Card Racks

Part Number	Description / PDF	Quantity
3684020 Wakefield-Vette	SUBRACK VARIO 3U/84HP/185MM	1
24563443 Schroff / nVent	SUBRACK FOR 19" 6U 84HP 295MM	1
3684021 Wakefield-Vette	SUBRACK VARIO 3U/84HP/225MM	3
24563145 Schroff / nVent	SUBRACK FOR 19" 3U 84HP 415MM	0
24563442 Schroff / nVent	SUBRACK FOR 19" 6U 84HP 235MM	0
CCK160-6U Vector Electronics & Technology, Inc.	CARD RACK FRAME KIT VME 6UX160MM	0
24563435 Schroff / nVent	SUBRACK FOR 19" 6U 84HP 415MM	0
CCA28-16-0010 Vector Electronics & Technology, Inc.	SPACING SPEC SIDEWA 6.8X1.2"	1
24563164 Schroff / nVent	SUBRACK FOR 19" 3U 84HP 355MM	0
3688114 Wakefield-Vette	SUBRACK ECO 3U/84HP/175 MM	4
CCA27-44-00 Vector Electronics & Technology, Inc.	CARD RACK COMPACT PCI 3UX12X9	0
24563457 Schroff / nVent	SUBRACK FOR 19" 6U 84HP 275MM	0
24563461 Schroff / nVent	SUBRACK FOR 19" 6U 84HP 175MM	0
24563445 Schroff / nVent	SUBRACK FOR 19" 6U 84HP 415MM	0
3684025 Wakefield-Vette	SUBRACK VARIO 3U/84HP/405MM	0
24563452 Schroff / nVent	SUBRACK FOR 19" 6U 84HP 235MM	0
CCK13S/90 Vector Electronics & Technology, Inc.	CARD RACK KIT EIA 3UX19X9 SNAPIN	3
24563433 Schroff / nVent	SUBRACK FOR 19" 6U 84HP 295MM	0
3684036 Wakefield-Vette	SUBRACK VARIO 3U/84HP/245MM	5
24563436 Schroff / nVent	SUBRACK FOR 19" 6U 84HP 475MM	3

Card Racks

1. Overview

Card Racks are modular mechanical frameworks designed to securely mount and interconnect printed circuit boards (PCBs), electronic modules, and subsystems. As standardized infrastructure in electronics systems, they enable efficient assembly, maintenance, and scalability. Their importance spans across telecommunications, data centers, industrial automation, and military equipment by providing structural integrity and thermal/electromagnetic management.

2. Major Types and Functional Classification

Type	Functional Features	Application Examples
Standard 19" Racks	Complies with IEC 60297/2110 standards, universal mounting holes (0.625" spacing), fixed dimensions	Telecom switches, server farms
Compact PCI Racks	Supports cPCI/ATCA architectures, enhanced cooling channels, hot-swappable design	Telecom base stations, industrial controllers
Modular Hybrid Racks	Customizable slot configurations, mixed backplane compatibility (VME/VXS/PXIE)	Test & measurement systems, R&D labs
Reinforced Military Racks	MIL-STD-810G compliance, shock/vibration resistance, sealed enclosures	Aerospace avionics, radar systems

3. Structure and Components

Typical construction includes:

Aluminum alloy or steel frame with anodized/zinc-coated surface treatment
Adjustable mounting rails with 0.25" pitch positioning slots
Integrated cable management troughs (front/rear routing channels)
Thermal management: variable-speed fans, heat sinks, or liquid cooling channels
EMI shielding gaskets and grounding lugs
Standard 19" width (482.6mm) with 1U (44.45mm) height increments

4. Key Technical Specifications

Parameter	Description	Importance
Mounting Hole Pattern	0.625" 0.01" spacing, M4/M6 threaded inserts	Component compatibility
Load Capacity	50-150 kg static load rating	Structural reliability
Thermal Dissipation	300-1500W cooling capacity	System uptime assurance
Vibration Resistance	15G shock (IEC 60068-2-27)	Harsh environment stability
Material Specifications	6061-T6 Aluminum/Steel Q235B	Corrosion resistance

5. Application Fields

Telecommunications: 5G base stations, optical transport networks
Data Centers: Server clusters, storage arrays (e.g., AWS/Azure infrastructure)
Industrial Automation: PLC control cabinets, SCADA systems
Military/Aerospace: Avionics systems, electronic warfare platforms
Medical Equipment: MRI scanners, digital radiography systems

6. Leading Manufacturers and Products

Manufacturer	Representative Product	Key Specifications
Panduit	19" Universal Rack Cabinet	1U-42U height options, 1500W cooling
Schroff	CompactPCI System Platform	ATCA-3.0 compliance, 12-slot capacity
Rittal	TS 8 Modular Rack System	IP55 rating, 190kg load capacity
Cisco	NCS 5500 Series Racks	High-density 100Gbps routing modules

7. Selection Recommendations

Key consideration factors:

Installation compatibility (IEC/EIA-310 standards compliance)
Future expansion capacity (minimum 20% spare slots)
Thermal management matching equipment power density
Environmental protection rating (IP42 for office, IP66 for outdoor use)
EMC certification (CE/FCC Part 15 Class A)
Total cost of ownership (material + installation + maintenance)

8. Industry Development Trends

Key trends include:

Miniaturization: 5G mmWave systems driving sub-3U form factors
High-density integration: 30+ boards per rack in AI accelerators
Smart monitoring: Embedded IoT sensors for vibration/temperature telemetry
Green design: Passive cooling adoption reducing energy consumption by 40%
3D customization: Additive manufacturing enabling complex geometry racks