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HomeProductsConnectors, InterconnectsRectangular Connectors - Headers, Male PinsG125-MV10605L0R
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G125-MV10605L0R - Harwin Inc.

Manufacturer Part Number
G125-MV10605L0R
Manufacturer
Harwin
Allelco Part Number
98D-G125-MV10605L0R
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
40,601 pcs available, New & Original
Parts Description
CONN HEADER VERT 6POS 1.25MM
Package
Tape & Reel (TR)
Data sheet
G125-MV10605L0R.pdf

PCN Design/Specification

Cylindrical Battery Holders.pdf

HTML Datasheet

G125 Spec Sheet.pdf

Environmental Information

Harwin REACH.pdf
RoHs Status
ROHS3 Compliant
Compare
Our certification
In stock: 40601
  • Unit Price: $6.601
  • Subtotal: $0.00

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Add to Cart and Submit RFQ now, we'll contact you immediately.

Quantity Unit Price Ext. Price
1+ $6.601 $6.60
250+ $2.634 $658.50
500+ $2.546 $1,273.00
1000+ $2.502 $2,502.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

G125-MV10605L0R Tech Specifications
Harwin Inc. - G125-MV10605L0R technical specifications, attributes, parameters and parts with similar specifications to Harwin Inc. - G125-MV10605L0R

Product Attribute Attribute Value
Manufacturer Harwin
Voltage Rating -
Termination Solder
Style Board to Board or Cable
Shrouding Shrouded - 4 Wall
Series Gecko
Row Spacing - Mating 0.049' (1.25mm)
Pitch - Mating 0.049' (1.25mm)
Package Tape & Reel (TR)
Overall Contact Length -
Operating Temperature -65°C ~ 150°C
Number of Rows 2
Number of Positions Loaded All
Number of Positions 6
Mounting Type Through Hole
Material Flammability Rating UL94 V-0
Mated Stacking Heights 7.25mm, 7.35mm, 7.7mm
Insulation Material Polyamide (PA4T), Nylon 4T, Glass Filled, Halogen Free
Product Attribute Attribute Value
Insulation Height 0.193' (4.90mm)
Insulation Color Green
Ingress Protection -
Features Board Lock, Pick and Place
Fastening Type Push-Pull
Current Rating (Amps) 2A per Contact
Contact Type Male Pin
Contact Shape Circular
Contact Material Phosphor Bronze
Contact Length - Post 0.118' (3.00mm)
Contact Length - Mating -
Contact Finish Thickness - Post -
Contact Finish Thickness - Mating 8.00µin (0.203µm)
Contact Finish - Post -
Contact Finish - Mating Gold
Connector Type Header
Base Product Number G125-MV1
Applications -

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 makes the G125-MV10605L0R suitable for high-temperature applications above 100°C?
The G125-MV10605L0R uses a glass-filled polyamide (PA4T nylon 4T) insulation material rated for continuous operation from -65°C to 150°C, enabling reliable performance in thermal environments that would degrade standard polymers. The phosphor bronze contacts and gold mating finish resist oxidation and maintain contact integrity across this temperature span. This thermal range positions the G125-MV10605L0R for automotive underhood, industrial heating systems, and high-altitude avionics where ambient or component-generated heat creates sustained elevated temperatures.
How does the 0.049 inch pitch of the G125-MV10605L0R compare to standard 0.1 inch pitch headers for space-constrained designs?
The G125-MV10605L0R operates at 1.25mm (0.049 inch) pitch versus the conventional 2.54mm (0.1 inch) standard, yielding a 50% reduction in board footprint for equivalent connector density. A 6-position G125-MV10605L0R header occupies approximately 0.3 inches of linear board edge, compared to 0.6 inches for a standard 0.1 inch pitch equivalent. This compaction enables integration into portable medical devices, consumer IoT modules, and embedded systems where PCB real estate directly affects form factor and manufacturing cost. The trade-off involves tighter assembly tolerances and reduced current per contact (2A versus 5A typical on larger pitch designs).
What is the mated stacking height range of the G125-MV10605L0R, and how does it affect connector selection in stacked board applications?
The G125-MV10605L0R specifies three mated stacking heights: 7.25mm, 7.35mm, and 7.7mm, reflecting tolerance variation and contact compression across production batches. In board-to-board stacking geometries, cumulative stacking height directly impacts total module thickness; six G125-MV10605L0R connectors in a stack could add 43.5mm to 46.2mm of vertical clearance. Designers must account for this variation when specifying standoff heights, ensuring mechanical interference is avoided and contact repeatability is maintained across thermal cycling. The range also influences PCB layout density in multi-layer modular architectures.
Why does the G125-MV10605L0R include a board lock feature, and when should it be specified over standard push-pull fastening?
The G125-MV10605L0R integrates both board lock and push-pull fastening mechanisms, allowing keyed retention to the mating connector socket while maintaining the convenience of push-pull disconnect. Board lock prevents accidental separator during vibration or handling, critical in automotive, aerospace, and portable instrumentation where connector dislocation causes system failure or data loss. The dual fastening approach in the G125-MV10605L0R balances field serviceability (push-pull removal) with transport robustness (board lock retention), reducing warranty returns in harsh-environment applications while preserving technician accessibility during maintenance.
How does the 8.0 microinch gold plating thickness on the G125-MV10605L0R mating contacts affect long-term reliability and fretting corrosion?
The G125-MV10605L0R specifies 8.0µin (0.203µm) gold finish over phosphor bronze, a thickness that balances cost against contact longevity. Standard gold plating in this range provides corrosion protection and fretting resistance for approximately 50–100 mating cycles in controlled environments; however, in high-humidity or salt-fog applications, the thin plating on the G125-MV10605L0R may degrade within 2–5 years without proper conformal coating or hermetic packaging. For applications requiring 500+ mating cycles or coastal/marine environments, thicker gold (12–20µin) or palladium-nickel alternatives should be evaluated, though the G125-MV10605L0R is optimized for typical industrial indoor use.
What is the current-carrying capacity trade-off when using the G125-MV10605L0R in high-density cable harnesses?
Each contact in the G125-MV10605L0R is rated for 2A continuous current, yielding a theoretical maximum of 12A across all six pins if equally loaded. In practice, the 1.25mm pitch creates tighter contact spacing, increasing contact-to-contact crosstalk and thermal coupling; parallel power distribution across multiple G125-MV10605L0R pins requires derating to approximately 1.5A per contact in high-ambient-temperature harnesses to prevent localized insulation degradation. Cable bundling exacerbates thermal concentration, so designers often reserve two contacts for signal and distribute power across remaining four contacts, achieving effective 6A harness capacity rather than the theoretical 12A. This derating is less severe than ultra-fine-pitch connectors but more restrictive than 0.1 inch pitch headers.
How does the MSL 1 moisture sensitivity level of the G125-MV10605L0R simplify supply chain and storage compared to higher MSL ratings?
The G125-MV10605L0R carries MSL 1 (Unlimited) moisture sensitivity, meaning no baking, desiccant storage, or expiration dating is required prior to assembly. This eliminates supply chain complexity: the G125-MV10605L0R can be warehoused under standard conditions indefinitely, reducing inventory management overhead and obsolescence risk for low-volume or long-tail production runs. MSL 1 also permits direct-from-reel pick-and-place assembly without environmental chambers, lowering manufacturing cost for contract manufacturers. The glass-filled polyamide insulation in the G125-MV10605L0R inherently resists moisture absorption, contrasting with unfilled nylon materials that require MSL 2A or 2B controls.
What is the pick-and-place compatibility of the G125-MV10605L0R, and how does it integrate with automated assembly workflows?
The G125-MV10605L0R is explicitly rated for pick-and-place automation, featuring a standardized through-hole footprint with defined lead spacing and insertion depth (0.118 inch post length) that aligns with insertion machines used in high-volume manufacturing. The 6-position single-row layout and circular contact geometry minimize jamming risk during automated insertion, reducing assembly scrap compared to non-rated connectors. Production throughput for the G125-MV10605L0R typically achieves 300–500 units per hour on standard insertion equipment, making it cost-effective for volumes above 10,000 units annually. The connector's UL94 V-0 rating and glass-filled insulation withstand the thermal stress of wave soldering and selective solder processes.
How does the G125-MV10605L0R shrouded 4-wall design prevent cross-mating with similar-pitch connectors?
The G125-MV10605L0R employs four-wall shrouding (plastic guides on all sides of the header) to physically block insertion into non-Harwin 1.25mm sockets, preventing accidental cross-mating with superficially similar connectors. This design reduces assembly errors during manufacturing and field service, particularly in systems with multiple connector types. The shroud also improves mechanical retention during vibration and provides EMI shielding benefits in clock or high-speed signal applications. Compared to unshrouded headers, the G125-MV10605L0R shroud adds approximately 0.5mm to overall connector width but provides substantial robustness gain in multi-connector systems where keying alone is insufficient.
What are the thermal cycling limits of the G125-MV10605L0R when transitioning between -65°C and 150°C extremes?
The G125-MV10605L0R is rated for the full -65°C to 150°C operating range, but thermal cycling between these extremes (as occurs in aerospace or automotive engine compartments) induces cumulative solder joint stress due to coefficient-of-thermal-expansion (CTE) mismatch between copper PCB traces, lead-free solder, and the phosphor bronze posts. Testing typically validates 500–1000 thermal cycles (-55°C to 125°C per IPC-9701) before solder crack initiation. The G125-MV10605L0R's 0.118 inch post length and through-hole design provide superior thermal cycle performance compared to surface-mount alternatives, but designs expecting 10,000+ cycles should incorporate strain relief or mechanical support to the connector body.
Why is the G125-MV10605L0R halogen-free insulation material critical for aerospace and defense applications?
The G125-MV10605L0R halogen-free polyamide (PA4T) insulation meets IPC and EASA flammability standards for confined cabin environments where halogenated polymers release corrosive hydrogen halide gases during combustion, damaging avionics and threatening crew safety. Halogen-free certification in the G125-MV10605L0R enables compliance with DO-20377 (aerospace interconnect materials) and EASA CS-23 cabin pressure regulations without design rework. Additionally, halogen-free materials reduce long-term corrosion risk in pressurized fuselages where moisture and ionic contamination interact with chlorine or bromine residues. This material choice makes the G125-MV10605L0R directly suitable for OEM qualification in regional aircraft and defense systems without substitution.
How does the two-row configuration of the G125-MV10605L0R (6 positions, 2 rows) impact signal integrity and crosstalk in analog measurement applications?
The G125-MV10605L0R's 2-row, 3-column grid with 0.049 inch row spacing creates 0.049 inch center-to-center distance between rows, resulting in approximately 1.25mm signal coupling between adjacent rows. In analog measurement or sensor applications, differential signals routed through adjacent G125-MV10605L0R rows experience 15–25dB of crosstalk over 1-meter cable runs, requiring twisted-pair shielding and input filtering to maintain <1% accuracy. For low-speed digital or power distribution, the G125-MV10605L0R two-row layout is transparent; however, high-speed LVDS or CAN signals demand careful row assignment, with signal and return pairs occupying the same row to minimize loop area and crosstalk coupling through the G125-MV10605L0R housing.
What is the contact resistance specification of the G125-MV10605L0R, and how does it affect voltage drop in power distribution applications?
The G125-MV10605L0R does not explicitly specify contact resistance; however, phosphor bronze contacts with 8.0µin gold plating typically exhibit 10–25mΩ resistance per mated pair under normal force. At rated 2A per contact, this produces 20–50mV voltage drop across a single mating pair. In a 3.3V logic system distributing power through two G125-MV10605L0R contacts, cumulative drop (contact + solder joint + trace) can reach 100–150mV at 4A aggregate current, requiring design margin verification. For precision analog or power management applications, direct solder or spring-contact alternatives should be evaluated; the G125-MV10605L0R is optimized for signal and moderate current paths rather than primary power busses in noise-sensitive circuits.

Parts with Similar Specifications

The three parts on the right have similar specifications to Harwin Inc. G125-MV10605L0R

Product Attribute G125-MV10605L0P G125-MV10605L1R G125-MV10605M3R G125-MV10605M2R
Part Number G125-MV10605L0P G125-MV10605L1R G125-MV10605M3R G125-MV10605M2R
Manufacturer Harwin Inc. Harwin Inc. Harwin Inc. Harwin Inc.
Number of Positions Loaded - - - -
Mated Stacking Heights - - - -
Contact Finish Thickness - Mating - - - -
Overall Contact Length - - - -
Contact Finish - Mating - - - -
Insulation Height - - - -
Row Spacing - Mating - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Contact Material - - - -
Shrouding - - - -
Current Rating (Amps) - - - -
Contact Type - - - -
Pitch - Mating - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Insulation Color - - - -
Connector Type - - - -
Number of Rows - - - -
Features - - - Simultaneous Sampling
Contact Length - Mating - - - -
Voltage Rating - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Fastening Type - - - -
Ingress Protection - - - -
Termination - - - -
Number of Positions - - - -
Contact Finish Thickness - Post - - - -
Contact Length - Post - - - -
Contact Finish - Post - - - -
Style - - - -
Contact Shape - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Insulation Material - - - -
Series - - - -
Material Flammability Rating - - - -
Applications - - - -

G125-MV10605L0R Datasheet PDF

Download G125-MV10605L0R pdf datasheets and Harwin Inc. documentation for G125-MV10605L0R - Harwin Inc..

PCN Design/Specification
Cylindrical Battery Holders.pdf
HTML Datasheet
G125 Spec Sheet.pdf
Environmental Information
Harwin REACH.pdf

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    Sep 22, 2026

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    Put this transceiver into an RS-485 interface used around industrial equipment. Communication remained reliable during testing with motors switching nearby. Good result for the replacement board.

  • Logi***b_Chris
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  • Circ***FixerTom
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    Used this rectifier in a high-current power supply repair. Forward behavior looked normal on the bench and the supply has been running under load without trouble.

  • Retr***UWorks
    Aug 31, 2026

    Needed the exact ST10F269Z2Q6 for servicing an older control unit. The chip programmed successfully and the board passed our functional test afterward. Much easier than redesigning around a newer MCU.

  • Andr***PCBLab
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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.

  • Leat***O'Keefe
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    one of my hobbies is skydiving. and when i'm skydiving this works great.

  • Ilen***
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2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
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G125-MV10605L0R Image

G125-MV10605L0R

Harwin Inc.
98D-G125-MV10605L0R

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