TR3D686M016C0150 Equivalent & Substitute Parts

Part Overview

The TR3D686M016C0150 is a 68 µF molded tantalum capacitor rated at 16 V with ±20% tolerance, manufactured by Vishay Sprague in the TANTAMOUNT™ TR3 series. This surface mount component in 2917 (7343 Metric) package features 150 mOhm ESR and operates across -55°C to 125°C. The part is Active status and ROHS3 compliant. Equivalent and substitute parts are identified based on matching or superior electrical and mechanical parameters within the same package footprint and application class.

Key Parameters

Parameter	TR3D686M016C0150
Capacitance	68 µF
Voltage Rating	16 V
Tolerance	±20%
Type	Molded Tantalum
ESR (Equivalent Series Resistance)	150 mOhm
Package / Case	2917 (7343 Metric)
Mounting Type	Surface Mount
Operating Temperature Range	-55°C to 125°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	MSL 1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts are grouped by substitution category based on the following criteria:

Upgrade Substitutes — Parts with improved tolerance (±10% vs ±20%) or lower ESR while maintaining identical capacitance, voltage rating, and package dimensions. These provide enhanced performance characteristics.

Manufacturer Recommended Substitutes — Parts from the same or alternative manufacturers with matching electrical specifications but different construction types (conformal coated vs molded) or optimized ESR values. These maintain functional equivalence with potential application-specific advantages.

Direct Equivalents — Parts from alternative manufacturers (KYOCERA AVX, KEMET) with identical capacitance, voltage, tolerance, ESR, and package specifications. These provide direct pin-for-pin and footprint compatibility.

Voltage-Upgraded Substitutes — Parts with higher voltage ratings (20 V vs 16 V) at the same capacitance and tolerance, suitable for applications requiring additional voltage margin.

The primary substitution parameters are: capacitance value, voltage rating, tolerance class, ESR specification, package/case type, and physical dimensions.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Type	ESR	Package	Size (L x W)	Height Max	MSL	Status
TR3D686M016C0150	Vishay Sprague	68 µF	16 V	±20%	Molded	150 mOhm	2917	7.30 x 4.30 mm	3.10 mm	MSL 1	Active
593D686X9016D2TE3	Vishay Sprague	68 µF	16 V	±10%	Molded	150 mOhm	2917	7.30 x 4.30 mm	3.10 mm	MSL 1	Active
TR3D686K020C0150	Vishay Sprague	68 µF	20 V	±10%	Molded	150 mOhm	2917	7.30 x 4.30 mm	3.10 mm	MSL 1	Active
595D686X0016D2T	Vishay Sprague	68 µF	16 V	±20%	Conformal Coated	140 mOhm	2917	7.50 x 4.30 mm	3.10 mm	MSL 2A	Active
TR3D686M016C0070	Vishay Sprague	68 µF	16 V	±20%	Molded	70 mOhm	2917	7.30 x 4.30 mm	3.10 mm	MSL 1	Active
TPSD686M016R0150	KYOCERA AVX	68 µF	16 V	±20%	Molded	150 mOhm	2917	7.30 x 4.30 mm	3.10 mm	MSL 1	Active
T494D686K016AT	KEMET	68 µF	16 V	±10%	Molded	150 mOhm	2917	7.30 x 4.30 mm	3.10 mm	MSL 1	Active
T495D686K016ATE150	KEMET	68 µF	16 V	±10%	Molded	150 mOhm	2917	7.30 x 4.30 mm	3.10 mm	MSL 1	Active
T495D686K020ATE150	KEMET	68 µF	20 V	±10%	Molded	150 mOhm	2917	7.30 x 4.30 mm	3.10 mm	MSL 1	Active
T491D686M016AT	KEMET	68 µF	16 V	±20%	Molded	700 mOhm	2917	7.30 x 4.30 mm	3.10 mm	MSL 1	Active
T495V686M016ATE300	KEMET	68 µF	16 V	±20%	Molded	300 mOhm	2917	7.30 x 4.30 mm	2.00 mm	MSL 1	Active

Engineering Selection Recommendations

All listed substitute parts maintain Active product status and ROHS3 compliance, ensuring regulatory alignment with the original TR3D686M016C0150.

For tolerance-critical applications, select 593D686X9016D2TE3, T494D686K016AT, or T495D686K016ATE150, which provide ±10% tolerance versus the original ±20%.

For voltage-margin applications, TR3D686K020C0150, T495D686K020ATE150 offer 20 V rating while maintaining 68 µF capacitance and ±10% tolerance.

For low-ESR applications, TR3D686M016C0070 reduces ESR to 70 mOhm from the original 150 mOhm, suitable for high-frequency or low-impedance circuit requirements.

For direct manufacturer equivalence, TPSD686M016R0150 (KYOCERA AVX) provides identical electrical and mechanical specifications with MSL 1 rating.

For alternative sourcing, T494D686K016AT and T495D686K016ATE150 (KEMET) offer ±10% tolerance upgrades with established lifetime ratings (2000 Hrs @ 125°C and 2000 Hrs @ 85°C respectively).

For conformal-coated applications, 595D686X0016D2T provides environmental protection with 140 mOhm ESR, though MSL rating increases to 2A and physical length extends to 7.50 mm.

Frequently Asked Questions (FAQ)

Q: Can TR3D686M016C0150 be replaced with 593D686X9016D2TE3?

A: Yes. Both parts share identical capacitance (68 µF), voltage rating (16 V), package (2917), and ESR (150 mOhm). The substitute offers improved ±10% tolerance versus ±20%, providing tighter capacitance specification.

Q: What is the difference between molded and conformal-coated tantalum capacitors?

A: Conformal coating (595D686X0016D2T) provides additional environmental protection against moisture and contaminants. The trade-off is increased MSL rating (2A vs 1) and slightly larger physical dimensions (7.50 mm length vs 7.30 mm).

Q: Can I use a 20 V rated part in place of a 16 V part?

A: Yes, provided all other parameters match. TR3D686K020C0150 and T495D686K020ATE150 are rated for 20 V and are suitable for 16 V applications, offering additional voltage margin. Capacitance and tolerance remain identical at 68 µF and ±10%.

Q: What does ESR (Equivalent Series Resistance) affect?

A: ESR impacts ripple current handling, thermal performance, and high-frequency response. Lower ESR values (70 mOhm in TR3D686M016C0070) reduce heat generation and improve performance in switching applications. Higher ESR values (700 mOhm in T491D686M016AT) are acceptable in low-frequency or general-purpose circuits.

Q: Are all substitute parts pin-for-pin compatible?

A: Yes, all listed substitutes use the 2917 (7343 Metric) package with identical lead spacing and mounting type (surface mount). Physical dimensions are consistent except 595D686X0016D2T (length 7.50 mm vs 7.30 mm) and T495V686M016ATE300 (height 2.00 mm vs 3.10 mm).

Q: What does MSL (Moisture Sensitivity Level) mean?

A: MSL indicates the maximum time a component can be exposed to ambient conditions before soldering. MSL 1 (unlimited) allows indefinite storage. MSL 2A (4 weeks) requires controlled storage. All substitutes except 595D686X0016D2T carry MSL 1 rating.

Q: Which substitute offers the best overall upgrade?

A: Selection depends on application requirements. For tolerance improvement with no other changes, use 593D686X9016D2TE3 or T495D686K016ATE150. For voltage margin, use TR3D686K020C0150 or T495D686K020ATE150. For ESR reduction, use TR3D686M016C0070.

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