Find a huge selection of Combination High Current 21W4 D-Sub Connector from China at SIGNALORIGIN®.
21W4 d sub have 4pcs power contacts and and 17pcs signal contacts. The Power contacts are available with current rating ranging between 10A – 40A with only the size of the terminal being different.
Our D-Subminiature connector portfolio is designed for multiple applications along with specialized accessories that will provide any customer with an economical d-sub solution for any complex application.
| 
				 Material  | 
			
				 Insulator material  | 
			
				 PBT+30% G.F (UL94V-O)  | 
		
| 
				 Insulator color  | 
			
				 Black/Blue (can be customized)  | 
		|
| 
				 Contacts material  | 
			
				 Copper alloy  | 
		|
| 
				 Contact plating  | 
			
				 Goldplated ,1U”~30U"  | 
		|
| 
				 Shell material  | 
			
				 Steel/SPCC-SD, nickel or tin plated  | 
		|
| 
				 Electrical  | 
			
				 Dielectric rating  | 
			
				 300V AC  | 
		
| 
				 High power contacts current rating  | 
			
				 10A-40A(customized)  | 
		|
| 
				 Contact resistance  | 
			
				 2.7mΩ Max  | 
		|
| 
				 Insulation resistance  | 
			
				 2000MΩ Min at 500V DC  | 
		|
| 
				 Mechanical  | 
			
				 Dielectric withstanding voltage  | 
			
				 1000V AC rms at 1 minute  | 
		
| 
				 Insertion force  | 
			
				 ¢1.0 :3.4 N /Pin(MAX) ¢3.6:12 N /Pin(MAX)  | 
		|
| 
				 Extraction force  | 
			
				 ¢1.0:0.3N /Pin MIN ¢3.6:2 N /Pin MIN  | 
		|
| 
				 Durability  | 
			
				 500 cycles  | 
		|
| 
				 Operating temperature  | 
			
				 -55°C~125°C  | 
		
We make mainly D-Sub related connectors and parts and we stay focused on what we do.
All the D-Sub connectors are multifunction and miniaturization.






	
 
	
 
	
 
1) .What about the lead time for production?
5-7 working days for samples, 20-35 working days for bulk order.
	
2) .How will you deliver goods to me?
DHL, UPS....
	
3) .If I want to customize products, how will it work?
Please provide drawings or pictures, We will have professional engineers to connect with you. OEM service is welcome.
	
4) .Can l order samples first to test the quality?
Yes,we can make samples before mass production.
	
5) .What are some of the uses of d-sub connectors over time?
Industries using computers and computing systems, as well as gaming systems, were once ripe with d-sub connectors.