Yes, we offer samples for testing for qualified clients. Please contact us with your requirements.

How do I place an order or request a quotation?

Simply send us your list of models or technical drawings. Our engineering team will respond with a quotation within 24 hours. We look forward to becoming your reliable and long-term partner in power semiconductor solutions.

Semiduken SD400n SD400r Stud Mount Rectifier Diode 400A 400V to 2400V

Name: Semiduken SD400n SD400r Stud Mount Rectifier Diode 400A 400V to 2400V
Brand: Zhejiang Duken Electric Co., Ltd.
SKU: 2280623175

Zhejiang, ChinaZhejiang Duken Electric Co., Ltd.

US$72.00

10-99 Pieces

US$71.00

100+ Pieces

Product profile

Customization

Available

Application

Diode

Batch Number

2026

Model NO.

SD400N(R)

Certification

CE, RoHS, ISO

Manufacturing Technology

Standard

Material

Power Semiconductor

Model

SD400n(R)

Package

Standard

Signal Processing

Type

N-Type Semiconductor

Alternative

Transport Package

Standard

Specification

Standard

Trademark

SEMIDUKEN

Origin

Zhejiang

HS Code

8541100000

Production Capacity

100000

Key features

High Current Capacity: Supports up to 400A current with a voltage range of 400V to 2400V.

Robust Thermal Performance: Features low forward voltage drop and excellent surge current capability.

Industrial Grade Reliability: Designed for stable operation in power conversion and motor drives.

Certified Quality: Products certified with ISO, CE, RoHS, and TUV standards.

OEM/ODM Support: Offers custom labels, logo laser marking, and packaging services.

Fast Delivery Options: Standard models in stock; custom orders delivered in 7-15 days.

Comprehensive Warranty: Provides 180 days warranty with 100% inspection before delivery.

Manufacturer Direct: Direct factory sales with over 15 years of manufacturing experience.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceExhibition Experience

Zhejiang Duken Electric Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 12 Years CertifiedNearest Port: Ningbo PortAverage Response Time: ≤4.93h

AI-Powered supplier vetting

SummaryThe supplier demonstrates customization, OEM/ODM service, in-stock capacity, quality assurance, and some production and testing equipment. It holds ISO9001:2015, CE, and RoHS-related certifications and has attended PCIM Europe. However, it lacks a valid manufacturing-capacity contract with its associated subcontractor, overseas warehouses, overseas agents or branches, and overseas showrooms. R&D documentation is unavailable for audit, no new products were reported in the past year, and the supplier has no patents or SDK. Service corrective-action and complaint-handling procedures exist but lack written records. Reported financial indicators are all zero, limiting assessment of financial credibility.

CertificationsThe supplier reports an ISO9001:2015 certificate and CE and RoHS product-certification capability. These are explicit certification-related credentials supporting quality-system and product-compliance capability.

Financial creditThe provided financial records report zero operating revenue, gross profit or gross margin, and current-ratio values for the stated periods. These figures do not demonstrate financial strength and materially limit confidence in the supplier’s financial credibility.

R&D capabilityThe supplier offers design customization and ODM services and uses CAD and SolidWorks. Nevertheless, it reported no new products in the past year, no patents, no available SDK, and no auditable R&D design-input, output, review, verification, or validation documentation.

Customization capabilityThe supplier explicitly supports customization from samples, designs, full customization, and minor customization, and also provides OEM and ODM services. This is direct evidence of broad customization capability.

Product Q&A

Q:Are you a manufacturer or trader?

We are a manufacturer with over 15 years of experience, specializing in high-power semiconductor components such as thyristors, diodes, bridge rectifiers, and IGBT modules. Our factory is located in Yueqing, Zhejiang, China's leading power electronics industrial base.

Q:What is your MOQ?

For most models, our MOQ starts from 10 pieces, which allows flexibility for new distributors and OEM customers.

Q:What are your payment terms?

For new customers: 100% T/T in advance. For long-term partners: Flexible payment options can be negotiated. We support secure and transparent transactions for mutual trust.

Q:Do you support OEM or customized labeling?

Yes. We provide OEM services, including: Custom labels, Logo laser marking, Packaging according to your brand, Helping our partners build localized branding.

Q:What is your quality assurance process?

100% full inspection before delivery. Products certified with ISO, CE, ROHS, TUV. In-house production with chip bonding, welding, and testing equipment. Reliability and aging tests were supported in-house ensuring consistent quality for industrial applications.