What is the Minimum Order Quantity (MOQ)?

The Minimum Order Quantity is 5 units.

What payment terms are accepted?

We accept payment via T/T (Telegraphic Transfer) and L/C (Letter of Credit).

What are the main applications for these diodes?

They are used for medium frequency spot welding, seam welding, resistance welding machines, and as rectification output devices for inverter type resistance welding machines.

Welding Assembly Part High Reliability 5sdd Replacement Diode

Name: Welding Assembly Part High Reliability 5sdd Replacement Diode
Brand: Sailing Commercial (Tianjin) Co., Ltd.
SKU: 921712715

Tianjin, ChinaSailing Commercial (Tianjin) Co., Ltd.

US$88.00

1 Piece

Product profile

Customization

Available

Application

Diode

Batch Number

2025+

Model NO.

Manufacturing Technology

Discrete Device

Material

Element Semiconductor

Model

Package

SMD

Signal Processing

Analog Digital Composite and Function

Type

N-Type Semiconductor

Delivery

3 Days

Payment

Housingless

Offered

Housing

Offered

Chip Material

Silicon

Condition

100% Original

Technology

Welding,Crimping

Transport Package

Carton Box

Specification

400*300*200

Trademark

SAILTON/STI

Origin

Tianjin

HS Code

8541300000

Production Capacity

150000 PCS/Year

Key features

High Current Capacity: Supports currents from 4000A to 18000A for robust welding performance.

Low On-State Voltage: Features very low on-state voltage and thermal resistance for efficiency.

Wide Voltage Range: Operates within 200V to 600V voltage range for versatile applications.

High Reliability: Designed for medium frequency welding with stable quality and long life.

Multiple Housing Options: Available in both housing and housingless types to fit specific needs.

Fast Delivery: Standard delivery time is 3 days for urgent project requirements.

Customization Service: OEM service available with customization from samples and assemblies.

Core Component: Essential rectifier diode for MFDC spot welders and seam welders.

Company profile

High Repeat Buyers ChoiceIn-stock CapacityFast DeliveryR&D Capabilities

Sailing Commercial (Tianjin) Co., Ltd.

Tianjin, China

Business Type: Trading Company CertifiedR&D Capacity: OEM Service Available CertifiedCustomization Options: Customization from Samples CertifiedExport Year: 6 years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤1.97h

AI-Powered supplier vetting

SummarySailing Commercial (Tianjin) Co., Ltd. is a China-based trading company established in 2017 with six employees. It offers semiconductor-related and power-control products and reports annual semiconductor-device productivity of 250,000 pieces, although its trading-company status means manufacturing capability is not clearly established. The supplier provides customization from samples and OEM services for well-known brands, but does not provide 3D software design, ODM, SDK, or broader professional R&D services, and reported no new products in the past year. Overseas sales represent 90% of total sales, with six years of export experience and self-operated import/export rights. Service procedures exist, but required records, approvals, and complaint documentation are absent. No overseas warehouses, showrooms, agents, branches, or offline trade-show participation are reported. Financial information is present for multiple years, but no financial figures or independent credibility evidence are provided.

Supplier typeThe supplier is identified as a limited trading company headquartered in Tianjin, China, with six employees and no larger-company affiliation. Its product scope includes thyristors, welding diodes, semiconductor devices, water-cooling power cables, and high-voltage control cabinets.

After-Sales capabilityThe supplier has written procedures for service assessment, corrective and preventive actions, and customer complaints, but no written records are maintained. It has no overseas warehouse, showroom, agent, branch, or offline trade-show presence; overseas service coverage is listed as zero countries, with debugging shown as the only service detail.

R&D capabilityThe supplier is explicitly not classified as a professional technical supplier, does not offer 3D software design, ODM, or SDK services, and reported no new products in the past year. Its stated R&D-related service is limited to customization from samples.

Customization capabilityThe supplier explicitly provides customization from samples and has OEM capability for well-known brands. It does not provide ODM services, 3D software design, or SDK support, indicating sample-based customization rather than broad product-development capability.

Product Q&A

Q:What is the current range of the welding diodes?

The current range varies from 4000A to 18000A, including models like 7100A, 9200A, 10500A, 12000A, 13500A, 16000A, and 18000A.

Q:What are the available voltage ratings?

The welding diodes support a voltage range of 200V to 600V, with common options being 200V or 400V.

Q:Is OEM or customization service available?

Yes, OEM service is available. We offer customization from samples and can produce welding power rectifier assemblies according to client requirements.

Q:What is the typical delivery time?

The standard delivery time is 3 days. For peak seasons, lead time is within 15 workdays, and off-season lead time is also within 15 workdays.

Q:What types of housing are offered?

We offer both housing type and housingless type welding diodes to suit different assembly needs.