TRR18EZPJ331 Equivalent & Substitute Parts

Part Overview

The TRR18EZPJ331 is a 330 Ohm ±5% 0.25W thick film chip resistor in 1206 (3216 Metric) package manufactured by Rohm Semiconductor. This component is classified as obsolete, necessitating identification of equivalent and substitute parts for ongoing design support and procurement. The part features anti-sulfur construction with operating temperature range of -55°C to 155°C and is RoHS3 compliant with MSL 1 rating.

Key Parameters

Parameter	Value
Resistance	330 Ohms
Tolerance	±5%
Power Rating	0.25W (1/4W)
Package	1206 (3216 Metric)
Composition	Thick Film
Temperature Coefficient	±200ppm/°C
Operating Temperature	-55°C ~ 155°C
RoHS Status	RoHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict parameter matching across five critical dimensions:

Resistance & Tolerance: All substitute parts must maintain 330 Ohms resistance. Direct substitutes match the ±5% tolerance; upgrade substitutes offer improved ±1% tolerance while maintaining functional compatibility.

Power Rating & Package: All candidates maintain 0.25W rating in 1206 (3216 Metric) package, ensuring mechanical and thermal compatibility.

Composition & Temperature Range: All parts use thick film construction with -55°C to 155°C operating range, preserving thermal performance characteristics.

Compliance & Environmental: All substitutes maintain RoHS3 compliance and MSL 1 rating, ensuring regulatory and moisture handling compatibility.

Manufacturer Availability: Parts are categorized as Direct (equivalent specifications), Upgrade (improved tolerance), or Similar (minor feature variations) based on exact parameter alignment with the main part.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Operating Temp (°C)	Package	Product Status	RoHS Status
TRR18EZPJ331	Rohm Semiconductor	330Ω	±5%	0.25	±200	-55 ~ 155	1206	Obsolete	RoHS3
TRR18EZPF3300	Rohm Semiconductor	330Ω	±1%	0.25	±100	-55 ~ 155	1206	Obsolete	RoHS3
AA1206JR-07330RL	YAGEO	330Ω	±5%	0.25	±150	-55 ~ 155	1206	Active	RoHS3
ERJ-S08J331V	Panasonic Electronic Components	330Ω	±5%	0.25	±200	-55 ~ 155	1206	Active	RoHS3
ERJ-S08F3300V	Panasonic Electronic Components	330Ω	±1%	0.25	±100	-55 ~ 155	1206	Active	RoHS3
CR1206-JW-331ELF	Bourns Inc.	330Ω	±5%	0.25	±200	-55 ~ 155	1206	Active	RoHS3
CRCW1206330RJNEAC	Vishay Dale	330Ω	±5%	0.25	±200	-55 ~ 155	1206	Active	RoHS3
CRCW1206330RJNEAIF	Vishay Dale	330Ω	±5%	0.25	±200	-55 ~ 155	1206	Active	RoHS3
CRCW1206330RJNEB	Vishay Dale	330Ω	±5%	0.25	±200	-55 ~ 155	1206	Discontinued	RoHS3
CRCW1206330RJNEBC	Vishay Dale	330Ω	±5%	0.25	±200	-55 ~ 155	1206	Active	RoHS3
CRCW1206330RJNTB	Vishay Dale	330Ω	±5%	0.25	±200	-55 ~ 155	1206	Discontinued	RoHS non-compliant

Engineering Selection Recommendations

Direct Substitutes (Equivalent Specifications): AA1206JR-07330RL (YAGEO), ERJ-S08J331V (Panasonic), CR1206-JW-331ELF (Bourns), CRCW1206330RJNEAC (Vishay Dale), and CRCW1206330RJNEBC (Vishay Dale) provide direct functional equivalence with active product status and full RoHS3 compliance. These parts maintain identical resistance, tolerance, power rating, and package specifications.

Upgrade Substitutes (Improved Tolerance): TRR18EZPF3300 (Rohm) and ERJ-S08F3300V (Panasonic) offer ±1% tolerance with reduced temperature coefficient (±100ppm/°C versus ±200ppm/°C), providing enhanced precision for applications requiring tighter tolerance control. Both maintain active or equivalent status with full compliance.

Discontinued Parts (Limited Availability): CRCW1206330RJNEB and CRCW1206330RJNTB are discontinued at DiGi Electronics. CRCW1206330RJNTB additionally carries RoHS non-compliance and REACH affected status, making it unsuitable for new designs.

Preferred Selection Path: For new designs, prioritize active-status parts: AA1206JR-07330RL, ERJ-S08J331V, CR1206-JW-331ELF, CRCW1206330RJNEAC, or CRCW1206330RJNEBC. For applications requiring improved tolerance, select ERJ-S08F3300V or TRR18EZPF3300.

Frequently Asked Questions (FAQ)

Q: Can I use a ±1% tolerance part as a direct replacement for the ±5% TRR18EZPJ331? A: Yes. The upgrade substitutes TRR18EZPF3300 and ERJ-S08F3300V maintain all critical parameters (330Ω, 0.25W, 1206 package, -55°C to 155°C) while providing superior tolerance performance. This represents a specification improvement with no compatibility concerns.

Q: Are all substitute parts mechanically compatible with the 1206 package footprint? A: All listed substitutes use the 1206 (3216 Metric) package. Minor dimensional variations exist (height ranges 0.024" to 0.030"), but these fall within standard PCB assembly tolerances and do not affect mechanical compatibility.

Q: Which substitute offers the best long-term availability? A: YAGEO (AA1206JR-07330RL), Panasonic (ERJ-S08J331V), Bourns (CR1206-JW-331ELF), and Vishay Dale (CRCW1206330RJNEAC, CRCW1206330RJNEBC) all maintain active product status. Vishay Dale offers the highest inventory levels (151,527 pcs for CRCW1206330RJNEAC).

Q: Do automotive-rated parts (AEC-Q200) provide additional benefits for non-automotive applications? A: AEC-Q200 certification indicates enhanced reliability testing and stricter manufacturing controls. Parts like AA1206JR-07330RL, ERJ-S08J331V, CRCW1206330RJNEAIF, CRCW1206330RJNEB, and CRCW1206330RJNTB carry this rating. Use in non-automotive applications provides no functional advantage but ensures higher quality assurance.

Q: Is RoHS3 compliance mandatory for all substitutes? A: For new designs, RoHS3 compliance is standard. CRCW1206330RJNTB is RoHS non-compliant and should not be selected. All other listed substitutes maintain full RoHS3 compliance.

Q: What is the significance of the temperature coefficient difference between ±200ppm/°C and ±100ppm/°C? A: Temperature coefficient defines resistance drift over the operating range. The ±100ppm/°C upgrade substitutes (TRR18EZPF3300, ERJ-S08F3300V) experience half the resistance variation across temperature extremes, improving circuit stability in thermally dynamic environments.

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