Products

21W4 D-Sub female high current connector straight type

SIGNALORIGIN 21W4 High Current D-Sub Female Connector (Straight Type) is engineered to deliver both power and signal in a single compact interface. Featuring 4 high-current contacts (10A–40A) and 17 signal contacts, this hybrid D-sub connector is ideal for industrial equipment, power distribution systems, aerospace, and automation. The terminal size varies according to current rating, offering customization for different power requirements.

Backed by UL certification and ISO 9001 quality standards, SIGNALORIGIN connectors provide durability, flexibility, and sealed performance. With fast delivery (3–7 days), free samples (3–5 sets), and friendly customer support, we ensure cost-effective solutions for your complex electronic interface needs. Custom sizes and current ratings are available to meet your specific application demands.

Product Description

SIGNALORIGIN 21W4 High Current D-Sub Female Connector (Straight Type) is engineered to deliver both power and signal in a single compact interface. Featuring 4 high-current contacts (10A–40A) and 17 signal contacts, this hybrid D-sub connector is ideal for industrial equipment, power distribution systems, aerospace, and automation. The terminal size varies according to current rating, offering customization for different power requirements.

Backed by UL certification and ISO 9001 quality standards, SIGNALORIGIN connectors provide durability, flexibility, and sealed performance. With fast delivery (3–7 days), free samples (3–5 sets), and friendly customer support, we ensure cost-effective solutions for your complex electronic interface needs. Custom sizes and current ratings are available to meet your specific application demands.

Material Insulator material PBT thermoplastic, UL94-V0 fireproof rated
Insulator color Black/Blue (can be customized)
Contacts material Brass
Contact plating Gold Plated, 1U”-30U”
Shell material Steel/SPCC-SD, nickel or tin plated
Electrical Working voltage 300V AC
High power contacts current rating 10A-40A(customized)
Signal contacts current rating 5A
Contact resistance 2.7 milliohms max
Insulation resistance 2000MΩ Min.at 500v DC
Mechanical Dielectric withstanding voltage 1000V AC rms  at 1 minute
Insertion force ¢1.0 :0.6~2 N /Pin

¢3.6:2~7 N /Pin

Extraction force ¢1.0:0.2 N /Pin MIN

¢3.6:0.5 N /Pin MIN

Durability 500 cycles
Operating temperature -55°C to +125°C

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