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346-021-559-103
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Product Detailed Parameters
- Description：CONN EDGE SGL FMALE 21POS 0.125
- Series：346
- Mfr：EDAC Inc.
- Package：Box
- Card Type：Non Specified - Single Edge
- Gender：Female
- Number of Positions/Bay/Row：21
- Number of Positions：21
- Card Thickness：0.054" ~ 0.070" (1.37mm ~ 1.78mm)
- Number of Rows：1
- Pitch：0.125" (3.18mm)
- Read Out：Single
- Features：-
- Mounting Type：Through Hole, Right Angle
- Termination：Solder, Wire Wrap
- Contact Material：Copper Alloy
- Contact Finish：Gold
- Contact Finish Thickness：10.0µin (0.25µm)
- Contact Type：Cantilever
- Color：Green
- Flange Feature：Flush Mount, Floating Bobbin, 0.116" (2.95mm) Dia
- Operating Temperature：-40°C ~ 105°C
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Buying Guide
EDAC Inc. 346-021-559-103 is evaluated in Edgeboard Connectors category when mechanical interface details determine downstream rework and reliability risk. Key specs include Description (CONN EDGE SGL FMALE 21POS 0.125), Mounting (Through Hole, Right Angle), Temperature (-40°C ~ 105°C), and Packaging (Box).
Selection Notes
- For 346-021-559-103, confirm the operating temperature range (-40°C ~ 105°C) meets your deployment conditions.
- Confirm Flange Feature (Flush Mount, Floating Bobbin, 0.116" (2.95mm) Dia) meets your design constraints and system-level expectations.
- Verify the mounting type (Through Hole, Right Angle) fits your manufacturing and inspection workflow.
Alternates & Substitutions
- For 346-021-559-103, the better candidates tend to keep the mating series and mechanical keying aligned along with positions 21, pitch 0.125" (3.18mm), and termination/finish Solder, Wire Wrap.
- For 346-021-559-103, the strongest alternatives usually keep positions 21, pitch 0.125" (3.18mm), and termination/finish Solder, Wire Wrap aligned at the same time, because matching only one headline number rarely preserves the whole product role (key constraints: mounting Through Hole, Right Angle, packaging Box).
- For Edgeboard Connectors, use the original part as a baseline and screen alternates by what the assembly and end product cannot easily absorb.
- When several parts look close on paper, prioritize the one that preserves the existing board fit, interface behavior, and maintenance assumptions.
FAQ
What details help you quote 346-021-559-103 quickly?
Provide the part number (346-021-559-103), quantity, required lead time, and any packaging or documentation requirements.
Who is the manufacturer of 346-021-559-103?
EDAC Inc.
Which Read Out is listed for 346-021-559-103?
Single
What Termination does 346-021-559-103 have?
Solder, Wire Wrap
Application Scenarios
In real deployments, selecting EDAC Inc. 346-021-559-103 for Edgeboard Connectors usually comes down to meeting the system constraints that matter most: limits, interfaces, and testability in the real build. They define how boards and cables mate, influencing reliability, manufacturability, and serviceability. Engineers generally evaluate current rating, retention, plating, impedance control, and mating cycles to prevent intermittent field failures. With the fundamentals covered, engineers usually validate the remaining assumptions in the exact use-case and mechanical stack-up. In embedded devices, board-to-board connectors enable modular assemblies where stack-up tolerance and retention define reliability. In networking platforms, high-density backplane connectors enable hot-swap line cards and controlled-impedance links. In high-speed links, controlled impedance and return-path continuity matter because small discontinuities can create hard-to-debug dropouts. In real deployments, repeatability across temperature, load, and noise is what keeps performance consistent.
Compatibility Advice
- With EDAC Inc. 346-021-559-103, in production qualification, confirm pinout and polarization prevent mis-mates during field service and reassembly. This reduces the chance that a substitute only works under a friendlier bench setup than the shipped product will ever see.
- For field stability, check current derating and temperature rise under continuous load, because contact heating is often the real limiter. This keeps integration from depending on typical-only conditions.
- For second-source review, confirm cable bend and routing constraints so strain relief is not treated as an afterthought during enclosure design before release to production.
Project Fit
- EDAC Inc. 346-021-559-103 makes sense in Edgeboard Connectors work when the design needs predictable mating and retention under vibration and field handling.
- EDAC Inc. 346-021-559-103 is a weaker fit for Edgeboard Connectors when impedance and return paths cannot be maintained through the connector system because the remaining risk is system-level and cannot be bounded by datasheet checks alone.
