TE Connectivity 6-1879062-2 Equivalent & Substitute Parts

Part Overview

The TE Connectivity 6-1879062-2 is a 0.68 µF molded tantalum capacitor rated for 25 V operation in a 1206 (3216 Metric) surface mount package. This component is classified as obsolete, necessitating identification of active equivalent and substitute parts for ongoing design requirements and procurement needs. The part features a ±20% capacitance tolerance, 6Ohm equivalent series resistance (ESR), and operates across the temperature range of -55°C to 125°C.

Key Parameters

Parameter	Value
Capacitance	0.68 µF
Voltage Rating	25 V
Tolerance	±20%
Type	Molded Tantalum
ESR (Equivalent Series Resistance)	6 Ohm
Package / Case	1206 (3216 Metric)
Mounting Type	Surface Mount
Operating Temperature Range	-55°C to 125°C
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution of the TE Connectivity 6-1879062-2 is determined by strict adherence to the following electrical and mechanical parameters:

Critical Parameters for Direct Substitution:

Capacitance: 0.68 µF (exact match required)
Voltage Rating: 25 V (minimum requirement)
Tolerance: ±20% (acceptable match)
Package / Case: 1206 (3216 Metric) (exact match required)
Mounting Type: Surface Mount (exact match required)
Operating Temperature Range: -55°C to 125°C (exact match required)
Type: Molded Tantalum (exact match required)

Parameters Allowing Variation:

ESR (Equivalent Series Resistance): Values between 6 Ohm and 10 Ohm are acceptable within the molded tantalum capacitor category
Voltage Rating: Parts rated at 35 V are acceptable upgrades for 25 V applications
Tolerance: ±10% tolerance represents an upgrade from ±20% tolerance

Substitute parts are grouped into three categories: Direct Equivalents (matching all critical parameters), Tolerance Upgrades (±10% tolerance with same voltage), and Voltage Upgrades (35 V rating with same or improved tolerance).

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Tolerance	ESR (Ohm)	Package	Status	RoHS
6-1879062-2	TE Connectivity	0.68 µF	25 V	±20%	6	1206	Obsolete	N/A
TPSA684M025R6000	KYOCERA AVX	0.68 µF	25 V	±20%	6	1206	Active	ROHS3
TPSA684K025R6000	KYOCERA AVX	0.68 µF	25 V	±10%	6	1206	Active	ROHS3
TPSA684K035R6000	KYOCERA AVX	0.68 µF	35 V	±10%	6	1206	Active	ROHS3
TPSA684K035Y6000	KYOCERA AVX	0.68 µF	35 V	±10%	6	1206	Active	ROHS3
TPSA684M035R6000	KYOCERA AVX	0.68 µF	35 V	±20%	6	1206	Active	ROHS3
293D684X0025A2TE3	Vishay Sprague	0.68 µF	25 V	±20%	8.4	1206	Active	ROHS3
TAJA684M025RNJ	KYOCERA AVX	0.68 µF	25 V	±20%	10	1206	Active	ROHS3
TAJS684M025RNJ	KYOCERA AVX	0.68 µF	25 V	±20%	10	1206	Active	ROHS3

Engineering Selection Recommendations

Direct Equivalent (Recommended Primary Choice):

TPSA684M025R6000 (KYOCERA AVX) provides the closest functional equivalence to the obsolete TE Connectivity 6-1879062-2. This part maintains identical electrical specifications: 0.68 µF capacitance, 25 V voltage rating, ±20% tolerance, and 6 Ohm ESR. The part is active in production status and carries ROHS3 compliance certification. This selection eliminates design modification requirements and ensures pin-for-pin compatibility.

Tolerance Upgrade Option:

TPSA684K025R6000 (KYOCERA AVX) offers improved capacitance tolerance of ±10% while maintaining the 25 V voltage rating and 6 Ohm ESR specification. This part is suitable for applications requiring tighter capacitance control. Active production status and ROHS3 compliance are confirmed.

Voltage Upgrade Options:

TPSA684K035R6000, TPSA684K035Y6000, and TPSA684M035R6000 (KYOCERA AVX) provide 35 V voltage ratings with the same 0.68 µF capacitance and 1206 package. These parts are applicable to designs requiring enhanced voltage margin or operating in higher voltage environments. All three parts maintain active production status and ROHS3 compliance.

Alternative Manufacturer Options:

293D684X0025A2TE3 (Vishay Sprague) and TAJA684M025RNJ / TAJS684M025RNJ (KYOCERA AVX) provide functional equivalence with variations in ESR specification (8.4 Ohm and 10 Ohm respectively). These parts are suitable for applications where ESR variation within the molded tantalum capacitor category is acceptable. All alternatives carry active production status and ROHS3 compliance.

Frequently Asked Questions (FAQ)

Q: Can TPSA684M025R6000 be used as a direct replacement for 6-1879062-2?

A: Yes. TPSA684M025R6000 matches all critical parameters: 0.68 µF capacitance, 25 V voltage rating, ±20% tolerance, 6 Ohm ESR, 1206 package, and surface mount configuration. The part is active in production and carries ROHS3 compliance certification.

Q: What is the difference between TPSA684K025R6000 and TPSA684M025R6000?

A: The primary difference is capacitance tolerance. TPSA684K025R6000 provides ±10% tolerance, while TPSA684M025R6000 provides ±20% tolerance. Both parts maintain identical voltage rating (25 V), ESR (6 Ohm), and package specifications. Selection depends on application tolerance requirements.

Q: Are 35 V rated parts suitable for 25 V applications?

A: Yes. Parts rated for 35 V operation are suitable for 25 V applications. The higher voltage rating provides additional safety margin and does not affect electrical performance at the lower operating voltage. TPSA684K035R6000, TPSA684K035Y6000, and TPSA684M035R6000 are all acceptable for 25 V circuit requirements.

Q: What is the significance of ESR variation between 6 Ohm and 10 Ohm?

A: ESR (Equivalent Series Resistance) affects high-frequency performance and ripple current handling. Parts with 6 Ohm ESR (TPSA684M025R6000, TPSA684K025R6000) provide superior high-frequency characteristics compared to 10 Ohm ESR alternatives (TAJA684M025RNJ, TAJS684M025RNJ). Selection depends on circuit frequency requirements and ripple current specifications.

Q: Is the TAJS684M025RNJ package height different from other 1206 parts?

A: Yes. TAJS684M025RNJ has a maximum seated height of 0.047" (1.20mm), while most other 1206 parts specify 0.071" (1.80mm). This difference is significant for applications with height constraints. Verify PCB layout clearance requirements before substitution.

Q: Do all substitute parts carry ROHS3 compliance?

A: All active substitute parts listed carry ROHS3 compliance certification. The original TE Connectivity 6-1879062-2 does not specify RoHS status due to its obsolete classification. ROHS3 compliance is confirmed for TPSA684M025R6000, TPSA684K025R6000, TPSA684K035R6000, TPSA684K035Y6000, TPSA684M035R6000, 293D684X0025A2TE3, TAJA684M025RNJ, and TAJS684M025RNJ.

Q: What is the operating temperature range for all substitute parts?

A: All substitute parts maintain the same operating temperature range as the original part: -55°C to 125°C. This specification is consistent across all KYOCERA AVX TPS, TAJ, and TAJS series parts, as well as the Vishay Sprague 293D series.

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