39-00-0077 datasheet: Full spec breakdown & pin data

5 May 2026 0

Point: The 39-00-0077 appears across multiple supplier listings and its datasheet is the single source engineers use to confirm fit, form, and function before committing to PCB layout or procurement.
Evidence: Datasheet fields define electrical ratings, mechanical dimensions, and ordering options that determine compatibility.
Explanation: This article unpacks every datasheet item for 39-00-0077, shows the exact pin data engineers need, and provides test and assembly checks to reduce integration risk.

Point: Engineers rely on distilled datasheet values to avoid rework during prototype and production. Evidence: Cross-checking rated current, contact geometry, and recommended tooling up front reduces assembly failures. Explanation: The guidance below is structured so you can extract, record, and act on the critical fields from the datasheet in a single pass.

1 — Background & part overview

39-00-0077 datasheet: Full spec breakdown & pin data

Point: Understand the generic connector/contact family and typical applications before design selection. Evidence: The part is a crimp/contact style intended for board-to-wire and harness use in power distribution and low-voltage signal paths. Explanation: Knowing the family lets you evaluate compatibility with mating housings, wire AWG ranges, and lifecycle expectations.

Part family & intended applications

Point: The part functions as a rectangular crimp contact used in power distribution, signal harnesses, and board-to-wire linkages. Evidence: Typical use cases include chassis wiring, discrete power rails, and multi-pin harness assemblies where reliable current transfer and retention are required. Explanation: When to use this part — choose it when you need a compact crimp contact rated for moderate current, predictable crimp quality, and compatibility with standard housings.

How to read the 39-00-0077 datasheet (quick reference)

Point: Focus your read order on the datasheet sections that affect design and procurement decisions. Evidence: Key sections include the electrical table, mechanical drawing, material and plating notes, recommended tooling, and orderable options. Explanation: Read-order checklist — confirm electrical ratings → verify mechanical dimensions → check recommended wire AWG → review crimp/tooling info; record revision/drawing numbers for traceability.

2 — Full electrical & mechanical spec breakdown

Point: Accurate capture of electrical specs prevents derating surprises in application. Evidence: Datasheet fields list rated current, max voltage, contact resistance, dielectric withstanding voltage, insulation resistance, and operating temperature. Explanation: Extract each value and its test conditions so you can compare to your operational environment and safety margins.

Category Critical Specs to Extract Goal
Electrical Current (A), Voltage (V), Resistance (mΩ), Insulation (Ω) Verify safety margins
Mechanical Mating cycles, Insertion force, Wire AWG range Durability & fit
Material Plating type, Substrate, Temperature Range (°C) Environmental resilience

Electrical specifications to verify: Record each electrical parameter with its test condition and pass threshold. Mechanical specs: These items affect solderability, corrosion resistance, and lifetime; summarize them in a compact spec table and note environmental limits such as vibration and temperature derating.

3 — Pinout & pin data (case / data analysis)

Point: Pin data is the foundation for footprint, trace, and test-point decisions; extract numbering and functions from the mechanical drawing immediately. Evidence: The drawing defines pin numbering, physical pad locations, and critical clearances. Explanation: Start your component record by mapping pin number → function → recommended trace width/pad size so BOM and board files reference identical pin assignments.

Pin Numbering & Mapping Guidance

Point: Derive pin numbering from the mechanical view and map each pin to its electrical role. Evidence: The mechanical drawing typically shows a front, rear, and mating view with numbered positions and reference dimensions. Explanation: Use a columnar pin map: Pin number → Function (power/ground/signal) → Recommended trace width (mils or mm) → Recommended pad size; include polarity and shielding notes where applicable.

Pin-level electrical limits: Record per-pin limits and define test points for continuity and isolation checks. Evidence: Datasheet provides per-pin current capability, contact resistance per pin, and isolation clearance/creepage values.

4 — Installation, crimping & assembly guidelines

Point: Proper wire prep and crimp tooling are primary determinants of contact reliability. Evidence: Datasheet and tooling notes define strip length, crimp orientation, and recommended crimp tool types. Explanation: Follow a stepwise crimp checklist (strip → seat conductor → crimp with recommended tool → inspect barrel fill → pull test) and use visual/pass-fail indicators for batch QC.

Quality Checks

Point: Define exact strip length and inspection criteria. Evidence: Tooling notes indicate acceptable conductor exposure. Explanation: Include actionable QC: visible full barrel fill, no conductor nicking, and minimum pull-out force.

PCB Integration

Point: Derive footprint from drawings. Evidence: Datasheet shows pad sizes and spacing. Explanation: Add via-placement rules, define solder mask openings, and plan strain relief for harness exits.

5 — Testing, compliance & troubleshooting checklist

Point: Tests should map directly to datasheet limits so acceptance criteria are unambiguous. Evidence: Datasheet values provide thresholds for continuity, contact resistance, dielectric strength, and mechanical retention. Explanation: Implement test procedures that reference datasheet numbers: 4-wire contact resistance ≤ spec, high-pot ≥ specified V, and pull/push forces meeting stated minima.

Recommended test procedures & acceptance criteria

Point: Define test steps and derive pass/fail from figures. Evidence: Typical tests include continuity and 4-wire resistance. Explanation: State procedure clearly — e.g., contact resistance measured with 4-wire method ≤ datasheet mΩ.

Common failure modes & corrective actions

Point: Capture frequent assembly failures. Evidence: Issues like poor crimp or plating wear. Explanation: Troubleshooting flow — isolate failed pin → inspect crimp → re-crimp or replace contact → update assembly instructions.

Summary

Point: Before layout, confirm electrical ratings, mechanical footprint, materials, and recommended tooling; lock pin assignments into component records. Evidence: The datasheet provides authoritative values for BOM and board files. Explanation: Capture the spec table and pin map into your database and validate with sample assembly.

  • Capture rated electricals: record current, voltage, and resistance with test conditions.
  • Document mechanical details: plating type, substrate, and wire AWG for alignment.
  • Lock pin data into CAD/BOM: map pin number to function and recommended pad size.
  • Adopt assembly checks: standardized tooling and pull tests reduce field failures.

Frequently Asked Questions

What pin data should I record from the datasheet?

Record pin number, mapped function, per-pin current capability, contact resistance, isolation clearance, and test point locations for layout and procurement alignment.

How do I determine recommended wire AWG from the datasheet?

Use the datasheet's AWG range and cross-reference current limits. If running near limits, upsize wire one AWG and retest crimp retention.

Which tests must be prioritized during first prototype build?

Prioritize continuity, 4-wire contact resistance, dielectric withstanding, and mechanical retention (pull/push) using datasheet thresholds as pass/fail criteria.