TAJY336M020RNJ Equivalent & Substitute Parts

Part Overview

The TAJY336M020RNJ is a 33 µF molded tantalum capacitor manufactured by KYOCERA AVX, rated for 20 V operation in a 2917 (7343 Metric) surface mount package. This component is classified as Active product status and is ROHS3 compliant. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained across the same package footprint and rated voltage, allowing for direct board-level replacement in applications where the primary part becomes unavailable or when alternative ESR characteristics are required for circuit optimization.

Key Parameters

Parameter	Value
Capacitance	33 µF
Tolerance	±20%
Voltage - Rated	20 V
Type	Molded Tantalum
Package / Case	2917 (7343 Metric)
Mounting Type	Surface Mount
Operating Temperature Range	-55°C ~ 125°C
Moisture Sensitivity Level (MSL)	1 (Unlimited)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the TAJY336M020RNJ is determined by strict adherence to the following parameters:

Capacitance value: 33 µF (exact match required)
Tolerance: ±20% (exact match required)
Rated voltage: 20 V (exact match required)
Package / Case: 2917 (7343 Metric) (exact match required)
Mounting type: Surface Mount (exact match required)
Operating temperature range: -55°C ~ 125°C (exact match required)
Moisture Sensitivity Level: 1 (Unlimited) (exact match required)
RoHS Status: ROHS3 Compliant (exact match required)

All identified substitute parts meet these criteria. Variations in ESR (Equivalent Series Resistance), manufacturer series designation, and physical height (within package specification limits) do not disqualify substitution eligibility. All substitute parts are manufactured by established component suppliers with Active product status and full compliance certifications.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Series	Capacitance	Tolerance	Voltage	ESR (mOhm)	Height - Seated (Max)	Operating Temperature	RoHS Status	Inventory (Pcs)
TAJY336M020RNJ	KYOCERA AVX	TAJ	33 µF	±20%	20 V	600	0.079" (2.00mm)	-55°C ~ 125°C	ROHS3	2600
TAJD336M020RNJ	KYOCERA AVX	TAJ	33 µF	±20%	20 V	900	0.122" (3.10mm)	-55°C ~ 125°C	ROHS3	2492
TPSD336M020R0200	KYOCERA AVX	TPS	33 µF	±20%	20 V	200	0.122" (3.10mm)	-55°C ~ 125°C	ROHS3	1800
TPSD336M020S0200	KYOCERA AVX	TPS	33 µF	±20%	20 V	200	0.122" (3.10mm)	-55°C ~ 125°C	ROHS3	3952
293D336X0020D2TE3	Vishay Sprague	293D	33 µF	±20%	20 V	700	0.122" (3.10mm)	-55°C ~ 125°C	ROHS3	1900
T491D336M020AT	KEMET	T491	33 µF	±20%	20 V	800	0.122" (3.10mm)	-55°C ~ 125°C	ROHS3	3100
T495D336M020ATE200	KEMET	T495	33 µF	±20%	20 V	200	0.122" (3.10mm)	-55°C ~ 125°C	ROHS3	1998

Engineering Selection Recommendations

All substitute parts listed maintain Active product status and ROHS3 compliance, qualifying them for direct substitution in applications currently using the TAJY336M020RNJ. Selection among available substitutes should be based on circuit-specific ESR requirements and physical height constraints within the PCB assembly design.

For applications sensitive to ESR performance, TPSD336M020R0200, TPSD336M020S0200, and T495D336M020ATE200 offer reduced ESR at 200 mOhm. The TAJD336M020RNJ provides a KYOCERA AVX alternative within the same manufacturer family with 900 mOhm ESR. The 293D336X0020D2TE3 from Vishay Sprague and T491D336M020AT from KEMET represent cross-manufacturer alternatives with 700 mOhm and 800 mOhm ESR respectively.

Physical height differences exist between the original part (2.00 mm seated height) and substitute options (3.10 mm seated height). PCB layout clearance verification is necessary when substituting to the taller variants.

Frequently Asked Questions (FAQ)

Q: Can TAJY336M020RNJ be replaced with any of the listed substitute parts?

A: Yes. All listed parts share identical capacitance (33 µF), tolerance (±20%), rated voltage (20 V), package footprint (2917 / 7343 Metric), mounting type (Surface Mount), operating temperature range (-55°C ~ 125°C), MSL rating (1), and RoHS compliance status. These parameters define substitution eligibility.

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

A: ESR (Equivalent Series Resistance) affects circuit performance in high-frequency applications and ripple current handling. The original TAJY336M020RNJ specifies 600 mOhm ESR. Substitutes range from 200 mOhm to 900 mOhm. Lower ESR values reduce heat generation and improve transient response; higher ESR values may be acceptable in applications with lower frequency or current demands. Circuit validation is required when ESR deviates significantly from the original specification.

Q: Does the height difference between 2.00 mm and 3.10 mm affect substitution?

A: Physical height is a mechanical consideration for PCB assembly. The original TAJY336M020RNJ has a seated height of 2.00 mm, while all substitute parts have 3.10 mm seated height. Verify available clearance above the component location on the PCB before substitution. If clearance is insufficient, the taller variants cannot be used.

Q: Are all substitute parts from the same manufacturer?

A: No. Substitutes are sourced from KYOCERA AVX (TAJD336M020RNJ, TPSD336M020R0200, TPSD336M020S0200), Vishay Sprague (293D336X0020D2TE3), and KEMET (T491D336M020AT, T495D336M020ATE200). All manufacturers are established suppliers with Active product status and full compliance certifications.

Q: What inventory levels are available for each substitute?

A: Current inventory levels are provided in the Parameter Comparison table. TPSD336M020S0200 has the highest availability at 3952 pieces, while TPSD336M020R0200 has the lowest at 1800 pieces. Inventory status should be verified with the component supplier for current availability.

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