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Specifications
Current Rating:
350mA
Inductance:
33uH
Frequency - Self Resonant:
18MHz
Tolerance:
±10%
DC Resistance(DCR):
1.7Ω
Type:
Wire-wound Chip Inductor
Q @ Frequency:
18
Mfr. Part #:
MWI1812IF330KST-HF
Package:
1812
Key Attributes
Model Number:
MWI1812IF330KST-HF
Product Description
Product Overview
The MWI1812IF series wire wound chip inductors are designed for various electronic applications. These components offer reliable performance with specific inductance values, tolerances, and electrical characteristics suitable for demanding industrial environments. They are manufactured by DongGuan Ming Yixuan Electronic Technology Co., LTD., a company committed to quality and environmental standards.
Product Attributes
- Brand: Ming Yixuan ()
- Origin: Dongguan, China
- Product Type: Wire Wound Chip Inductor
- Series: MWI1812IF
- Environmental Compliance: Halogen Free (HF)
- Certifications: Lead Free (LF)
Technical Specifications
Dimensions (Unit: mm)
| L (Max) | W (Max) | T (Max) | E (Typ) | F (Typ) | D (Typ) |
|---|---|---|---|---|---|
| 4.95 | 3.85 | 3.43 | 1.14 | 3.05 | 3.0 |
Part Numbering System
MWI 1812 IF [Inductance] [Tolerance] [Terminal] [Packaging] - [E.P.]
- 1. Product Symbol: MWI
- 2. Dimensions: 1812
- 3. Material: IF (Chip Type)
- 4. Inductance: e.g., 1R0 (1.0 H), 2R2 (2.2 H), 100 (10 H), 101 (100 H)
- 5. Tolerance: J (5%), K (10%), M (20%)
- 6. Terminal: S (Tin Terminal)
- 7. Packaging: T (Tape & Reel), B (Bulk)
- 8. E.P. (Environmental Protection): LF (Lead Free), HF (Halogen Free), FP (Red Phosphor Free)
Electrical Characteristics
| No. | Part Number | L (H) | Test Freq (MHz) | Q (Min.) | SRF (MHz Min.) | Rdc ( Max.) | Irms (mA Max.) | Tolerance |
|---|---|---|---|---|---|---|---|---|
| 1 | MWI1812IF1R0ST-HF | 1.0 | 7.9 | 25 | 250.0 | 0.45 | 600 | K,M |
| 2 | MWI1812IF2R2ST-HF | 2.2 | 7.9 | 25 | 200.0 | 0.50 | 600 | K,M |
| 3 | MWI1812IF4R7ST-HF | 4.7 | 7.9 | 25 | 100.0 | 0.60 | 600 | K,M |
| 4 | MWI1812IF6R8ST-HF | 6.8 | 7.9 | 25 | 80.0 | 0.80 | 600 | K,M |
| 5 | MWI1812IF100ST-HF | 10 | 2.5 | 20 | 50.0 | 1.10 | 490 | K,M |
| 6 | MWI1812IF120ST-HF | 12 | 2.5 | 20 | 55.0 | 1.10 | 490 | K,M |
| 7 | MWI1812IF150ST-HF | 15 | 2.5 | 18 | 35.0 | 1.20 | 450 | K,M |
| 8 | MWI1812IF180ST-HF | 18 | 2.5 | 18 | 29.0 | 1.20 | 430 | K,M |
| 9 | MWI1812IF220ST-HF | 22 | 2.5 | 18 | 20.0 | 1.30 | 400 | K,M |
| 10 | MWI1812IF330ST-HF | 33 | 2.5 | 18 | 18.0 | 1.70 | 350 | K,M |
| 11 | MWI1812IF470ST-HF | 47 | 2.5 | 18 | 24.0 | 5.00 | 200 | K,M |
| 12 | MWI1812IF101ST-HF | 100 | 1.0 | 15 | 2.5 | 5.90 | 130 | K,M |
| 13 | MWI1812IF221ST-HF | 220 | 1.0 | 12 | 5.0 | 15.00 | 100 | K,M |
| 14 | MWI1812IF561ST-HF | 560 | 1.0 | 10 | 1.8 | 12.50 | 110 | K,M |
| 15 | MWI1812IF681ST-HF | 680 | 1.0 | 10 | 3.0 | 30.00 | 50 | K,M |
| 16 | MWI1812IF102ST-HF | 1000 | 1.0 | 10 | 1.0 | 20.00 | 50 | K,M |
Test Remarks:
- All test data is referenced to 25 ambient.
- Irms: DC current that causes the temperature rise (T 40) from 25 ambient.
General Specification
- Operating Temperature: -40 to +85 (Including self-generated heat)
- Storage Temperature: -10 to +40, R.H.: 60% Max.
- Moisture Sensitivity Level (MSL): 1
- Recommended Usage: Within 12 months from the date of delivery.
- Part Temperature Limit: The part temperature (ambient + temp rise) should not exceed 85 C under worst-case operating conditions. Verification in the end application is required.
Soldering Conditions
Re-flow Soldering (Lead Free):
- Preheat circuit and products to 150.
- Peak temperature: 260 (Max tip temperature).
- Reflow times: No more than 2 times.
- Solder paste thickness: 0.08mm (best), 0.1mm (max).
Hand Soldering:
- Use a 20 watt soldering iron with a tip diameter of 1.0mm.
- Limit soldering time to 3 seconds.
Package Specification (Taping Drawings - Reel Dimensions Unit: mm)
| Reel Size | A (2.0) | B (2.0) | C (1.0) | N (1.0) | G | Leader and Blank Portion | Peeling Off Force |
|---|---|---|---|---|---|---|---|
| CF-12 | 178 | 22 | 12.5 | 57.0 | 12 | (Refer to drawing) | 0.05 to 0.7N |
Quantity per Reel: 500 PCS
Package Specifications (Inside Box and Outside Carton)
| Unit | Quantity per Reel | Inner Box Quantity | Outer Carton Quantity | Inner Box Dimensions (cm) | Outer Carton Dimensions (cm) |
|---|---|---|---|---|---|
| PCS | 500 | 4 Reels (2000 PCS) | Small Box: 6 boxes (12000 PCS) Medium Box: 8 boxes (16000 PCS) Large Box: 10 boxes (20000 PCS) | 20.3*19.3*5.5 | Small Box: 40.6*23*19.7 Medium Box: 41*22*26 Large Box: 41*22*33 |
2506231755_MYX-MWI1812IF330KST-HF_C49241316.pdf
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