Yazaki 7222-4220-40 58 Connector Y Type: Sealed Harness Documentation Checklist
Summary: Yazaki 7222-4220-40 is documented as a two-position male sealed wire-harness housing in the 58 Connector Y Type family. This guide turns the public manufacturer record, product drawing and product standard into a controlled review path for design handoff, purchasing and incoming inspection. It does not approve a mating half, terminal, seal, dummy plug, wire or finished circuit for a specific project.
What identity does the official record establish?
The Yazaki 7222-4220-40 product page is the site record for the exact part number. Yazaki's public product record classifies it as a housing in the 58 Connector Y Type family, with a wire-harness connection type, male interface, two positions, sealed construction and a 9.5 mm tab-size field. Those facts help establish identity; they do not make every visually similar component compatible.
The manufacturer record also lists gray PBT construction and an outer size of 59.8 mm by 33 mm by 28.45 mm. Use these values for document comparison and receiving checks, not as a substitute for controlled interface dimensions. The drawing revision, datums, tolerances and project packaging constraints remain the governing inputs.
Which sources should be in the review packet?
Open the Yazaki 7222-4220-40 product record, the official product drawing and the CE19-EN-0007 product standard. Record the retrieval date and revision visible in each controlled file. If the current project document set disagrees with a catalogue summary, stop and resolve the revision before releasing an order or assembly instruction.
The web record names 7123-4220-40 as a mating part number and separately lists terminal, wire-seal, dummy-plug and installation-part references. Treat each as a lead to verify in its own current manufacturer document. Do not collapse that list into a blanket statement that every suffix, wire range or cavity treatment is approved.
How should a sealed harness handoff be checked?
Start with the complete connector architecture: housing, intended mating half, terminals, wire seals, unused-cavity plugs, conductor specification and any retention parts. Confirm that every component is identified by a complete manufacturer number and drawing revision. The word “sealed” describes the housing record; environmental performance belongs to the correctly assembled system under defined test conditions.
For an engineering handoff, document cavity assignment, wire gauge and insulation diameter, seal selection, terminal application data, strip and crimp controls, insertion and retention checks, mating procedure and final test requirements. A purchase description alone cannot establish those process settings. Keep deviations and substitutions in a separate approval record with the responsible technical authority.
Which published electrical values need context?
Yazaki's public record gives 40 A as a reference current, an initial low-voltage low-current resistance limit of 2 mΩ, insulation resistance of at least 250 MΩ at 500 VDC, withstand voltage of 1000 VAC for one minute and a temperature range of -40 to 120 °C. These are manufacturer-record fields for the part family, not an automatic rating for a finished harness.
Final circuit capability depends on the selected terminal, conductor, temperature rise, cavity loading, derating, contact condition, mating parts and project test plan. Preserve the “reference” qualifier in quotations and internal specifications. Never convert it into a guaranteed operating current without supporting application evidence.
Receiving and assembly checklist
- Identity: match 7222-4220-40 on the order, package label, traceability record and housing.
- Document control: capture the current Yazaki product page, drawing and CE19-EN-0007 standard revision.
- Interface: verify the intended mating half, keying, position count and orientation against controlled drawings.
- Sealing system: verify every wire seal and unused-cavity plug against wire insulation and cavity requirements.
- Termination: use the authorized terminal, tooling, crimp specification and inspection plan for the actual wire.
- Release: record samples, measurements, visual checks, test results, deviations and approval authority.
Use the connector housings category and 58 Connector Y Type series page for structured discovery. They help compare catalogued records, but they do not replace the manufacturer documents or project-specific validation.
Quick FAQ
Can 7123-4220-40 be treated as approved immediately?
No. It is the mating part number shown in the official record, but the exact suffix, terminals, seals, wiring and project requirements still need controlled verification.
Does two positions mean both cavities must be populated?
No conclusion should be drawn from position count alone. If a cavity is unused, verify the applicable dummy plug, sealing method and test requirement in current documentation.
Can the 40 A reference value be copied into a quotation?
Only with its reference qualifier and source context. Do not present it as the guaranteed rating of the customer's completed circuit.
Conclusion: preserve the evidence chain
Yazaki 7222-4220-40 has a strong public evidence set for identity and document control. A reliable handoff still requires the exact mating, termination and sealing records to be connected to the project BOM and inspection plan. Continue through the Yazaki brand catalogue, the automotive connectors category and the automotive application index, then request project-specific confirmation before release.