on Aluminium nitrite (AlN) and Beryllium oxide (BeO). Overview passive components.
Barry has developped products with special copper tungsten (CuW) flange for highest reliability in pulsed amplifiers and for large temperature variations. This Application Note explains the advantages.
The special requirements for resistors in pulsed applications are explained in this paper.
Download here the Barry-catalog.
Barry does space qualifications for its products.
Barry has developped hermetically sealed QFN-packages
based on Alumina for microwave and millimeter
wave frequencies up to 40GHz. Customer specific versions
can be developped for a few k pcs. All show very low
loss and are according to RoHS.
Overview ceramic QFN-packages:
|3mm||12||Bare Seal Ring||VEED-5||QFN-3312-0500|
|3mm||12||Grounded Seal Ring||VEED-5||QFN-3312-0501|
|3mm||12||Castellated Grounded Seal Ring||VEED-5||QFN-3312-0502|
|4mm||20||Bare Seal Ring||VGGD-5||QFN-4420-0500|
|4mm||20||Grounded Seal Ring||VGGD-5||QFN-4420-0501|
|4mm||20||Castellated Grounded Seal Ring||VGGD-5||QFN-4420-0502|
|5mm||32||Bare Seal Ring||VHHD-5||QFN-5532-0500|
|5mm||32||Grounded Seal Ring||VHHD-5||QFN-5532-0501|
|5mm||32||Castellated Grounded Seal Ring||VHHD-5||QFN-5532-0502|
|6mm||36||Bare Seal Ring||VJJD-5||QFN-6636-0500|
|6mm||36||Grounded Seal Ring||VJJD-5||QFN-6636-0501|
|6mm||36||Castellated Grounded Seal Ring||VJJD-5||QFN-6636-0502|
|7mm||44||Bare Seal Ring||VKKD-5||QFN-7744-0500|
|7mm||44||Grounded Seal Ring||VKKD-5||QFN-7744-0501|
|7mm||44||Castellated Grounded Seal Ring||VKKD-5||QFN-7744-0502|
|8mm||48||Bare Seal Ring||VLLD||QFN-8848-0500|
|8mm||48||Grounded Seal Ring||VLLD||QFN-8848-0501|
|8mm||48||Castellated Grounded Seal Ring||VLLD||QFN-8848-0502|
The insertion loss values are the same for all
DC to 18GHz: 0.5dB
18GHz to 35GHz: 1.5dB
Barry develops custom components (ceramic substrates, ceramic packages, resistors up to 5000W). Example: Microchannel ceramic cooler (picture to the right).