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293D226X9035E2TE3

22 uF 35V solid tantalum chip capacitor, D-case (7343), 293D, +/-10%, MnO2, low ESR

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Manufacturer Part：

293D226X9035E2TE3

Package：

D-Case (7343 Metric) (7.3 x 4.3 x 2.8 mm)

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Description

Product Overview

The 293D226X9035E2TE3 from Vishay Sprague is a 22 uF solid tantalum chip capacitor in a D-case (7343 metric) surface-mount package. Rated at 35 V with +/-10% tolerance, it features MnO2 cathode technology for reliable self-healing behavior. The 293D series is designed for industrial and telecommunications applications requiring stable capacitance and low ESR.

Key Specifications

Capacitance 22 uF
Tolerance +/-10%
Voltage Rating 35 V
ESR 1.5 ohm max @ 100 kHz
Package D-Case (7343 Metric)
Series 293D
Technology Solid Tantalum (MnO2)
Operating Temperature -55 to +125 degC
Dimensions 7.3 x 4.3 x 2.8 mm
Leakage Current 0.01 CV uA max

Features

  • Solid tantalum construction for stable performance
  • MnO2 cathode with self-healing capability
  • +/-10% tolerance for precision filtering
  • Low ESR for effective decoupling
  • Industrial and telecom grade reliability
  • Surface-mount D-case package

Applications

  • Power supply output filtering and decoupling
  • DC-DC converter input/output capacitors
  • Telecommunications equipment bypass
  • Industrial control power conditioning
  • Data processing equipment filtering

The 293D226X9035E2TE3 from Vishay Sprague is a 22 uF, 35 V solid tantalum chip capacitor from the 293D series in a D-case (7343 metric) surface-mount package. The MnO2 cathode technology provides reliable self-healing behavior, where localized dielectric faults are isolated by the conversion of MnO2 to insulating Mn2O3. The +/-10% tolerance and low ESR make it suitable for precision filtering and decoupling in power supply and telecommunications applications. The solid tantalum construction ensures stable capacitance over the -55 to +125 degC operating range with no dry-out concerns associated with wet electrolytic capacitors.

The 293D series uses solid tantalum capacitor technology where a porous tantalum anode is formed with a thin Ta2O5 dielectric oxide layer, then coated with manganese dioxide (MnO2) as the solid electrolyte cathode. The self-healing mechanism operates when a localized fault in the dielectric creates a conductive path; the resulting current flow locally heats the MnO2, converting it to insulating Mn2O3 and isolating the fault. This provides inherent fault tolerance. The solid construction eliminates the electrolyte drying mechanism that limits the life of wet aluminum electrolytic capacitors. The 22 uF at 35 V rating is achieved through the high CV/g characteristic of tantalum pentoxide dielectric.

Terminal Name Type Function
1 Anode (+) Positive Positive terminal – connect to positive rail
2 Cathode (-) Negative Negative terminal – connect to ground
  • DC-DC converter input and output bulk capacitors
  • Telecommunications line card power supply filtering
  • Industrial control system power decoupling
  • Data processing equipment voltage regulation bypass
  • Medical device power supply output capacitors
Manufacturer Part Number Package Notes
Vishay T51B226M035AT D-Case 22uF 35V MnO2 equivalent
KEMET T491D226K035AT D-Case 22uF 35V MnO2 equivalent
AVX TAJD226K035TNJ D-Case 22uF 35V MnO2 equivalent
Panasonic ECJ-4YB226M035 D-Case 22uF 35V alternative
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Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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