KEMET T520D337M006ASE025 Equivalent & Substitute Parts

Part Overview

The KEMET T520D337M006ASE025 is a 330 µF molded tantalum polymer capacitor rated at 6.3 V with an ESR of 25 mOhm @ 100 kHz in a 2917 (7343 Metric) surface mount package. This part operates across a temperature range of -55°C to 105°C with a lifetime specification of 2000 hours at 105°C. The T520D337M006ASE025 is classified as obsolete product status. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications utilizing this capacitor specification.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	6.3 V
Type	Molded Tantalum Polymer
ESR @ 100 kHz	25 mOhm
Package / Case	2917 (7343 Metric)
Operating Temperature Range	-55°C to 105°C
Lifetime @ 105°C	2000 Hours
Mounting Type	Surface Mount
Tolerance	±20%
Moisture Sensitivity Level	3 (168 Hours)

Substitute Part Grouping Explanation

Substitute parts for the T520D337M006ASE025 are qualified based on strict electrical and mechanical parameter matching. All substitute candidates maintain identical capacitance (330 µF), voltage rating (6.3 V), ESR specification (25 mOhm @ 100 kHz), package form factor (2917 / 7343 Metric), operating temperature range (-55°C to 105°C), and lifetime rating (2000 Hrs @ 105°C).

The substitution logic is organized into two categories:

Direct Manufacturer Equivalents (KEMET): Parts sharing the same base electrical specifications with variations in packaging format, height profile, or product status designation. These include T520D337M006ATE025, T520V337M006ATE025, and T520D337M006ATE0257280.

Cross-Manufacturer Equivalents: Parts from Panasonic Electronic Components (6TAE330ML, 6TPE330ML) and KYOCERA AVX (TCJY337M006R0025, TCJY337M006R0025E, TCJD337M006R0025, TCJD337M006R0025E) that satisfy all core electrical and mechanical parameters while offering active product status and RoHS3 compliance.

Height variations exist among substitute parts and must be evaluated against specific PCB layout constraints. All listed substitutes are RoHS3 compliant and REACH unaffected, addressing regulatory requirements not met by the obsolete original part.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	ESR @ 100 kHz	Package	Height (Max)	Product Status	RoHS Status	Inventory
T520D337M006ASE025	KEMET	330 µF	6.3 V	25 mOhm	2917	0.122" (3.10 mm)	Obsolete	Non-compliant	983 Pcs
T520D337M006ATE025	KEMET	330 µF	6.3 V	25 mOhm	2917	0.122" (3.10 mm)	Active	ROHS3	1961 Pcs
T520V337M006ATE025	KEMET	330 µF	6.3 V	25 mOhm	2917	0.075" (1.90 mm)	Active	ROHS3	18850 Pcs
T520D337M006ATE0257280	KEMET	330 µF	6.3 V	25 mOhm	2917	0.122" (3.10 mm)	Active	ROHS3	3311 Pcs
6TAE330ML	Panasonic	330 µF	6.3 V	25 mOhm	2917	0.118" (3.00 mm)	Active	ROHS3	10769 Pcs
6TPE330ML	Panasonic	330 µF	6.3 V	25 mOhm	2917	0.118" (3.00 mm)	Active	ROHS3	1968 Pcs
TCJY337M006R0025	KYOCERA AVX	330 µF	6.3 V	25 mOhm	2917	0.079" (2.00 mm)	Active	ROHS3	11813 Pcs
TCJY337M006R0025E	KYOCERA AVX	330 µF	6.3 V	25 mOhm	2917	0.079" (2.00 mm)	Active	ROHS3	2754 Pcs
TCJD337M006R0025	KYOCERA AVX	330 µF	6.3 V	25 mOhm	2917	0.122" (3.10 mm)	Active	ROHS3	1684 Pcs
TCJD337M006R0025E	KYOCERA AVX	330 µF	6.3 V	25 mOhm	2917	0.122" (3.10 mm)	Active	ROHS3	5683 Pcs

Engineering Selection Recommendations

For Direct Replacement with Identical Height Profile:

The T520D337M006ATE025 and T520D337M006ATE0257280 from KEMET provide direct electrical and mechanical equivalence to the obsolete T520D337M006ASE025, maintaining the 0.122" (3.10 mm) seated height. Both parts are active product status with RoHS3 compliance. The T520D337M006ATE025 offers higher inventory availability (1961 Pcs) with standard Cut Tape and Digi-Reel packaging. The T520D337M006ATE0257280 variant provides equivalent specifications with Cut Tape packaging and substantial inventory (3311 Pcs).

For Space-Constrained Applications:

The T520V337M006ATE025 from KEMET reduces seated height to 0.075" (1.90 mm) while maintaining all electrical parameters. This variant is suitable for designs requiring reduced vertical profile and offers the highest inventory level (18850 Pcs) among KEMET options. RoHS3 compliance is confirmed.

For Cross-Manufacturer Sourcing:

Panasonic POSCAP™ series parts (6TAE330ML, 6TPE330ML) and KYOCERA AVX TCJ series parts (TCJY337M006R0025, TCJY337M006R0025E, TCJD337M006R0025, TCJD337M006R0025E) satisfy all core electrical specifications with active product status and RoHS3 compliance. Height profiles vary: Panasonic parts measure 0.118" (3.00 mm), while KYOCERA AVX TCJY variants measure 0.079" (2.00 mm) and TCJD variants measure 0.122" (3.10 mm). Selection depends on PCB layout constraints and preferred supplier qualification.

All substitute parts maintain the 2917 (7343 Metric) package footprint, -55°C to 105°C operating range, 2000-hour lifetime at 105°C, and ±20% capacitance tolerance. Regulatory compliance has been upgraded from non-compliant to RoHS3 compliant across all active substitutes.

Frequently Asked Questions (FAQ)

Q: Can the T520D337M006ASE025 be directly replaced with T520D337M006ATE025?

A: Yes. Both parts share identical electrical specifications (330 µF, 6.3 V, 25 mOhm ESR @ 100 kHz), package form factor (2917), and seated height (0.122" / 3.10 mm). The primary difference is product status: the original is obsolete while the substitute is active. RoHS3 compliance is an additional benefit of the substitute.

Q: What is the significance of the height variations among substitute parts?

A: Height variations directly impact PCB layout feasibility. The original part and KEMET T520D337M006ATE025 / T520D337M006ATE0257280 measure 0.122" (3.10 mm). The KEMET T520V337M006ATE025 reduces this to 0.075" (1.90 mm), suitable for space-constrained designs. Panasonic parts measure 0.118" (3.00 mm), while KYOCERA AVX TCJY variants measure 0.079" (2.00 mm). Verify PCB clearance specifications before selection.

Q: Are all substitute parts RoHS3 compliant?

A: All active substitute parts listed are RoHS3 compliant. The original T520D337M006ASE025 is RoHS non-compliant. If regulatory compliance is a design requirement, any active substitute satisfies this criterion.

Q: What packaging formats are available for substitute parts?

A: KEMET T520D337M006ATE025 is supplied in Cut Tape (CT) and Digi-Reel® format. KEMET T520D337M006ATE0257280 is supplied in Cut Tape (CT). Panasonic 6TAE330ML and 6TPE330ML are supplied in Tape & Reel (TR). KYOCERA AVX TCJ series parts are supplied in Tape & Reel (TR). Confirm packaging compatibility with assembly equipment specifications.

Q: Do all substitute parts maintain the same electrical performance characteristics?

A: Yes. All substitute parts maintain 330 µF capacitance, 6.3 V voltage rating, 25 mOhm ESR @ 100 kHz, ±20% tolerance, -55°C to 105°C operating range, and 2000-hour lifetime at 105°C. Electrical performance is equivalent across all listed substitutes.

Q: Which substitute offers the highest inventory availability?

A: The KEMET T520V337M006ATE025 offers the highest inventory level at 18850 Pcs. This part is suitable for applications where height reduction to 0.075" (1.90 mm) is acceptable. For height-matched equivalents at 0.122" (3.10 mm), the TCJD337M006R0025E from KYOCERA AVX provides 5683 Pcs inventory.

Q: Can cross-manufacturer substitutes be used interchangeably in production?

A: Cross-manufacturer substitutes (Panasonic and KYOCERA AVX) are electrically and mechanically equivalent based on provided specifications. However, qualification procedures, supplier agreements, and design documentation updates may be required before production implementation. Verify with design engineering and procurement before transitioning between manufacturers.

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