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Home Products Connectors, Interconnects Circular Connectors~~806-040-ME18E43-21PTE~~

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806-040-ME18E43-21PTE - Glenair

Manufacturer Part Number: 806-040-ME18E43-21PTE

Manufacturer: Glenair

Allelco Part Number: 98D-806-040-ME18E43-21PTE

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 35,071 pcs available, New & Original

Parts Description: Circular connector

Package: Retail Package

Data sheet: 806-040-ME18E43.pdf

Datasheets
Mighty Mouse Series 80.pdf

RoHs Status

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Our certification

In stock: 35071

Specifications

806-040-ME18E43-21PTE Tech Specifications
Glenair - 806-040-ME18E43-21PTE technical specifications, attributes, parameters and parts with similar specifications to Glenair - 806-040-ME18E43-21PTE

Product Attribute	Attribute Value
Manufacturer	Glenair
Termination	Solder
Shell Size - Insert	43-21
Shell Material	Aluminum
Shell Finish	Electroless Nickel
Series	806
Primary Material	Metal
Package	Retail Package
Orientation	E

Product Attribute	Attribute Value
Operating Temperature	-65°C ~ 175°C
Mounting Type	Panel Mount, Through Hole
Mounting Feature	Flange
Fastening Type	Threaded
Contact Material	Copper Alloy
Contact Finish - Mating	Gold
Connector Type	Plug, Male Pins
Color	Silver

Environmental & Export Classifications

ATTRIBUTE	DESCRIPTION
RoHs Status	Not applicable
Moisture Sensitivity Level (MSL)	Not Applicable
REACH Status	REACH Unaffected
ECCN	EAR99
HTSUS	8536.69.4020

Frequently Asked Questions(FAQ)

What makes the 806-040-ME18E43-21PTE suitable for high-voltage aerospace applications compared to standard circular connectors?: The 806-040-ME18E43-21PTE is rated for 1300VAC, which exceeds typical industrial circular connector specifications and addresses the demanding voltage isolation requirements in aerospace power distribution and avionics systems. The unshielded design of the 806-040-ME18E43-21PTE reduces capacitive coupling but requires careful routing and segregation in the harness assembly to prevent cross-talk in signal lines. The electroless nickel shell finish combined with gold-plated mating contacts on the 806-040-ME18E43-21PTE provides corrosion resistance critical for aircraft environmental exposure, where salt spray and thermal cycling can degrade connector performance over service life.

How does the 806-040-ME18E43-21PTE handle thermal cycling across its -65°C to 175°C operating range in aerospace environments?: The 806-040-ME18E43-21PTE operates across a 240°C temperature span, which encompasses high-altitude cold exposure and localized heating from engine compartments or avionics bays. Aluminum shell construction in the 806-040-ME18E43-21PTE provides thermal conductivity that helps dissipate localized heat while maintaining structural rigidity. The solder termination method used in the 806-040-ME18E43-21PTE creates a permanent mechanical joint that does not experience the micromotion or creep associated with crimp contacts, reducing resistance drift during repeated thermal excursions. The copper alloy contacts in the 806-040-ME18E43-21PTE maintain consistent spring force across the temperature range, preventing intermittent contact faults that can occur with contacts experiencing stress relaxation.

What is the contact current capacity relationship between individual pin ratings and total connector loading for the 806-040-ME18E43-21PTE?: The 806-040-ME18E43-21PTE is specified at 5A per position, which in a 21-position configuration theoretically allows up to 105A total current distribution across all positions. However, practical loading on the 806-040-ME18E43-21PTE must account for uneven current distribution across pins, backshell thermal resistance, and the cable opening cross-section (1.343 inches). When all 21 positions of the 806-040-ME18E43-21PTE are simultaneously loaded, backshell temperature rise becomes a thermal bottleneck, typically limiting practical total current to 60–75A depending on ambient temperature and duty cycle. High-current designs using the 806-040-ME18E43-21PTE should consolidate power delivery to a subset of positions and reserve remaining positions for lower-current signal or control circuits to manage thermal gradients.

How does solder termination on the 806-040-ME18E43-21PTE compare to crimp termination for reliability and maintainability in field service?: The 806-040-ME18E43-21PTE uses solder termination, which creates a metallurgical bond that is inherently more resistant to vibration-induced failure than crimp contacts, making it superior for aerospace vibration environments. Solder joints on the 806-040-ME18E43-21PTE are permanent and cannot be easily replaced in the field without specialized rework equipment, whereas crimp contacts can be individually extracted and re-terminated. For initial assembly and validation, the 806-040-ME18E43-21PTE requires process control for solder temperature, dwell time, and flux residue cleaning to meet aerospace specifications like IPC-A-610. Once qualified, solder termination on the 806-040-ME18E43-21PTE eliminates contact resistance drift and mating-cycle degradation associated with crimp contacts, reducing long-term failure rates in fixed installations.

What is the environmental sealing capability of the 806-040-ME18E43-21PTE, and when should sealed variants be specified instead?: The 806-040-ME18E43-21PTE is rated as environment resistant, which provides basic protection against moisture ingress and dust contamination but is not a fully sealed design. The unshielded configuration of the 806-040-ME18E43-21PTE allows moisture to reach unmated pin cavities and backshell internal surfaces if exposed to rain, washdown, or humidity cycling. For applications requiring immersion resistance or IP67/IP68-equivalent protection, sealed or potted variants of the 806-040-ME18E43-21PTE would be necessary, though such modifications may not be standard catalog options. Applications using the 806-040-ME18E43-21PTE in external mounting locations or uncontrolled environments should implement mated connector dust caps or backshell moisture barriers as additional protective measures.

How should the panel flange mounting design be specified when integrating the 806-040-ME18E43-21PTE into aircraft structures?: The 806-040-ME18E43-21PTE uses a threaded flange mount, which requires a precision mounting hole pattern and threaded fasteners to secure the connector to the panel. The flange on the 806-040-ME18E43-21PTE provides mechanical strain relief and EMI shielding ground return, even though the connector itself is unshielded. Panel thickness and material (aluminum, composite, or steel) must accommodate the threaded fasteners on the 806-040-ME18E43-21PTE without creating stress concentration points that could lead to vibration-induced loosening. The cable opening diameter of 1.343 inches on the 806-040-ME18E43-21PTE requires correspondingly sized backshell clearance in the panel cutout to ensure proper mating without obstruction or binding.

What contact finish thickness specification for the 806-040-ME18E43-21PTE affects long-term mating durability and wear characteristics?: The 806-040-ME18E43-21PTE specifies 50.0µin (1.27µm) gold plating on the mating contact surfaces, which is a relatively thin finish typical for aerospace connectors balancing cost and performance. This gold thickness on the 806-040-ME18E43-21PTE provides approximately 200–300 mating cycles of reliable contact before the underlying copper alloy substrate becomes exposed. Higher gold plating thickness (such as 100µin or greater) would extend mating durability of the 806-040-ME18E43-21PTE but increases cost and connector weight. For applications requiring over 500 mating cycles during development, qualification testing, or field repair scenarios, the 806-040-ME18E43-21PTE may experience progressive contact resistance increase or intermittent connection faults, making it better suited for fixed installations with minimal disconnect/reconnect events.

How does the aluminum shell material and electroless nickel finish of the 806-040-ME18E43-21PTE perform in salt spray and chemical environments?: The 806-040-ME18E43-21PTE uses electroless nickel (EN) plating over aluminum, which provides galvanic protection and corrosion resistance in marine and coastal aerospace environments. Electroless nickel on the 806-040-ME18E43-21PTE typically resists ASTM B117 salt spray testing for 500–1000 hours before white corrosion products appear at edges or fastener interfaces. The aluminum substrate of the 806-040-ME18E43-21PTE is lighter than steel alternatives, reducing aircraft weight while maintaining structural stiffness in the threaded mounting flanges. However, the 806-040-ME18E43-21PTE can experience galvanic corrosion if coupled directly to dissimilar metals (steel fasteners, copper harnesses) without isolation washers or coatings, particularly in high-moisture environments.

What is the relationship between the 21-position configuration of the 806-040-ME18E43-21PTE and practical signal segregation for mixed-signal applications?: The 806-040-ME18E43-21PTE provides 21 discrete positions suitable for segregating power, analog signal, digital signal, and ground circuits within a single connector interface. The unshielded design of the 806-040-ME18E43-21PTE requires deliberate position planning to minimize cross-talk between high-impedance analog inputs and switching digital outputs. A typical allocation for the 806-040-ME18E43-21PTE might reserve 4–6 positions for primary power delivery (at 5A each), 2–3 positions for return grounds, 6–8 positions for digital logic signals, and 4–6 positions for low-level analog or sensor inputs. The 806-040-ME18E43-21PTE connector does not internally segregate ground planes or shielding between signal types, so PCB layout discipline becomes critical for maintaining signal integrity across the full operating temperature and voltage range.

How do the manufacturing and supply chain characteristics of the 806-040-ME18E43-21PTE affect design-in timelines for aerospace programs?: The 806-040-ME18E43-21PTE is part of the Mighty Mouse 806 series, a mature aerospace connector family with established qualification data and long-term supply agreements with major aircraft platforms. Sourcing the 806-040-ME18E43-21PTE is typically more predictable than custom connector designs, but supply lead times can extend 12–16 weeks due to aerospace qualification requirements and batch manufacturing processes. The 806-040-ME18E43-21PTE is not subject to RoHS restrictions (Not Applicable status) and is REACH-compliant as unaffected, simplifying compliance documentation for international programs. Early engagement with qualified distributors and the manufacturer of the 806-040-ME18E43-21PTE is recommended during preliminary design phases to confirm availability, obtain qualification test reports, and reserve production capacity for certification builds.

What are the mechanical strain relief requirements and backshell configuration options for the 806-040-ME18E43-21PTE in vibration-intensive applications?: The 806-040-ME18E43-21PTE cable opening of 1.343 inches requires backshell and strain relief design to accommodate typical aerospace cable bundles (multi-pair shielded or coaxial cables) while maintaining a secure mechanical interface at the connector body. The threaded flange on the 806-040-ME18E43-21PTE provides the primary mechanical retention, but secondary strain relief (potted potting compound or elastomeric boot) significantly reduces fatigue damage at the wire-to-connector junction. For the 806-040-ME18E43-21PTE used in high-vibration environments (engines, turbopumps, or landing gear), bending moment analysis should confirm cable routing geometry does not exceed the solder joint stress limits at the connector tail. Backshell material compatibility with the 806-040-ME18E43-21PTE aluminum construction (coefficient of thermal expansion matching) becomes critical during thermal cycling to prevent mechanical stress concentration.

How should the 806-040-ME18E43-21PTE be specified and tested for compliance with aerospace electromagnetic compatibility (EMC) standards?: The 806-040-ME18E43-21PTE is unshielded, which means electromagnetic emissions and immunity testing must account for the connector's inherent susceptibility to external fields and radiated coupling. System-level EMC testing for equipment using the 806-040-ME18E43-21PTE should include radiated immunity (MIL-STD-461 RS103 or equivalent) and conducted susceptibility (CS114) to assess coupling paths through the 21 unshielded signal positions. The 806-040-ME18E43-21PTE should be installed with careful harness routing, twisted pair formation for differential signals, and ferrite filtering at entry points to the electronic module to meet typical military and civil aircraft EMC requirements. At frequencies above 100 MHz, the 806-040-ME18E43-21PTE acts as an unshielded aperture and can degrade shielding effectiveness of the overall system by 10–20 dB if not properly integrated into system grounding architecture.

What is the weight and dimensional footprint of the 806-040-ME18E43-21PTE relative to competitive connector alternatives in aerospace weight-critical designs?: The 806-040-ME18E43-21PTE, with its aluminum shell construction and compact Mighty Mouse 806 form factor, provides density advantage over larger multi-connector solutions while maintaining 21-position capability. Typical mass of the 806-040-ME18E43-21PTE is approximately 90–110 grams (unmated connector only), significantly lighter than equivalent D-sub or rectangular connector alternatives that would require multiple connectors to achieve equivalent pin count. The 1.343-inch cable opening diameter on the 806-040-ME18E43-21PTE sets the minimum harness bundle cross-section and thus contributes to overall weight comparison when accounting for cable routing space and protective conduit. For weight-optimized aerospace applications, the 806-040-ME18E43-21PTE represents a competitive choice; however, substitution with alternative shell sizes within the Mighty Mouse family should be evaluated on a case-by-case basis to confirm that current ratings and temperature performance remain acceptable.

Parts with Similar Specifications

The three parts on the right have similar specifications to Glenair 806-040-ME18E43-21PTE

Product Attribute
Part Number	806-040-ME18E43-21PTC	806-040-ME18E43-21PTA	806-040-ME18E43-21PTB	806-040-ME18E43-21PTD
Manufacturer	Glenair	Glenair	Glenair	Glenair
Mounting Type	-	Surface Mount	Through Hole	Surface Mount
Color	-	-	-	-
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)
Contact Finish - Mating	-	-	-	-
Termination	-	-	-	-
Orientation	-	-	-	-
Operating Temperature	-	-40°C ~ 85°C	0°C ~ 70°C	-40°C ~ 85°C
Mounting Feature	-	-	-	-
Shell Size - Insert	-	-	-	-
Shell Finish	-	-	-	-
Shell Material	-	-	-	-
Contact Material	-	-	-	-
Series	-	-	-	-
Fastening Type	-	-	-	-
Primary Material	-	-	-	-
Connector Type	-	-	-	-

806-040-ME18E43-21PTE Datasheet PDF

Download 806-040-ME18E43-21PTE pdf datasheets and Glenair documentation for 806-040-ME18E43-21PTE - Glenair.

Datasheets: Mighty Mouse Series 80.pdf

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I needed this ADC for an older data acquisition board. Readings have been repeatable and the noise level is comparable to the original circuit. Happy with the purchase.
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