2.54mm right angle double row DIP 40pin connectors

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Summary

The 2.54mm pitch right angled dual row DIP40 pin connector is a classic direct insertion connector in electronic devices. It adopts the industry standard pin pitch of 2.54mm (0.1 inch) and a layout design of 40 pins in a double row of 2 × 20 pins. The center to center distance between the two rows of pins is 15.24mm, and the overall size is about 50.80 × 17.78mm. The 90 ° right angled structure is suitable for the horizontal through-hole installation (THT) of the circuit board, which can effectively optimize the wiring space and make the board layout more orderly.

Introduction

The 2.54mm pitch right angle dual row DIP40 pin connector is a classic direct insertion device that follows industry standards. It adopts a dual row 80 pin design, with pin spacing and row spacing of 2.54mm and 15.24mm respectively. The right angle structure is suitable for compact PCB layout, and stable installation is achieved through through-hole soldering (THT), with good anti vibration and impact performance. Its shell is made of UL94V-0 flame-retardant thermoplastic, and the terminals are commonly made of elastic materials such as beryllium copper and treated with tin/gold plating. The contact resistance is as low as 20m Ω or less, the rated current is 1-3A, the withstand voltage is 1000V AC, and the minimum insulation resistance is 1000M Ω. It can stably transmit power and signals. The working temperature usually ranges from -40 ℃ to 105 ℃, and high-end models can reach -65 ℃ to 125 ℃, suitable for multiple environmental requirements. With the advantages of convenient welding, simple maintenance, and strong compatibility, it is widely used in DIP40 packaged microcontrollers for PCB connection, FPGA core board adaptation, as well as inter board interconnection for industrial control, communication equipment, and educational experimental platforms. It is a basic device that balances reliability and practicality.

Feature

The 2.54mm spacing right angle dual row DIP40 pin connector is a commonly used electronic connection device that follows industry standard spacing. It adopts a dual row 80 pin design, with a pin to row spacing of 2.54mm. The right angle structure is suitable for compact PCB layout requirements and can be securely installed through through-hole soldering (THT). Its shell is mostly made of UL94V-0 grade flame-retardant high-temperature thermoplastic (such as PBT, polyester, etc.), which can withstand welding temperatures of 230 ℃ to 260 ℃. The terminals are mostly made of elastic materials such as phosphor bronze or beryllium copper, which are stamped and formed into double leaf or four finger contacts. The surface is tin plated or gold-plated, providing contact resistance as low as 10-20m Ω and rated current of 1A-3A. The minimum insulation resistance is 1000M Ω, and the withstand voltage value can reach 1000V AC, ensuring stable signal and power transmission. This type of connector has good environmental adaptability, with a working temperature range typically covering -40 ℃ to 105 ℃, and some high-end models can extend to -65 ℃ to 125 ℃.

Applications:

The 2.54mm pitch right angle dual row DIP40 pin connector, with its standardized spacing, multi pin resources, and right angle structure advantages, plays a key connecting role in multiple fields. In embedded systems, it is often used as the interface between PDIP-40 packaged chips such as microcontrollers (MCUs) and field programmable gate arrays (FPGAs) and PCBs, or as an extension peripheral for development boards such as Raspberry Pi, to achieve the transmission of serial communication signals such as power supply, GPIO, UART, I2C, etc; In the field of industrial automation, it is suitable for connecting control modules with sensors and actuators, and its wide temperature working characteristics and stable signal transmission capability can meet the requirements of complex environments; In consumer electronics and communication devices, it is used for inter board interconnection of functional modules (such as WiFi and Bluetooth modules), with a right angled design that adapts to a compact layout and is easy to manually weld and maintain in the future; At the same time, due to its clear pins and strong compatibility, it is widely used in the construction of experimental platforms for education and scientific research, as well as in scenarios such as medical imaging and audio-visual equipment that require medium complexity signal scheduling. It has become a basic connecting device that balances reliability and practicality.

Electro-Optical Characteristics

Pin count: 40 pins, arranged in a double row, with a total of 80 pins.

Spacing: The pin spacing is 2.54mm, and the row spacing is also 2.54mm.

Installation type: Usually direct insertion type (THT), suitable for installation on printed circuit boards (PCBs) through soldering.

Shell material: Common materials include PBT, PA6T, etc., with UL94V-0 flame retardant rating, and the color is generally black.

Welding temperature: If the shell material is PBT, the welding temperature is 230 ± 5 ℃ and the time is 5 ± 0.5 seconds; If it is PA6T, the welding temperature is 260 ± 5 ℃ and the time is 5 ± 0.5 seconds.

Rated current: Generally 3A, but there are also some models such as Hirose's HIF3FC-40PA-2.54DS (71) with a rated current of 1A.

Rated voltage: commonly 250V, there are also models that can reach 500V or higher.

Contact resistance: usually up to 20m Ω.

Insulation resistance: Generally, the minimum is 1000M Ω.

Voltage resistance value: commonly 1000V AC/1min, some models also have 500V AC.

Working temperature: Generally between -40 ℃ and+105 ℃, some models also have a working temperature range of -25 ℃ to+85 ℃.

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