INDUCTORS  [Wire-wound Metal Power Inductors MCOIL™ LLDN series for Medical Devices classified as GHTF Classes A or B (Japan Classes I or II)]


Status Mass Production (Preferred)
Inductance 4.7 uH ± 20 %
Case Size (mm) 4.0x4.0
Rated Current (max) 2.5 A
Saturation Current (max) 3.5 A (⊿L=30%)
Saturation Current (typ) 5 A (⊿L=30%)
Temperature Rise Current (max) 2.5 A (⊿T=40℃)
Temperature Rise Current (typ) 2.8 A (⊿T=40℃)
DC Resistance (max) 107 mΩ
DC Resistance (typ) 93 mΩ
Operating Temp. Range -40 to +125 ℃
(Including-self-generated heat)
Temperature characteristic
(Inductance change)
± 10 %
Dimension L 4.0 ±0.2 mm
Dimension W 4.0 ±0.2 mm
Dimension H Max 2.0 mm
Dimension e 1.1 ±0.2 mm
Dimension f 2.5 ±0.2 mm
Measuring Frequency 1 MHz
RoHS Compliance (10 subst.) Yes
REACH Compliance (240 subst.) Yes
IEC62474 (Ver. D28.00) Compliance Yes
Halogen Free Yes
Soldering Reflow
Standard Quantity Taping Embossed 700pcs


To Higher Specification

Lo-Rdc Lower


Use of metallic magnetic materials which has excellent DC bias characteristic

Main Applications

For Medical Devices classified as GHTF Classes A to B (Japan Classes Ⅰ to Ⅱ)

For DC/DC converter



Simulation data



RoHS and REACH Certificate of Compliance

Characteristic value graphs

The saturation current value is the DC current value having inductance decrease down to 30%. (at 20℃)
The temperature rise current value is the DC current value having temperature increase up to 40℃. (at 20℃)
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