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9A0824G401 - 80x25mm 24VDC 53 CFM Tach Fan | Sanyo Denki
The Sanyo Denki 9A0824G401 is a 80 mm x 80 mm x 25 mm DC axial fan (San Cooler 80 9A type) delivering 53.0 CFM (1.48 m³/min) of airflow from a 24 VDC supply, with a third tachometer wire for closed-loop speed monitoring and fault feedback to host controllers. The fan uses a dual-ball bearing system rated for long-life operation at the rated 24 V (operating range 12 V to 26.4 V per the datasheet), and ships with three wire leads for power plus tach output. A DC axial fan is a brushless motor-driven impeller that moves air parallel to the shaft; this category sits within the broader cooling solutions hierarchy: DC fan -> axial fan -> cooling fan -> thermal management -> electromechanical component. Because this part carries a tachometer output, it falls into the "intelligent fan" sub-class used in systems where the host must know whether the fan is actually spinning rather than just commanding it to start. Key features include the 80 mm square frame, 25 mm thickness, 53.0 CFM airflow at 40 dB(A) noise, dual-ball bearing construction, and a rated MTBF consistent with the San Ace 80 line. The three-wire interface exposes VCC, GND, and a tachometer (FG/RD) signal so an FPGA, MCU, or supervisor can detect stall conditions and trigger system shutdown or throttling. Typical applications include 1U/2U rack-mount servers, telecom base-station and switching equipment, industrial inverters and PLCs, medical imaging chassis, and any 24 V-brushless application where cooling telemetry is required. Designers select this fan when 24 V is the available rail and a tach signal must feed a supervisory circuit for thermal safety. When designing with this part, route the tach signal away from switching power stages and place a small RC filter (typ. 1 kΩ + 1 nF) at the controller input. The datasheet operating range of 12 V to 26.4 V permits use on 12 V systems at reduced airflow, but the rated airflow and noise figures are specified only at 24 V.
A9KV-V2-FAN - Fan Tray with Filter for ASR 9000v-V2 | Cisco
The Cisco A9KV-V2-FAN is a Version 2 fan tray with integrated dust filter, designed as a field-replaceable cooling unit for the Cisco ASR 9000v-V2 edge shelf and for ASR 9006/9010 chassis equipped with PEM Version 2 power entry modules. It maintains optimal airflow and thermal performance in demanding edge and access deployments. A fan tray (also called a fan module, blower assembly, or cooling module) is an electromechanical subsystem within network equipment that circulates air across line cards, power supplies, and backplanes. In the broader system hierarchy, it belongs to the chassis thermal management layer of a router platform, alongside power entry modules (PEMs) and supervisory components. Because routers dissipate hundreds of watts, forced-air cooling is a critical reliability function rather than an accessory. Key characteristics of the A9KV-V2-FAN include its integrated dust filter, which protects internal components in harsh edge environments such as street cabinets and remote points of presence; its field-replaceable-unit (FRU) design, which allows hot-swap maintenance without chassis shutdown; and its Version 2 airflow design matched to the ASR 9000v-V2 chassis thermal profile. Distributors list it as UNSPSC 40101604 (fans and cooling assemblies). According to the Cisco ASR 9000v data sheet, the ASR 9000v and ASR 9000v-V2 operate as extension shelves of the Cisco ASR 9000 Series Aggregation Services Routers using nV (network virtualized) satellite technology, and can be deployed adjacent to or remotely from their host router. In such remote deployments, the fan tray is a primary serviceability item: replacing a failed tray with the filter-equipped V2 unit restores designed airflow and extends hardware longevity. Typical deployments include carrier edge and access aggregation, mobile backhaul sites, and high-density port extensions where the ASR 9000v-V2 shelf sits far from the host ASR 9000 chassis. Network operators keep spare fan trays on hand to meet MTTR targets. When ordering, note that the bare MPN A9KV-V2-FAN and the spares-orderable code A9KV-V2-FAN= refer to the same hardware; verify chassis generation (V1 vs V2) and PEM version before purchase. Confirm the dust filter is seated correctly during installation to avoid airflow bypass. This page synthesizes distributor pricing, chassis compatibility data, and practical deployment notes not found in a single manufacturer document.
FFANTRAY-MX480-HC-BB - MX480 High Capacity Fan Tray | Juniper
The Juniper Networks FFANTRAY-MX480-HC-BB is a high-capacity fan tray (base bundle configurable option) for the MX480 5G Universal Routing Platform, featuring six fans in a vertically mounted tray that installs at the rear of the MX480 chassis alongside an air filter. A fan tray is an electromechanical cooling subsystem - part of the broader thermal management hierarchy that spans fans, blowers, heatsinks, and airflow management within networking hardware. In carrier-class edge routers such as the MX480, the cooling system (fan tray plus air filter) works as an integrated unit to keep all line-card, switching-control, and power-supply components within their acceptable operating temperature range. Key characteristics of the FFANTRAY-MX480-HC-BB include its six-fan configuration for high airflow, its high-capacity rating that satisfies the cooling requirements of high-density DPC (Dense Port Concentrator) and MPC (Modular Port Concentrator) deployments, and its front-accessible vertical installation at the rear of the chassis for simplified serviceability. The high-capacity designation distinguishes it from lower-airflow fan tray options, supporting fully populated MX480 configurations used in service provider and data center environments. Because the fan tray is a field-replaceable unit (FRU), it can be hot-swapped during maintenance windows without powering down the router, and the Juniper MX480 chassis management system monitors fan tray status and airflow. The companion polyurethane air filter should be inspected and replaced periodically to maintain cooling efficiency. Typical deployments include service provider edge and broadband multiplay gateways, high-speed VPN and business Ethernet transport, data center interconnect, campus core routing, and mobile service core applications where the MX480 is configured with high-power MPC line cards that demand maximum cooling capacity. Design and maintenance consideration: always pair the high-capacity fan tray with a clean air filter, and verify that the MX480 chassis configuration (DPC/MPC mix) actually requires high-capacity cooling - lower-density configurations may be adequately served by the standard fan tray option. Store spare polyurethane filters at 40-80% relative humidity and 4 C to 32 C per Juniper documentation. This page consolidates distributor availability, drop-in alternative SKUs, and practical cooling-system maintenance guidance drawn from Juniper's official MX480 hardware documentation - information not found on any single distributor listing.
FFANTRAY-MX480-HC-S - MX480 High Capacity Fan Tray | Juniper
The Juniper Networks FFANTRAY-MX480-HC-S is a high-capacity fan tray spare for the MX480 5G Universal Routing Platform, containing six fans in a vertically rear-mounted tray that maintains all router components within their acceptable operating temperature range. A fan tray is a field-replaceable cooling subsystem used in chassis-based network equipment. In the power-management hierarchy of a router chassis, the cooling system sits alongside the power supply modules and air filter as shared infrastructure: it removes heat generated by routing engines, switching control boards (SCBs), and Modular Port Concentrators (MPCs), while the air filter prevents dust ingress. Fan trays are hot-swappable so cooling redundancy is preserved during replacement. Key characteristics of the FFANTRAY-MX480-HC-S include its six-fan architecture, high-capacity airflow rating for high-power configurations, and rear vertical installation in the MX480 chassis. According to the Juniper MX480 cooling system documentation, the router supports one fan tray plus one air filter, and the high-capacity version is required for chassis populated with next-generation, high-power MPC line cards. The high-capacity designation matters because dense MX480 configurations running 400G-class MPCs dissipate substantially more heat than base bundles. Deploying the HC fan tray ensures thermal compliance and chassis stability under maximum load, supporting continuous cooling for carrier-edge deployments in dense points of presence (POPs). Typical applications include MX480 spare-parts stocking for carriers and ISPs, data center edge routing, and VPN or broadband multiplay service platforms. Network operators keep the -S (spare) SKU on hand so a failed fan tray can be replaced immediately without waiting on RMA cycles. When installing, verify your MX480 configuration requires high-capacity cooling; a standard-capacity fan tray cannot adequately cool high-power MPC builds. Confirm airflow direction matches the installation environment and always keep the air filter maintained alongside the fan tray. This page synthesizes distributor availability, same-chassis alternatives, and practical deployment guidance not consolidated in the Juniper hardware guide alone.
MEC0252V1-000U-A99 - 24V 120mm Vapo-Bearing DC Fan | Sunon
The Sunon MEC0252V1-000U-A99 is a 24 VDC brushless axial cooling fan measuring 120 mm square by 25 mm deep, with a Vapo-Bearing motor, two-wire leads, and auto-restart operation. It delivers 108.2 CFM (3.03 m³/min) airflow and up to 0.28 inches of water static pressure, making it suitable for enclosure cooling and forced-air thermal management. An axial DC fan is an air-moving device that creates pressure and airflow along its rotational axis. In thermal-management systems, it belongs to the hierarchy of cooling equipment: fan -> axial fan -> DC brushless fan -> electronic thermal-management component. Unlike a centrifugal blower, this square axial fan moves air through the fan face and is designed for mounting against a panel, grille, or equipment opening. The MEC0252V1-000U-A99 combines a compact 120 x 120 x 25 mm format with 24 VDC operation and Vapo-Bearing technology. Its two-wire configuration is intended for basic power connection without tachometer or PWM speed-control feedback. The auto-restart feature supports recovery after a stalled or obstructed rotor condition, helping maintain cooling protection in industrial and commercial equipment. The fan is specified at 108.2 CFM airflow and 0.28 inches H2O static pressure according to distributor listings. Sunon performance testing is described using an exhaust method with a double chamber in accordance with AMCA 210 or DIN 24163. These test conditions help engineers compare fan curves, although system resistance and airflow direction should still be verified in the final mechanical design. Typical uses include control-panel ventilation, power supplies, industrial equipment cabinets, test equipment, and electronics enclosures. The 24 V supply is common in industrial systems, telecom equipment, and embedded electronics. The two-wire lead arrangement simplifies installation, but applications requiring fan-speed monitoring or variable-speed control should choose a model with tachometer or PWM leads. Mechanical fit, airflow direction, connector details, and operating limits must be checked against the applicable Sunon datasheet before production. In particular, verify the exact mounting-hole pattern and confirm that the enclosure can accept the fan’s 25 mm depth and airflow direction. For design support, compare airflow at the actual system pressure rather than using free-air CFM alone. This page consolidates verified distributor specifications, application context, and engineering selection considerations for the MEC0252V1-000U-A99. It is intended to help engineers identify whether this 24 V, 120 mm Vapo-Bearing fan is suitable for a given thermal-management design and to locate the authoritative manufacturer documentation.
NCS-5001-FN-BK - NCS 5001 Fan Tray Back-to-Front | Cisco
The Cisco NCS-5001-FN-BK is a fan tray (fan module) for the Cisco Network Convergence System 5001 router, providing back-to-front airflow cooling in the NCS 5000 Series 1 RU dense 10/100 Gigabit Ethernet aggregation platform. It is a field-replaceable unit (FRU) designed specifically for the NCS 5001 chassis. A fan tray is a cooling subsystem within the network equipment hierarchy: cooling assembly -> thermal management FRU -> router hardware -> access/aggregation routing platform. Its role is to force air through the chassis so line-card CPUs, NPUs, PHYs, and power components stay within their rated junction temperatures, sustaining continuous service-provider operation. Key characteristics include the back-to-front airflow direction (denoted by the BK suffix), hot-swap serviceability, and native integration with the NCS 5001 chassis environmental monitoring, which reports fan speed and thermal status to Cisco IOS XR Software. Because the tray matches the chassis airflow scheme, mixed airflow deployments must be avoided to prevent recirculation hotspots. The NCS 5001 and NCS 5002 are small form-factor dense GE/10GE aggregation systems powered by Cisco IOS XR, offering telemetry, machine-to-machine interfaces, and third-party application hosting. In such high-density systems, the fan tray is a critical reliability component; according to the Cisco NCS 5000 Hardware Installation Guide, the fan tray is designed to be removed and replaced while the system is operating without causing electrical hazard or damage if replacement is performed within five minutes. Typical applications include service provider access and aggregation networks, MPLS-enabled data center interconnect, and high-bandwidth mobile, video, and cloud service delivery using the NCS 5001 chassis. Design and procurement consideration: confirm the airflow direction of your chassis before ordering - the BK (back-to-front) version must not be mixed with front-to-back versions in the same or adjacent racks. This page synthesizes distributor pricing, airflow-direction variants, and practical replacement guidance not found in a single Cisco document, giving procurement and network engineering teams a consolidated source.
NCS-5001-FN-FR - NCS 5001 Fan, Front-to-Back Airflow | Cisco
The Cisco NCS-5001-FN-FR is a front-to-back airflow fan unit designed as the field-replaceable cooling module for the Cisco Network Convergence System 5001 (NCS 5001) router. It is a 1RU chassis fan assembly that mounts in the NCS 5001 dense 10/100 Gigabit Ethernet aggregation router, moving air from the front of the chassis to the back to dissipate heat generated by the NPU, forwarding ASICs, and power supply under full line-rate traffic. The trailing '=' spare SKU (NCS-5001-FN-FR=) is the orderable spare-part configuration, and the -RF suffix designates Cisco Remanufactured stock. A chassis fan module is an electromechanical thermal-management subsystem within the broader network hardware hierarchy: fan assembly -> thermal management subsystem -> network router -> service provider aggregation platform. In high-density routing platforms such as the Cisco NCS 5000 Series, redundant cooling is mandatory because these routers are specified for continuous operation in service provider access and aggregation networks where a thermal event can take an entire aggregation ring offline. Key characteristics of the NCS-5001-FN-FR include dedicated front-to-back airflow direction that must match the chassis airflow scheme and the installed power supplies, shrouded fan-blade design that lets air flow over a greater area for effective cooling (as described by Cisco's spare-part documentation), and hot-swap field replacement so the fan tray can be exchanged without powering down the router. The unit weighs approximately 2.15 lbs (0.98 kg) per distributor data and is covered by a 3-year warranty from select resellers. Technically, the fan tray operates under the control of the NCS 5001 chassis supervisor, which monitors fan speed and reports thermal status through Cisco IOS XR Software telemetry. Mismatched airflow direction (installing a front-to-back fan in a back-to-front chassis) is a common field error that triggers environmental alarms and can void thermal specification compliance. Typical applications include service provider access and aggregation POPs, MPLS-enabled data center edge deployments, mobile backhaul aggregation sites, and any NCS 5001 installation requiring a replacement or spare cooling module. When replacing this module, verify the airflow arrow on the fan tray matches the direction printed on the chassis and PSU faces before insertion. This page synthesizes distributor pricing, Cisco spare-part cross-SKU variants, and airflow-orientation guidance not consolidated in any single Cisco datasheet.