Product Overview
The MWI1812UC series is a range of wire-wound chip inductors designed for various electronic applications. These inductors offer reliable performance with a focus on environmental compliance, being available in Lead Free (LF) and Halogen Free (HF) options. They are suitable for use in a wide operating temperature range and are supplied in tape and reel packaging for automated assembly.
Product Attributes
- Brand: Ming Yixuan Electronic Technology Co., LTD.
- Origin: Dongguan, China
- Product Symbol: MWI
- Series: MWI1812UC
- Environmental Compliance: LF (Lead Free), HF (Halogen Free), FP (Red Phosphor Free)
- Packaging Options: Tape and Reel (T), Bulk (B)
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 |
Electrical Characteristics
| Part Number | Inductance (H) | Test Freq (MHz) | Q (Min.) | SRF (MHz) Min. | Rdc () Max. | Irms (mA) Max. | Tolerance |
|---|---|---|---|---|---|---|---|
| MWI1812UCR10ST-HF | 0.10 | 7.9 | 60@50MHZ | 400 | 0.60 | 480 | J,K,M |
| MWI1812UCR12ST-HF | 0.12 | 25 | 50@25MHZ | 900 | 0.10 | 480 | J,K,M |
| MWI1812UCR15ST-HF | 0.15 | 25 | 50@25MHZ | 700 | 0.12 | 480 | J,K,M |
| MWI1812UCR18ST-HF | 0.18 | 25 | 50@25MHZ | 700 | 0.13 | 480 | J,K,M |
| MWI1812UCR22ST-HF | 0.22 | 25 | 50@25MHZ | 500 | 0.14 | 480 | J,K,M |
| MWI1812UCR27ST-HF | 0.27 | 25 | 50@25MHZ | 500 | 0.15 | 480 | J,K,M |
| MWI1812UCR33ST-HF | 0.33 | 7.9 | 60@50MHZ | 400 | 0.70 | 480 | J,K,M |
| MWI1812UCR39ST-HF | 0.39 | 7.9 | 60@50MHZ | 400 | 0.80 | 480 | J,K,M |
| MWI1812UCR75ST-HF | 0.75 | 7.9 | 60@50MHZ | 350 | 0.65 | 750 | J,K,M |
| MWI1812UC1R0ST-HF | 1.00 | 7.9 | 60@50MHZ | 250 | 1.20 | 480 | J,K,M |
| MWI1812UC1R5ST-HF | 1.50 | 7.9 | 60@50MHZ | 210 | 1.60 | 430 | J,K,M |
| MWI1812UC2R2ST-HF | 2.20 | 7.9 | 35@50MHZ | 150 | 2.20 | 340 | J,K,M |
| MWI1812UC2R7ST-HF | 2.70 | 7.9 | 55@50MHZ | 150 | 3.20 | 300 | J,K,M |
| MWI1812UC3R3ST-HF | 3.30 | 7.9 | 55@50MHZ | 130 | 3.80 | 270 | J,K,M |
| MWI1812UC3R9ST-HF | 3.90 | 7.9 | 55@50MHZ | 120 | 5.00 | 240 | J,K,M |
| MWI1812UC4R7ST-HF | 4.70 | 7.9 | 25@50MHZ | 90 | 5.40 | 230 | J,K,M |
| MWI1812UC5R6ST-HF | 5.60 | 7.9 | 45@50MHZ | 90 | 5.70 | 220 | J,K,M |
| MWI1812UC6R8ST-HF | 6.80 | 7.9 | 30@50MHZ | 80 | 6.60 | 210 | J,K,M |
| MWI1812UC8R2ST-HF | 8.20 | 7.9 | 20@50MHZ | 70 | 7.00 | 200 | J,K,M |
| MWI1812UC100ST-HF | 10.00 | 7.9 | 15@50MHZ | 50 | 7.70 | 190 | J,K,M |
| MWI1812UC120ST-HF | 12.00 | 2.5 | 30@10MHZ | 50 | 8.70 | 180 | J,K,M |
| MWI1812UC150ST-HF | 15.00 | 2.5 | 30@10MHZ | 30 | 9.60 | 170 | J,K,M |
| MWI1812UC180ST-HF | 18.00 | 2.5 | 25@10MHZ | 30 | 10.50 | 160 | J,K,M |
| MWI1812UC220ST-HF | 22.00 | 2.5 | 25@10MHZ | 20 | 11.50 | 155 | J,K,M |
| MWI1812UC270ST-HF | 27.00 | 2.5 | 25@10MHZ | 20 | 12.50 | 150 | J,K,M |
| 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 Specifications
- 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.
- 260 tip temperature (Max).
- Reflow times: no more than 2 times.
- Solder paste thickness: best 0.08mm, max 0.1mm.
Hand Soldering
- Use a 20 watt soldering iron with tip diameter of 1.0mm.
- Limit soldering time to 3 sec.
Packaging
| Type | Quantity per Reel | 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 | 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 |
Taping Drawings Reel Dimensions (Unit: mm)
| A (2.0) | B (2.0) | C (1.0) | N (1.0) | G (1.0) |
|---|---|---|---|---|
| 178 | 22 | 12.5 | 57 | 12 |
Leader and Blank Portion: Peeling off force: 0.05 to 0.7N in the direction shown.
2506231755_MYX-MWI1812UC3R9JST-HF_C49241337.pdf
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