STB PDF
Amendment 1 - Measurement of quartz crystal unit parameters by zero phase technique in a pi-network -- Part 1- Basic method for the measurement of resonance frequency and resonance resistance of quartz crystal units by zero phase technique in a pi-network. (Endorsed by AENOR in April of 2001.). Original standard UNE-EN 60444-1 A1-1999 in PDF full version. Additional info + preview on request
Document status: Active
Measurement of quartz crystal unit parameters by zero phase technique in a pi-network Part 4- Method for the measurement of the load resonance frequency f load resonance resistance R_ and the calculation of other derived values of quartz crystal units, up to 30 MHz. Original standard UNE-EN 60444-4-1997 in PDF full version. Additional info + preview on request
Document status: Active
Resin based reactive compounds used for electrical insulation Part 2- Methods of test (IEC 60455-2-2015) Composés réactifs à base de résines utilisés comme. Original standard UNE-EN 60455-2-2015 in PDF full version. Additional info + preview on request
Document status: Replaced by STB UNE-EN IEC 60455-2-2023
Corrigendum - Amendment 1 - VARNISHES USED FOR ELECTRICAL INSULATION - PART 2- METHODS OF TEST. Original standard UNE-EN 60464-2-2003 A1-2006 CORR-2007 in PDF full version. Additional info + preview on request
Document status: Active
Aerospace series - Electrical cables, installation - Protection sleeve in meta-aramid fibres Part 008- Self-wrapping shielded (EMI) protective sleeve with nickel copper braid, flexible post installation operating temperature from -55 °C to 200 °C - Product standard. Original standard UNE-EN 6049-008-2017 in PDF full version. Additional info + preview on request
Document status: Active
Aerospace series - Electrical cables, installation - Protection sleeve in meta-aramid fibres - Part 009- Self-wrapping fire protection sleeve, flexible, post installation, operating temperature from -55 °C to 260 °C - Product standard. Original standard UNE-EN 6049-009-2016 in PDF full version. Additional info + preview on request
Document status: Replaced by STB UNE-EN 6049-009-2025