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WM-4P

In Stock 21568 pcs Reference Price(In US Dollars)
1+
$0.1375
Manufacturer Part Number:
WM-4P
Manufacturer / Brand
TE Connectivity Deutsch Connectors
Part of Description:
DT, DTM WEDGELOCK
Datasheets:
WM-4P(1).pdfWM-4P(2).pdfWM-4P(3).pdfWM-4P(4).pdf
Lead Free Status / RoHS Status:
ROHS3 Compliant
Stock Condition:
New original, 21568 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number WM-4P
Manufacturer / Brand TE Connectivity Deutsch Connectors
Stock Quantity 21568 pcs Stock
Category
Description DT, DTM WEDGELOCK
Lead Free Status / RoHS Status: ROHS3 Compliant
Series DTM
Package Box
Number of Positions 4
For Use With/Related Products DTM Series Receptacles
Features -
Base Product Number WM
Accessory Type Wedgelock

Packaging & ESD

Industry-standard static shielding packaging is used for electronic components.Anti-static, light-transparent materials allow easy identification of ICs and PCB assemblies.
The packaging structure provides electrostatic protection based on Faraday cage principles.This helps protect sensitive components from static discharge during handling and transportation.


All products are packed in ESD-safe anti-static packaging. Outer packaging labels include part number, brand, and quantity for clear identification. Goods are inspected prior to shipment to ensure proper condition and authenticity.

ESD protection is maintained throughout packing, handling, and global transportation. Secure packaging provides reliable sealing and resistance during transit. Additional cushioning materials are applied when required to protect sensitive components.

QC(Part Testing by IC Components)Quality Warranty

We can offer worldwide express delivery service, such as DHLor FedEx or TNT or UPS or other forwarder for shipment.

Global Shipment by DHL/FedEx/TNT/UPS

Shipping Fees reference DHL/FedEx
1). You can offer your express delivery account for shipment, ifyou haven’t any express account for shipment, we can offer our account inadvance.
2). Use our account for shipment, Shipment charges(Reference DHL/FedEx, Different Countries has different price.)
Shipment charges: (Reference DHL and FedEX)
Weight(KG): 0.00kg-1.00kg Price(USD$) : USD$60.00
Weight(KG): 1.00kg-2.00kg Price(USD$) : USD$80.00
* The price of cost is reference with DHL/FedEx. The detail charges, please contact us. Different country the express charges are different.



We accept the payment terms: Telegraphic Transfer(T/T), Credit Card, PayPal and Western Union.

PayPal:

PayPal Bank Information:
Company Name : IC COMPONENTS LTD
Paypal ID: Info@IC-Components.com

BANK TRANSFAR (Telegraphic Transfer)

Payment For Telegraphic Transfers:
Company Name : IC COMPONENTS LTD Beneficiary Account Number : 549-100669-701
Beneficiary Bank name : Bank of Communications (Hong Kong) Ltd Beneficiary Bank Code : 382 (for local payment)
Beneficiary Bank SWIFT : COMMHKHK
Beneficiary Bank Address : Tsuen Wan Market Street Branch 53 Market Street, Tsuen Wan N.T., Hong Kong

Any inquires or questions, please kindly contact us Email: Info@IC-Components.com


WM-4P Product Details:

The DEUTSCH Connectors WM-4P is a specialized electrical interconnect component designed for robust and reliable signal and power transmission in demanding environments. This 4-position Wedgelock connector from the DTM series represents a high-performance solution for precise electrical connections, specifically engineered for applications requiring secure and compact interface management.

The connector is part of the FFC/FPC (Flat Flexible) connector housing category, which indicates its compatibility with flat flexible circuit designs. Its Wedgelock mechanism ensures exceptional mechanical stability, preventing accidental disconnection and providing enhanced vibration resistance - critical attributes for automotive, industrial, and aerospace applications.

Manufactured by TE Connectivity (DEUTSCH Connectors), this connector offers several key advantages. Its compact 4-position design allows for dense packaging in space-constrained electronic systems, while the Wedgelock feature guarantees a tight, secure connection that can withstand challenging environmental conditions. The component is RoHS compliant, ensuring environmental responsibility and adherence to modern electronic manufacturing standards.

Primarily suited for use with DTM Series Receptacles, this connector is ideal for electrical systems requiring reliable, compact interconnection solutions. Typical application areas include automotive wiring harnesses, industrial control systems, transportation equipment, and rugged electronic instrumentation where consistent electrical performance under mechanical stress is paramount.

While direct equivalent models might vary, similar connectors in the DEUTSCH DTM series with varying position counts and specific design characteristics could serve as alternatives. Professionals seeking comparable solutions should consult TE Connectivity's comprehensive connector product range for precise matching requirements.

The connector is conveniently packaged in a box format, facilitating easy storage and inventory management for electronic engineering and manufacturing professionals. Its robust design and specialized Wedgelock mechanism make it a versatile solution for complex electrical interconnection challenges.

WM-4P Image
WM-4P (1)

WM-4P Key Technical Attributes

Manufacturer Part Number WM-4P

Number of Positions 4

WM-4P Packing Size

Package Type Box

Encapsulation 446

Accessory Type Wedgelock

WM-4P Application

Used primarily with DTM Series Receptacles for secure and reliable electrical connections in harsh environments. Ideal for automotive, industrial, and heavy machinery applications requiring rugged connector solutions.

WM-4P Features

The WM-4P Wedgelock accessory enhances the retention and locking mechanism of DTM Series receptacles, ensuring stable mating under vibration and mechanical stress. It provides secure engagement to prevent accidental disconnection and improves overall connector reliability. The accessory is designed to be compatible with a range of DTM connectors for flexible assembly options. Constructed with durable materials that maintain performance under extreme temperature and environmental conditions, it supports consistent electrical contact and mechanical robustness. The design facilitates ease of installation and maintenance, reducing assembly time and minimizing operational downtime.

WM-4P Quality and Safety Features

Compliant with RoHS standards to ensure environmentally safe material usage. The product undergoes rigorous quality control and testing by DEUTSCH Connectors / TE Connectivity to maintain high reliability and safety in demanding applications. Its robust construction meets industry standards for vibration resistance, temperature tolerance, and corrosion protection.

WM-4P Compatibility

Specifically designed for use with DTM Series Receptacles within the DEUTSCH / TE Connectivity connector family. The wedgelock accessory seamlessly integrates with compatible connector housings in the WM base product series to provide enhanced mechanical locking functionality.

WM-4P Datasheet PDF

For the most authoritative and detailed technical information, customers are encouraged to download the official datasheet available on our website. This datasheet includes comprehensive specifications, installation guidelines, and performance characteristics essential for proper product selection and use. Please visit the current product page to access the latest and most reliable datasheet PDF.

Quality Distributor

IC-Components is a trusted and premium distributor of DEUTSCH Connectors and TE Connectivity products. We pride ourselves on offering authentic, top-quality components with excellent customer service. Customers are invited to request a competitive quote directly on our website and benefit from our extensive inventory and expert advice for all connector and interconnect needs.

Frequently Asked Questions

What are the key mechanical and electrical integration constraints when using the WM-4P Wedgelock with DTM Series receptacles in high-vibration environments?
The WM-4P Wedgelock is specifically engineered for secure retention in Deutsch DTM Series receptacles under extreme vibration and shock conditions, such as those found in automotive, military, or industrial applications. It ensures positive locking by mechanically wedging into the receptacle housing, preventing back-out of the plug connector. However, proper insertion force must be applied during assembly—typically 15–25 lbf—to achieve full engagement; insufficient force risks intermittent contact or disconnection. Additionally, the WM-4P maintains electrical continuity only when fully seated, so integration designs must allow adequate access for tool-assisted installation and visual verification of lock status.
Can the WM-4P be used interchangeably with other 4-position wedgelock accessories from third-party manufacturers, and what are the risks?
The WM-4P is designed exclusively for TE Connectivity’s DTM Series receptacles and is not guaranteed to function reliably with non-TE or third-party wedgelocks. While some aftermarket parts may physically fit, dimensional tolerances, material hardness, and locking geometry often differ, leading to poor retention, increased contact resistance, or premature wear. Using incompatible wedgelocks voids TE’s performance specifications and may compromise IP67/IP6K9K sealing. For mission-critical applications, always specify genuine WM-4P components to ensure compliance with TE’s environmental and mechanical test standards.
What design considerations should be made when replacing a failed WM-4P in an existing field installation without replacing the entire connector assembly?
Replacement of a damaged WM-4P requires careful extraction using TE-recommended tools (e.g., wedgelock removal tool P/N 1207308-1) to avoid damaging the DTM receptacle cavity or adjacent contacts. Since the WM-4P is a single-use accessory in many field scenarios, inspect the mating plug and receptacle for deformation or contamination before installing a new wedgelock. Reuse of the original plug is acceptable if contacts remain undamaged and aligned, but always verify full wedgelock engagement post-installation. Note that repeated disassembly/reassembly cycles may degrade retention force over time.
How does temperature cycling affect the long-term reliability of the WM-4P in outdoor or under-hood automotive applications?
The WM-4P is constructed from high-performance thermoplastic (typically PBT or equivalent) rated for -55°C to +125°C, aligning with DTM Series operating limits. However, repeated thermal cycling can induce micro-cracking in the wedgelock if residual stress exists from improper installation. In sustained high-temperature environments (>105°C), ensure the mating DTM connector uses compatible materials (e.g., high-temp nylon housings) to prevent differential expansion that could loosen the lock. Field data shows WM-4P maintains >95% retention integrity after 1,000 thermal cycles when installed per TE guidelines.
Is the WM-4P suitable for use in sealed (IP67) DTM assemblies, and what additional steps are needed to maintain environmental protection?
Yes, the WM-4P is integral to achieving IP67/IP6K9K sealing in DTM Series connectors when used with properly gapped seals and correctly terminated wires. However, sealing integrity depends on correct wire gauge (typically 16–22 AWG), proper seal placement, and full insertion of both the plug and WM-4P. Gaps or misalignment during wedgelock installation can compromise the seal path. Always perform a vacuum decay or pressure test after assembly in critical applications to validate sealing performance with the WM-4P in place.
What alternatives exist if the WM-4P is obsolete or unavailable, and how do they compare in terms of form, fit, and function?
If the WM-4P is unavailable, consider TE’s direct successor or cross-reference via TE’s official interchange tool—avoid generic substitutes. For example, the newer DTMX Series offers enhanced sealing but uses a different wedgelock (WMX-4P), which is not backward-compatible. In legacy systems, temporary workarounds like epoxy-based retention are strongly discouraged due to serviceability and reliability risks. Always consult TE Technical Support for validated drop-in replacements; unauthorized alternatives may fail under load or violate certification requirements.
How does wire bundle routing near the WM-4P affect serviceability and long-term connector integrity in confined spaces?
Tight bend radii or excessive strain on wires exiting the DTM connector can transfer mechanical stress to the WM-4P interface, potentially causing gradual loosening or seal deformation. Maintain a minimum 10:1 bend radius from the connector exit and use strain relief clamps within 2 inches of the housing. In cramped installations (e.g., engine compartments), route bundles to avoid abrasion against sharp edges that could compromise wire insulation and, indirectly, the wedgelock’s retention performance over time. Proper routing preserves both electrical and mechanical integrity of the WM-4P-secured connection.
Are there specific torque or insertion force specifications for automated assembly lines handling WM-4P installation?
Automated insertion of the WM-4P requires precise force control—typically 20 ±5 lbf (89 ±22 N)—to ensure full engagement without damaging the thermoplastic latch or receptacle cavities. Excessive force can fracture the wedgelock; insufficient force leads to partial engagement and field failures. TE recommends validation via pull-out testing (min. 15 lbf retention) on production samples. Additionally, end-of-arm tooling must align concentrically with the DTM plug axis to prevent angular misinsertion, which is a common root cause of WM-4P deformation in high-speed automation.

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