Product Overview
The MWI1812UC series is a range of wire-wound chip inductors designed for various electronic applications. These inductors offer a wide range of inductance values with specified tolerances, Q factors, and Self-Resonant Frequencies (SRF). They are suitable for general electronic circuits requiring reliable inductance components, with options for different terminal materials and packaging methods. The series adheres to environmental standards like Lead-Free (LF) and Halogen-Free (HF).
Product Attributes
- Brand: DongGuan Ming Yixuan Electronic Technology Co., LTD.
- Series: MWI1812UC
- Origin: China
- Environmental Compliance: LF (Lead Free), HF (Halogen Free)
- Certifications: Not explicitly stated, but implies approval for use.
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 UC R10 J S T - HF
- 1. PRODUCT SYMBOL: MWI
- 2. DIMENSIONS: 1812
- 3. MATERIAL: UC (Chip Type)
- 4. INDUCTANCE: e.g., R10 (0.10 H)
- 5. TOLERANCE: G (2%), J (5%), K (10%), M (20%)
- 6. TERMINAL: G (Gold), S (Tin)
- 7. PACKAGING: T (Tape & Reel), B (Bulk)
- 8. E.P. (Environmental): LF (Lead Free), HF (Halogen Free), FP (Red Phosphor Free)
Electrical Characteristics
| No. | Part Number | Inductance (H) | Test Freq (MHz) | Q (Min.) | SRF (MHz) Min. | Rdc () Max. | Irms (mA) Max. | Tolerance |
|---|---|---|---|---|---|---|---|---|
| 1 | MWI1812UCR10ST-HF | 0.10 | 7.9 | 60@50MHZ | 400 | 0.60 | 480 | J,K,M |
| 2 | MWI1812UCR12ST-HF | 0.12 | 25 | 50@25MHZ | 900 | 0.10 | 480 | J,K,M |
| 3 | MWI1812UCR15ST-HF | 0.15 | 25 | 50@25MHZ | 700 | 0.12 | 480 | J,K,M |
| 4 | MWI1812UCR18ST-HF | 0.18 | 25 | 50@25MHZ | 700 | 0.13 | 480 | J,K,M |
| 5 | MWI1812UCR22ST-HF | 0.22 | 25 | 50@25MHZ | 500 | 0.14 | 480 | J,K,M |
| 6 | MWI1812UCR27ST-HF | 0.27 | 25 | 50@25MHZ | 500 | 0.15 | 480 | J,K,M |
| 7 | MWI1812UCR33ST-HF | 0.33 | 7.9 | 60@50MHZ | 400 | 0.70 | 480 | J,K,M |
| 8 | MWI1812UCR39ST-HF | 0.39 | 7.9 | 60@50MHZ | 400 | 0.80 | 480 | J,K,M |
| 9 | MWI1812UCR75ST-HF | 0.75 | 7.9 | 60@50MHZ | 350 | 0.65 | 750 | J,K,M |
| 10 | MWI1812UC1R0ST-HF | 1.00 | 7.9 | 60@50MHZ | 250 | 1.20 | 480 | J,K,M |
| 11 | MWI1812UC1R5ST-HF | 1.50 | 7.9 | 60@50MHZ | 210 | 1.60 | 430 | J,K,M |
| 12 | MWI1812UC2R2ST-HF | 2.20 | 7.9 | 35@50MHZ | 150 | 2.20 | 340 | J,K,M |
| 13 | MWI1812UC2R7ST-HF | 2.70 | 7.9 | 55@50MHZ | 150 | 3.20 | 300 | J,K,M |
| 14 | MWI1812UC3R3ST-HF | 3.30 | 7.9 | 55@50MHZ | 130 | 3.80 | 270 | J,K,M |
| 15 | MWI1812UC3R9ST-HF | 3.90 | 7.9 | 55@50MHZ | 120 | 5.00 | 240 | J,K,M |
| 16 | MWI1812UC4R7ST-HF | 4.70 | 7.9 | 25@50MHZ | 90 | 5.40 | 230 | J,K,M |
| 17 | MWI1812UC5R6ST-HF | 5.60 | 7.9 | 45@50MHZ | 90 | 5.70 | 220 | J,K,M |
| 18 | MWI1812UC6R8ST-HF | 6.80 | 7.9 | 30@50MHZ | 80 | 6.60 | 210 | J,K,M |
| 19 | MWI1812UC8R2ST-HF | 8.20 | 7.9 | 20@50MHZ | 70 | 7.00 | 200 | J,K,M |
| 20 | MWI1812UC100ST-HF | 10.00 | 7.9 | 15@50MHZ | 50 | 7.70 | 190 | J,K,M |
| 21 | MWI1812UC120ST-HF | 12.00 | 2.5 | 30@10MHZ | 50 | 8.70 | 180 | J,K,M |
| 22 | MWI1812UC150ST-HF | 15.00 | 2.5 | 30@10MHZ | 30 | 9.60 | 170 | J,K,M |
| 23 | MWI1812UC180ST-HF | 18.00 | 2.5 | 25@10MHZ | 30 | 10.50 | 160 | J,K,M |
| 24 | MWI1812UC220ST-HF | 22.00 | 2.5 | 25@10MHZ | 20 | 11.50 | 155 | J,K,M |
| 25 | MWI1812UC270ST-HF | 27.00 | 2.5 | 25@10MHZ | 20 | 12.50 | 150 | J,K,M |
| 26 | MWI1812UC330ST-HF | 33.00 | 2.5 | 10@10MHZ | 10 | 13.50 | 145 | J,K,M |
: Represents product tolerance.
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 ~ +125 (Including self-generated heat).
- Storage Temperature: -10 ~ +40 R.H.: 60% Max.
- Moisture Sensitivity Level (MSL): 1
- Recommended Usage: Products should be used within 12 months from the date of delivery.
- Part Temperature Limit: The part temperature (ambient + temp rise) should not exceed 125 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.
- Max tip temperature: 260.
- 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.
Packaging
| Type | Quantity per Reel | Reel Diameter (mm) | Reel Width (mm) | Hub Diameter (mm) | Hub Width (mm) | Inner Box Quantity | Outer Carton Quantity (Small Box) | Outer Carton Quantity (Medium Box) | Outer Carton Quantity (Large Box) | Inner Box Dimensions (cm) | Outer Carton Dimensions (Small Box) (cm) | Outer Carton Dimensions (Medium Box) (cm) | Outer Carton Dimensions (Large Box) (cm) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1812 | 500 PCS | 1782.0 | 222.0 | 12.51.0 | 571.0 | 4 Reels (2000 PCS) | 6 Boxes (12000 PCS) | 8 Boxes (16000 PCS) | 10 Boxes (20000 PCS) | 20.3*19.3*5.5 | 40.6*23*19.7 | 41*22*26 | 41*22*33 |
Leader and blank portion: Peeling off force: 0.05 to 0.7N.
2506231755_MYX-MWI1812UC180JST-HF_C49241345.pdf
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