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Specifications
Mfr. Part #:
CMLW4020S4R7MST
Package:
SMD,4x4mm
Key Attributes
Model Number:
CMLW4020S4R7MST
Product Description
Product Overview
The CMLW4020S Series is a wire-wound SMD power inductor featuring magnetic-resin shielding for ultra-low buzz noise. Its metallization on the ferrite core provides excellent shock resistance and durability. The closed magnetic circuit design minimizes leakage flux and EMI. These inductors offer a 30% higher current rating than conventional inductors of equal size, saving PCB real estate and power.
Product Attributes
- Brand: Cybermax
- Series: CMLW4020S
- Construction: Magnetic-resin shielded, Wire Wound SMD
- Material: Ferrite core with metallization
- Certifications: Pb (Lead Free)
Technical Specifications
| Part Number | Inductance @100KHz,1V (H) | DCR 30% () Min. | Sat. Current (A) Isat | Heat Rate Current (A) Irms | Min. Self-Resonant Frequency (MHz) |
| CMLW4020S1R0MST | 1.020% | 0.029 | 4.85 | 2.15 | 75 |
| CMLW4020S1R5MST | 1.520% | 0.035 | 4.45 | 1.98 | 71 |
| CMLW4020S2R2MST | 2.220% | 0.040 | 3.40 | 1.85 | 49 |
| CMLW4020S3R3MST | 3.320% | 0.070 | 3.20 | 1.40 | 44 |
| CMLW4020S4R7MST | 4.720% | 0.075 | 2.35 | 1.34 | 42 |
| CMLW4020S5R1MST | 5.120% | 0.085 | 2.30 | 1.27 | 42 |
| CMLW4020S5R6MST | 5.620% | 0.090 | 2.20 | 1.22 | 30 |
| CMLW4020S6R2MST | 6.220% | 0.115 | 2.15 | 1.08 | 36 |
| CMLW4020S6R8MST | 6.820% | 0.125 | 2.20 | 1.04 | 33 |
| CMLW4020S100MST | 1020% | 0.165 | 1.60 | 0.90 | 26 |
| CMLW4020S120MST | 1220% | 0.175 | 1.50 | 0.88 | 26 |
| CMLW4020S150MST | 1520% | 0.230 | 1.35 | 0.77 | 24 |
| CMLW4020S220MST | 2220% | 0.350 | 1.05 | 0.62 | 15 |
| CMLW4020S330MST | 3320% | 0.550 | 0.85 | 0.49 | 11 |
| CMLW4020S390MST | 3920% | 0.650 | 0.82 | 0.46 | 11 |
| CMLW4020S470MST | 4720% | 0.710 | 0.74 | 0.44 | 10 |
| CMLW4020S680MST | 6820% | 1.060 | 0.61 | 0.36 | 7.7 |
| CMLW4020S820MST | 8220% | 1.170 | 0.56 | 0.34 | 7.2 |
| CMLW4020S101MST | 10020% | 1.350 | 0.52 | 0.31 | 6.3 |
Applications
- LED Lighting
- Mobile devices with multifunction (e.g., color TV, camera)
- Flat-screen TVs, Blu-ray disc recorders, set-top boxes
- Notebooks, desktop computers, servers, graphic cards
- Portable gaming devices, personal navigation systems, personal multimedia devices
- Automotive systems
- Telecommunication base stations
Dimensions
| Series | A (Typ.) | B (Typ.) | C (Max.) | D (Typ.) | E (Typ.) | F (Typ.) | a (Typ.) | b (Typ.) | c (Typ.) |
| CMLW4020S | 4.00.2 | 4.00.2 | 2.0 | 3.30.2 | 0.950.2 | 2.100.2 | 1.9 | 1.1 | 3.7 |
Operating Conditions
- Operating temperature range (Including self-heating): -40 to +125
- Storage temperature range (packaging conditions): -10 to +40 and RH 70% (Max.)
Part Numbering System
CMLW 4020 S 100 M S T
- (1) Series Type
- (2) Dimension: L x H
- (3) Material Code
- (4) Inductance: e.g., 2R2=2.2H, 100=10H, 101=100H
- (5) Inductance Tolerance: M=20%, N=30%
- (6) Company Code
- (7) Packaging: Tape Carrier Package
Notes
- All test data is referenced to 20C ambient.
- Rated current: Isat or Irms, whichever is smaller.
- Isat: DC current at which the inductance drops approximately 30% from its value without current.
- Irms: DC current that causes the temperature rise (T =40C) from 20C ambient.
Standard Packing Quantity
3000 pcs/reel
2410121251_Cybermax-CMLW4020S4R7MST_C431267.pdf
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