TCR1206L2K2 Equivalent & Substitute Parts

Part Overview

The TCR1206L2K2 is a 2.2 kOhms ±15% thick film chip resistor manufactured by TE Connectivity Passive Product in the 1206 (3216 Metric) package format. This component is rated for 0.125W (1/8W) power dissipation with a temperature coefficient of ±200ppm/°C and operates across the temperature range of -55°C to 125°C. The part is ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating.

Substitute parts are necessary when the original TCR1206L2K2 becomes unavailable, when design requirements demand improved tolerance specifications, enhanced power ratings, or when automotive-grade certifications are required for specific applications. Alternative manufacturers offer equivalent 2.2 kOhms 1206 resistors with varying tolerance levels, power ratings, and feature sets that maintain electrical and mechanical compatibility.

Key Parameters

Parameter	Value	Specification
Resistance Value	2.2 kOhms	Core electrical specification
Tolerance	±15%	Determines substitution compatibility
Power Rating	0.125W (1/8W)	Minimum thermal capability required
Package Type	1206 (3216 Metric)	Physical and mechanical compatibility
Composition	Thick Film	Technology type
Temperature Coefficient	±200ppm/°C	Thermal stability parameter
Operating Temperature Range	-55°C to 125°C	Environmental operating limits
RoHS Status	ROHS3 Compliant	Regulatory compliance requirement
Moisture Sensitivity Level	MSL 1 (Unlimited)	Handling and storage classification

Substitute Part Grouping Explanation

Substitution compatibility for the TCR1206L2K2 is determined by the following mandatory parameters:

Electrical Compatibility Requirements:

Resistance value must be 2.2 kOhms
Package must be 1206 (3216 Metric)
Composition must be thick film
Power rating must be equal to or greater than 0.125W (1/8W)
Tolerance must be equal to or tighter than ±15%
Operating temperature range must encompass or exceed -55°C to 125°C

Regulatory & Environmental Requirements:

ROHS3 compliance mandatory
MSL rating must be 1 (Unlimited)
REACH Unaffected status required

Substitute parts are grouped into three categories based on enhancement level:

Direct Substitutes (Equivalent Performance): Parts with identical or superior tolerance (±5% or ±1%), equal or higher power ratings (0.25W or 1/4W), and identical package specifications. These maintain full electrical and mechanical compatibility while offering improved performance characteristics.

Upgrade Substitutes (Enhanced Specifications): Parts featuring tighter tolerance (±1% or ±5%), higher power ratings (0.25W or 1/4W), moisture-resistant or automotive-grade features, and extended operating temperature ranges to 155°C. These provide superior performance for demanding applications.

Automotive-Grade Substitutes (AEC-Q200 Certified): Parts with AEC-Q200 automotive qualification, suitable for automotive and high-reliability applications requiring enhanced quality assurance and environmental stress screening.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power Rating	Temp Coeff	Operating Temp Range	Package	Features	Product Status
TCR1206L2K2	TE Connectivity	2.2 kΩ	±15%	0.125W (1/8W)	±200ppm/°C	-55°C to 125°C	1206	Standard	Active
RCG12062K20JNEA	Vishay Dale	2.2 kΩ	±5%	0.25W (1/4W)	±200ppm/°C	-55°C to 155°C	1206	Standard	Active
CR1206-FX-2201ELF	Bourns Inc.	2.2 kΩ	±1%	0.25W (1/4W)	±100ppm/°C	-55°C to 155°C	1206	Moisture Resistant	Active
CR1206-JW-222ELF	Bourns Inc.	2.2 kΩ	±5%	0.25W (1/4W)	±200ppm/°C	-55°C to 155°C	1206	Moisture Resistant	Active
CRCW12062K20JNEAC	Vishay Dale	2.2 kΩ	±5%	0.25W (1/4W)	±200ppm/°C	-55°C to 155°C	1206	Standard	Active
CRCW12062K20JNEB	Vishay Dale	2.2 kΩ	±5%	0.25W (1/4W)	±200ppm/°C	-55°C to 155°C	1206	Automotive AEC-Q200	Discontinued at DiGi Electronics
ERJ-8ENF2201V	Panasonic Electronic Components	2.2 kΩ	±1%	0.25W (1/4W)	±100ppm/°C	-55°C to 155°C	1206	Automotive AEC-Q200	Not For New Designs
ERJ-8GEYJ222V	Panasonic Electronic Components	2.2 kΩ	±5%	0.25W (1/4W)	±200ppm/°C	-55°C to 155°C	1206	Automotive AEC-Q200	Not For New Designs
KTR18EZPF2201	Rohm Semiconductor	2.2 kΩ	±1%	0.25W (1/4W)	±100ppm/°C	-55°C to 155°C	1206	Automotive AEC-Q200, High Voltage	Active
RC1206FR-072K2L	YAGEO	2.2 kΩ	±1%	0.25W (1/4W)	±100ppm/°C	-55°C to 155°C	1206	Moisture Resistant	Active
RC1206JR-072K2L	YAGEO	2.2 kΩ	±5%	0.25W (1/4W)	±100ppm/°C	-55°C to 155°C	1206	Moisture Resistant	Active

Engineering Selection Recommendations

For Direct Replacement (Equivalent Performance): Select RCG12062K20JNEA, CRCW12062K20JNEAC, or CR1206-JW-222ELF when the original TCR1206L2K2 is unavailable. These parts maintain the 2.2 kOhms resistance value, 1206 package format, and thick film composition. All three are ROHS3 compliant with MSL 1 rating. The RCG12062K20JNEA and CRCW12062K20JNEAC offer ±5% tolerance with 0.25W power rating, while CR1206-JW-222ELF provides moisture-resistant construction with identical specifications.

For Improved Tolerance Applications: Select CR1206-FX-2201ELF, ERJ-8ENF2201V, KTR18EZPF2201, or RC1206FR-072K2L when ±1% tolerance is required. These parts feature tighter tolerance specifications with ±100ppm/°C temperature coefficient, superior to the original ±200ppm/°C. All maintain 0.25W power rating and extended operating temperature to 155°C. CR1206-FX-2201ELF and RC1206FR-072K2L include moisture-resistant features. KTR18EZPF2201 includes high-voltage capability and AEC-Q200 automotive qualification.

For Automotive Applications: Select KTR18EZPF2201, ERJ-8ENF2201V, ERJ-8GEYJ222V, or CRCW12062K20JNEB when AEC-Q200 automotive qualification is required. KTR18EZPF2201 is the preferred active option, offering ±1% tolerance, high-voltage features, and current active product status. ERJ-8ENF2201V and ERJ-8GEYJ222V are marked "Not For New Designs" and should be avoided for new development. CRCW12062K20JNEB is discontinued at DiGi Electronics and should not be selected for new designs.

For Moisture-Resistant Applications: Select CR1206-FX-2201ELF, CR1206-JW-222ELF, RC1206FR-072K2L, or RC1206JR-072K2L when moisture-resistant construction is specified. These parts provide enhanced protection in humid or corrosive environments while maintaining full electrical compatibility.

Active Product Priority: Prioritize parts with "Active" product status for new designs. RCG12062K20JNEA, CR1206-FX-2201ELF, CR1206-JW-222ELF, CRCW12062K20JNEAC, KTR18EZPF2201, RC1206FR-072K2L, and RC1206JR-072K2L are all active products. Avoid ERJ-8ENF2201V and ERJ-8GEYJ222V marked "Not For New Designs" and CRCW12062K20JNEB marked "Discontinued at DiGi Electronics" for new development.

Frequently Asked Questions (FAQ)

Q: Can I substitute the TCR1206L2K2 with a part having ±5% tolerance instead of ±15%?

A: Yes. A tighter tolerance (±5%) is a direct upgrade and maintains full compatibility. The substitute part will perform within a narrower resistance range, which is acceptable for applications designed around the original ±15% specification. All substitute parts listed with ±5% or ±1% tolerance are electrically compatible.

Q: What is the significance of the 1206 package designation?

A: The 1206 (3216 Metric) package is the physical form factor that determines PCB footprint compatibility. All substitute parts listed use the identical 1206 package, ensuring mechanical compatibility with existing circuit board layouts without requiring design modifications.

Q: Can I use a 0.25W (1/4W) rated part as a substitute for the 0.125W (1/8W) original?

A: Yes. A higher power rating is a direct upgrade. The 0.25W substitute can safely dissipate more power than the original 0.125W specification, providing additional thermal margin. This substitution is electrically and mechanically compatible.

Q: What does "Moisture Resistant" mean in the features column?

A: Moisture-resistant construction provides enhanced protection against humidity and moisture ingress during storage, handling, and operation. Parts with this feature (CR1206-FX-2201ELF, CR1206-JW-222ELF, RC1206FR-072K2L, RC1206JR-072K2L) are suitable for applications in humid environments or where extended shelf life is required.

Q: Why are some parts marked "Not For New Designs"?

A: Parts marked "Not For New Designs" (ERJ-8ENF2201V, ERJ-8GEYJ222V) are in end-of-life status. Manufacturers continue to supply existing inventory but do not recommend these parts for new product development. For new designs, select from parts with "Active" product status.

Q: What is AEC-Q200 automotive qualification?

A: AEC-Q200 is an automotive industry standard qualification that certifies components for automotive applications. Parts with AEC-Q200 certification (KTR18EZPF2201, ERJ-8ENF2201V, ERJ-8GEYJ222V, CRCW12062K20JNEB) have undergone enhanced quality assurance and environmental stress screening. These parts are required for automotive designs but are optional for general industrial applications.

Q: Can I use an automotive-grade part in a non-automotive application?

A: Yes. Automotive-grade parts exceed the requirements of general industrial applications and are fully compatible. Using an AEC-Q200 certified part in a non-automotive application provides enhanced reliability without any compatibility issues.

Q: What is the difference between ±100ppm/°C and ±200ppm/°C temperature coefficient?

A: Temperature coefficient indicates how much the resistance value changes with temperature. A ±100ppm/°C coefficient (found in CR1206-FX-2201ELF, ERJ-8ENF2201V, KTR18EZPF2201, RC1206FR-072K2L, RC1206JR-072K2L) provides superior temperature stability compared to ±200ppm/°C. For applications with strict tolerance requirements across temperature ranges, select parts with ±100ppm/°C.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed are ROHS3 compliant and have MSL 1 (Unlimited) moisture sensitivity rating, matching the original TCR1206L2K2 specifications. This ensures regulatory compliance and identical handling requirements.

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

A: Cut Tape (CT) & Digi-Reel® packaging (RC1206FR-072K2L, RC1206JR-072K2L) provides smaller quantity options suitable for prototyping and low-volume production. Tape & Reel (TR) packaging (all other substitutes) is optimized for high-volume automated assembly. Both packaging formats contain identical components; the difference is in quantity and presentation format.

Q: Which substitute offers the best overall performance upgrade?

A: CR1206-FX-2201ELF and KTR18EZPF2201 offer the most comprehensive performance upgrades. CR1206-FX-2201ELF provides ±1% tolerance, moisture-resistant construction, and ±100ppm/°C temperature coefficient with active product status. KTR18EZPF2201 adds automotive AEC-Q200 qualification and high-voltage capability. Both are suitable for demanding applications requiring superior accuracy and environmental protection.

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