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Wirewound 335 SMD Power Inductor for DC-DC Converters LED Drivers
The SMD335 is a surface-mount wirewound power inductor built on a drum-type magnetic core with an enameled copper winding. Its low-profile round body and flat top face (marked 335) are designed for automatic pick-and-place assembly, while the open-winding structure keeps DC resistance low for energy-efficient power conversion. It is a cost-effective choice for DC-DC converters, LED drivers, industrial control boards and small photovoltaic control units, and it is available as a fully customized (OEM/ODM) component to match your circuit's inductance, current and footprint requirements.
Key Features
SMT-ready package — flat top face and stable base terminals suit automatic mounting and reflow soldering, reducing assembly cost in mass production.
Wirewound drum-core structure — enameled copper wire wound on a magnetic drum core delivers low DC resistance and good current handling in a compact footprint.
Low loss, high efficiency — optimized winding and core pairing help limit copper and core loss, supporting cooler operation in switching power stages.
Robust molded base — the reinforced base holds the winding securely and improves mechanical stability during transport, mounting and long-term vibration.
Full customization — inductance, rated current, wire gauge, core material, footprint and marking can all be adjusted to your drawing or sample.
Made-to-order supply — MTO production with stable monthly capacity; quotation and engineering feedback returned quickly after receiving your specification.
Technical Specifications
Model No.
SMD335
Product Type
SMD wirewound power inductor / power choke coil
Inductance
Marked "335" — fill in the exact value from your datasheet (customizable on request)
OEM & ODM accepted (drawing, sample or circuit requirement)
Electrical parameters are built to order. Send us your inductance, rated current, saturation current, DCR and footprint targets and our engineers will confirm the closest standard design or propose a custom one.
Typical Applications
High-power LED lighting drivers and constant-current LED power supplies
Industrial control boards, automation modules and IoT devices
Automotive electronics: DC-DC converters, motor driver boards
Small photovoltaic control boards and solar charge controllers
Energy storage modules, adapters and switching power supplies
Why Work With Us
Engineering support — magnetic design advice on core material, wire gauge and winding structure for your switching frequency.
100% electrical testing — inductance, DCR and hi-pot checks before packing.
Sample-first workflow — samples for design-in validation before mass production release.
Reliable delivery — made-to-order capacity planned monthly, with tape-and-reel packing available for SMT lines.
FAQ
Q1: What does the marking "335" on the top face mean?
It is the part identification code printed on the core face. Please refer to the specification sheet for the exact inductance value, or tell us the inductance you need and we will mark the part accordingly.
Q2: Can you produce a custom inductance or footprint?
Yes. Inductance, rated current, DCR, wire gauge, core material, dimensions and marking are all customizable. Send a drawing, a sample or your circuit requirement.
Q3: Do you provide samples?
Yes, samples are available for evaluation. Sample lead time and cost depend on whether the design is an existing model or a new custom item.
Q4: What is the minimum order quantity?
We support small trial orders for design-in projects and scale up to mass production. Tell us your annual usage and we will propose a tiered price.
Q5: How is the product packed and shipped?
Anti-static tape and reel or tray packing for SMT lines, then carton packing. Express, air and sea freight are all supported.
Q6: How long does it take to get a quotation?
Send the inductance, current, size and quantity you need; our sales engineer will reply with a technical proposal and price.
Need a custom SMD power inductor? Send us your inductance, rated current and footprint — we will reply with a technical proposal, sample plan and price.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2007
Total Annual:
28820000-29820000
Employee Number:
400~450
Ecer Certification：
Verified Supplier
Chipsen Electronics - Supplier to Fortune Global 500 Companies
Magnetic Components Engineered for Performance & Reliability
Founded in 2007, Dongguan Chipsen Electronics Technology Co., Ltd. is a professional manufacturer specializing in magnetic components and micro switches.
...
Chipsen Electronics - Supplier to Fortune Global 500 Companies
Magnetic Components Engineered for Performance & Reliability
Founded in 2007, Dongguan Chipsen Electronics Technology Co., Ltd. is a professional manufacturer specializing in magnetic components and micro switches.
...
