RC3216F3402CS Equivalent & Substitute Parts Reference

Part Overview

The RC3216F3402CS is a 34 kOhms ±1% 0.25W chip resistor in 1206 (3216 Metric) package manufactured by Samsung Electro-Mechanics. This thick film, moisture-resistant resistor operates across -55°C to 155°C and is ROHS3 compliant with MSL 1 rating. The part is currently in active production status with 1,068 units in stock.

Equivalent and substitute parts are identified when component availability is limited, supply chain disruptions occur, or design flexibility is required while maintaining electrical and mechanical compatibility within specified tolerances.

Key Parameters

Parameter	Value	Specification Basis
Resistance	34 kOhms	Core electrical specification
Tolerance	±1%	Precision requirement
Power Rating	0.25W (1/4W)	Thermal dissipation capacity
Package / Case	1206 (3216 Metric)	Physical form factor
Composition	Thick Film	Manufacturing technology
Temperature Coefficient	±100ppm/°C	Stability over temperature range
Operating Temperature Range	-55°C to 155°C	Environmental limits
Moisture Sensitivity Level	MSL 1 (Unlimited)	Handling and storage requirements
RoHS Status	ROHS3 Compliant	Environmental compliance

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict equivalence across all key electrical and mechanical parameters. The following criteria establish substitutability for RC3216F3402CS:

Mandatory Matching Parameters:

Resistance value: 34 kOhms (exact match required)
Tolerance: ±1% (exact match required)
Power rating: 0.25W / 1/4W (exact match required)
Package: 1206 (3216 Metric) (exact match required)
Composition: Thick Film (exact match required)
Temperature coefficient: ±100ppm/°C (exact match required)
Operating temperature range: -55°C to 155°C (exact match or wider range acceptable)
Moisture sensitivity: MSL 1 (exact match required)
RoHS compliance: ROHS3 (exact match required)

Physical Dimension Tolerance: Dimensional variations within standard manufacturing tolerances are acceptable. Length variations of ±0.004" and height variations of ±0.004" fall within industry-standard SMD resistor specifications and do not affect functional substitutability.

Substitution Categories:

Direct Substitutes (Functionally and mechanically identical):

CR1206-FX-3402ELF (Bourns Inc.)
RC1206FR-0734KL (YAGEO)

Similar Substitutes (Functionally equivalent with additional certifications):

CRCW120634K0FKEA (Vishay Dale) – includes AEC-Q200 automotive qualification
ERJ-8ENF3402V (Panasonic Electronic Components) – includes AEC-Q200 automotive qualification; product status is Not For New Designs

Parameter Comparison

Parameter	RC3216F3402CS (Samsung)	CR1206-FX-3402ELF (Bourns)	RC1206FR-0734KL (YAGEO)	CRCW120634K0FKEA (Vishay Dale)	ERJ-8ENF3402V (Panasonic)
Resistance	34 kOhms	34 kOhms	34 kOhms	34 kOhms	34 kOhms
Tolerance	±1%	±1%	±1%	±1%	±1%
Power Rating	0.25W	0.25W	0.25W	0.25W	0.25W
Package	1206 (3216 Metric)	1206 (3216 Metric)	1206 (3216 Metric)	1206 (3216 Metric)	1206 (3216 Metric)
Composition	Thick Film	Thick Film	Thick Film	Thick Film	Thick Film
Temperature Coefficient	±100ppm/°C	±100ppm/°C	±100ppm/°C	±100ppm/°C	±100ppm/°C
Operating Temperature	-55°C to 155°C	-55°C to 155°C	-55°C to 155°C	-55°C to 155°C	-55°C to 155°C
MSL Rating	MSL 1	MSL 1	MSL 1	MSL 1	MSL 1
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Active	Active	Not For New Designs
Length (L)	0.126" (3.20mm)	0.126" (3.20mm)	0.122" (3.10mm)	0.126" (3.20mm)	0.126" (3.20mm)
Width (W)	0.063" (1.60mm)	0.063" (1.60mm)	0.063" (1.60mm)	0.063" (1.60mm)	0.063" (1.60mm)
Height (Max)	0.026" (0.66mm)	0.030" (0.75mm)	0.026" (0.65mm)	0.024" (0.60mm)	0.028" (0.70mm)
Packaging	Bulk	Tape & Reel (TR)	Tape & Reel (TR)	Tape & Reel (TR)	Tape & Reel (TR)
Inventory Status	1,068 Pcs	15,221 Pcs	8,805 Pcs	19,186 Pcs	56,503 Pcs

Engineering Selection Recommendations

For Active Production Designs:

CR1206-FX-3402ELF (Bourns Inc.) and RC1206FR-0734KL (YAGEO) are the primary direct substitutes. Both maintain active product status and meet all electrical and mechanical specifications identical to RC3216F3402CS. Selection between these two is based on supply availability and packaging preference (both available in Tape & Reel format).

For Automotive Applications:

CRCW120634K0FKEA (Vishay Dale) is the appropriate selection when AEC-Q200 automotive qualification is required. This part meets all base specifications while adding automotive-grade reliability certification. Product status is active.

For Legacy or Constrained Supply Scenarios:

ERJ-8ENF3402V (Panasonic Electronic Components) provides functional equivalence with AEC-Q200 certification. However, this part carries a "Not For New Designs" product status designation. Use is limited to replacement applications in existing production or legacy systems where supply of active alternatives is unavailable.

Packaging Consideration:

RC3216F3402CS is supplied in bulk packaging. All substitute parts are available in Tape & Reel (TR) format, which is standard for automated assembly operations. Bulk-to-reel conversion does not affect electrical or mechanical performance.

Frequently Asked Questions (FAQ)

Q: Can CR1206-FX-3402ELF replace RC3216F3402CS in any application?

A: Yes. CR1206-FX-3402ELF meets all electrical specifications (34 kOhms ±1%, 0.25W, ±100ppm/°C, -55°C to 155°C) and mechanical requirements (1206 package, MSL 1, ROHS3). Physical dimensions vary within standard manufacturing tolerances (height 0.030" vs. 0.026"). These variations do not affect circuit performance or PCB assembly compatibility.

Q: What is the difference between "Direct" and "Similar" substitutes?

A: Direct substitutes (CR1206-FX-3402ELF, RC1206FR-0734KL) match all base specifications without additional certifications. Similar substitutes (CRCW120634K0FKEA, ERJ-8ENF3402V) include AEC-Q200 automotive qualification, which adds reliability testing requirements beyond standard specifications. Similar substitutes are functionally equivalent but carry additional compliance overhead.

Q: Why is ERJ-8ENF3402V marked "Not For New Designs"?

A: "Not For New Designs" indicates the manufacturer has discontinued active development and recommends alternative parts for new product development. This designation does not affect electrical performance or reliability in existing applications. Use is appropriate only for replacement or legacy system support.

Q: Are dimensional variations between substitute parts significant?

A: No. Height variations range from 0.024" to 0.030" (0.60mm to 0.75mm), and length varies from 0.122" to 0.126" (3.10mm to 3.20mm). These differences fall within standard SMD resistor manufacturing tolerances and do not affect PCB layout, reflow soldering, or electrical performance.

Q: Can I use CRCW120634K0FKEA in non-automotive applications?

A: Yes. CRCW120634K0FKEA meets all base specifications required for RC3216F3402CS. AEC-Q200 certification is an additional qualification that does not restrict use in non-automotive circuits. This part is suitable for any application requiring 34 kOhms ±1% 0.25W 1206 resistors.

Q: What is the impact of switching from bulk to Tape & Reel packaging?

A: Packaging format affects supply chain logistics and automated assembly compatibility but does not alter component electrical or mechanical properties. Tape & Reel format is standard for high-volume automated manufacturing. Bulk-packaged components require manual handling or reel conversion for automated placement equipment.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitutes (CR1206-FX-3402ELF, RC1206FR-0734KL, CRCW120634K0FKEA, ERJ-8ENF3402V) carry ROHS3 compliance certification, matching RC3216F3402CS environmental compliance status.

Q: Which substitute has the highest inventory availability?

A: ERJ-8ENF3402V (Panasonic) has 56,503 units in stock, followed by CRCW120634K0FKEA (Vishay Dale) with 19,186 units. However, ERJ-8ENF3402V carries "Not For New Designs" status. For active production, CR1206-FX-3402ELF (15,221 units) and RC1206FR-0734KL (8,805 units) are recommended.

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