293D226X9025D2TE3 Vishay Capacitor Polarised (Capacitor Moulded Polarised) In Stock
Vishay 293D226X9025D2TE3 is a 22 µF solid tantalum surface mount chip capacitor rated at 25 V, in the TANTAMOUNT molded D-case package. It features a 700 mΩ ESR measured at 100 kHz and RoHS-compliant construction for standard industrial-grade applications. Available in stock with worldwide shipping.
- Manufacturer
- Vishay
- Package
- Capacitor Moulded Polarised
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- 293D226X9025D2TE3 Datasheet PDF
- Category
- Capacitor Polarised
- Price
- From $0.2299(MOQ 1)
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 22 µF capacitance at 25 V rating in a compact D-case (7.3 mm x 4.3 mm) provides high volumetric efficiency for industrial bulk decoupling and filtering
- 700 mΩ ESR at 100 kHz enables effective switching-regulator output filtering with controlled ripple current handling
- Solid tantalum dielectric with molded case construction ensures stable capacitance within ±20% from -55°C to +125°C without electrolyte drying concerns
Applications
The 293D226X9025D2TE3 is commonly used as bulk output decoupling in 5 V to 24 V DC-DC switching regulators, where 22 µF at 25 V bridges the gap between ceramic decoupling and large electrolytic hold-up capacitors. Its solid tantalum construction makes it suitable for industrial control boards operating at up to 125°C ambient, where liquid electrolytic capacitors would dry out and lose capacitance within 5000 operating hours. The TANTAMOUNT D-case footprint is widely available in PCB CAD libraries, simplifying drop-in use in power supply, microcontroller bypass, and signal filtering circuits.
Specifications
| Reach Compliance Code | Compliant |
| Factory Lead Time | 12Weeks |
| YTEOL | 7 |
| Additional Feature | ESR AND RIPPLE CURRENT IS MEASURED AT 100KHZ |
| Capacitance | 22 µF |
| Capacitor Type | TANTALUM CAPACITOR |
| Dielectric Material | TANTALUM (DRY/SOLID) |
| ESR | 700mΩ |
| Height | 2.8mm |
| JESD-609 Code | e3 |
| Leakage Current | 0.0055mA |
| Mounting Feature | SURFACE MOUNT |
| Negative Tolerance | 10% |
| Package Shape | RECTANGULAR PACKAGE |
| Package Style | SMT |
| Packing Method | TR, Embossed Plastic, 7 Inch |
| Polarity | POLARIZED |
| Positive Tolerance | 10% |
| Rated (DC) Voltage (URdc) | 25V |
| Ripple Current | 460mA |
| Size Code | 2917 |
| Surface Mount | YES |
| Tan Delta | 0.06 |
| Terminal Finish | Matte Tin (Sn) - with Nickel (Ni) barrier |
| Terminal Shape | J BEND |
| Package | Capacitor Moulded Polarised |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8532.21.00.50 |
| Country of Origin | Israel, Japan, Mainland China |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What are the capacitance, voltage rating, and ESR of the Vishay 293D226X9025D2TE3 tantalum capacitor?
The 293D226X9025D2TE3 has a 22 µF capacitance with a 25 V DC voltage rating and 700 mΩ ESR measured at 100 kHz. The D-case package measures 7.3 mm x 4.3 mm x 2.8 mm. For switching regulators operating at 100 kHz, the 700 mΩ ESR generates approximately 350 mV ripple voltage at 500 mA peak ripple current, which is within the allowable range for most 3.3 V and 5 V rail specifications.
Why is solid tantalum preferred over liquid electrolytic capacitors for industrial boards operating above 85°C?
Liquid electrolytic capacitors lose capacitance as their electrolyte evaporates, with typical lifetimes of 2000–5000 hours at 105°C. The 293D226X9025D2TE3 solid tantalum dielectric contains no liquid, enabling a service life exceeding 100000 hours at 85°C and rated operation from -55°C to +125°C without capacitance degradation. For industrial control boards running continuously in enclosures reaching 100°C, this difference eliminates the primary failure mode of the decoupling network.
How should designers derate the 25 V rating of the 293D226X9025D2TE3 in actual circuit applications?
Tantalum capacitors are typically derated to 50–67% of their rated voltage in production circuits to prevent field failures from voltage surge. For the 293D226X9025D2TE3 at 25 V, a 50% derating limits applied DC voltage to 12.5 V, making it suitable for 5 V, 9 V, and 12 V rails. At 12 V with 50% derating margin, the capacitor handles transient spikes up to 25 V, protecting the circuit during hot-plug events or load dumps of up to 13 V overshoot.
For a 5 V output switching regulator design, how many 293D226X9025D2TE3 capacitors are needed to achieve 50 mV output ripple at 1 A load?
At 100 kHz switching frequency, the required output capacitance for 50 mV ripple at 1 A load with a 10 µH inductor is approximately 20 µF. One 22 µF 293D226X9025D2TE3 meets this capacitance requirement with margin. However, the 700 mΩ ESR contributes 700 mV x I_ripple voltage, so for inductor ripple current of 300 mA peak-to-peak, the ESR-caused ripple is 210 mV. Parallel use of 2 capacitors reduces effective ESR to 350 mΩ, cutting ESR-ripple to 105 mV and meeting the 50 mV specification when combined with the capacitive ripple component.
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About Vishay
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.3261 | $0.33 |
| 500+ | $0.3205 | $160.25 |
| 1030+ | $0.2914 | $300.14 |
| 2000+ | $0.2363 | $472.56 |
| 4000+ | $0.2326 | $930.48 |
| 8000+ | $0.2299 | $1839.04 |
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