FIT / MTBF (Failure Rate)

 View PDF data sheet   Meisongbei FIT / MTBF Values

Our steady state FIT, MTBF values are calculated per Telcordia SR-332 Issue 4 (2016).

	Telcordia SR-332 Issue 4*
	90% UCL		60% UCL
RF Inductors / Transformers	FITs (ppb hours)	MTBF (hours)	FITs (ppb hours)	MTBF (hours)
Chip inductors, air core inductors, RFID coils	0.27	3.70x109	0.23	4.348 x109
Tunable inductors	4.97	2.01 x108	3.59	2.786 x108
Broadband conical inductors	0.67	1.49 x109	0.51	1.961 x109
Wideband RF transformers / baluns / chip transformers	13.92	7.18 x107	9.71	1.030 x108
Power Inductors / Transformers
SMT and THT power inductors	0.67	1.49 x109	0.51	1.961 x109
Coupled power inductors	15.43	6.48 x107	10.55	9.479 x107
Transformers / Current sensors	15.43	6.48 x107	10.55	9.479 x107
EMI Filters
CM chokes	15.43	6.48 x107	10.55	9.479 x107

Note: All calculations are based on the following conditions: Ground, Fixed, Controlled Environment, I-D Device Method, Quality Level II, 100% electrical stress, 85°C operating temperature, and 0.15 eV activation energy.