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 from 0.10 H to 27.00 H, with tight tolerances and excellent Q factors. They are suitable for applications requiring reliable performance and compact size, featuring a robust construction for demanding environments. The series is available in both lead-free and halogen-free options, adhering to environmental standards.
Product Attributes
- Brand: Ming Yixuan Electronic Technology Co., LTD.
- Series: MWI1812UC
- Origin: Dongguan, China
- Environmental Compliance: Lead Free (LF), Halogen Free (HF), Red Phosphor Free (FP)
- Packaging Options: Tape & Reel (T), Bulk (B)
Technical Specifications
Dimensions
Shape & Dimension (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 |
Recommended Land Patterns (Unit: mm):
(Note: Land pattern dimensions are not explicitly provided in detail, only a placeholder graphic reference.)
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
General Specifications
- Operating Temperature: -40 to +125 (Including self-generated heat)
- Storage Temperature: -10 to +40, 60% R.H. Max.
- Moisture Sensitivity Level (MSL): 1
- Recommended Usage Period: Within 12 months from the date of delivery
- Part Temperature Limit: Should not exceed 125 under worst-case operating conditions (ambient + temperature rise). Verification in end application is required.
Soldering Conditions
Re-flow Soldering (Lead Free):
- Preheat circuit and products to 150.
- Peak temperature: 260 (Max).
- Reflow times: No more than 2 times.
- Solder paste thickness: Best 0.08mm, Max 0.1mm.
Hand Soldering:
- Soldering iron: 20 watt with 1.0mm tip diameter.
- Soldering time: Limit to 3 seconds.
Packaging
Taping Drawings & Reel Dimensions (Unit: mm):
| Type | Quantity per Reel | A (2.0) | B (2.0) | C (1.0) | N (1.0) | G |
|---|---|---|---|---|---|---|
| 1812 | 500 PCS | 178 | 22 | 12.5 | 57 | 12 |
Leader and Blank Portion:
- Peeling Off Force: 0.05 to 0.7N in the specified direction.
Box and Carton Specifications:
| Package Level | Quantity per Unit | Unit Dimensions (cm) |
|---|---|---|
| Per Reel | 500 PCS | N/A |
| Inner Box (4 Reels) | 2000 PCS | 20.3*19.3*5.5 |
| Outer Carton (Small - 6 Boxes) | 12000 PCS | 40.6*23*19.7 |
| Outer Carton (Medium - 8 Boxes) | 16000 PCS | 41*22*26 |
| Outer Carton (Large - 10 Boxes) | 20000 PCS | 41*22*33 |
Part Numbering System: MWI 1812 UC R10 J S T - HF
- Product Symbol: MWI
- Dimensions: 1812
- Material/Chip Type: UC
- Inductance: R10 (0.10H)
- Tolerance: G (2%), J (5%), K (10%), M (20%)
- Terminal: G (Gold), S (Tin)
- Packaging: T (Tape & Reel), B (Bulk)
- Environmental: LF (Lead Free), HF (Halogen Free), FP (Red Phosphor Free)
2506231755_MYX-MWI1812UCR22JST-HF_C49241327.pdf
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