1.25mm Pitch Connector Harwin G125-4520000B with High Reliability and Durable Thermoplastic Housing

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Product Description

Product Overview

The Gecko G125 Series from Harwin offers 1.25mm pitch high-reliability rectangular connectors designed for various interconnecting applications including cable-to-cable, cable-to-board, and board-to-board. These fully shrouded, unsealed connectors are available in three non-intermateable variants: Gecko-SL (Screw-Lok) with floating screws for robust interconnection, Gecko-MT (Mixed Technology) featuring both signal and power contacts, and the original Gecko Latch design with easy-release locking latches. They are ideal for applications requiring secure and reliable connections, with options for backpotting for enhanced strain relief and sealing. All contacts are gold-plated for high performance and longevity.

Product Attributes

  • Brand: Harwin
  • Series: Gecko G125
  • Pitch: 1.25mm
  • Contact Plating: Gold
  • Housing Material: 30% Glass Filled Thermoplastic, UL94 V-0
  • Certifications: UL94 V-0

Technical Specifications

CharacteristicSpecificationStandard/Test Condition
MaterialsPower Contact: Beryllium Copper, Gold over Nickel
Female Signal Contact: Beryllium Copper, Gold over Nickel
Male PCB Signal Contact: Phosphor Bronze, Gold over Nickel
Male Cable Signal Contact: Brass, Gold over Nickel
Housing: 30% Glass Filled Thermoplastic, UL94 V-0
Latches: Copper-Nickel-Tin alloy, Tin over Nickel finish
Screw-Lok fixings: Stainless Steel
Metal Backshells: Aluminium 6061-T6, High Phosphorus Nickel finish
Potting Compound: Stycast 2651MM with Catalyst 9
Current Rating (Signal Contact)2.8A max (one contact loaded, 25C ambient)
2.0A max (per contact, all contacts loaded, 25C ambient)
EIA-364-70A: 1998
Current Rating (Signal Contact on Flex Circuit)0.4A max (one contact loaded, 25C ambient)EIA-364-70A: 1998
Current Rating (Power Contact)10.0A max (per contact, all contacts loaded, 25C ambient)EIA-364-70A: 1998
Working Voltage450V DC or AC peak (sea level)
250V DC or AC peak (21,336m/70,000ft)
Voltage Proof600V DC or AC peak (sea level)
350V DC or AC peak (21,336m/70,000ft)
EIA-364-20C: 2004
Contact Resistance20m max (Initial)
25m max (After conditioning)
EIA-364-06C: 2006
Insulation Resistance10G min at 500V DC (Initial)
>1G min at 500V DC (After conditioning, excluding Salt Mist)
EIA-364-21C: 2000
Creepage Distance (contact-to-contact)0.15mm min
Clearance Distance (contact-to-contact)0.15mm min
Humidity65/150/56 days at 93% RHEIA-364-31B: 2000
Temperature Range-65C to +150C (5 cycles)EIA-364-32C: 2000 Test Cond. IV
Temperature Life+150C5C without loadEIA-364-17B: 1999 Test Cond. X Method A
Salt Mist48 hours continuous exposureEIA-364-26B: 1999 Test Condition B
Vibration Severity10Hz to 2,000Hz, 1.5mm, 198m/s (20G), 2 hour durationEIA-364-28D: 1999 Test Cond. IV
Shock Severity981m/s (100G) for 6ms (Z axis)
490m/s (50G) for 11ms (X & Y axes)
EIA-364-27B: 1996 Test Cond. E
Bump Severity390m/s (40G), 4,00010 Bumps
Acceleration Severity490m/s (50G)EIA-364-01A: 2000
Durability (contacts)1,000 operations
Durability (latches)100 operations
Insertion Force (Signal Contact)2.8N max (using mating contact)
Insertion Force (Power Contact)7.0N max (using mating contact)
Withdrawal Force (per contact)0.2N min (using mating contact)
Contact Retention in Housing6.0N min (all contact types)
Screw-Lok Retention in Housing20.0N min
Latch Retention in Housing4.0N min
Screw-Lok Torque16 to 18cmN
Signal Contacts Wire Type (recommended)BS 3G 210 type A, MIL-W-16878/6 type ET or NEMA HP3 type ET
Signal Contacts Max Insulation Diameter0.84mm
Signal Contacts Insulation Strip Length1.50-1.75mm
Signal Contacts Recommended ToolingHand Crimp Tool Z125-900, Positioner Z125-901, Insertion/Removal Tool Z125-902
Signal Contacts AWG Wire Size26 (7/0.15mm), 28 (7/0.13mm), 30 (7/0.10mm), 32 (7/0.08mm)
Power Contacts Wire Type (recommended)M22759/11-18 PTFE (MIL-W-22759/1

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Company Hefei Purple Horn E-Commerce Co., Ltd.
Location Room 1306B, Building A, Xindi Center, Qimen Road, Hefei City, Anhui Province
Contact Person Sellina

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