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Specifications
Current Rating:
500mA
Inductance:
4.7uH
Tolerance:
±20%
Frequency - Self Resonant:
57MHz
Current - Saturation (Isat):
450mA
DC Resistance(DCR):
460mΩ
Type:
Wire-wound Chip Inductor
Ratings:
-
Q @ Frequency:
10@1MHz
Mfr. Part #:
MLW1608RD-4R7MT
Package:
0603
Key Attributes
Model Number:
MLW1608RD-4R7MT
Product Description
Product Overview
The MLW1608RD Series Wire Wound Chip Ferrite Inductors are designed for surface mounting, offering large inductance values due to their ferrite material construction. These compact inductors are RoHS compliant and suitable for a wide operating temperature range of -40 to +85. They are ideal for use in mobile phones, other electronic devices, Bluetooth modules, and TWS earphones.
Product Attributes
- Product Series: MLW1608RD Series
- Type: Wire Wound Chip Ferrite Inductors
- Material Code: RD Type
- Compliance: RoHS compliant
- Brand: Metal-Lions (implied by URL)
Technical Specifications
| Part Number | Inductance (H) | Test Frequency (MHz) | Q (Typ) | SRF (MHz) Typ | Rdc () Typ | Isat (mA) Typ | Irms (mA) Typ |
|---|---|---|---|---|---|---|---|
| MLW1608RD-1R0MT | 1.0 | 10 | 350.00 | 150.00 | 0.14 | 800.00 | 350.00 |
| MLW1608RD-2R2MT | 2.2 | 10 | 600.00 | 90.00 | 0.30 | 450.00 | 270.00 |
| MLW1608RD-4R7MT | 4.7 | 10 | 500.00 | 57.00 | 0.46 | 410.00 | 220.00 |
| MLW1608RD-6R8MT | 6.8 | 10 | 500.00 | 35.00 | 0.67 | 270.00 | 180.00 |
| MLW1608RD-100MT | 10.0 | 10 | 380.00 | 25.00 | 1.00 | 150.00 | 100.00 |
| MLW1608RD-150MT | 15.0 | 10 | 25.00 | 1.42 | 1.50 | 80.00 | 60.00 |
| MLW1608RD-220MT | 22.0 | 8 | 270.00 | 20.00 | 2.46 | 70.00 | 50.00 |
Dimensions [mm]
| L(MAX) | W(MAX) | T(MAX) | E(Typ.) | F(Typ.) | D(Typ.) |
|---|---|---|---|---|---|
| 1.80 | 1.60 | 1.00 | 0.64 | 1.02 | 1.25 |
Soldering Conditions
Re-flow Soldering (Lead Free)
- Preheat circuit and products to 150
- 260 tip temperature (max)
- Reflow times: no more than 2 times
- Solder paste thickness: best 0.08mm, max 0.1mm
Temperature Profile:
| PRE-HEATING | SOLDERING | COOL |
| 150 (60~180s) | 260 / 10s max. (TP) | NATURAL COOLING (Over 1 min.) |
| NATURAL PRE-HEATING (20~40s) | ||
| (217) (60~150s) |
Hand Soldering
- Use a 20 watt soldering iron with tip diameter of 1.0mm
- Limit soldering time to 3 sec.
Temperature Profile:
| PRE-HEATING | SOLDERING | COOLING |
| 150 (10s max.) | 330 / 3s(max.) | GRADUAL COOLING (Over 1 min.) |
| 350 (25s) |
Packaging
Packaging Quantity: 4000Pcs/Reel
| A Typ | B Typ | T Typ | E Typ | W Typ | A Typ | B Typ | C Typ | D Typ |
|---|---|---|---|---|---|---|---|---|
| 1.15 | 1.83 | 0.95 | 2 | 8.4 | 178 | 60 | 13 | 21 |
Reliability Test
| TEST ITEM | SPECIFICATION | TEST CONDITION |
|---|---|---|
| Solderability | More than 90% of solder coverage on the metalized area | Soldering Temp: 2305, Dipping time: 51S |
| Resistance to soldering heat | No evidence of mechanical damage. More than 75% of solder coverage on the metalized area. Inductance change: 5%, Q change: 10% | Soldering Temp: 2605, Dipping time: 101S |
| Thermal Shock | No evidence of mechanical damage. Inductance change: 5%, Q change: 10% | Cycle: -40 (30Min) to 85 (30Min), 10 Cycles |
| High Temperature Storage | No evidence of mechanical damage. Inductance change: 5%, Q change: 10% | Test Temp: 1252 (Ceramic core) / 852 (Ferrite core), Test Time: 962Hours |
| Low Temperature Storage | No evidence of mechanical damage. Inductance change: 5%, Q change: 10% | Test Temp: -402, Test Time: 962Hours |
| Moisture Resistance | No evidence of mechanical damage. Inductance change: 5%, Q change: 10% | Test Temp: 502, Test Time: 100Hours, Relative humidity: 90~95% |
| Vibration | No evidence of mechanical damage. Inductance change: 5%, Q change: 10% | Amplitude: 1.5mm (X, Y, Z each direction for 1Hr 45min), Frequency range: 10~55~10Hz |
| Component Adhesion | No evidence of mechanical damage or peel off/broken. Keep continuity of soldering. | Force: 2Kg, Test Time: 51sec |
| Resistance to bend | No evidence of mechanical damage. | Camber: 20mm, Test Board: Glass-Epoxy, Thickness: 8mm |
| Life | No evidence of mechanical damage. Inductance change: 5%, Q change: 10% | Test Temp: 852, Test Time: 1000Hours at rated current |
2410121935_MetalLions-MLW1608RD-4R7MT_C2885959.pdf
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