Effective November 2015 Technical Data 4410 Supersedes May 2011 CTX01-18738-R High current, high frequency power inductors Applications Voltage Regulator Module (VRM) Multi-phase and Vcore regulators Point-of-load modules Desktop and server VRMs and EVRDs Base station equipment Battery power systems Graphics cards Data networking and storage systems Environmental Data Storage temperature range: -40C to +125C Operating temperature range: -40C to +125C Description (ambient plus self-temperature rise) High current carrying capacity, low core losses Solder reflow temperature: J-STD-020D Tight tolerance DCR for sensing circuits compliant 11 x 8.0mm footprint surface mount package HALOGEN in a 7.5mm height HF Pb Frequency range up to 2MHz FREE Halogen free, lead free, RoHS compliantCTX01-18738-R Technical Data 4410 Effective November 2015 High current, high frequency power inductors Product Specifications 1 2 3 4 5 OCL FLL I I 1 I 2 DCR (m ) rms sat sat 6 Part Number (nH) 10% (nH) minimum (amps) (amps) (amps) 20C CTX01-18738-R 210 151 50 55 45 0.29 5% 1.Open Circuit Inductance (OCL) Test Parameters: 300kHz, 0.10V , 0.0Adc 25C. 4. I 1: Peak current for approximately 20% rolloff at +25C. rms sat 2. Full Load Inductance (FLL) Test Parameters: 300kHz, 0.10V , I 1 25C. 5. I 2: Peak current for approximately 20% rolloff at +125C. rms sat sat 3. I : DC current for an approximate temperature rise of 20C without core loss. Derating is necessary for AC currents. 6. Part Number Definition: CTX01-18738-R rms PCB layout, trace thickness and width, air-flow and proximity of other heat generating components will affect the - CTX01-18738 = Product code and size temperature rise. It is recommended that the temperature of the part not exceed 125C under worst case operating - -R suffix = RoHS compliant conditions verified in the end application. Dimensions (mm) 6.70 typ. Part marking: CTX01-18738, wwllyy = Date Code, R = Revision Level All soldering surfaces must be coplanar within 0.102 millimeters. Tolerances are 0.1 millimeters unless stated otherwise. The DCR is measured from point a to point b Packaging information (mm) Temperature rise vs. total loss 60 50 40 30 20 10 0 0.0 0.5 1.0 1.5 2.0 2.5 Total Loss (W) www.eaton.com/elx 2 (C) Temperature Rise