AF1206JR-075R1L Equivalent & Substitute Parts

Part Overview

The AF1206JR-075R1L is a 5.1 Ohm ±5% 0.25W thick film chip resistor in 1206 (3216 Metric) package manufactured by YAGEO. This part is rated for automotive applications under AEC-Q200 and features anti-sulfur construction. The component is active in production with 1001 pieces currently in stock. Equivalent and substitute parts are identified based on matching electrical specifications, package dimensions, and compliance ratings to support design flexibility and supply chain continuity.

Key Parameters

Parameter	Specification
Resistance Value	5.1 Ohms
Tolerance	±5%
Power Rating	0.25W (1/4W)
Package / Case	1206 (3216 Metric)
Composition	Thick Film
Temperature Coefficient	±200ppm/°C
Operating Temperature Range	-55°C to 155°C
Automotive Rating	AEC-Q200
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	MSL 1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts are grouped based on the following allowed parameters:

Primary Substitution Criteria:

Resistance value: 5.1 Ohms (exact match required)
Package / Case: 1206 (3216 Metric) (exact match required)
Composition: Thick Film (exact match required)
Temperature Coefficient: ±200ppm/°C (exact match required)
Operating Temperature Range: -55°C to 155°C (exact match required)
RoHS Status: ROHS3 Compliant (exact match required)
Moisture Sensitivity Level: MSL 1 (exact match required)

Secondary Substitution Parameters (Allowable Variations):

Tolerance: ±5% or ±1% (tighter tolerance acceptable)
Power Rating: 0.25W, 0.5W, or 0.75W (higher power rating acceptable)
Automotive Rating: AEC-Q200 (optional enhancement)
Packaging Format: Tape & Reel (TR) or Cut Tape (CT) & Digi-Reel®
Manufacturer: YAGEO, Vishay Dale, or Rohm Semiconductor

All substitute parts maintain identical electrical performance at the specified 5.1 Ohm resistance value and operate within the same temperature range. Variations in tolerance and power rating represent design enhancements that do not compromise compatibility.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Temp Range	AEC-Q200	RoHS3	MSL
AF1206JR-075R1L	YAGEO	5.1Ω	±5%	0.25	1206	±200ppm/°C	-55~155°C	Yes	Yes	1
AC1206FR-075R1L	YAGEO	5.1Ω	±1%	0.25	1206	±200ppm/°C	-55~155°C	Yes	Yes	1
AC1206JR-075R1L	YAGEO	5.1Ω	±5%	0.25	1206	±200ppm/°C	-55~155°C	Yes	Yes	1
RC1206FR-075R1L	YAGEO	5.1Ω	±1%	0.25	1206	±200ppm/°C	-55~155°C	No	Yes	1
RC1206JR-075R1L	YAGEO	5.1Ω	±5%	0.25	1206	±200ppm/°C	-55~155°C	No	Yes	1
SR1206JR-075R1L	YAGEO	5.1Ω	±5%	0.25	1206	±200ppm/°C	-55~155°C	Yes	Yes	1
SR1206JR-7W5R1L	YAGEO	5.1Ω	±5%	0.5	1206	±200ppm/°C	-55~155°C	Yes	Yes	1
CRCW12065R10FNEA	Vishay Dale	5.1Ω	±1%	0.25	1206	±200ppm/°C	-55~155°C	Yes	Yes	1
CRCW12065R10JNEA	Vishay Dale	5.1Ω	±5%	0.25	1206	±200ppm/°C	-55~155°C	Yes	Yes	1
CRCW12065R10JNEAHP	Vishay Dale	5.1Ω	±5%	0.75	1206	±200ppm/°C	-55~155°C	Yes	Yes	1
ESR18EZPJ5R1	Rohm Semiconductor	5.1Ω	±5%	0.5	1206	±200ppm/°C	-55~155°C	Yes	Yes	1

Engineering Selection Recommendations

Direct Equivalents (Identical Specifications): AC1206JR-075R1L and RC1206JR-075R1L are direct functional equivalents to AF1206JR-075R1L, maintaining all electrical and mechanical parameters. Both are active products with ROHS3 compliance and MSL 1 rating.

Enhanced Tolerance Variants: AC1206FR-075R1L, RC1206FR-075R1L, CRCW12065R10FNEA, and CRCW12065R10FNEA provide ±1% tolerance in place of ±5%, suitable for applications requiring tighter resistance accuracy. All maintain 0.25W power rating and full compliance certifications.

Higher Power Rating Options: SR1206JR-7W5R1L, CRCW12065R10JNEAHP, and ESR18EZPJ5R1 offer increased power dissipation (0.5W to 0.75W) while maintaining the 5.1 Ohm resistance value. These are applicable where thermal margin or pulse withstanding capability is required.

Automotive-Rated Substitutes: AC1206FR-075R1L, AC1206JR-075R1L, SR1206JR-075R1L, SR1206JR-7W5R1L, CRCW12065R10FNEA, CRCW12065R10JNEA, CRCW12065R10JNEAHP, and ESR18EZPJ5R1 carry AEC-Q200 automotive qualification. RC1206FR-075R1L and RC1206JR-075R1L do not include AEC-Q200 rating but remain compliant with all other specifications.

Multi-Manufacturer Availability: YAGEO series (AF, AC, RC, SR) and Vishay Dale CRCW series provide redundancy across supply sources. Rohm Semiconductor ESR18EZPJ5R1 offers an additional qualified alternative.

Frequently Asked Questions (FAQ)

Q: Can I substitute AF1206JR-075R1L with a ±1% tolerance part? A: Yes. AC1206FR-075R1L, RC1206FR-075R1L, and CRCW12065R10FNEA are direct substitutes with tighter ±1% tolerance. Tighter tolerance does not compromise compatibility and may improve circuit performance in precision applications.

Q: Are all substitute parts automotive-qualified? A: No. RC1206FR-075R1L and RC1206JR-075R1L do not carry AEC-Q200 rating. For automotive applications requiring AEC-Q200 compliance, use AC1206FR-075R1L, AC1206JR-075R1L, SR1206JR-075R1L, SR1206JR-7W5R1L, CRCW12065R10FNEA, CRCW12065R10JNEA, CRCW12065R10JNEAHP, or ESR18EZPJ5R1.

Q: What is the difference between 0.25W, 0.5W, and 0.75W power ratings? A: Power rating indicates maximum continuous power dissipation. Higher ratings provide greater thermal margin. SR1206JR-7W5R1L (0.5W), CRCW12065R10JNEAHP (0.75W), and ESR18EZPJ5R1 (0.5W) can replace the 0.25W AF1206JR-075R1L without electrical impact, but occupy the same 1206 package footprint.

Q: Can I use CRCW12065R10JNEAHP (Vishay Dale) as a drop-in replacement? A: Yes. CRCW12065R10JNEAHP maintains identical 5.1 Ohm resistance, ±5% tolerance, 1206 package, and operating temperature range. The 0.75W power rating and pulse withstanding feature are enhancements that do not affect compatibility.

Q: What packaging formats are available? A: Substitute parts are supplied in Tape & Reel (TR) or Cut Tape (CT) & Digi-Reel® formats. Verify packaging compatibility with your assembly process requirements.

Q: Are all parts ROHS3 compliant? A: Yes. All listed substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity level, matching the original AF1206JR-075R1L specification.

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