TDL224M035S1A-F Equivalent & Substitute Parts

Part Overview

The TDL224M035S1A-F is a 0.22 µF conformal coated tantalum capacitor rated at 35 V with ±20% tolerance, manufactured by Cornell Dubilier Electronics (CDE). This component is classified as obsolete, necessitating the identification of equivalent and upgraded alternatives for new designs and production requirements. Suitable substitutes and upgrades are available from Vishay Sprague's TANTALEX™ 199D series, which maintain electrical compatibility while offering improved tolerance specifications and active product status.

Key Parameters

Parameter	Value
Capacitance	0.22 µF
Voltage Rating	35 V / 50 V
Tolerance	±20% / ±10%
Type	Conformal Coated Tantalum
Mounting	Through Hole Radial
Operating Temperature Range	-55°C to 125°C
Package Case	Radial
Manufacturer Size Code	A
RoHS Compliance	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution for the TDL224M035S1A-F is determined by the following core parameters:

Critical Matching Parameters:

Capacitance: 0.22 µF (exact match required)
Voltage Rating: 35 V minimum (50 V upgrades are electrically compatible)
Package Type: Radial through-hole configuration
Mounting Type: Through hole
Physical Dimensions: Size code A with matching lead spacing (0.100" / 2.54mm)
Operating Temperature: -55°C to 125°C (identical across all options)

Tolerance Consideration: The TDL224M035S1A-F specifies ±20% tolerance. Direct electrical equivalents maintain this tolerance specification. Upgrade options with ±10% tolerance provide improved accuracy and are electrically compatible for circuits that do not explicitly require ±20% tolerance.

Voltage Upgrade Logic: Substitutes rated at 50 V are upgrades that provide higher voltage margin while maintaining all other electrical and mechanical parameters. These are suitable for applications originally specified at 35 V.

Parameter Comparison

Parameter	TDL224M035S1A-F (Original)	199D224X0035A1V1E3	199D224X0035A2V1E3	199D224X9035A1V1E3	199D224X9035A2V1E3	199D224X9050A1V1E3	199D224X9050A2B1E3
Manufacturer	Cornell Dubilier Electronics	Vishay Sprague	Vishay Sprague	Vishay Sprague	Vishay Sprague	Vishay Sprague	Vishay Sprague
Capacitance	0.22 µF	0.22 µF	0.22 µF	0.22 µF	0.22 µF	0.22 µF	0.22 µF
Tolerance	±20%	±20%	±20%	±10%	±10%	±10%	±10%
Voltage Rating	35 V	35 V	35 V	35 V	35 V	50 V	50 V
Type	Conformal Coated	Conformal Coated	Conformal Coated	Conformal Coated	Conformal Coated	Conformal Coated	Conformal Coated
Operating Temperature	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	Radial	Radial	Radial	Radial	Radial	Radial	Radial
Size Code	A	A	A	A	A	A	A
Diameter	0.180" (4.57mm)	0.173" (4.40mm)	0.173" (4.40mm)	0.173" (4.40mm)	0.173" (4.40mm)	0.173" (4.40mm)	0.173" (4.40mm)
Height - Seated (Max)	0.280" (7.11mm)	0.280" (7.11mm)	0.280" (7.11mm)	0.280" (7.11mm)	0.280" (7.11mm)	0.280" (7.11mm)	0.280" (7.11mm)
Lead Spacing	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)
Product Status	Obsolete	Active	Active	Active	Active	Active	Active
RoHS Compliance	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Lifetime @ Temp.	Not Specified	1000 Hrs @ 85°C	1000 Hrs @ 85°C	1000 Hrs @ 85°C	1000 Hrs @ 85°C	1000 Hrs @ 85°C	1000 Hrs @ 85°C

Engineering Selection Recommendations

Direct Equivalents (Same Specifications): 199D224X0035A1V1E3 and 199D224X0035A2V1E3 are direct electrical and mechanical equivalents maintaining ±20% tolerance at 35 V rating. Both are ROHS3 compliant with active product status. Selection between these two is determined by packaging preference: standard bulk packaging (199D224X0035A1V1E3) or bulk variant (199D224X0035A2V1E3).

Upgraded Equivalents (Improved Tolerance): 199D224X9035A1V1E3 and 199D224X9035A2V1E3 provide ±10% tolerance while maintaining 35 V rating and all mechanical dimensions. These are suitable for applications where improved capacitance accuracy is beneficial and the original ±20% specification does not impose circuit limitations. Both carry ROHS3 compliance and active status.

High-Voltage Upgrades: 199D224X9050A1V1E3 (bulk) and 199D224X9050A2B1E3 (tape & reel) offer 50 V rating with ±10% tolerance. These provide increased voltage margin and improved accuracy for circuits designed around 35 V nominal operation. Tape & reel packaging (199D224X9050A2B1E3) is designated for automated assembly environments.

All substitute options are ROHS3 compliant and manufactured by Vishay Sprague with active product status, ensuring long-term supply and design reliability.

Frequently Asked Questions (FAQ)

Q: Can I use the 199D224X9035A1V1E3 (±10% tolerance) as a direct replacement for the TDL224M035S1A-F (±20% tolerance)? A: Yes. The ±10% tolerance specification is tighter and more accurate than ±20%, making it a compatible upgrade. Circuits designed to tolerate ±20% variation will function correctly with ±10% components.

Q: Are the 50 V rated parts (199D224X9050A1V1E3, 199D224X9050A2B1E3) suitable substitutes for the 35 V original? A: Yes. A higher voltage rating provides greater electrical margin while maintaining identical capacitance and tolerance. These are electrically compatible upgrades for circuits specified at 35 V.

Q: What is the difference between bulk and tape & reel packaging options? A: Bulk packaging (standard or variant) is suited for manual placement or lower-volume assembly. Tape & reel packaging (199D224X9050A2B1E3) is designed for automated pick-and-place assembly equipment. Electrical specifications remain identical across packaging types.

Q: Are there differences in physical dimensions between the original TDL224M035S1A-F and Vishay 199D substitutes? A: The diameter dimension differs slightly (0.180" vs. 0.173"), but all parts share identical lead spacing (0.100" / 2.54mm), maximum seated height (0.280" / 7.11mm), and manufacturer size code (A). The minor diameter variation does not affect board-level compatibility for through-hole applications.

Q: Why is the original TDL224M035S1A-F marked as obsolete? A: Obsolescence is a manufacturing status designation. Active alternatives from Vishay Sprague's TANTALEX™ 199D series provide equivalent or improved functionality for ongoing production and design requirements.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitutes maintain ROHS3 compliance, ensuring regulatory compatibility with current environmental and safety standards.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message