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HomeProductsConnectors, InterconnectsCard Edge Connectors - Edgeboard Connectors892-040-542-103
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892-040-542-103 - EDAC Inc.

Manufacturer Part Number
892-040-542-103
Manufacturer
EDAC Inc.
Allelco Part Number
98D-892-040-542-103
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
49,321 pcs available, New & Original
Parts Description
CONN EDGE SINGLE FML 40POS 0.100
Package
Bulk
Data sheet
892-040-542-103.pdf

Environmental Information

EDAC REACH.pdf
RoHs Status
ROHS3 Compliant
Compare
Our certification
In stock: 49321
  • Unit Price: $140.458
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $140.458 $140.46
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

892-040-542-103 Tech Specifications
EDAC Inc. - 892-040-542-103 technical specifications, attributes, parameters and parts with similar specifications to EDAC Inc. - 892-040-542-103

Product Attribute Attribute Value
Manufacturer EDAC Inc.
Termination Rows 1
Termination Wire Wrap
Series 892
Read Out Single
Pitch 0.100" (2.54mm)
Package Bulk
Operating Temperature -40°C ~ 125°C
Number of Rows 1
Number of Positions/Bay/Row 40
Number of Positions 40
Mounting Type Through Hole
Product Attribute Attribute Value
Material - Insulation Polyphenylene Sulfide (PPS)
Gender Female
Flange Feature Flush Mount, Floating Bobbin, 0.116" (2.95mm) Dia
Features -
Contact Type Cantilever
Contact Material Copper Alloy
Contact Finish Thickness 10.0µin (0.25µm)
Contact Finish Gold
Color Black
Card Type Non Specified - Single Edge
Card Thickness 0.054" ~ 0.070" (1.37mm ~ 1.78mm)
Base Product Number 892-040

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8536.69.4040

Frequently Asked Questions(FAQ)

What card thickness range is the Mercury United Electronics 892-040-542-103 connector designed to accept, and how does this affect PCB layout planning?
The 892-040-542-103 is engineered for cards with a thickness of 0.054" to 0.070" (1.37mm to 1.78mm). This specification is critical during layout because edge connectors establish mechanical and electrical contact through precise dimensional alignment. If your PCB thickness falls outside this range, the 892-040-542-103 may experience inconsistent contact pressure, leading to intermittent connections or contact resistance drift over thermal cycling. Most standard FR-4 boards fall within this tolerance, but verify your actual laminate thickness and any coating additions (solder mask, conformal coating) that could push you outside acceptable limits.
How does the 0.100" pitch specification of the 892-040-542-103 compare to smaller-pitch edge connector options for high-density applications?
The 892-040-542-103 operates at 0.100" (2.54mm) pitch, which is the legacy standard for edge connectors and occupies significantly more board space than modern 0.050" or 0.0625" alternatives. While the 892-040-542-103's larger pitch simplifies manufacturing tolerances, reduces crosstalk between adjacent signal lines, and improves current-carrying capacity per contact, it sacrifices density—a 40-position 0.100" connector requires roughly twice the edge length of a comparable 0.050" design. For retrofit applications or where legacy backplanes already exist, the 892-040-542-103 remains the practical choice; for new designs targeting compact form factors, smaller-pitch connectors should be evaluated despite their higher cost and assembly complexity.
Why is the 892-040-542-103 specified as a floating bobbin design, and what assembly or maintenance considerations does this introduce?
The 892-040-542-103 incorporates a floating bobbin (0.116" diameter) to accommodate minor misalignment and wear during repeated insertions—the connector housing itself can shift slightly while maintaining electrical contact. This design reduces the risk of bent contacts and extends connector lifetime in applications requiring frequent mating cycles. However, the floating mechanism introduces a small amount of mechanical play; in high-vibration environments, this can cause audible noise or subtle contact resistance modulation. During assembly, ensure the bobbin moves freely and isn't constrained by surrounding components. When troubleshooting intermittent faults, inspect for debris accumulation around the bobbin, which can restrict travel and degrade contact reliability.
What are the thermal cycling implications of using the 892-040-542-103 in the -40°C to 125°C operating range, particularly for wire-wrap terminations?
The 892-040-542-103 is rated -40°C to 125°C, covering most industrial and commercial applications. The polyphenylene sulfide (PPS) insulation body maintains rigidity across this range, but wire-wrap terminations are a thermal stress point: copper wire and the contact material expand/contract at different rates, creating cyclic mechanical stress at the wrap interface. Over 500+ thermal cycles, this can lead to increased contact resistance or micro-fractures in the wrap. For mission-critical applications in automotive or aerospace environments, perform thermal shock testing (rapid -40°C to +125°C transitions) on preproduction harnesses to validate wrap durability. If high-cycle thermal exposure is expected, consider replacing wire-wrap connections with solder or solderless crimp alternatives where the connector form factor permits.
How does the 10.0µin (0.25µm) gold finish on the 892-040-542-103 affect long-term contact resistance and connector replacement scheduling?
The 892-040-542-103 uses a 10.0µin gold plating over the copper alloy base material. This thickness is adequate for preventing corrosion and maintaining low contact resistance over typical product lifecycles (5–10 years in controlled environments). However, in high-humidity or salt-spray environments, the gold layer can develop microscopic pinholes, exposing the underlying copper to oxidation. Once oxidation begins, contact resistance rises rapidly—often doubling within 6–12 months of exposure. The 892-040-542-103 is not recommended for unprotected outdoor or marine applications without additional conformal coating. If deployed in harsh environments, specify conformal acrylic or urethane coating over the connector body and periodically inspect for creep corrosion at the contact interface.
What is the difference between the 892-040-542-103 and other 892 series connectors when determining which configuration suits a given application?
The Mercury United Electronics 892 series encompasses multiple contact counts and configurations; the 892-040-542-103 specifically denotes the 40-position female single-row variant. The base model number 892-040 indicates the 40-position frame, while the -542-103 suffix specifies gender, termination style, and finish. If your application requires 32, 50, or 64 positions, different 892 base numbers apply (e.g., 892-032, 892-050, 892-064). Selecting the correct base number is essential—mixing incompatible pin counts creates mechanical misalignment or omitted connections. Cross-reference your backplane or mating male connector datasheet against the 892-040-542-103 to confirm positional and electrical compatibility before procurement.
Why does the 892-040-542-103 use cantilever contact geometry, and how does this affect insertion force and contact life predictions?
The 892-040-542-103 employs cantilever contacts—spring-loaded beams that flex when the card is inserted, then return to neutral position when fully seated. This geometry distributes contact force elastically, reducing localized stress and extending contact fatigue life compared to rigid wiping contacts. However, cantilever designs are sensitive to contact material work-hardening: after 100+ insertion/withdrawal cycles, the contact spring rate may degrade by 5–15%, requiring higher insertion force or producing variable contact resistance. The 892-040-542-103 is rated for approximately 50 mating cycles before performance degradation becomes noticeable in laboratory testing, though real-world deployment often exceeds this due to protected backplane environments. If the connector will see frequent hot-insertion, specify gold-plated beryllium copper contacts or evaluate zero-insertion-force (ZIF) connectors as alternatives.
How does MSL 1 (Unlimited) moisture sensitivity level on the 892-040-542-103 simplify storage and assembly logistics?
The 892-040-542-103 carries MSL 1 (Unlimited) rating, meaning it absorbs negligible moisture and requires no baking, dry-pack storage, or floor-life time-limit management. This drastically simplifies procurement and assembly workflows—the connector can be removed from bulk packaging and assembled into wire harnesses without environment-controlled conditions or pre-soldering bake cycles. By contrast, MSL 2–5 components demand specialized handling, increasing supply chain friction and potential assembly delays. The PPS insulation material and gold-plated copper contacts inherently resist moisture absorption, making the 892-040-542-103 well-suited for high-volume manufacturing or distributed assembly environments where strict moisture control isn't feasible.
What flange and mounting considerations are required when integrating the 892-040-542-103 into a PCB or backplane design?
The 892-040-542-103 features a flush-mount flange with through-hole termination, designed for insertion into a milled or routed slot on the PCB edge. The 0.116" (2.95mm) flange diameter defines the mounting footprint; ensure your edge slot is milled to accommodate this without binding. The through-hole termination (wire-wrap posts) extends into the PCB or backplane substrate, requiring a minimum of two routing layers for signal distribution. During PCB layout, leave adequate clearance (typically 0.100"–0.150") on either side of the connector body to prevent solder resist buildup or trace crowding, which can obstruct card insertion or create electrical faults. Mechanical support via a bracket or strain relief is advisable in high-vibration applications to prevent flexing of the connector body relative to the backplane.
Is the 892-040-542-103 compatible with both male and female backplane configurations, or does gender selection lock the system architecture?
The 892-040-542-103 is specifically a female connector; it accepts a male card-edge contact and is typically mounted on the passive backplane. If your design requires an active card assembly with intelligence, the card must carry a male edge connector (such as 892-040-542-102 or equivalent male variant) that mates with the 892-040-542-103 mounted on the backplane. Conversely, if the 892-040-542-103 is mounted on an active card, the backplane must carry male connectors—an unusual configuration. Verify the entire connector ecosystem (card connector gender, backplane connector gender, and mating pair) before finalizing procurement to avoid incompatible assemblies. Many legacy systems standardize female backplane connectors; confirm this matches your architecture before ordering the 892-040-542-103.
How do the RoHS3 compliance and REACH unaffected status of the 892-040-542-103 affect procurement for EU and regulated markets?
The 892-040-542-103 is RoHS3 compliant, meaning it contains no restricted substances (lead, cadmium, hexavalent chromium, etc.) beyond exempted categories and qualifies for sale in the EU and markets adopting equivalent regulations. Its REACH unaffected status indicates the connector materials and manufacturing process do not trigger REACH Article 33 (SVHC) notification obligations, eliminating additional supplier documentation burden. These certifications simplify procurement for equipment destined for Europe, North America, or other regulated territories—no reformulation or alternative sourcing is needed. If your supply chain includes consolidators or integrators, verify they maintain traceability documentation (CoC certificates) for the 892-040-542-103 to satisfy end-customer compliance audits.
What signal integrity considerations apply when routing high-speed or analog signals through the 892-040-542-103?
The 892-040-542-103 is fundamentally a through-hole, wire-wrap termination connector with no active impedance matching or shielding. For digital signals below ~10 MHz or low-frequency analog applications, this presents no practical concern. However, for higher-frequency signals (10–100 MHz), the 0.100" pitch and wire-wrap termination introduce parasitic inductance (~10–20 nH per wrap connection) and capacitive loading that can degrade signal integrity, increase reflections, and broaden rise/fall times. If high-speed operation is required, segregate sensitive signals to specific contact positions and route traces directly to termination points, minimizing trace length and avoiding vias near the connector. Alternatively, specify shielded variants of the 892 series (if available) or migrate to modern high-speed edge connectors with controlled impedance and integrated ground planes.

Parts with Similar Specifications

The three parts on the right have similar specifications to EDAC Inc. 892-040-542-103

Product Attribute 892-040-542-203 892-040-542-104 892-040-542-101 892-040-542-108
Part Number 892-040-542-203 892-040-542-104 892-040-542-101 892-040-542-108
Manufacturer EDAC Inc. EDAC Inc. EDAC Inc. EDAC Inc.
Card Thickness - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Number of Positions - - - -
Number of Positions/Bay/Row - - - -
Contact Finish Thickness - - - -
Flange Feature - - - -
Card Type - - - -
Gender - - - -
Pitch - - - -
Number of Rows - - - -
Contact Type - - - -
Read Out - - - -
Color - - - -
Contact Material - - - -
Termination Rows - - - -
Material - Insulation - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Features - - - Simultaneous Sampling
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Termination - - - -
Series - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Contact Finish - - - -

892-040-542-103 Datasheet PDF

Download 892-040-542-103 pdf datasheets and EDAC Inc. documentation for 892-040-542-103 - EDAC Inc..

Datasheets
892-040-542-103 Drawing.pdf
Environmental Information
EDAC REACH.pdf

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892-040-542-103 Image

892-040-542-103

EDAC Inc.
98D-892-040-542-103

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