TAJS106M006RNJ Equivalent & Substitute Parts

Part Overview

The TAJS106M006RNJ is a 10 µF molded tantalum capacitor manufactured by KYOCERA AVX, rated for 6.3 V operation in a 1206 (3216 Metric) surface mount package. This component is classified as Active product status and is ROHS3 compliant. Substitute parts are identified when equivalent electrical performance and mechanical compatibility are maintained across the specified parameter ranges for this capacitor category.

Key Parameters

Parameter	Value
Capacitance	10 µF
Voltage Rating	6.3 V
Tolerance	±20%
Package / Case	1206 (3216 Metric)
ESR (Equivalent Series Resistance)	4 Ohm
Operating Temperature Range	-55°C ~ 125°C
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the TAJS106M006RNJ are classified based on the following criteria:

Upgrade Substitutes maintain identical electrical specifications (10 µF, 6.3 V, 1206 package) with improved tolerance (±10% vs. ±20%) or higher voltage rating (10 V), providing enhanced performance margins while preserving mechanical and thermal compatibility.

Manufacturer Recommended Substitutes provide equivalent electrical performance (10 µF, 6.3 V, 1206 package) with variations in ESR, packaging format, or manufacturer series. These parts are cross-compatible based on identical capacitance, voltage, and package dimensions.

Cross-Manufacturer Substitutes from alternative manufacturers (Vishay Sprague, KEMET) deliver the same electrical specifications and package footprint, enabling supply chain flexibility while maintaining circuit performance.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage Rating	Tolerance	ESR	Package	Height (Max)	RoHS Status
TAJS106M006RNJ	KYOCERA AVX	10 µF	6.3 V	±20%	4 Ohm	1206 (3216 Metric)	0.047" (1.20mm)	ROHS3
TAJS106K006RNJ	KYOCERA AVX	10 µF	6.3 V	±10%	4 Ohm	1206 (3216 Metric)	0.047" (1.20mm)	ROHS3
TAJS106K010RNJ	KYOCERA AVX	10 µF	10 V	±10%	4 Ohm	1206 (3216 Metric)	0.047" (1.20mm)	ROHS3
TAJA106M006RNJ	KYOCERA AVX	10 µF	6.3 V	±20%	4 Ohm	1206 (3216 Metric)	0.071" (1.80mm)	ROHS3
TPSA106M006R1500	KYOCERA AVX	10 µF	6.3 V	±20%	1.5 Ohm	1206 (3216 Metric)	0.071" (1.80mm)	ROHS3
293D106X06R3A2TE3	Vishay Sprague	10 µF	6.3 V	±20%	3.4 Ohm	1206 (3216 Metric)	0.071" (1.80mm)	ROHS3
T491A106M006AT	KEMET	10 µF	6.3 V	±20%	4 Ohm	1206 (3216 Metric)	0.071" (1.80mm)	ROHS3

Engineering Selection Recommendations

All listed substitute parts maintain Active product status and ROHS3 compliance, ensuring regulatory alignment with the original TAJS106M006RNJ specification.

TAJS106K006RNJ provides direct substitution with improved tolerance (±10%) while maintaining identical voltage, ESR, and package dimensions. This upgrade is suitable for applications requiring tighter capacitance control.

TAJS106K010RNJ offers higher voltage rating (10 V) with improved tolerance (±10%), providing additional safety margin in circuits operating below 6.3 V. Identical package footprint and ESR ensure mechanical and thermal compatibility.

TAJA106M006RNJ is manufacturer-recommended with identical electrical specifications but increased seated height (0.071" vs. 0.047"). Verify PCB clearance before substitution.

TPSA106M006R1500 features reduced ESR (1.5 Ohm vs. 4 Ohm), beneficial for applications sensitive to ripple current or requiring lower impedance. Increased height requires clearance verification.

293D106X06R3A2TE3 (Vishay Sprague) delivers equivalent performance with ESR of 3.4 Ohm and increased height. Cross-manufacturer substitution is electrically compatible with identical package footprint.

T491A106M006AT (KEMET) provides direct electrical equivalence with 2000 Hrs @ 125°C lifetime rating and increased height. Suitable for long-term reliability applications.

Frequently Asked Questions (FAQ)

Q: Can TAJS106K006RNJ replace TAJS106M006RNJ directly? A: Yes. Both parts share identical capacitance (10 µF), voltage rating (6.3 V), ESR (4 Ohm), and package dimensions (1206). The upgrade offers improved tolerance (±10% vs. ±20%).

Q: What is the impact of ESR differences between substitute parts? A: ESR affects ripple current handling and thermal performance. Lower ESR (TPSA106M006R1500 at 1.5 Ohm) reduces heat generation; higher ESR (TAJS106M006RNJ at 4 Ohm) increases impedance. Select based on circuit ripple current requirements.

Q: Are there height restrictions when using TAJA106M006RNJ or TPSA106M006R1500? A: Yes. These parts have seated height of 0.071" (1.80mm) compared to 0.047" (1.20mm) for TAJS106M006RNJ and TAJS106K series. Verify PCB clearance and component placement before substitution.

Q: Can cross-manufacturer parts (Vishay, KEMET) be used interchangeably? A: Yes, provided electrical specifications (10 µF, 6.3 V, ±20% tolerance) and package footprint (1206) match. All listed cross-manufacturer parts meet these criteria and are ROHS3 compliant.

Q: Is TAJS106K010RNJ suitable for 6.3 V circuits? A: Yes. The 10 V rating provides overvoltage margin for 6.3 V operation. This upgrade is suitable for circuits where voltage transients or design margin are considerations.

Q: What does MSL 1 (Unlimited) mean for moisture sensitivity? A: MSL 1 indicates the component has unlimited shelf life without moisture bake-out requirements, simplifying storage and handling procedures.

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