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The 1.27mm dual row SMT female header 4.3mm base height is a fine-pitch, low-profile receptacle with gold-over-nickel phosphor bronze contacts and PA9T UL94V-0 housing, rated 1.0A per pin and 500V AC/DC for reliable high-density SMT board-to-board connections.
Applications:
Compact embedded computing and controller modules
High-density data and control interfaces on multilayer PCBs
Signal socketing in IoT, handheld and portable electronics
Surface-mount board stacking where vertical height is limited
Highlights:
1.27mm dual row SMT female header, 38 positions, vertical orientation
Low-profile 4.3mm base / 4.6mm height above PCB for dense layouts
Phosphor bronze contacts with gold over nickel on mating and solder areas
Electrical ratings: 1.0A/contact, ≤20mΩ contact resistance, ≥1000MΩ insulation, 500V AC/DC withstand
PA9T UL94V-0 flame-retardant housing; operating range -40°C to +105°C
IR-reflow capable: 260°C for 10s or 230°C for 30–60s, tape & reel packaging
Series supports versions with or without PCB locating posts; this part is supplied without locator post
1.27mm dual row SMT female header is a fine-pitch, surface-mount receptacle designed for high-density board-to-board signal interconnects. This 1.27mm dual row SMT female header provides two parallel rows of square contacts on a 1.27mm (.050″) grid, with SMT pad dimensions of approximately 0.50 × 0.15mm to match standard reflow footprints. The 38-circuit configuration delivers a compact solution for dense multilayer PCBs where vertical height and footprint must be tightly controlled.
| General | |||
| Status | Active | Category | PCB Headers and Receptacles |
| Series | DW-FH-2127238WV22P-01TR-XX | Description | 1.27mm Pitch Dual Row Female Header, SMT Type, 4.3mm Base Height, Gold Over Ni Contacts, Tape & Reel Packaging |
| Application | Board-to-Board, Signal, Wire-to-Board | Component Type | Connector Assembly |
| PCB Connector Type | PCB Mount connector | UPC | — |
| Keywords | Board-to-Board connector, SMT Pin Header, Female Header, Header connector, Dual Row Pin Header, Low Profile Connector, Surface Mount Connector, Electronic Connector | Connector & Contact Terminates to | Printed Circuit Board |
| Electrical | |||
| Rated Voltage | 500V AC/DC | Current Rating | 1.0A |
| Contact Resistance | ≤20mΩ Max | Insulation Resistance | ≥1000MΩ Min |
| Dielectric Withstanding Voltage | 500V AC/DC | Norm | — |
| Physical | |||
| Breakaway | No | Circuits (Number of Positions) | 38 |
| Circuits (Maximum) | — | Color – Housing | Black |
| Durability (mating cycles max) | — | Flammability | UL94V-0 |
| Glow-Wire Capable | No | Lock to Mating Part | No |
| Material – Metal | Phosphor Bronze | Material – Plating Mating | Gold over Ni |
| Material – Plating Soldering Area | Au/Ni | Material – Resin | Polyester (PA9T) |
| Metal Shape & Form | Square Pin | Number of Rows | 2 |
| Connector Orientation | Vertical / Straight | Packaging Type | Tape & Reel |
| PCB Locator | No | PCB Retention | No |
| PC Tail Length | SMT Pads | Pitch – Mating Interface | 1.27mm |
| Plating min – Mating | 0.76μm (30μ”) | Plating min – Termination | 0.76μm |
| Polarized to Mating Part | No | Polarized to PCB | No |
| Shrouded | No | Stackable | No |
| Operating Temperature | -40° to +105°C | Termination Interface Style | Surface Mount |
| Square Terminal Post & Tail Dimension | Pin 0.5×0.15mm | PCB Mount Retention | W/O |
| PCB Mount Alignment | W/O | Connector Mounting Type | PCB Mount |
| PCB Thickness (Recommended) | 1.57mm | Row-to-Row pitch | 1.27mm |
| Net Weight | — | Height of connector above PCB | 4.6mm |
| Solder Process Data | |||
| Max-Duration | 30~60 sec | Lead-Free Process Capability | IR-Reflow |
| Max-Cycle | 1 | Max-Temp | 260°C for 10s / 230°C for 30–60s |
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