TCA0J335M8R Equivalent & Substitute Parts

Part Overview

The TCA0J335M8R is a 3.3 µF molded tantalum capacitor rated at 6.3 V in 1206 (3216 Metric) surface mount package, manufactured by Rohm Semiconductor. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement continuity. The part operates across the industrial temperature range of -55°C to 125°C with general-purpose applications and ROHS3 compliance.

Key Parameters

Parameter	Value
Capacitance	3.3 µF
Tolerance	±20%
Voltage Rating	6.3 V
Type	Molded Tantalum
Package / Case	1206 (3216 Metric)
ESR (Equivalent Series Resistance)	5.6 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

Substitution eligibility for the TCA0J335M8R is determined by the following critical parameters:

Direct Equivalents maintain identical electrical specifications: 3.3 µF capacitance, ±20% tolerance, 6.3 V voltage rating, 1206 package, and -55°C to 125°C operating range. ESR values within acceptable manufacturing variance (5.6–6.3 Ohm) are permissible.

Upgrade Substitutes increase the voltage rating to 10 V while maintaining 3.3 µF capacitance and 1206 package compatibility. These parts provide enhanced voltage margin and are electrically compatible in applications where the original 6.3 V rating is not a design constraint. Tolerance may be ±20% or ±10%.

Similar Substitutes match the original specifications but may exhibit variations in ESR or physical height that do not affect electrical performance within the 1206 package envelope.

All substitute parts must maintain:

3.3 µF capacitance value
1206 (3216 Metric) surface mount package
-55°C to 125°C operating temperature range
ROHS3 compliance and MSL 1 rating

Parameter Comparison

Part Number	Manufacturer	Capacitance	Tolerance	Voltage Rating	ESR (Ohm)	Package	Product Status	Packaging Type
TCA0J335M8R	Rohm Semiconductor	3.3 µF	±20%	6.3 V	5.6	1206	Obsolete	—
TAJA335M006RNJ	KYOCERA AVX	3.3 µF	±20%	6.3 V	6.0	1206	Active	Tape & Reel (TR)
293D335X06R3A2TE3	Vishay Sprague	3.3 µF	±20%	6.3 V	6.3	1206	Active	Tape & Reel (TR)
TAJS335M006RNJ	KYOCERA AVX	3.3 µF	±20%	6.3 V	9.0	1206	Active	—
293D335X0010A2TE3	Vishay Sprague	3.3 µF	±20%	10 V	5.5	1206	Active	Tape & Reel (TR)
293D335X9010A2TE3	Vishay Sprague	3.3 µF	±10%	10 V	5.5	1206	Active	Cut Tape (CT) & Digi-Reel®
TAJA335K010RNJ	KYOCERA AVX	3.3 µF	±10%	10 V	5.5	1206	Active	Cut Tape (CT) & Digi-Reel®

Engineering Selection Recommendations

For Direct Replacement (Same Electrical Specifications):

TAJA335M006RNJ (KYOCERA AVX) and 293D335X06R3A2TE3 (Vishay Sprague) are active production equivalents with identical 3.3 µF, ±20%, 6.3 V specifications. Both maintain ROHS3 compliance and MSL 1 rating. TAJA335M006RNJ offers Tape & Reel packaging for automated assembly. 293D335X06R3A2TE3 provides equivalent performance with marginally higher ESR (6.3 Ohm vs. 5.6 Ohm), which remains within acceptable operating parameters for general-purpose applications.

For Voltage-Upgraded Applications:

293D335X0010A2TE3, 293D335X9010A2TE3 (Vishay Sprague), and TAJA335K010RNJ (KYOCERA AVX) increase the voltage rating to 10 V while maintaining 3.3 µF capacitance and 1206 package footprint. These upgrades are suitable for designs where enhanced voltage margin is beneficial. 293D335X9010A2TE3 and TAJA335K010RNJ offer tighter ±10% tolerance compared to the original ±20%, improving circuit performance predictability.

For Alternative Sourcing:

TAJS335M006RNJ (KYOCERA AVX) matches the original 6.3 V specification but exhibits higher ESR (9.0 Ohm). This part is suitable for applications where ESR sensitivity is not critical and alternative sourcing is prioritized.

All recommended substitutes maintain active production status, ensuring long-term availability and supply chain stability compared to the obsolete TCA0J335M8R.

Frequently Asked Questions (FAQ)

Q: Can I use a 10 V rated capacitor in place of the 6.3 V TCA0J335M8R?

A: Yes. The 10 V upgrade parts (293D335X0010A2TE3, 293D335X9010A2TE3, TAJA335K010RNJ) are electrically compatible. A higher voltage rating does not degrade performance in circuits designed for lower voltages. This substitution is valid provided the circuit board layout and thermal environment remain unchanged.

Q: What is the significance of ESR variation among substitute parts?

A: ESR (Equivalent Series Resistance) affects ripple current handling and thermal performance. The TCA0J335M8R specifies 5.6 Ohm ESR. Substitutes range from 5.5 to 9.0 Ohm. For general-purpose applications, variations within this range are acceptable. Applications with stringent ripple current or thermal requirements should prioritize parts with lower ESR values (5.5–6.3 Ohm).

Q: Are all substitute parts available in the same packaging format?

A: No. The original TCA0J335M8R packaging type is not specified. Direct equivalents TAJA335M006RNJ and 293D335X06R3A2TE3 are supplied in Tape & Reel (TR) format. Upgrade parts 293D335X9010A2TE3 and TAJA335K010RNJ use Cut Tape (CT) & Digi-Reel® packaging. Verify packaging compatibility with your assembly process before procurement.

Q: Does tolerance affect substitution eligibility?

A: Tolerance affects circuit performance predictability but does not prevent substitution. The original part specifies ±20% tolerance. Upgrade substitutes with ±10% tolerance (293D335X9010A2TE3, TAJA335K010RNJ) provide tighter capacitance control and are fully compatible. Parts with ±20% tolerance maintain equivalent performance characteristics.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, matching the original TCA0J335M8R specifications. This ensures regulatory compliance and handling consistency across all alternatives.

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