and should not be selected for new applications.

All recommended substitutes maintain ROHS3 compliance, MSL 1 rating (unlimited moisture sensitivity), and -55°C to 155°C operating temperature range.

Frequently Asked Questions (FAQ)

Q: Can RC1206JR-07120KL directly replace RC3216J124CS without circuit redesign?

A: Yes. RC1206JR-07120KL maintains identical electrical specifications (120 kOhms ±5%, 0.25W) and mechanical package format (1206). Both components are thick film construction with ±100ppm/°C temperature coefficient and -55°C to 155°C operating range. No circuit modifications are required.

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

A: Direct substitutes maintain the original ±5% tolerance specification. Upgrade substitutes offer ±1% tolerance, providing tighter resistance accuracy. Upgrade parts may include automotive AEC-Q200 certification or high-voltage features. Both categories maintain 120 kOhms resistance, 0.25W power rating, and 1206 package compatibility.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant with MSL 1 rating (unlimited moisture sensitivity). All parts are REACH unaffected and classified under ECCN EAR99.

Q: Can I use a ±1% tolerance part in place of the ±5% specification?

A: Yes. A ±1% tolerance part is a functional upgrade that provides tighter resistance accuracy than the original ±5% specification. The circuit will operate within tighter tolerance margins, which is beneficial for precision applications.

Q: What is the significance of AEC-Q200 certification?

A: AEC-Q200 certification indicates the part meets automotive industry reliability standards. These parts undergo additional qualification testing for automotive applications. If your application does not require automotive qualification, non-AEC-Q200 parts are functionally equivalent.

Q: Why is ERJ-8ENF1203V marked "Not For New Designs"?

A: This designation indicates the manufacturer has discontinued active promotion of this part for new circuit designs, though existing inventory may remain available. For new designs, select from Active status parts such as AC1206FR-07120KL, RC1206FR-07120KL, or RMCF1206FT120K.

Q: Are there package dimension variations among substitute parts?

A: All parts use 1206 (3216 Metric) package format. Minor dimensional variations exist: length ranges from 0.120" to 0.126" (3.05mm to 3.20mm), width is consistently 0.063" (1.60mm), and height ranges from 0.024" to 0.030" (0.60mm to 0.75mm). These variations are within standard 1206 package tolerances and do not affect PCB layout compatibility.

Q: Which substitute offers the best inventory availability?

A: RC1206FR-07120KL from YAGEO provides the highest inventory with 500,300 pieces in stock, combined with Active product status, ±1% tolerance, and moisture-resistant construction.

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

A: Yes. All substitute parts maintain identical electrical specifications (120 kOhms, ±100ppm/°C, -55°C to 155°C) and mechanical compatibility (1206 package). Mixing manufacturers is acceptable from an engineering standpoint, though procurement and quality control practices may vary by organization.