855-83-105-20-001101 Connector: Description, Features, and Applications
What is the 855-83-105-20-001101?
Part number 855-83-105-20-001101 is a rectangular socket strip connector manufactured by Preci-Dip, featuring 105 positions in 3 rows. It is a right-angle through-hole connector with the female gender, designed for solder termination. The terminal pitch is 1.27 mm (0.050 inches), with a depth of 7.54 mm and an insulation height of 4.42 mm (0.174 inches). The housing is made of polychlorinated material, and the contacts are crafted from beryllium copper with a gold finish for mating.
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Electrically, the connector supports a rated current of 1 A, with a contact resistance of 20 mΩ and a dielectric withstanding voltage of 700 VAC. The insulation resistance is exceptionally high, at 10^10 Ω. It offers a durability of 500 cycles and is rated with an MSL of 1, indicating no limitations in moisture sensitivity. Additionally, it meets the UL94 V-0 flammability standard. This connector is ideal for compact electronic devices and circuit boards requiring reliable electrical connections.
Primary Features of 855-83-105-20-001101
The 855-83-105-20-001101 is a rectangular connector manufactured by Preci-Dip, designed for reliable board-to-board connections. Below are its primary features:
General Specifications
Connector Type: Socket Strip
Number of Positions: 105
Number of Rows: 3
Mounting Type: Through Hole, Right Angle
Contact Type: Female Socket
Termination Method: Solder
Pitch (Mating): 1.27 mm (0.050 inches)
Row Spacing (Mating): 1.27 mm (0.050 inches)
Material and Finish
Contact Material: Beryllium Copper
Contact Finish (Mating): Gold (29.5 µin / 0.75 µm thick)
Housing Material: Polycyclohexylenedimethylene Terephthalate (PCT), Glass-Filled Polyester
Housing Color: Black
Electrical Characteristics
Rated Current: 1 A
Contact Resistance: 20 mΩ
Insulation Resistance: 1010Ω
Dielectric Withstanding Voltage: 700 VAC
Mechanical and Environmental Features
Durability: 500 mating cycles
Operating Temperature Range: -55°C to +125°C
Flammability Rating: UL94 V-0 (high flame resistance)
Moisture Sensitivity Level (MSL): 1 (Unlimited)
Dimensions
Insulation Height: 4.42 mm (0.174 inches)
Contract Length (Post): 3.20 mm (0.126 inches)
Depth: 7.54 mm
855-83-105-20-001101 Specifications
| Specification | Details |
| Part Number | 855-83-105-20-001101 |
| Type | Socket Strip |
| Number of Positions | 105 |
| Number of Rows | 3 |
| Mounting Type | Through Hole, Right Angle |
| Contact Shape | Circular |
| Gender | Female |
| Termination Type | Solder |
| Terminal Pitch | 1.27 mm (0.050 inches) |
| Depth | 7.54 mm |
| Insulation Height | 4.42 mm (0.174 inches) |
| Housing Material | Polychlorinated |
| Contact Material | Beryllium Copper |
| Contact Finish (Mating) | Gold |
| Rated Current (Signal) | 1 A |
| Contact Resistance | 20 mΩ |
| Insulation Resistance | 10^10 Ω |
| Dielectric Withstanding Voltage | 700 VAC |
| Durability | 500 cycles |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Flammability Rating | UL94 V-0 |
Advantages of Using 855-83-105-20-001101
The 855-83-105-20-001101 connector offers several advantages that make it a preferred choice for various electronic applications. Here are the key benefits:

High Reliability: With a durability rating of 500 mating cycles, this connector ensures long-term performance and reliability in demanding environments.
Compact Design: The 1.27 mm pitch allows for a high density of connections in a compact form factor, making it ideal for space-constrained applications.
Versatile Mounting Options: The through-hole, right-angle mounting type provides flexibility in design and simplifies integration into different circuit board layouts.
Excellent Electrical Performance: Rated for 1 A current and featuring low contact resistance (20 mΩ), it ensures efficient signal transmission with minimal power loss.
Robust Insulation Properties: With an insulation resistance of 1010 Ω and a dielectric withstand voltage of 700 VAC, it provides excellent protection against electrical interference and ensures safety.
Wide Operating Temperature Range: Capable of operating between -55°C to +125°C, it is suitable for diverse environmental conditions, including extreme temperatures.
Gold-Plated Contacts: The gold contact finish enhances corrosion resistance and improves the reliability of connections over time, especially in humid or harsh environments.
Moisture Sensitivity Level (MSL) 1: This indicates that the connector can be stored indefinitely without special handling precautions, simplifying inventory management.
These advantages make the 855-83-105-20-001101 connector an excellent choice for applications in consumer electronics, telecommunications, automotive, and industrial equipment.
855-83-105-20-001101 Applications
The 855-83-105-20-001101 connector is widely used in various applications due to its design and specifications. Here are some common applications:
Consumer Electronics: Ideal for connecting components in devices such as smartphones, tablets, and laptops where space is limited.
Telecommunications Equipment: Used in networking hardware, routers, and switches for reliable board-to-board connections.
Automotive Electronics: Suitable for applications in vehicles, including infotainment systems and control units, where durability and reliability are crucial.
Industrial Automation: Employed in machinery and equipment control systems that require robust connections under harsh conditions.
Medical Devices: Utilized in medical equipment where high reliability and performance are essential for safety and functionality.
Home Appliances: These are commonly found in various household appliances that require efficient electrical connections.
The connector's compact size, high reliability, and excellent electrical performance make it versatile for these diverse applications.
855-83-105-20-001101 Equivalents
| Equivalents | Part Number | Type | Number of Positions | Pitch | Mounting Type | Additional Information |
| Molex | 51021-0500 | Socket Connector | 105 | 1.27 mm (0.050") | Through Hole | Similar design with matching pitch and positions |
| TE Connectivity | 1-173424-0 | Socket Strip Connector | 105 | 1.27 mm (0.050") | Right Angle, Through Hole | Right-angle mounting provides compact integration |
| Amphenol ICC (FCI) | 10112060-001 | Socket Connector | 105 | 1.27 mm (0.050") | Through Hole | A reliable option for various electronic board applications |
The 855-83-105-20-001101 connector has several viable equivalents and alternatives from trusted manufacturers, including Molex, TE Connectivity, and Amphenol ICC (FCI). These alternatives share key specifications such as the 105 positions, 1.27 mm pitch, and through-hole mounting, making them excellent substitutes in applications that require similar functionality. While these connectors are compatible in terms of basic features, it is crucial to verify specific application needs, such as mounting style (right angle or standard) and other factors like electrical ratings, to ensure full compatibility with your design. Always check datasheets and consult with the supplier for precise fitting and performance.
855-83-105-20-001101 Connector Compared to Other Similar Connectors
The 855-83-105-20-001101 connector can be compared to several similar connectors based on specifications, applications, and features. Here’s a comparison with a few notable alternatives:
Comparison of 855-83-105-20-001101 with Similar Connectors
| Feature/Specification | 855-83-105-20-001101 | Molex 51021-0500 | TE Connectivity 1-173424-0 | Amphenol ICC (FCI) 10112060-001 |
| Type | Socket Strip | Socket Connector | Socket Strip Connector | Socket Connector |
| Number of Positions | 105 | 100 | 100 | 100 |
| Number of Rows | 3 | 2 | 2 | 2 |
| Pitch | 1.27 mm (0.050 inches) | 1.27 mm (0.050 inches) | 1.27 mm (0.050 inches) | 1.27 mm (0.050 inches) |
| Mounting Type | Through Hole, Right Angle | Through Hole | Right Angle, Through Hole | Through Hole |
| Rated Current | 1 A | 1 A | 1 A | 1 A |
| Contact Resistance | 20 mΩ | Not specified | Not specified | Not specified |
| Insulation Resistance | 10^10 Ω | Not specified | Not specified | Not specified |
| Durability | 500 cycles | Not specified | Not specified | Not specified |
| Operating Temperature Range | -55°C to +125°C | -40°C to +105°C | -40°C to +105°C | -40°C to +105°C |
Key Insights
The 855-83-105-20-001101 offers the highest number of positions (105), making it suitable for applications requiring numerous connections.
All connectors have a similar pitch of 1.27 mm, which is standard for compact designs.
While the rated current is consistent across these connectors at 1 A, the contact and insulation resistance values are not always provided for alternatives, which may impact performance assessments.
The durability and operating temperature range are critical factors for applications in harsh environments, with the Preci-Dip connector offering a wider temperature range.
Working Principle of 855-83-105-20-001101
The 855-83-105-20-001101 connector operates on the principle of providing a reliable electrical connection between multiple circuit boards or components. Here’s an overview of its working principle:
Electrical Connection: The connector features multiple socket positions (105 in this case) arranged in a compact layout. Each socket allows for the insertion of a corresponding male connector, establishing an electrical connection.
Signal and Power Distribution: It is designed to distribute electrical signals and power across various components in electronic devices. When a male connector is inserted into the female sockets of the 855-83-105-20-001101, it completes the circuit, allowing current to flow.
Mechanical Stability: The right-angle configuration and through-hole mounting provide mechanical stability, ensuring that the connector remains securely attached to the printed circuit board (PCB). This design minimizes stress on the solder joints and enhances durability.
Contact Design: The connector uses circular contact shapes made from beryllium copper, which provides excellent conductivity and ensures a reliable connection. The gold plating on the contacts enhances corrosion resistance and maintains low contact resistance over time.
Insulation and Safety: The housing material is designed to provide electrical insulation, prevent short circuits, and ensure safety during operation. The insulation resistance is rated at 1010Ω, indicating high reliability against electrical leakage.
Temperature Range: The connector can operate within a wide temperature range (-55°C to +125°C), making it suitable for various environments, including industrial and automotive applications.
Overall, the 855-83-105-20-001101 connector functions as a robust interface for connecting multiple electronic components, facilitating efficient power distribution and signal transmission while ensuring mechanical stability and electrical safety.
Conclusion of 855-83-105-20-001101
The 855-83-105-20-001101 connector stands out as an ideal choice for applications requiring reliable electrical connections in compact designs. Its combination of high durability, excellent electrical performance, and versatility makes it suitable for a wide range of industries. As technology continues to advance, connectors like the 855-83-105-20-001101 will remain essential components in ensuring efficient and effective electronic systems.
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