Equivalent & Substitute Parts for ERJ-S03F1912V

Part Overview

The ERJ-S03F1912V is a 19.1 kOhms ±1% thick film chip resistor manufactured by Panasonic Electronic Components in the 0603 (1608 Metric) package format. This component is rated for 0.1W power dissipation and features anti-sulfur properties with automotive AEC-Q200 qualification. The part is currently active in production with 909 units in stock. Equivalent and substitute parts are identified to support procurement flexibility, supply chain continuity, and design requirements across multiple manufacturing sources.

Key Parameters

Parameter	Value
Resistance	19.1 kOhms
Tolerance	±1%
Power Rating	0.1W (1/10W)
Package / Case	0603 (1608 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C ~ 155°C
Moisture Sensitivity Level	1 (Unlimited)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the ERJ-S03F1912V is determined by strict equivalence across the following parameters: resistance value (19.1 kOhms), tolerance (±1%), power rating (0.1W), package format (0603), composition (thick film), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C ~ 155°C). All identified substitute parts meet these core electrical and mechanical specifications. Packaging format (Tape & Reel versus Cut Tape) and minor dimensional variations within the 0603 standard do not affect functional interchangeability. Compliance certifications, including AEC-Q200 automotive rating and RoHS status, are noted as secondary selection criteria for specific application requirements.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Operating Temp	AEC-Q200	RoHS Status	Inventory (Pcs)
ERJ-S03F1912V	Panasonic	19.1 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	ROHS3	909
ERJ-3EKF1912V	Panasonic	19.1 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	ROHS3	102336
AC0603FR-0719K1L	YAGEO	19.1 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	ROHS3	13231
CR0603-FX-1912ELF	Bourns Inc.	19.1 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	No	ROHS3	33921
CRCW060319K1FKEA	Vishay Dale	19.1 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	ROHS3	80106
CRCW060319K1FKTA	Vishay Dale	19.1 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Non-compliant	4055
RC0603FR-0719K1L	YAGEO	19.1 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	No	ROHS3	279980
RMCF0603FT19K1	Stackpole Electronics Inc	19.1 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	ROHS3	95175

Engineering Selection Recommendations

All substitute parts listed are electrically and mechanically equivalent to the ERJ-S03F1912V and support direct replacement in circuit designs. Selection among substitutes should prioritize the following criteria:

Automotive Applications: For designs requiring AEC-Q200 compliance, select from ERJ-3EKF1912V, AC0603FR-0719K1L, CRCW060319K1FKEA, CRCW060319K1FKTA, or RMCF0603FT19K1. The CR0603-FX-1912ELF and RC0603FR-0719K1L do not carry AEC-Q200 certification.

RoHS Compliance: For applications requiring ROHS3 compliance, all parts except CRCW060319K1FKTA are suitable. CRCW060319K1FKTA is RoHS non-compliant and REACH affected.

Supply Availability: RC0603FR-0719K1L offers the highest inventory level (279,980 units), followed by ERJ-3EKF1912V (102,336 units) and RMCF0603FT19K1 (95,175 units). CRCW060319K1FKTA has the lowest availability (4,055 units).

Packaging Format: ERJ-S03F1912V, ERJ-3EKF1912V, AC0603FR-0719K1L, RMCF0603FT19K1, and RC0603FR-0719K1L are supplied in Tape & Reel format. CRCW060319K1FKEA and CRCW060319K1FKTA are available in Tape & Reel and Cut Tape & Digi-Reel formats respectively.

Frequently Asked Questions (FAQ)

Q: Can ERJ-3EKF1912V replace ERJ-S03F1912V directly?

A: Yes. Both parts are manufactured by Panasonic, share identical electrical specifications (19.1 kΩ ±1%, 0.1W, 0603 package), and operate across the same temperature range (-55°C ~ 155°C). The primary difference is the series designation (ERJ-3EK versus ERJ-S03). ERJ-3EKF1912V has significantly higher inventory availability.

Q: What is the difference between AEC-Q200 rated and non-rated substitutes?

A: AEC-Q200 is an automotive qualification standard. Parts carrying this rating (ERJ-3EKF1912V, AC0603FR-0719K1L, CRCW060319K1FKEA, CRCW060319K1FKTA, RMCF0603FT19K1) have undergone additional reliability testing for automotive applications. Non-rated parts (CR0603-FX-1912ELF, RC0603FR-0719K1L) are suitable for general industrial and consumer applications but should not be used in automotive designs requiring AEC-Q200 compliance.

Q: Are there dimensional differences between substitute parts?

A: Minor dimensional variations exist within the 0603 standard. The ERJ-S03F1912V measures 0.063" L × 0.031" W (1.60mm × 0.80mm) with a maximum seated height of 0.022" (0.55mm). CRCW060319K1FKEA and CRCW060319K1FKTA measure 0.061" L × 0.033" W (1.55mm × 0.85mm) with a maximum seated height of 0.020" (0.50mm). RMCF0603FT19K1 measures 0.061" L × 0.031" W (1.55mm × 0.80mm). These variations remain within 0603 package tolerances and do not affect PCB layout compatibility.

Q: What is the significance of Moisture Sensitivity Level (MSL)?

A: All listed parts carry MSL 1 (Unlimited), indicating no moisture sensitivity restrictions. These components do not require special moisture control during storage, handling, or assembly.

Q: Which substitute offers the best supply chain stability?

A: RC0603FR-0719K1L from YAGEO provides the highest inventory level at 279,980 units, supporting consistent long-term availability. ERJ-3EKF1912V (102,336 units) and RMCF0603FT19K1 (95,175 units) also provide robust supply positions.

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