What payment terms are accepted?

We accept T/T, LC, and other negotiated payment terms.

What applications are these diodes suitable for?

They are suitable for medium frequency spot welding, seam welding, mesh welding, and automobile welding clamps.

Are the diodes sold as individual components or assemblies?

The heatsink or welding diode assembly is fully supplied.

Replacement 5sdd71b0400 High Denisty Reliability Welding Machine Diode

Name: Replacement 5sdd71b0400 High Denisty Reliability Welding Machine Diode
Brand: Sailing Commercial (Tianjin) Co., Ltd.
SKU: 907203035

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

US$88.00

1 Piece

Product profile

Customization

Available

Model

Zp 7100A/600V

Usage

Resistance Welding Machine

Model NO.

Zp 7100A/600V Diode

Assembly

Offered

Quality

High Reliability

Delivery

3 Days

Payment

Price Term

Fob,CFR

Item

Welding Diode

Price

Negotiated

Packing

Standard

Delivery Way

by Sea,Air,Express

Code

Zp 7100A/400V

Condition

Original

Number

Latest

Chip

Silicon

Transport Package

Carton Box

Specification

400*300*200

Trademark

SAILTON

Origin

China

HS Code

8541300000

Production Capacity

150000 PCS/Year

Key features

High Current Capacity: Available in 4000A to 18000A for robust welding performance.

Low Thermal Resistance: Very low on-state voltage and thermal resistance for efficiency.

Wide Voltage Range: Supports 200V to 600V for versatile application scenarios.

Fast Delivery: Standard delivery time is just 3 days for urgent orders.

OEM & Customization: Customization from samples and OEM services are available.

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

Versatile Applications: Suitable for auto welding clamps, seam, and mesh welders.

Complete Assembly: Heatsink or welding diode assembly fully supplied.

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.