Tantalum chip caps with built-in fuse
4 June 2014
Passive Components
Vishay has introduced a new Hi-Rel series of TANTAMOUNT surface-mount solid tantalum moulded chip capacitors for military and aerospace applications. Available with high-reliability screening and surge current testing options in accordance with MIL-PRF-55365, the Vishay Sprague T42 series combines a built-in fuse for fail-safe operation with high capacitance and voltage ratings, and low ESR down to 80 m at +25°C and 100 kHz.
The capacitors are ideal for filtering, decoupling and energy storage applications in weapons and radar systems, avionics and space-based electronics. To protect against catastrophic failures in these safety-critical applications, the devices’ built-in fuse guarantees protection at 5 A for 10 ms and is optimised to ensure activation while avoiding false triggering.
The T42 employs a multi-anode ‘mirror’ structure that reduces ESR by at least 50%. Each internal anode within the device has a dedicated fuse, allowing unaffected anodes to maintain capacitance in the unlikely event of a failure. Depending on the application, this fault-tolerant design allows for a degraded mode of operation rather than a complete loss of functionality.
Offered in the M2 case code, T42 series capacitors eliminate the problematic J-lead construction and associated current loops, thereby reducing ESL by two thirds that of traditional capacitors. The result is high capacitance from 10 μF to 470 μF, with tolerances of ±10% and ±20%, and voltage ratings from 16 V to 75 V d.c.
The T42 series offers an operating temperature range of -55°C to +85°C, +125°C with voltage derating, and maximum ripple current from 0,7 to 1,8 A. RoHS-compliant, the devices are available with 100% tin or tin/lead terminations.
For more information contact Yolandi de Beer, Avnet Kopp, +27 (0)11 319 8600, [email protected], www.avnet.co.za
Further reading:
Cooling solutions for modern electronics
Future Electronics
Passive Components
As electronic systems become more compact and powerful, effective thermal management has become a critical aspect of product design.
Read more...
DC-link capacitors with ultra-low inductance
Electrocomp
Passive Components
TDK Corporation recently released its new series of MKP DC high-frequency film capacitors, a high-performance DC link capacitor platform for next-generation SiC-based power electronics.
Read more...
Generating negative voltages from a positive supply
Altron Arrow
Editor's Choice Passive Components
It is common for IoT devices, industrial sensors, meters, and medical equipment to require both a positive and negative voltage, and this article explains the options available to produce a negative rail from a positive rail supply.
Read more...
High-precision thick-film resistors
Avnet Silica
Passive Components
The new Panasonic ERJPC high precision thick-film resistors series deliver accuracy levels previously only achievable with thin film technology, offering customers higher power density and cost-effective performance.
Read more...
Semi-shielded power inductors
RS South Africa
Passive Components
The SDCx family from Eaton includes the SDCL and SDCH series of semi-shielded power inductors designed for reliable performance in consumer, industrial, energy, and medical applications.
Read more...
Compact high-current power inductor
EBV Electrolink
Passive Components
Vishay’s IHLP series power inductors deliver high current capability in an ultra-low profile, magnetically shielded design.
Read more...
Tiny noise suppression filters
RS South Africa
Passive Components
TDK Corporation recently announced its latest noise suppression filters of the MAF0603GWY series, which measure only 0,6 x 0,3 x 0,3 mm.
Read more...
Compact 1250 V choke solution
Electrocomp
Passive Components
TDK Corporation has introduced a new high-voltage common-mode choke series designed to support more compact and efficient 1250 V DC converter architectures in next-generation power electronics.
Read more...
Tiny power inductor for low noise applications
iCorp Technologies
Passive Components
With the evolution of Bluetooth, chips, sensors and other technologies, the design of TWS earphones is becoming smaller and thinner, and the performance and size requirements of integrated inductors need to follow suit.
Read more...
High-endurance polymer tantalum capacitors
Passive Components
Panasonic Industry TDC Series POSCAP polymer tantalum capacitors deliver high endurance and reliable performance in demanding, high-temperature environments.
Read more...
printer friendly version