www.niccomp.com/pcn | Technical Support: [email protected] June 15th 2011 SUB: PCN – Product Change Notification Product Type: SMT Power Inductors NIC Series: NPI_C Specification: www.niccomp.com/catalog/npi_c.pdf THE FOLLOWING IS NOTICE OF SPECIFICATION CHANGE ON BELOW REFERENCED NIC COMPONENTS PRODUCTS. EFFECTIVE: Immediately with transition completed September 1st 2011 REASON FOR CHANGE: Standardize construction to industry standards 1.) Reduction of operating temperature range • Reduce Ambient Operating Temperature Range from +105°C to +85°C • Reduce Maximum Component Temperature (Ambient + Self‐Heating) from +145°C to +125°C • Retain +40°C temperature rise at maximum IRMS current Temperature Ranges Legacy New Ambient Operating Temperature Range ‐40°C ~ +105°C ‐40°C ~ +85°C Maximum Component Temperature (Ambient + Self‐Heating) ‐40°C ~ +125°C ‐40°C ~ +145°C 2.) Change in Inductance Value Test Frequency • Test Frequency changed as shown in table below Inductance Value Test Frequency Inductance Values Legacy New < 10uH 7.96MHz 100KHz ≥ 10uH <100uH 2.52MHz 1KHz I S O 9 0 0 1: 2 0 0 8 R E G I S T E R E D www.niccomp.com/pcn | Technical Support: [email protected] 3.) Change DC Resistance; DCR Case Size 32 (3.5 x 3.0 x 2.1mm) PN Inductance Value Legacy DCR New DCR NPI32C221MTRF 220 uH 5.5Ω Max 7.0Ω Max NPI32C271MTRF 270 uH 6.0Ω Max 8.24Ω Max NPI32C331MTRF 330 uH 7.0Ω Max 9.7Ω Max NPI32C391MTRF 390 uH 8.0Ω Max 10.5Ω Max Prepared by: Technical Product Marketing Group / [email protected] ÎFollow NIC PCN alerts to get email notifications of EOL and PCN announcements at www.niccomp.com/pcn I S O 9 0 0 1: 2 0 0 8 R E G I S T E R E D