TE Connectivity 7-1879062-8 Equivalent & Substitute Parts

Part Overview

The TE Connectivity 7-1879062-8 is a 0.47 µF molded tantalum capacitor rated for 35 V with ±20% tolerance in a 1206 (3216 Metric) surface mount package. This component is classified as obsolete, necessitating identification of active equivalent and substitute parts for ongoing production and maintenance applications. The part features 4Ohm equivalent series resistance (ESR) and operates across the temperature range of -55°C to 125°C. Substitute parts are selected based on matching or improved electrical and mechanical specifications within the molded tantalum capacitor category.

Key Parameters

Parameter	Specification
Capacitance	0.47 µF
Voltage Rating	35 V
Tolerance	±20%
Type	Molded Tantalum
Package / Case	1206 (3216 Metric)
Mounting Type	Surface Mount
ESR (Equivalent Series Resistance)	4Ohm
Operating Temperature Range	-55°C to 125°C
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Size / Dimension	0.126" L x 0.063" W (3.20mm x 1.60mm)
Height - Seated (Max)	0.071" (1.80mm)

Substitute Part Grouping Explanation

Substitute parts for the TE Connectivity 7-1879062-8 are classified into three categories based on electrical and mechanical compatibility:

Direct Equivalents (Matching Specifications): Parts with identical capacitance (0.47 µF), voltage rating (35 V), tolerance (±20%), package (1206), and ESR (4Ohm). These parts are fully interchangeable without circuit redesign.

Upgraded Tolerance Parts (Improved Tolerance): Parts with identical capacitance, voltage rating, and package, but with ±10% tolerance instead of ±20%. These parts offer tighter capacitance tolerance while maintaining the same physical footprint and electrical performance envelope. ESR remains at 4Ohm.

Similar Parts (Variant ESR or Height): Parts matching capacitance, voltage rating, tolerance, and package, but with different ESR values (6Ohm, 10Ohm, or 12Ohm) or reduced seated height. These parts are suitable for applications where ESR variation is acceptable within circuit design margins.

The key parameters determining substitution eligibility are: capacitance value, voltage rating, package type, mounting type, and operating temperature range. All substitute parts maintain the 1206 (3216 Metric) surface mount package and -55°C to 125°C operating temperature range.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Tolerance	ESR	Package	Height (Max)	Product Status	RoHS Status
7-1879062-8	TE Connectivity	0.47 µF	35 V	±20%	4Ohm	1206	0.071"	Obsolete	REACH Unaffected
TR3A474M035C4000	Vishay Sprague	0.47 µF	35 V	±20%	4Ohm	1206	0.071"	Active	ROHS3 Compliant
593D474X9035A2TE3	Vishay Sprague	0.47 µF	35 V	±10%	4Ohm	1206	0.071"	Active	ROHS3 Compliant
TR3A474K035C4000	Vishay Sprague	0.47 µF	35 V	±10%	4Ohm	1206	0.071"	Active	ROHS3 Compliant
293D474X0035A2TE3	Vishay Sprague	0.47 µF	35 V	±20%	10Ohm	1206	0.071"	Active	ROHS3 Compliant
TAJA474M035RNJ	KYOCERA AVX	0.47 µF	35 V	±20%	12Ohm	1206	0.071"	Active	ROHS3 Compliant
TAJS474M035RNJ	KYOCERA AVX	0.47 µF	35 V	±20%	12Ohm	1206	0.047"	Active	ROHS3 Compliant
TPSA474M035R6000	KYOCERA AVX	0.47 µF	35 V	±20%	6Ohm	1206	0.071"	Active	ROHS3 Compliant

Engineering Selection Recommendations

For Direct Replacement (No Circuit Redesign Required):

TR3A474M035C4000 (Vishay Sprague) is the primary direct equivalent. This part maintains identical electrical specifications (0.47 µF, 35 V, ±20%, 4Ohm ESR) and physical dimensions. The part is active and ROHS3 compliant, providing long-term supply continuity.

For Improved Tolerance Applications:

593D474X9035A2TE3 and TR3A474K035C4000 (both Vishay Sprague) offer ±10% tolerance while maintaining 4Ohm ESR and identical package dimensions. These parts are suitable for applications requiring tighter capacitance accuracy. Both are active and ROHS3 compliant.

For ESR-Variant Applications:

TPSA474M035R6000 (KYOCERA AVX) provides 6Ohm ESR, representing a moderate increase from the original 4Ohm specification. This part is suitable for applications where slightly higher ESR is acceptable.

293D474X0035A2TE3 (Vishay Sprague) and TAJA474M035RNJ (KYOCERA AVX) feature higher ESR values (10Ohm and 12Ohm respectively) and are suitable only for applications with ESR tolerance margins.

For Space-Constrained Designs:

TAJS474M035RNJ (KYOCERA AVX) offers a reduced seated height of 0.047" compared to the standard 0.071", enabling use in applications with vertical space limitations while maintaining all other electrical specifications.

All substitute parts are active products with ROHS3 compliance, ensuring regulatory alignment and supply availability.

Frequently Asked Questions (FAQ)

Q: Can TR3A474M035C4000 be used as a direct replacement for 7-1879062-8?

A: Yes. TR3A474M035C4000 matches all critical electrical and mechanical parameters: 0.47 µF capacitance, 35 V voltage rating, ±20% tolerance, 4Ohm ESR, and 1206 package with 0.071" seated height. No circuit modifications are required.

Q: What is the difference between the ±20% and ±10% tolerance parts?

A: Tolerance specifies the allowable deviation of actual capacitance from the nominal value. ±20% tolerance allows capacitance to range from 0.376 µF to 0.564 µF. ±10% tolerance restricts the range to 0.423 µF to 0.517 µF. Applications requiring tighter capacitance accuracy should use ±10% parts (593D474X9035A2TE3 or TR3A474K035C4000).

Q: Why do some substitute parts have different ESR values?

A: ESR (Equivalent Series Resistance) varies based on internal construction and manufacturing process. The original part specifies 4Ohm ESR. Substitute parts with 6Ohm, 10Ohm, or 12Ohm ESR are suitable only for applications where the circuit design accommodates higher ESR without performance degradation. ESR affects impedance characteristics and heat dissipation.

Q: Is TAJS474M035RNJ compatible with the original part?

A: TAJS474M035RNJ is electrically compatible (0.47 µF, 35 V, ±20%, 12Ohm ESR) but has a reduced seated height of 0.047" versus the original 0.071". This part is suitable for space-constrained PCB layouts. The higher ESR (12Ohm) must be evaluated against circuit requirements.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements for electronic components in most jurisdictions.

Q: What is the difference between Tape & Reel (TR) and Cut Tape (CT) packaging?

A: Tape & Reel packaging supplies components on continuous tape wound on reels, suitable for high-volume automated assembly. Cut Tape & Digi-Reel packaging provides components on cut tape segments, suitable for lower-volume or mixed-component assembly. Both packaging formats contain identical components; packaging selection depends on assembly process requirements.

Q: Can I use multiple substitute parts interchangeably in the same design?

A: Direct equivalents (TR3A474M035C4000) are fully interchangeable. Upgraded tolerance parts (593D474X9035A2TE3, TR3A474K035C4000) are interchangeable with each other and with the original. ESR-variant parts (293D474X0035A2TE3, TAJA474M035RNJ, TPSA474M035R6000, TAJS474M035RNJ) require circuit evaluation to confirm ESR tolerance. Height-variant parts (TAJS474M035RNJ) require PCB layout verification.

Q: What is Moisture Sensitivity Level (MSL)?

A: MSL 1 (Unlimited) indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. This classification applies to all listed parts, simplifying inventory management and logistics.

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