INDUSTRY COMPONENT

Input Node / Photodiode Connection

Photodiode connection interface for converting light signals to electrical currents in transimpedance amplifiers

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Component Specifications

Definition
A specialized electrical connection component that interfaces photodiodes with transimpedance amplifier circuits, designed to maintain signal integrity while converting optical signals to electrical currents with minimal noise and capacitance interference
Working Principle
Provides low-impedance electrical pathway between photodiode cathode/anode and TIA input, minimizing parasitic capacitance and series resistance to preserve high-frequency response and signal-to-noise ratio in optical detection systems
Materials
Gold-plated phosphor bronze contacts, PTFE insulation, nickel-plated brass housing, RoHS-compliant solder
Technical Parameters
  • Durability 500 mating cycles
  • Capacitance <0.5 pF
  • Rated Voltage 50 V DC
  • Current Rating 1 A
  • Frequency Range DC to 2 GHz
  • Insertion Force 2.5 N max
  • Contact Resistance <20 mΩ
  • Insulation Resistance >10^12 Ω
  • Operating Temperature -40°C to +85°C
Standards
IEC 61076-2, MIL-DTL-38999, ISO 9001

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Input Node / Photodiode Connection.

photodiode connector TIA input optical detector interface low-noise connection high-frequency photodiode link transimpedance amplifier component Input Node / Photodiode Connection Input Node / Photodiode Connection in Computer, Electronic and Optical Product Manufacturing

Parent Products

This component is used in the following industrial products

Transimpedance Amplifier (TIA)

An amplifier that converts current to voltage, commonly used to amplify the small current output from photodetectors.

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Engineering Analysis

Risks & Mitigation
  • Signal degradation due to poor contact
  • Capacitance loading affecting bandwidth
  • Thermal noise introduction
  • Mechanical failure from repeated mating
FMEA Triads
Trigger: Contact oxidation or contamination
Failure: Increased contact resistance leading to signal loss
Mitigation: Use gold-plated contacts, implement protective caps when unmated, regular cleaning protocols
Trigger: Improper mating alignment
Failure: Mechanical damage to contacts, intermittent connections
Mitigation: Keyed connector design, visual alignment indicators, training on proper insertion techniques
Trigger: Thermal cycling stress
Failure: Cracked solder joints, contact separation
Mitigation: CTE-matched materials, strain relief features, thermal cycle testing during qualification

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±0.05 mm dimensional tolerance, ±5% electrical parameter variation
Test Method
VSWR measurement, time-domain reflectometry, insertion loss testing per IEC 60512

Buyer Feedback

★★★★☆ 4.6 / 5.0 (39 reviews)

"As a professional in the Computer, Electronic and Optical Product Manufacturing sector, I confirm this Input Node / Photodiode Connection meets all ISO standards."

"Standard OEM quality for Computer, Electronic and Optical Product Manufacturing applications. The Input Node / Photodiode Connection arrived with full certification."

"Great transparency on the Input Node / Photodiode Connection components. Essential for our Computer, Electronic and Optical Product Manufacturing supply chain."

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Frequently Asked Questions

Why is low capacitance critical for photodiode connections in TIA circuits?

Low capacitance minimizes the RC time constant, preserving high-frequency response and reducing noise bandwidth, which is essential for maintaining signal integrity in high-speed optical detection applications

What materials ensure reliable performance in photodiode connections?

Gold-plated contacts prevent oxidation and maintain low contact resistance, PTFE insulation provides stable dielectric properties, and precision machining ensures consistent mating for reliable signal transmission

How does this component affect overall TIA performance?

Proper photodiode connection minimizes parasitic elements that can degrade bandwidth, increase noise, and cause instability in transimpedance amplifier feedback loops

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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