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Technical content
Design and specifi cations are each subject to change without notice. Ask factory for the current technical specifi cations before purchase and/or use. Should a safety concern arise regarding this product, please be sure to contact us immediately. Choke Coils 456789 Product Code InductanceClassification 10 11 12 SuffixPackagingCoreWindingSize ■ Explanation of Part Numbers ■ Features
- Small type (11.5×10.0×H4.0 mm)
- High power (21 A to 28 A)
- Low loss (R DC :0.7 to 1.56 mΩ)
- Tighter DCR tolerance ( ±5 % to ±10 %)
- Suitable for high frequency circuit (up to 1 MHz)
- Low buzz noise due to its gap-less structure
- RoHS compliant ■ Standard Packing Quantity (Minimum Quantity/Packing Unit)
- 2000 pcs./box (2 reel) Power Choke Coil Series: PCC-M104L (MC) Small mounting size for multi-phase DC-DC converter circuits ■ Standard Parts Part No. Inductance (at 20 °C)✽1 Rated current (A)✽2 DC resistance (at 20 °C) (mΩ) L0 at 0A L1 L2 (Reference) (μH) (μH) Measurement current (A) (μH) Measurement current (A) ETQP4LR19WFC (0.20) 0.19±20 % 21 (0.17) 30 28 0.70± 10 % ETQP4LR36WFC ETQP4LR56WFC (0.60) 0.56±20 % 15 (0.53) 21 21 1.56± 5 % ETQP4LR45XFC 0.45+20/–25 % — — (0.38) 25 25 1.10± 5 % (✽1) Inductance is measured at 100 kHz. (✽2) Rated current defi nes actual value of DC current, when temperature rise of coil becomes 40 K. ■ Recommended Applications
- Servers, Routers, DC-DC converters for driving CPUs
- Notebook PC power supply modules Dec. 201303
Design and specifi cations are each subject to change without notice. Ask factory for the current technical specifi cations before purchase and/or use. Should a safety concern arise regarding this product, please be sure to contact us immediately. Choke Coils 11.5 max. 4.0 max. 0.01 min. 10.0±0.3 2.5 4.0±0.2 P1 P2 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0 2 4 6 8 1 01 21 41 61 82 02 22 42 62 83 0 (A) (uH) &521-38'$ &521-38'$ &521-38'$ &521-39'$ 100 0 5 10 15 20 25 30 Idc (A) Temp. rise (K) &521-38'$ &521-38'$&521-39'$ &521-38'$ 3.8 6.0 3.8 4.6 ■ Performance Characteristics (Ref er ence) ■ Dimensions in mm (not to scale) ■ Connection ■ Recommended Land Pattern in mm (not to scale) Inductance vs DC Current Case T emperature vs DC Current ˙ Packaging Methods, Soldering Conditions and Safety Precautions (Power Choke Coils for Consumer use) Please see Data Files Dec. 201303