myMectronic
myMectronic

A Premier B2B Part Search

JST WPJR03V1S Waterproof Connector

The WPJ Series waterproof connector receptacle offers a compact, reliable, and water-resistant connection solution suitable for 22-18 AWG wires. Designed with a control key system, it ensures secure and stable electrical contacts in demanding outdoor or industrial environments. Made from glass-filled PBT with tin-plated copper alloy contacts, the connector provides excellent resistance to environmental factors and complies with RoHS standards. It is available in both waterproof and non-waterproof variants, making it versatile for various outdoor water-resistant applications. The IPX7 rated waterproof version features an inner sealing mechanism for superior water ingress protection, ideal for harsh conditions.

Authorized Distributors
Source:DigiKey
Part No:WPJR-03V-1-S
Stock:0
Inv Date:05-29-2026
Price: Unit price: $0.1806
Buy/RFQ:
Part No:WPJR-03V-1-S
Stock:795
Inv Date:05-30-2026
Price: Unit price: $0.4
Buy/RFQ:
Part No:WPJR-03V-1-S
Stock:0
Inv Date:05-29-2026
Price: Unit price: $0.26326
Buy/RFQ:

JST WPJR03V1S Waterproof Connector Specifications:

  • Current rating: 7 A AC, DC (AWG #18)
  • Voltage rating: 300 V AC, DC
  • Temperature range: -25°C to +85°C
  • Contact resistance: Initial / 10 mΩ max., after environmental tests / 20 mΩ max.
  • Insulation resistance: 1,000 MΩ min.
  • Withstanding voltage: 1,500 VAC/minute
  • Applicable wire: AWG #22 to #18
  • Insulation O.D.: 2.32 to 2.83 mm
  • Waterproof grade: Grade 7 ingress protection (IPX7 of IEC 60529)
  • Material: Copper alloy, tin-plated (reflow treatment)
  • Receptacle housing: Glass-filled PBT, UL94V-0, natural color
  • Seal ring & rubber plate: Silicon, green
  • Dimensions: Length varies depending on model, approx. 10.2 mm width, 14.2 mm height

Buy the JST WPJ – Reliable Waterproof Connector for Industrial Applications

Order the JST WPJ waterproof connector today and experience exceptional reliability for outdoor and industrial electrical connections. Designed with a compact form factor and IPX7 water ingress protection, this connector offers a durable solution for demanding environments. Its high-quality materials, including glass-filled PBT housing and tin-plated copper contacts, ensure long-lasting performance. Suitable for 22-18 AWG wires, it features a secure control key system for reliable, stable connections. Ideal for applications requiring water resistance and environmental durability, available for quick online purchase.

Buy JST WPJ waterproof connector now and ensure durable, water-resistant electrical connections in outdoor or harsh industrial environments.

Frequently Asked Questions

Where can I buy JST WPJR03V1S?

You can click on the BUY or RFQ button to purchase WPJR03V1S from an authorized JST distributor.

How do I troubleshoot issues or seek technical support for part WPJR03V1S?

You can download the WPJR03V1S datasheet or visit the JST website for support.

Who is the manufacturer of WPJR03V1S?

JST

JST Part List

Browse and search other JST parts, locate datasheets and stock

Sponsored by