Equivalent & Substitute Parts for T86D156M025EBAL

Part Overview

The T86D156M025EBAL is a 15 µF molded tantalum capacitor rated at 25 V with ±20% tolerance, manufactured by Vishay Sprague under the TANTAMOUNT™ T86 series. This component is classified as obsolete product status. Due to its obsolescence, equivalent substitute parts from the active TANTAMOUNT™ T95 series are available to maintain design continuity and ensure supply chain reliability.

Key Parameters

Parameter	T86D156M025EBAL
Capacitance	15 µF
Voltage Rating	25 V
Tolerance	±20%
Type	Molded
ESR (Equivalent Series Resistance)	400 mOhm
Operating Temperature Range	-55°C to 125°C
Package / Case	2917 (7343 Metric)
Mounting Type	Surface Mount
Size / Dimension	0.287" L x 0.169" W (7.30 mm x 4.30 mm)
Height - Seated (Max)	0.122" (3.10 mm)
Product Status	Obsolete
RoHS Status	RoHS non-compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the T86D156M025EBAL is determined by the following critical parameters:

Electrical Parameters:

Capacitance: 15 µF (fixed requirement)
Voltage Rating: Substitute parts rated at 35 V exceed the original 25 V specification, providing voltage margin
Tolerance: Substitutes available in both ±20% (matching original) and ±10% (tighter tolerance)
ESR: Substitute parts rated at 410 mOhm are within acceptable operational range

Mechanical Parameters:

Package / Case: 2917 (7343 Metric) maintained across all substitutes
Mounting Type: Surface Mount maintained
Physical dimensions compatible with PCB footprints designed for the original part

Environmental Parameters:

Operating Temperature Range: -55°C to 125°C maintained
Moisture Sensitivity Level: Substitutes rated at MSL 2A (4 Weeks) versus original MSL 1

Product Status:

Original part is obsolete; all substitute parts are active status, ensuring ongoing availability

Parameter Comparison

Parameter	T86D156M025EBAL	T95D156K035LSSS	T95D156M035ESSS	T95D156M035EZSS	T95D156K035ESSS	T95D156K035EZSS	T95D156K035LSAS	T95D156K035LZAS	T95D156M035ESAS	T95D156M035EZAS	T95D156M035LSSS
Capacitance	15 µF	15 µF	15 µF	15 µF	15 µF	15 µF	15 µF	15 µF	15 µF	15 µF	15 µF
Voltage Rating	25 V	35 V	35 V	35 V	35 V	35 V	35 V	35 V	35 V	35 V	35 V
Tolerance	±20%	±10%	±20%	±20%	±10%	±10%	±10%	±10%	±20%	±20%	±20%
Type	Molded	Conformal Coated	Conformal Coated	Conformal Coated	Conformal Coated	Conformal Coated	Conformal Coated	Conformal Coated	Conformal Coated	Conformal Coated	Conformal Coated
ESR (Equivalent Series Resistance)	400 mOhm	410 mOhm	410 mOhm	410 mOhm	410 mOhm	410 mOhm	410 mOhm	410 mOhm	410 mOhm	410 mOhm	410 mOhm
Operating Temperature Range	-55°C to 125°C	-55°C to 125°C	-55°C to 125°C	-55°C to 125°C	-55°C to 125°C	-55°C to 125°C	-55°C to 125°C	-55°C to 125°C	-55°C to 125°C	-55°C to 125°C	-55°C to 125°C
Package / Case	2917 (7343 Metric)	2917 (7343 Metric)	2917 (7343 Metric)	2917 (7343 Metric)	2917 (7343 Metric)	2917 (7343 Metric)	2917 (7343 Metric)	2917 (7343 Metric)	2917 (7343 Metric)	2917 (7343 Metric)	2917 (7343 Metric)
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active
Moisture Sensitivity Level (MSL)	1 (Unlimited)	2A (4 Weeks)	2A (4 Weeks)	2A (4 Weeks)	2A (4 Weeks)	2A (4 Weeks)	2A (4 Weeks)	2A (4 Weeks)	2A (4 Weeks)	2A (4 Weeks)	2A (4 Weeks)
RoHS Status	RoHS non-compliant	RoHS non-compliant	RoHS non-compliant	RoHS non-compliant	RoHS non-compliant	RoHS non-compliant	RoHS non-compliant	RoHS non-compliant	RoHS non-compliant	RoHS non-compliant	RoHS non-compliant

Engineering Selection Recommendations

All listed substitute parts from the TANTAMOUNT™ T95 series are active products with established supply chains, addressing the obsolescence of the T86D156M025EBAL. Selection among substitutes depends on application-specific tolerance and packaging requirements:

For ±20% Tolerance Matching: T95D156M035ESSS, T95D156M035EZSS, T95D156M035ESAS, T95D156M035EZAS, and T95D156M035LSSS maintain the original tolerance specification while providing 35 V voltage rating and conformal coating for enhanced environmental protection.

For Tighter Tolerance (±10%): T95D156K035LSSS, T95D156K035ESSS, T95D156K035EZSS, T95D156K035LSAS, and T95D156K035LZAS offer improved capacitance accuracy with the same 35 V rating and conformal coating.

Packaging Considerations: All substitute parts are supplied in Tape & Reel (TR) packaging. The original T86D156M025EBAL packaging format is not specified in the provided data. Confirm packaging compatibility with assembly equipment before final selection.

Compliance Status: All substitute parts maintain RoHS non-compliant status consistent with the original part. Moisture sensitivity increases from MSL 1 to MSL 2A, requiring controlled storage conditions (4 weeks at specified humidity levels) during handling and assembly.

Frequently Asked Questions (FAQ)

Q: Can T95 series parts directly replace T86 series parts? A: Yes, within the specified electrical and mechanical parameters. Both series use identical 2917 (7343 Metric) package dimensions and surface mount configuration. The primary differences are product status (T86 obsolete, T95 active), construction type (molded versus conformal coated), and voltage rating (25 V versus 35 V).

Q: What is the significance of the 35 V rating on substitute parts versus the original 25 V? A: The higher voltage rating on T95 substitutes provides operational margin and does not negatively impact circuit performance in applications designed for 25 V operation. The capacitor will function correctly at voltages up to 35 V.

Q: How do tolerance differences affect part selection? A: ±20% tolerance substitutes (M-suffix parts) match the original specification. ±10% tolerance substitutes (K-suffix parts) provide tighter capacitance accuracy for applications requiring stricter value control. Both are electrically compatible with the original design.

Q: What is conformal coating and why do T95 parts have it? A: Conformal coating is a protective polymer layer applied to the capacitor surface for enhanced moisture and environmental resistance. T95 conformal coated parts offer improved reliability in harsh operating environments compared to molded construction.

Q: Does the change in Moisture Sensitivity Level (MSL) affect usability? A: MSL 2A (4 Weeks) requires controlled storage and handling procedures during manufacturing. Capacitors must be stored in dry conditions and used within 4 weeks of bag opening. This is standard industry practice and does not affect final product performance if proper handling is followed.

Q: Are all substitute parts available in the same packaging format? A: All listed substitute parts are supplied in Tape & Reel (TR) packaging. Confirm compatibility with your assembly equipment, as the original part packaging format is not specified in available data.

Q: What is the ESR difference between the original and substitute parts? A: The original part specifies 400 mOhm ESR; substitute parts specify 410 mOhm ESR. This 10 mOhm difference is negligible for most applications and falls within normal manufacturing variation for tantalum capacitors.

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