MTTFFv1rev 12019-05-27IEV 192-05-12:2015-02

mean operating time to first failure

0112/2///61360_4#ADA202

expectation of the operating time to first failure

Used by classes: 1

property

Code: ADA202
Data type: REAL_MEASURE_TYPEmeasure
Unit: UAA525 UAA525

Used by classes (1)

ADA214measures for reliability related concepts

Version history1#

IEC CDD records every published revision of each entity — version number, status, timestamp, and the change request that introduced it. OpenCDD captures the full chain of custody from cdd.iec.ch; the entry marked Current is the one rendered on this page.

Metadata#

Note: Note 1 See also operating time to first failure (192-05-02). Note 2 For non-repairable items, the MTTFF is also the MTTF. Note 3 Term 'mean' is used as synonym to the term arithmetic mean
Source document: IEV 192-05-12:2015-02
Version: 1
Revision: 1
Status: Standard
Dates: Current version: 2019-05-27
Current revision: 2019-05-27