AF1206JR-072K4L Equivalent & Substitute Parts

Part Overview

The AF1206JR-072K4L is a 2.4 kOhms ±5% 0.25W thick film chip resistor in 1206 (3216 Metric) package manufactured by YAGEO. This part features anti-sulfur coating and automotive AEC-Q200 qualification, making it suitable for automotive and harsh environment applications. The part is currently active in production with 773 units in stock.

Substitute parts are necessary when the original part becomes unavailable, when alternative sourcing improves supply chain resilience, or when design requirements allow for compatible alternatives with different tolerance or power ratings.

Key Parameters

Parameter	Value
Resistance	2.4 kOhms
Tolerance	±5%
Power Rating	0.25W (1/4W)
Package / Case	1206 (3216 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C ~ 155°C
Features	Anti-Sulfur, Automotive AEC-Q200
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the AF1206JR-072K4L is determined by the following critical parameters:

Primary Substitution Criteria:

Resistance value: 2.4 kOhms (exact match required)
Package / Case: 1206 (3216 Metric) (exact match required)
Composition: Thick Film (exact match required)
Temperature Coefficient: ±100ppm/°C (exact match required)
Operating Temperature Range: -55°C ~ 155°C (exact match required)
RoHS Status: ROHS3 Compliant (exact match required)
Moisture Sensitivity Level: 1 (Unlimited) (exact match required)

Allowable Variations:

Tolerance: ±5% or tighter (±1% acceptable as upgrade)
Power Rating: 0.25W or higher (0.333W, 0.75W acceptable as upgrades)
Manufacturer: Different manufacturers acceptable if all parameters match
Packaging Format: Tape & Reel (TR) or Cut Tape (CT) & Digi-Reel® acceptable
Features: Anti-Sulfur, Automotive AEC-Q200, Moisture Resistant, or Pulse Withstanding acceptable

All substitute parts listed maintain identical electrical performance within the specified operating conditions while allowing for component sourcing flexibility.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op Temp Range	Features	RoHS	MSL	Inventory
AF1206JR-072K4L	YAGEO	2.4 kΩ	±5%	0.25	1206	±100ppm/°C	-55~155°C	Anti-Sulfur, AEC-Q200	ROHS3	1	773
AC1206FR-072K4L	YAGEO	2.4 kΩ	±1%	0.25	1206	±100ppm/°C	-55~155°C	AEC-Q200, Moisture Resistant	ROHS3	1	9890
AC1206JR-072K4L	YAGEO	2.4 kΩ	±5%	0.25	1206	±100ppm/°C	-55~155°C	AEC-Q200, Moisture Resistant	ROHS3	1	25765
RC1206FR-072K4L	YAGEO	2.4 kΩ	±1%	0.25	1206	±100ppm/°C	-55~155°C	Moisture Resistant	ROHS3	1	174062
RC1206JR-072K4L	YAGEO	2.4 kΩ	±5%	0.25	1206	±100ppm/°C	-55~155°C	Moisture Resistant	ROHS3	1	153605
CR1206-FX-2401ELF	Bourns Inc.	2.4 kΩ	±1%	0.25	1206	±100ppm/°C	-55~155°C	Moisture Resistant	ROHS3	1	35281
CRCW12062K40FKEA	Vishay Dale	2.4 kΩ	±1%	0.25	1206	±100ppm/°C	-55~155°C	AEC-Q200	ROHS3	1	48510
CRCW12062K40FKEAHP	Vishay Dale	2.4 kΩ	±1%	0.75	1206	±100ppm/°C	-55~155°C	AEC-Q200, Pulse Withstanding	ROHS3	1	13807
ERJ-8ENF2401V	Panasonic Electronic Components	2.4 kΩ	±1%	0.25	1206	±100ppm/°C	-55~155°C	AEC-Q200	ROHS3	1	47531
RC3216J242CS	Samsung Electro-Mechanics	2.4 kΩ	±5%	0.25	1206	±100ppm/°C	-55~155°C	Moisture Resistant	ROHS3	1	992
RPC1206JT2K40	Stackpole Electronics Inc	2.4 kΩ	±5%	0.333	1206	±100ppm/°C	-55~155°C	AEC-Q200, Pulse Withstanding	ROHS3	1	10771

Engineering Selection Recommendations

Direct Equivalents (±5% Tolerance, 0.25W): AC1206JR-072K4L, RC1206JR-072K4L, and RC3216J242CS are direct functional equivalents with identical tolerance and power ratings. AC1206JR-072K4L offers the highest inventory availability (25765 units) and maintains YAGEO manufacturing consistency. RC1206JR-072K4L provides the largest inventory pool (153605 units) across all substitutes.

Upgraded Tolerance (±1%, 0.25W): AC1206FR-072K4L, RC1206FR-072K4L, CR1206-FX-2401ELF, CRCW12062K40FKEA, and ERJ-8ENF2401V provide tighter tolerance specifications. These are suitable when circuit design permits or requires improved accuracy. AC1206FR-072K4L and RC1206FR-072K4L maintain YAGEO sourcing. ERJ-8ENF2401V carries "Not For New Designs" status and should be avoided for new applications.

Upgraded Power Rating (0.333W or 0.75W): RPC1206JT2K40 (0.333W) and CRCW12062K40FKEAHP (0.75W) provide higher power dissipation capability. These are suitable when thermal margin improvement is required. CRCW12062K40FKEAHP includes pulse withstanding capability for transient protection.

Automotive AEC-Q200 Compliance: AF1206JR-072K4L, AC1206FR-072K4L, AC1206JR-072K4L, CRCW12062K40FKEA, CRCW12062K40FKEAHP, ERJ-8ENF2401V, and RPC1206JT2K40 maintain AEC-Q200 qualification. These are required for automotive applications.

Product Status Consideration: All parts are Active except ERJ-8ENF2401V (Not For New Designs). ERJ-8ENF2401V should not be selected for new circuit designs.

Frequently Asked Questions (FAQ)

Q: Can I use a ±1% tolerance part as a substitute for the ±5% original? A: Yes. Tighter tolerance is a functional upgrade. Parts like AC1206FR-072K4L and RC1206FR-072K4L provide improved accuracy while maintaining all other electrical parameters.

Q: What is the difference between the YAGEO AF, AC, and RC series? A: All three series meet the substitution criteria. AF series includes anti-sulfur coating. AC and RC series include moisture-resistant features. Selection depends on application requirements and inventory availability.

Q: Can I use CRCW12062K40FKEAHP (0.75W) instead of the 0.25W original? A: Yes. Higher power rating provides additional thermal margin and is electrically compatible. Use this when circuit design allows for improved power dissipation capability or when pulse withstanding protection is required.

Q: Why is ERJ-8ENF2401V marked "Not For New Designs"? A: This designation indicates the manufacturer has discontinued active development for this part. While electrically compatible, it should not be selected for new circuit designs due to potential future availability constraints.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitutes maintain ROHS3 compliance and Moisture Sensitivity Level 1 (Unlimited), matching the original part specifications.

Q: What is the difference between Tape & Reel and Cut Tape packaging? A: Both are compatible for circuit assembly. Tape & Reel (TR) is standard for automated pick-and-place equipment. Cut Tape (CT) & Digi-Reel® offers flexibility for lower-volume or mixed-component orders. Electrical performance is identical.

Q: Which substitute offers the best inventory availability? A: RC1206FR-072K4L provides the largest inventory (174062 units) with ±1% tolerance and 0.25W power rating. AC1206JR-072K4L offers 25765 units with matching ±5% tolerance and 0.25W rating.

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