Swiss manufacturer of D-Sub connectors, hoods, precision contacts and custom connectors for small to medium series.
Deltron AG
Kirchberg BE, SwitzerlandNew on Amplifa
About Deltron AG
Deltron AG, founded in 1978 by Hanspeter Widmer, is an independent Swiss family-owned company headquartered in Kirchberg BE, specializing in the development and manufacture of D-Sub connectors to MIL-C-24308 and IEC 60807 (DIN 41652). The product range includes standard and high-density versions, dual-port, combi, filter and IP67/IP68 connectors as well as hoods, adapters, accessories, precision-turned contacts, circular connectors, terminal blocks, cable assemblies, tools and thermoelectric solutions. Production spans mechanical design and toolmaking, plastic injection molding (monoblock insulating bodies to UL94 V-0) and lathe machining of contacts, through to assembly and laboratory testing. Materials include brass, sheet steel with various coatings, stainless steel and plastics; contact finishes are gold over nickel in quality classes QC1 and QC2. Customers come from industries such as railway technology, aviation, defense, telecommunications, medical technology, energy technology and mechanical engineering. With an export share of 70 %, the company serves customers worldwide with 44 employees and representatives in Europe, North America and Asia.
- Site
- Kirchberg BE, Switzerland
- Processes
- Plastic injection molding (plastic injection molding shop, plastic injection molded parts,, Lathe machining of circular contacts (circular contacts from lathes, precision-turned contacts), Stamping of contacts (stamped contacts, stamped contacts on reels), Machine shop (machining), Toolmaking (incl. plastic injection mold making), Connector assembly (custom connector assembly types, insertion and, Cable assembly, Hot-melt encapsulation technology (waterproof or gas-tight encapsulated products, with partner
- Materials
- Brass, Sheet steel (DTS/DTN/DTSS), Aluminum, Plastic (monoblock insulating body), Gold plating (gold over nickel), Plastic injection molding, Precision turning, Stamping
- Certificates
- ISO 9001:2015, UL certification (UL 1977 / CAN/CSA C22.2 No. 182.3-M1987), RoHS, REACH, Conflict Minerals Reporting, PFAS Certificate, TSCA Certificate, California Proposition 65, PPWR Declaration of Conformity, UL (UL 1977 / CAN/CSA C22.2 No. 182.3-M1987), E349864, RoHS / REACH, PFAS / TSCA / California Prop 65
- Founded
- 1978
- Employees
- 44
- Industries
- Aircraft construction, Railway technology, Measuring instrument manufacturers, Defense equipment, Nuclear technology, Telecom
- 01
Mechanical design R&D
- 02
Toolmaking incl. plastic injection molds
- 03
Prototype construction
- 04
Plastic injection molding
- 05
Lathe machining / stamping of contacts
- 06
Assembly
- 07
Cable assembly
- 08
Laboratory testing
- 09
Labeling and packaging
Materials and Processes
Brass
Material for turned circular and signal contacts as well as power contacts, usually gold-plated over nickel.
Sheet steel (DTS/DTN/DTSS)
Hoods and shells of the D-Sub connectors, tin-plated, nickel-plated or stainless.
Aluminum
Material for D-Sub hoods and adapter housings.
Plastic (monoblock insulating body)
Insulating bodies of the connectors, flame-retardant to UL94 V-0.
Gold plating (gold over nickel)
Contact coating in quality classes QC1 (500 mating cycles) and QC2 (200 mating cycles).
Plastic injection molding
In-house injection molding of insulating bodies and plastic parts including mold making.
Precision turning
Manufacture of circular and signal contacts on lathes.
Stamping
Stamped contacts on reels for AWG 16 to 28 as an economical version for larger volumes.
Locations
Kirchberg BE
CHHeadquarters, development and production
- Lot size
- Prototypes, small and medium series
- Materials
- Brass, sheet steel, aluminum, plastic UL94 V-0
- Lathes
- Plastic injection molding machines
- Pick-and-place and insertion machines
- Machine shop
- Laboratory for electronic, electrical and electromechanical testing
Components and Products
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Plastic injection molding (plastic injection molding shop, plastic injection molded parts,Plastics | – | – | – | – | Plastic (monoblock insulating body UL94 V-0) |
| Lathe machining of circular contacts (circular contacts from lathes, precision-turned contacts)Machining | – | – | – | – | Brass, Metal (turned/milled metal parts, lead-containing alloy, Metal with gold plating (gold over nickel) |
| Stamping of contacts (stamped contacts, stamped contacts on reels)Forming | – | – | – | – | Metal (contacts, AWG 16 to AWG 28), Metal with gold plating (gold over nickel) |
| Machine shop (machining)Machining | – | – | – | – | Metal |
| Toolmaking (incl. plastic injection mold making)Toolmaking | – | – | – | – | – |
| Connector assembly (custom connector assembly types, insertion andAssembly | – | – | – | – | – |
| Cable assemblyAssembly | – | – | – | – | – |
| Hot-melt encapsulation technology (waterproof or gas-tight encapsulated products, with partnerJoining | – | – | – | – | – |
| Prototype constructionPrototyping | – | – | – | – | – |
| 3D printing (with partner company)Additive manufacturing | – | – | – | – | – |
| Labeling and inkjet printingMarking | – | – | – | – | – |
| Laboratory testing of electronic, electrical & electromechanical components for function, qualityTesting | – | – | – | – | – |
| Mechanical design R&DEngineering | – | – | – | – | – |
| Manufacture of D-Sub connectors (standard, high density, dual port, combi, filter, IP67/IP68,Assembly | – | – | – | – | Plastic (monoblock insulating body UL94 V-0), Sheet steel tin-plated (DTS), Sheet steel zinc-plated blue chromated (DT), Sheet steel nickel-plated (DTN), Stainless steel (DTSS), Brass contacts turned, Contacts gold over nickel (QC1: 500 / QC2: 200 mating |
| Manufacture of D-Sub hoods, covers, adapter housings, accessoriesAssembly | – | – | – | – | Plastic (metallized or black covers), Sheet steel, Aluminum |
| Manufacture of signal and power contacts (high-current, high-voltage, coaxial, pneumatic,Assembly | – | – | – | – | Brass, Metal gold over nickel |
| Item kitting and custom setsAssembly | – | – | – | – | – |
| Re-coding and rebuild of existing/discontinued special connectors (second source)Engineering | – | – | – | – | – |
Additional services
Quality and Certification
The processes are certified to ISO 9001:2015, and selected products are UL-approved. In its own laboratory, electronic, electrical and electromechanical components are tested for function, quality and technical specifications.
| Evidence | Kirchberg BE |
|---|---|
| ISO 9001:2015 | |
| UL (UL 1977 / CAN/CSA C22.2 No. 182.3-M1987), E349864 | |
| RoHS / REACH | |
| Conflict Minerals Reporting | |
| PFAS / TSCA / California Prop 65 |
Company History
- 1978
Founded by Hanspeter Widmer as a sole proprietorship with two employees in an apartment in Kirchberg
- 1980
Start of D-Sub connector production, beginning of export activities
- 1985
Move into the new building in the Industrie Neuhof industrial zone in Kirchberg
- 1987
Conversion into a stock corporation
- 1988
Entry into fiber-optic technology
- 1989
Building extension
- 1994
Filter connectors added to the production range
- 1996
Profibus added to the production range
- 1997
ISO certification
- 2000
Building extension by two floors, growth to over 75 people
- 2004
Founding of Deltron srl Italia, UL certification
- 2006
Handover of management to Patric and Tanja Widmer
- 2026
44 employees, export share 70 %