TDL106K035S1D-F Equivalent & Substitute Parts

Part Overview

The TDL106K035S1D-F is a 10 µF conformal coated tantalum capacitor rated at 35 V with ±10% tolerance, manufactured by Cornell Dubilier Electronics (CDE) in radial through-hole configuration. This component is classified as obsolete, necessitating identification of active equivalent and substitute parts for ongoing production and maintenance applications. The conformal coating provides enhanced environmental protection suitable for demanding operating conditions across the temperature range of -55°C to 125°C.

Key Parameters

Parameter	Value
Capacitance	10 µF
Voltage Rating	35 V
Tolerance	±10%
Type	Conformal Coated Tantalum
Mounting Type	Through Hole
Package / Case	Radial
Operating Temperature Range	-55°C to 125°C
Lead Spacing	0.100" (2.54 mm)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the TDL106K035S1D-F is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

Capacitance: 10 µF (exact match required)
Voltage Rating: 35 V (exact match required)
Mounting Type: Through Hole (exact match required)
Package / Case: Radial (exact match required)
Lead Spacing: 0.100" (2.54 mm) (exact match required)
Operating Temperature Range: -55°C to 125°C (exact match required)
Type: Conformal Coated Tantalum (exact match required)

Allowable Variation Parameters:

Tolerance: ±10% (original) to ±5% (upgrade acceptable)
Physical Diameter: Variation permitted if lead spacing and height remain compatible
Product Status: Active substitutes preferred over obsolete

The substitute parts listed below maintain all mandatory parameters while offering improved availability through active product status from Vishay Sprague TANTALEX™ 199D series.

Parameter Comparison

Parameter	TDL106K035S1D-F (CDE)	199D106X9035D1V1E3 (Vishay)	199D106X9035D2V1E3 (Vishay)	199D106X5035D1V1E3 (Vishay)
Capacitance	10 µF	10 µF	10 µF	10 µF
Tolerance	±10%	±10%	±10%	±5%
Voltage Rating	35 V	35 V	35 V	35 V
Type	Conformal Coated	Conformal Coated	Conformal Coated	Conformal Coated
Operating Temperature	-55°C to 125°C	-55°C to 125°C	-55°C to 125°C	-55°C to 125°C
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	Radial	Radial	Radial	Radial
Lead Spacing	0.100" (2.54 mm)	0.100" (2.54 mm)	0.100" (2.54 mm)	0.100" (2.54 mm)
Height - Seated (Max)	0.400" (10.16 mm)	0.400" (10.16 mm)	0.400" (10.16 mm)	0.400" (10.16 mm)
Size / Dimension (Dia)	0.340" (8.64 mm)	0.236" (6.00 mm)	0.236" (6.00 mm)	0.236" (6.00 mm)
Product Status	Obsolete	Active	Active	Active
Lifetime @ Temp.	Not specified	1000 Hrs @ 85°C	1000 Hrs @ 85°C	1000 Hrs @ 85°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Direct Substitutes (Equivalent Tolerance):

The 199D106X9035D1V1E3 and 199D106X9035D2V1E3 from Vishay Sprague provide direct functional equivalence to the TDL106K035S1D-F. Both maintain ±10% tolerance matching the original specification. These parts are classified as active products with confirmed lifetime ratings of 1000 hours at 85°C, providing superior availability and supply chain continuity compared to the obsolete CDE component. All electrical and mechanical parameters align with the original specification, including conformal coating, radial package, through-hole mounting, and operating temperature range.

Upgrade Substitute (Improved Tolerance):

The 199D106X5035D1V1E3 represents an upgrade option with tighter ±5% tolerance while maintaining all other critical parameters. This part is suitable for applications requiring enhanced capacitance accuracy. The improved tolerance does not introduce incompatibility and provides additional design margin for precision-sensitive circuits.

Compliance and Certification:

All substitute parts maintain ROHS3 compliance and are classified as REACH Unaffected, ensuring regulatory alignment with the original component. The Vishay Sprague TANTALEX™ 199D series substitutes are active products with documented reliability data, supporting long-term procurement strategies.

Frequently Asked Questions (FAQ)

Q: Can the 199D106X5035D1V1E3 with ±5% tolerance be used in place of the TDL106K035S1D-F with ±10% tolerance?

A: Yes. The ±5% tolerance is tighter than the original ±10% specification, making it a compatible upgrade. Circuits designed for ±10% tolerance will function correctly with ±5% components.

Q: Are there physical compatibility concerns with the smaller diameter of Vishay substitutes (0.236" vs 0.340")?

A: No. The critical mechanical parameters for through-hole radial mounting are lead spacing (0.100" for all parts) and height (0.400" maximum for all parts). The smaller diameter of Vishay parts does not affect PCB mounting or electrical performance.

Q: What is the difference between 199D106X9035D1V1E3 and 199D106X9035D2V1E3?

A: Both parts are functionally equivalent with identical electrical specifications, capacitance, voltage rating, tolerance, and operating temperature range. The difference in part number designation does not affect substitution suitability. Both are active products with equivalent availability.

Q: Is conformal coating present on all substitute parts?

A: Yes. All three Vishay Sprague substitute parts (199D106X9035D1V1E3, 199D106X9035D2V1E3, and 199D106X5035D1V1E3) are specified as conformal coated tantalum capacitors, matching the original TDL106K035S1D-F coating specification.

Q: Are the substitute parts suitable for the same operating temperature range?

A: Yes. All substitute parts operate across -55°C to 125°C, identical to the original component specification.

Q: What is the advantage of selecting an active product substitute?

A: Active products have documented reliability data, confirmed lifetime ratings, and established supply chains. The Vishay Sprague substitutes provide 1000-hour lifetime ratings at 85°C, supporting long-term production planning and maintenance applications.

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