AC1206JR-0733RL Equivalent & Substitute Parts

Part Overview

The AC1206JR-0733RL is a 33 Ohm ±5% 0.25W thick film chip resistor in 1206 (3216 Metric) package manufactured by YAGEO. This automotive-grade component features AEC-Q200 qualification and moisture resistance, designed for applications requiring reliable performance across -55°C to 155°C operating temperature range. The part is currently active in production with 1051 units in stock.

Substitute parts are identified when electrical parameters (resistance value, tolerance, power rating) and mechanical specifications (package size, termination count) remain compatible with the original design requirements, while potentially offering improved performance characteristics or enhanced availability.

Key Parameters

Parameter	Value
Resistance	33 Ohms
Tolerance	±5%
Power Rating	0.25W (1/4W)
Package / Case	1206 (3216 Metric)
Composition	Thick Film
Operating Temperature	-55°C ~ 155°C
Temperature Coefficient	±100ppm/°C
Number of Terminations	2
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution compatibility is determined by the following critical parameters:

Mandatory Compatibility Criteria:

Resistance value: 33 Ohms (exact match required)
Package / Case: 1206 (3216 Metric) (exact match required)
Number of Terminations: 2 (exact match required)
Operating Temperature Range: -55°C ~ 155°C minimum (equal or exceeding)
Temperature Coefficient: ±100ppm/°C (equal or better tolerance)
RoHS Status: ROHS3 Compliant (required)
Moisture Sensitivity Level: 1 (Unlimited) (required)

Allowable Variation Parameters:

Tolerance: ±5% or tighter (±1%, ±0.5% acceptable as upgrades)
Power Rating: 0.25W or higher (0.5W, 0.667W, 0.75W acceptable as upgrades)
Composition: Thick Film (consistent across all substitutes)
Features: Additional certifications (AEC-Q200, Anti-Sulfur, Pulse Withstanding) acceptable

Substitute parts are grouped by tolerance level and power rating enhancement, with product status and manufacturer availability as secondary considerations.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op. Temp (°C)	Product Status	AEC-Q200
AC1206JR-0733RL	YAGEO	33 Ω	±5%	0.25	1206	±100ppm/°C	-55 ~ 155	Active	Yes
AC1206FR-0733RL	YAGEO	33 Ω	±1%	0.25	1206	±100ppm/°C	-55 ~ 155	Active	Yes
RC1206FR-0733RL	YAGEO	33 Ω	±1%	0.25	1206	±100ppm/°C	-55 ~ 155	Active	No
RC1206JR-0733RL	YAGEO	33 Ω	±5%	0.25	1206	±100ppm/°C	-55 ~ 155	Active	No
CR1206-FX-33R0ELF	Bourns Inc.	33 Ω	±1%	0.25	1206	±100ppm/°C	-55 ~ 155	Active	No
CRCW120633R0FKEA	Vishay Dale	33 Ω	±1%	0.25	1206	±100ppm/°C	-55 ~ 155	Active	Yes
CRCW120633R0FKEAHP	Vishay Dale	33 Ω	±1%	0.75	1206	±100ppm/°C	-55 ~ 155	Active	Yes
CRS1206-FX-33R0ELF	Bourns Inc.	33 Ω	±1%	0.5	1206	±100ppm/°C	-55 ~ 155	Active	No
ERJ-8ENF33R0V	Panasonic	33 Ω	±1%	0.25	1206	±100ppm/°C	-55 ~ 155	Not For New Designs	Yes
ERJ-P08D33R0V	Panasonic	33 Ω	±0.5%	0.667	1206	±100ppm/°C	-55 ~ 155	Active	Yes
ERJ-S08F33R0V	Panasonic	33 Ω	±1%	0.25	1206	±100ppm/°C	-55 ~ 155	Active	Yes

Engineering Selection Recommendations

Direct Equivalent (Same Tolerance & Power): RC1206JR-0733RL (YAGEO) provides identical electrical and mechanical specifications to the original AC1206JR-0733RL. Both are ±5% tolerance, 0.25W rated components in 1206 package. The RC series represents YAGEO's standard moisture-resistant thick film line without automotive AEC-Q200 qualification.

Upgraded Tolerance (±1% vs ±5%): AC1206FR-0733RL (YAGEO) and CRCW120633R0FKEA (Vishay Dale) both offer ±1% tolerance with maintained 0.25W power rating and 1206 package. AC1206FR-0733RL retains AEC-Q200 automotive qualification. CRCW120633R0FKEA also carries AEC-Q200 rating with higher inventory availability (148,256 units).

Enhanced Power Rating: CRCW120633R0FKEAHP (Vishay Dale) provides 0.75W power rating (3× original) while maintaining ±1% tolerance, 33 Ohm resistance, and AEC-Q200 qualification. This variant accommodates higher pulse withstanding requirements within the same 1206 package footprint.

Precision Grade (±0.5% Tolerance): ERJ-P08D33R0V (Panasonic) delivers ±0.5% tolerance with 0.667W power rating, AEC-Q200 qualification, and pulse withstanding capability. This represents the highest precision option among available substitutes.

Anti-Sulfur Variant: ERJ-S08F33R0V (Panasonic) combines ±1% tolerance, 0.25W rating, AEC-Q200 qualification, and anti-sulfur protection for applications requiring enhanced corrosion resistance.

Discontinued Status Consideration: ERJ-8ENF33R0V (Panasonic) is marked "Not For New Designs" despite meeting all electrical and mechanical compatibility criteria. This part remains available (48,524 units in stock) but should not be selected for new product development.

Frequently Asked Questions (FAQ)

Q: Can I substitute AC1206JR-0733RL with a ±1% tolerance part? A: Yes. Parts with ±1% tolerance (AC1206FR-0733RL, CRCW120633R0FKEA, ERJ-8ENF33R0V, ERJ-S08F33R0V, CR1206-FX-33R0ELF) are direct electrical substitutes. The tighter tolerance represents an upgrade that maintains backward compatibility with designs tolerating ±5% variance.

Q: What is the difference between AC1206JR-0733RL and RC1206JR-0733RL? A: Both are YAGEO 33 Ohm ±5% 0.25W 1206 resistors with identical electrical specifications. AC series includes AEC-Q200 automotive qualification; RC series provides moisture-resistant thick film without automotive certification. Selection depends on application requirements.

Q: Can I use CRCW120633R0FKEAHP (0.75W) as a direct replacement? A: Yes, mechanically and electrically. The higher power rating (0.75W vs 0.25W) provides additional thermal margin and pulse withstanding capability. The 1206 package dimensions remain identical. This substitution is suitable when enhanced reliability or higher transient current handling is required.

Q: Are all substitute parts RoHS3 compliant? A: Yes. All listed substitute parts carry ROHS3 Compliant status and Moisture Sensitivity Level 1 (Unlimited), matching the original AC1206JR-0733RL specifications.

Q: Which substitute offers the best availability? A: CRCW120633R0FKEA (Vishay Dale) provides the highest inventory level at 148,256 units in stock, combined with AEC-Q200 qualification, ±1% tolerance, and 0.25W power rating.

Q: Should I avoid ERJ-8ENF33R0V? A: ERJ-8ENF33R0V is electrically and mechanically compatible but carries "Not For New Designs" product status. Use this part only for legacy system maintenance or repair applications. For new product development, select from active-status alternatives.

Q: What is the temperature coefficient significance? A: All listed parts maintain ±100ppm/°C temperature coefficient, ensuring consistent resistance stability across the -55°C to 155°C operating range. This parameter is identical across all substitutes and does not differentiate selection.

Q: Can package dimensions vary between substitutes? A: All substitutes use 1206 (3216 Metric) package with 2 terminations. Minor dimensional variations exist (length 0.122" to 0.126", height 0.024" to 0.030") but remain within standard 1206 footprint tolerances suitable for PCB reflow assembly without design modification.

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