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Specifications
Current - Saturation (Isat):
5.9A
Mfr. Part #:
CMLW8040S4R7NST
Package:
SMD,8x8mm
Key Attributes
Model Number:
CMLW8040S4R7NST
Product Description
Product Overview
The CMLW8040S4R7NST is a high-performance magnetic component from Cybermax, designed for various electronic applications. It offers precise inductance and current handling capabilities, ensuring reliable performance in demanding environments. This product meets stringent quality and reliability standards, making it suitable for professional design implementations.
Product Attributes
- Brand: Cybermax
- Manufacturer:
- Model: CMLW8040S4R7NST
- Date Code: 2025-08-20
- Revision: A0
Technical Specifications
| Item | Specification | Test Frequency/Conditions |
| Inductance (L) | 4.7 H 30% | 100KHz/1V, Ta=25 |
| DCR | 20.0 m 30% | Ta=25 |
| Saturation Current (Isat) | 5.9 A Max. | 100KHz/1V, L/L30% |
| RMS Current (Irms) | 4.0 A Max. | 100KHz/1V, T40 |
| Operating Temperature | -40~+125 | |
| Storage Temperature | -40~ +85 and RH 70% (Max.) | |
| High Temperature Storage Test | Appearance: No significant defects; L/L10%; DCR/DCR10% | Temperature: 125; Time: 962 hours |
| Low Temperature Storage Test | Appearance: No significant defects; L/L10%; DCR/DCR10% | Temperature: -405; Time: 962 hours |
| Humidity Test | Appearance: No significant defects; L/L10%; DCR/DCR10% | Temperature: 402, Humidity: 933%RH; Time: 962 hours |
| Solderability Test | Terminals must have 95% minimum solder coverage | Dip pads in flux then dip in solder pot at 2455C for 5 seconds (Lead-free solder, rosin flux) |
| Heat Endurance of Flow Soldering | Appearance: No significant defects; L/L10%; DCR/DCR10% | Reflow curve (Peak temperature: 260+0/-5), twice |
| Vibration Test | Appearance: No significant defects; No short and no open | Frequency 10~55~10Hz, Amplitude 1.5mm, 1 min/cycle in X Y and Z direction for 2 hours each (total 6 hours) |
| Terminal Strength Push Test | Meet requirements without any loose terminals | Applied force: 10N; Duration: 10 sec; Solder paste thickness: 0.12mm |
| Soldering Materials | Solder: Sn-3.0Ag-0.5Cu; Flux: Rosin-based flux (not strongly acidic, chlorine < 0.2wt%), not water-soluble | |
| Soldering Iron Reworking | Preheating at 150 for 1 minute; Tip temperature: 350; Power: 30W; Diameter: 1.0mm; Time: <3 seconds | |
| Standard Packing Quantity | 1000 pcs/reel |
2509180925_Cybermax-CMLW8040S4R7NST_C431373.pdf
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