Capacitor Networks, Capacitor Arrays | Buy Reliable Capacitors Online

Part Number	Description / PDF	Quantity
P21BNL300MA3976T Knowles DLI	CAP ARRAY 30PF 10000PF 10V X5R	1296
P21BNL300MA04282T Knowles DLI	CAP ARRAY 30PF 10V X5R 0201	107
P62BNL820MA2636 Knowles DLI	CAP ARRAY 82PF .1UF 10V X7R 0603	492
P62BNL820MA2636T Knowles DLI	CAP ARRAY 82PF .1UF 10V X7R 0603	169
P42BNL820MA3152T Knowles DLI	CAP ARR 82PF .22UF 10V X5R 0402	1606
P21BNL300MA04733T Knowles DLI	CAP ARRAY 30PF 10V X5R 0201	306
P62BNL820MA02636T Knowles DLI	CAP ARRAY 82PF 25V X7R 0603	783
P42BNL820MA3152 Knowles DLI	CAP ARR 82PF .22UF 10V X5R 0402	100

Capacitor Networks, Capacitor Arrays | Buy Reliable Capacitors Online

1. Overview

Capacitor networks and arrays are integrated assemblies of multiple capacitors within a single package. They provide compact solutions for managing electrical energy storage, filtering, and signal processing in electronic circuits. These components are critical in modern electronics for reducing PCB space, minimizing parasitic effects, and ensuring consistent performance across multiple channels. Their importance spans industries such as consumer electronics, automotive systems, and industrial automation.

2. Main Types and Functional Classification

Type	Functional Features	Application Examples
Monolithic Capacitor Arrays	Single-block construction with low parasitic inductance	High-speed digital circuits, RF filtering
Discrete Capacitor Networks	Individually addressable capacitors with shared packaging	Power management ICs, sensor interfaces
EMI/RFI Suppression Arrays	Optimized for noise filtering across multiple lines	Communication equipment, automotive ECUs
Tunable Capacitor Networks	Variable capacitance control via external signals	Adaptive tuning circuits, software-defined radios

3. Structure and Composition

A typical capacitor network consists of ceramic or polymer dielectric layers sandwiched between conductive electrodes. The assembly uses either:

Thin-film deposition for precision matching
Multilayer stacking for high capacitance density
Hybrid integration with passive/active components

Terminations use tin/copper alloys for solder compatibility, while encapsulation employs epoxy or silicon-based materials for environmental protection.

4. Key Technical Specifications

Parameter	Description	Importance
Capacitance Range	10pF to 100 F per element	Determines energy storage and filtering capability
Voltage Rating	2.5V to 100V DC	Defines operational safety margin
Capacitance Tolerance	1% to 20%	Affects circuit stability and precision
Equivalent Series Resistance (ESR)	0.1m to 10	Impacts power efficiency and thermal performance
Operating Temperature	-55 C to +150 C	Determines environmental robustness

5. Application Fields

Key industries utilizing capacitor networks include:

Consumer Electronics: Smartphones (power decoupling), laptops (VRM filtering)
Automotive: EV battery management systems, ADAS sensors
Industrial: Motor drive inverters, precision measurement equipment
Telecommunications: Base station transceivers, optical network modules

6. Leading Manufacturers and Products

Manufacturer	Representative Product	Key Features
Murata Manufacturing	EXO series capacitor arrays	0.01 F-10 F, 16V, 2% tolerance
TDK Corporation	CAPA series EMI filters	8-channel arrays, 100MHz-10GHz bandwidth
KEMET Electronics	TCN series tunable networks	40% capacitance adjustment range
Yageo Corporation	CA series high-voltage arrays	100V rating, AEC-Q200 automotive qualification

7. Selection Guidelines

Key considerations for capacitor network selection:

Match capacitance/voltage ratings to circuit requirements
Assess temperature coefficient and aging characteristics
Evaluate ESR/ESL for high-frequency performance
Verify package compatibility with PCB layout
Consider environmental certifications (automotive, aerospace)

8. Industry Trends

Emerging developments include:

Miniaturization: 01005-inch format capacitor arrays
High-density integration: Embedded capacitor networks in SiP modules
Advanced materials: Barium titanate alternatives for temperature stability
Smart capacitors: Integrated sensing and self-diagnosis capabilities
Environmental compliance: Halogen-free and RoHS-compliant packaging solutions

Market forecasts predict a CAGR of 6.8% from 2023-2030, driven by 5G infrastructure and electric vehicle demand.