Product category:
Capacitors
News Release from: Acal Components | Subject: NASE, NAWE, NAWT, NAZK, NAZT and NAZU series
Edited by the Electronicstalk Editorial
Team on 03 April 2007
Electrolytic capacitors survive
lead-free reflow
New surface-mount V-chip aluminium electrolytic capacitors withstand reflow soldering to +260C.
New surface-mount V-chip aluminium electrolytic capacitors from Acal Components are designed to withstand reflow soldering to +260C Manufactured by NIC Components, the six new families of liquid electrolyte, aluminium capacitors are compatible with the Sn-Ag-Cu (SAC) alloy lead-free soldering process which has emerged as the industry-standard replacement for Sn-Pb solder alloys for RoHS-compliant products
This article was originally published on Electronicstalk on 20 Jan 2006 at 8.00am (UK)
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Whilst common SAC solder alloys have a melting point of +217C, the peak reflow soldering temperature recommended by solder manufacturers is between 12 and 43C above the melting point.
This enables the solder to achieve suitable wetting and to form a quality solder joint.
"Offering a range of key performance characteristics such as low ESR, wide operating temperature range, and small form factors, these new capacitors allow designers to combine their optimum performance parameter with the confidence that they are designed for the high temperatures required by RoHS-compliant manufacturing processes", explains Acal Components' Louise Early, General Manager for Passive, Inductive and Battery Products.
NASE, NAWE, NAWT, NAZK, NAZT and NAZU series capacitors are available in case diameters of 4, 5, 6.3 and 8mm.
Larger case sises of 10, 12.5 and 16mm are rated for +250, +240 and +235C peak reflow temperatures, respectively.
All are supplied on tape and reel which is compatible with automatic pick-and-place equipment.
These new series cover voltage ratings of between 6.3 and 50V DC, with capacitance values from 0.1 to 6800uF and load-life ratings from 1000 to 5000 hours at maximum rated temperatures of +85 and +105C.
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