1.27mm pitch connectors with twin beam female contacts and solid pin males Harwin M55 8206842 series
Product Overview
A range of 1.27mm (0.05) pitch connectors, designed for board-to-board and cable-to-board connections. These connectors feature shrouded male and female configurations, with socket connectors utilizing twin-beam female contacts that mate to solid pin male connectors. All board mount connectors are double row, Surface Mount, and supplied in tape-and-reel packaging with pick-and-place caps. They include location pegs for PCB placement assistance and SMT side tabs for enhanced peel strength and strain relief. Available in Vertical and Horizontal orientations, Vertical connectors offer three height options, enabling parallel board-to-board (mezzanine), right-angle motherboard-to-daughterboard, and co-planar/edge-to-edge layouts. All housings incorporate polarization. IDC female connectors are double row, available individually or horizontally mounted to PVC ribbon cable. Housings feature a latch for secure mating.
Product Attributes
- Brand: HARWIN
- Series Code: M55
- Pitch: 1.27mm (0.05)
- Certifications: UL94V-0 (Housing & Cap, Latch Cover)
Technical Specifications
| Specification | Details | PCB Connectors (M55-6XX, M55-7XX) | Cable Connectors (M55-8XX) |
|---|---|---|---|
| Materials | Contacts | Phosphor Bronze | Phosphor Bronze |
| Finish | Gold finish on contact area, 100% Tin on terminations, all over Nickel | Gold finish on contact area, 100% Tin on terminations, all over Nickel | |
| Housing & Cap | LCP, UL94V-0 | LCP, UL94V-0 | |
| SMT Side Tabs | Brass, 100% Tin over Nickel finish | N/A | |
| Latch Cover | N/A | PA66, UL94V-0 | |
| Spring | N/A | Stainless Steel | |
| Cable | N/A | PVC, UL2678, 30AWG | |
| Electrical Characteristics | Current Rating | 1.2A max per contact | 0.5A max per contact |
| Voltage Rating | 100V AC | ||
| Dielectric Withstanding Voltage | 500V AC for 1 minute (EIA-364-20C, Method B) | ||
| Contact Resistance (Initial) | 25m max (EIA-364-23B) | ||
| Contact Resistance (After Conditioning) | Additional 10m max variation (EIA-364-23B) | ||
| Insulation Resistance | 10G min | 1G min (EIA-364-21C) | |
| Environmental Characteristics | Operating Temperature Range | -55C to +125C | -20C to +105C |
| Vibration | 10-2000Hz, 20G peak, 1.52mm amplitude, 4 hours each axis, 12 hours total (EIA-364-28D, Condition IV) | ||
| Thermal Shock | -55C to +125C, 10 cycles, 30 mins each extreme (EIA-364-32C, Condition III) | -20C to +105C, 10 cycles, 30 mins each extreme (EIA-364-32C, Condition III) | |
| Temperature Life | +125C, 96 hours (EIA-364-17B, Method A) | +105C, 96 hours (EIA-364-17B, Method A) | |
| Humidity | 90-95% RH at +40C for 96 hours (EIA-364-31B, Condition A) | ||
| Salt Spray | 24 hours at +35C, 5% concentration (EIA-364-26B) | ||
| Solderability | +2455C for 50.5 seconds (EIA-364-52) | N/A | |
| Soldering Heat Resistance | +260C for 10 seconds max | N/A | |
| Mechanical Characteristics | Durability | 500 operations (EIA-364-09C) | |
| Insertion Force (initial per contact) | 0.8N max (EIA-364-13C) | ||
| Withdrawal Force (per contact) | 0.2N min (EIA-364-13C) | ||
| Contact Retention in housing | 3.9N min per contact (EIA-364-29C) | ||
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.