The flat wire inductor is manufactured with a precision-formed copper flat wire structure and magnetic shield design, specifically developed for DC-DC converters and multiphase VRMs, ensuring low DCR, high current handling capability, and excellent heat dissipation.The product features a robust and reliable structure with an effective cross-sectional area larger than traditional round wire designs.It is suitable for DC-DC converters, industrial power supplies, and automotive electronics. It is an ideal choice for flat wire inductor applications in power management and high-power-density design.
Features
- Precision-formed copper flat wire structure
- Effective conductor cross-sectional area larger than round wire
- Low DCR
- High current handling capability
- Improved heat dissipation, reduced temperature rise
- High power density, compact layout
- Magnetic shield structure reduces electromagnetic leakage
- Stable inductance across a wide temperature range
- Robust mechanical structure, long-term durability
- Customisable electrical parameters supported
Applications
- DC-DC converters (buck/boost)
- Multiphase Voltage Regulator Modules (VRM)
- Industrial power supplies
- Automotive electronics
- Renewable energy systems
- High-performance computing power supplies
- Audio filtering applications
- High-current boost converters
| Product families | 1.CEP | 2.DEP | 3.LPA | 4.LPQ | 5.SPQ | 6.ERU | 7.TR |
1.CEP Family
High Current Power Inductors
FEATURES:
- Compact size using flat wire,and SMD type
- Low radiation noise by magnetically shielded construction
- High current
- Low resistance
- Operating Temperature & Storage Temperature: -40℃ - +105℃
APPLCATIONS:
- High efficiency DC/DC converters
- Single and polyphase buck converters
- Filter for audio applications
- Optimized for high current boost applications
Series in this family
| Product Series | Impedance@100KHz±20% | DCR Max(mΩ) | Temperature rise 40℃ current(A)Max | |
| CEP104 | 0.8-5.7 | 4.0-9.0 | 11.5-16.3 | ✉ |
| CEP105 | 5.6-22 | 10.5-40 | 4.0-8.5 | ✉ |
| CEP136 | 1.0-10 | 2.6-10.8 | 7.6-13 | ✉ |
| CEP139 | 10-47 | 15-23 | 7.7-9.2 | ✉ |
| CEP1412 | 10-47 | 7.98-17.9 | 6.5-10.1 | ✉ |
| CEP148 | 0.5-12.0 | 1.2-13.0 | 8.5-23 | ✉ |
| CEP1812 | 5.6-33 | 2.00-8.94 | 12.0-22.5 | ✉ |
| CEP2214 | 3.3-47 | 1.87-12.6 | 12.8-36.5 | ✉ |
2.DEP Family
High current Through-Hole Inductor
FEATURES:

- High temperature operation up to 180°C
- Low DCR for reduced losses and lower heat rise
- Powdered iron alloy core for high current performance
- Soft saturation for stable inductance under DC bias
- Flexible terminal options for multiple mounting methods
- Custom designs available
APPLCATIONS:
- High current and high temperature applications DC/DC converters
- High current motor and switching noise suppression Inverters
Series in this family
| Product Series | Inductance(µH)±20% | DCR(mΩ) | SRF(MHz) |
Heat rating current Irms(A) |
Saturation current Isat 1(A) |
Saturation current Isat 2(A) |
|
| DEP2520 | 1.2-10 | 0.3-2.0 | 8-90 | 30-80 | 30-110 | 45-150 | |
| DEP3231 | 6.2-30 | 0.55-2.45 | - | 30-68 | 47-100 | - | ✉ |
| DEPM4233 | 3.3-470 | 0.75-11.55 | 3.6-27.7 | 17.5-44 | 3-92 | 3.6-95 | ✉ |
3.LPA Family
High Current Power Inductors
FEATURES:
- Compact size using flat wire,and SMD type
- Low radiation noise by magnetically shielded construction
- High current
- Low resistance
- Operating Temperature & Storage Temperature: -40℃ - +125℃
APPLCATIONS:
- High efficiency DC/DC converters
- Single and polyphase buck converters
- Filter for audio applications
- Optimized for high current boost applications
Series in this family
| Product Series | Impedance@100KHz±20% | DCR Max(mΩ) | Temperature rise current Irms(A)Max | Saturation current 25℃ Isat(A)Max | Height(mm) | |
| LPA2110 | 1.0-4.7 | 1.4-2.8 | 26-40 | 30-70 | 10.6-11.5 | ✉ |
| LPA2112 | 6.8-50.0 | 3.8-32.6 | 7.4-22 | 10-26 | 12.5 | ✉ |
4.LPQ Family
High Current Power Inductors
FEATURES:
- Ideal for use in Class-D applications
- Flat wire windings provide extremely low DC and AC resistance
- Vertical mounting provides a small footprint
- Designed for high current power supply applications with saturation current ratings to over 100 Amps
- Operating Temperature & Storage Temperature: -40℃ - +125℃
APPLCATIONS:
- High efficiency DC/DC converters
- Single and polyphase buck converters
- Filter for audio applications
- Optimized for high current boost applications
Series in this family
| Product Series | Impedance100KHz±10% | DCR Max(mΩ) | Temperature rise 40℃ current(A)Max | Isat(A)typ. | Irms(A)typ. | |
| LPQ2716 | 3.3-33 | 2.86 | 28 | - | - | ✉ |
| LPQ2716B | 3.3-33 | 2.86 | 28 | - | - | ✉ |
| LPQ3218 | 3.3-6.8 | 1.45 | - | 50-80 | 45 | ✉ |
| LPQ3540 | 6.8-33 | 2.16 | - | 38-78.2 | 45.3 | ✉ |
5.SPQ Family
High Current Power Inductors
FEATURES:
- Ideal for use in Class-D applications
- Flat wire windings provide extremely low DC and AC resistance
- Vertical mounting provides a small footprint
- Designed for high current power supply applications with saturation current ratings to over 100 Amps
- Operating Temperature & Storage Temperature: -40℃ - +125℃
APPLCATIONS:
- High efficiency DC/DC converters
- Single and polyphase buck converters
- Filter for audio applications
- Optimized for high current boost applications
Series in this family
| Product Series | Impedance500KHz±10% | DCR Max(mΩ) | SRF Typ(MHz) | |
| SPQ2615A | 2.2-33 | 2.05 | 8-40 | ✉ |
| SPQ2615B | 1.5-33 | 1.65 | 7-60 | ✉ |
| SPQ2618A | 3.3-33 | 2.86 | 10-40 | ✉ |
| SPQ2618B | 1.0-10 | 0.48-0.97 | 15-53 | ✉ |
6.ERU Family
FEATURE:
- Tight coupling of 2 windings
- Laser welded joint
- Excellent mechanical and thermal
- robustness
- Flexible use
- 1:1 transformer
- Two single inductors in series or parallel
APPLICATIONS:
- As a transformer: SEPIC,flyback
- As an inductor:buck,boost,coupled inductor
- DC-DC converters
- VRM inductor for CPU and DDR power supplies
- Input and output filter chokes
- Widely used in buck converter, laptop, displayer,
- network communication equipment, and etc
Series in this family
| Product Series | L(µH) | DCR Max(mΩ) | IDC (A) | |
| ERU2314 Series | 1.4-7.9 | 0.82-1.85 | 24-33 | ✉ |
7.TR Family
FEATURES:
- Typical topology BoostCCM
- Offline working voltage
- Flat Wire windings, low DCR andallow better cooling
- Operating Temperature Range -40'C to +155°℃
- Standard: AEC-Q200 Grade 1
APPLICATIONS:
- Fixed chargers on streets andgarages(EV charger)
- Solar lnverters
- industrialor Medical AC-DC
- Telecom PSU
Series in this family
| Product Series | L(µH) | DCR (mΩ) | Insulation voltage(Vdc) Coil to Core |
|
| TR75 | 180-720 | 20-42 | 24-33 | ✉ |
FAQ
Q: How do you control quality?
A: We ensure every product meets specifications through incoming quality inspection (IQC) and 100% quality testing before shipment.
Q: How to apply for samples? What is the lead time?
A: You can submit a sample application through our website or email. Samples are free of charge and will be shipped within 3-5 working days. Mass order lead time is generally 2-8 weeks; custom products will be confirmed separately.
Q: Why is this product suitable for automotive electronics and industrial power supply applications?
A: This product offers stable inductance across a wide temperature range and a robust mechanical structure for long-term durability. Low DCR and high current capability meet the high-efficiency requirements of automotive and industrial power supplies. Customisable electrical parameters are supported to suit specific applications.
Shinhom is dedicated to setting a high bar of excellence for industries that integrate or utilize magnetics technologies in our Flat wire inductor products.
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