Technology

Enhancing Electronic Detonation Systems with Vishay’s TANTAMOUNT Solid Tantalum Chip Capacitors: Robust Design and Stringent Testing for Reliable Performance in Harsh Environments

Vishay's solid tantalum chip capacitors improve the performance of electronic detonation systems. TANTAMOUNT devices have a strong design and low 0.005CV DCL, along with strict testing requirements to guarantee dependable detonation in challenging conditions.

Vishay Intertechnology, Inc. has released a new line of TANTAMOUNT surface-mount solid tantalum molded chip capacitors that are made for electronic detonation systems. The Vishay Sprague TX3 series capacitors are designed with a strong mechanical structure, low leakage current, and strict testing standards to provide improved performance and reliability compared to regular tantalum capacitors and MLCCs.

The capacitors being introduced today have a low DCL value of 0.005CV and use tantalum, which has a high energy density compared to other capacitor technologies. This allows the capacitors to provide more energy for reliable ignition, making them well-suited for remote detonation systems in mining and demolition. The tantalum anode technology and high-quality dielectric formation from Vishay guarantee stable electrical performance in challenging conditions.

In order to guarantee reliability, TX3 series capacitors undergo more rigorous testing compared to standard commercial capacitors. Each capacitor is tested for surge current at 100%, using standard methods, and also undergoes two additional screenings to ensure consistent electrical characteristics across different production lots. These capacitors are designed with a durable solution in mind, as they are encapsulated in hard plastic resin to protect the capacitive element and lead frame. In comparison to MLCCs, TX3 series capacitors have higher shock resistance (100 g) and vibration capabilities (20 g) in accordance with MIL-STD-202.

The TX3 series is available in two different case sizes, B (EIA 3528-21) and C (EIA 6032-28), and offers a capacitance range from 10 µF to 100 µF with voltage ratings between 16 V to 25 V and a capacitance tolerance as low as ± 10 %. These devices have ESR values ranging from 0.700 Ω to 2.3 Ω at +25 °C, ripple current up to 0.438 A, and can operate at high temperatures up to +125 °C. They feature lead (Pb)-free terminations and are compliant with RoHS, halogen-free, and Vishay Green standards.

You can now request samples and order production quantities of the recently released solid tantalum capacitors, but be aware that there is a lead time of 10 to 12 weeks. If you want to know the prices, reach out to your nearest Vishay representative.

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