VE-920244B - 24V 400W Isolated DC-DC Converter Module | Vicor
Référence : VE-920244B ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $285 | $285,00 |
| 10 | $256.5 | $2 565,00 |
| 50 | $228 | $11 400,00 |
| 100 | $205 | $20 500,00 |
| 250 | $182.5 | $45 625,00 |
VE-920244B Présentation
An isolated DC-DC converter is a power conversion device that transfers electrical energy between a DC input source and a DC output load while providing galvanic isolation, typically through a high-frequency transformer. Within the broader power management hierarchy, isolated DC-DC converters sit alongside non-isolated POL (point-of-load) regulators, LDOs, and DC-DC switching converters. They are essential in systems where safety isolation, ground loop elimination, or voltage level translation between domains is required. Vicor's VE-200 family occupies a leadership position in brick-style isolated converter modules used in defense, industrial, and high-end commercial applications.
Key specifications of the VE-920244B include 24V nominal output voltage, 16.6A continuous output current (400W total), and a wide input voltage range supporting 24V / 48V nominal bus systems. The module operates across an extended temperature range suitable for industrial and military environments and provides input undervoltage lockout, output overcurrent protection, and overtemperature shutdown. The through-hole mounting form factor supports robust mechanical attachment for high-vibration applications.
The VE-920244B utilizes Vicor's VI-HARM (Harmonic Attenuation Reaction Module) technology in related variants and benefits from the company's high-density power packaging. The converter's fixed switching frequency and proprietary control architecture minimize EMI signature, while the planar magnetic construction delivers consistent performance across temperature extremes. Engineers value the Vicor VE-200 series for its predictable behavior, comprehensive protection features, and long-term availability for military and aerospace programs.
Typical applications include industrial automation systems, telecommunications infrastructure, military and aerospace power systems, railway and transportation electronics, distributed power architectures in 24V/48V bus systems, and process control equipment requiring galvanic isolation between sensitive control circuitry and field-side power domains.
When designing with the VE-920244B, ensure adequate heatsinking through the baseplate and observe the derating curves provided in the Vicor datasheet. Input fusing and output filtering recommendations should be followed to meet system-level EMI and surge requirements. The module requires a minimum load to maintain regulation; verify this against your specific operating profile.
This page consolidates verified distributor pricing, parametric alternatives, and practical design guidance for the VE-920244B - synthesizing engineering information not aggregated in the manufacturer datasheet alone.
Alternatives de remplacement direct pour VE-920244B — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
VI-2X2-EVW
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
VE-9202412B
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
VE-2X2-EVW
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
VE-920244B Valeurs maximales et caractéristiques électriques
| Manufacturer | Vicor Corporation |
| Series | VE-200 (VI-200) |
| Topologie | Isolated DC-DC Converter (ZCS/ZVS forward) |
| Tension de sortie | 24 V nominal |
| Output Current | 16.6 A continuous |
| Output Power | 400 W |
| Rendement | >90% typical |
| Température de fonctionnement | -40C to +85C (extended industrial) |
| Package / Mounting | Through Hole (VI-200 form factor) |
| Protection Features | Input undervoltage lockout, output overcurrent, overtemperature shutdown |
| Fréquence de commutation | Fixed frequency (Vicor proprietary) |
| Cooling | Baseplate conduction / forced air |
| Niveau MSL | Not applicable (through-hole module) |
Configuration des broches de VE-920244B
| Broche 1 | +IN — Positive input power |
| Broche 2 | -IN — Input return / input ground |
| Broche 3 | GATE — Gate inhibit / enable control (Vicor VI-200 standard) |
| Broche 4 | +OUT — Positive output power (24V nominal) |
| Broche 5 | -OUT — Output return / output ground |
| Broche 6 | BASEPLATE — Baseplate / chassis ground (mechanical and thermal) |
Applications typiques
VE-920244B convient pour 6 applications: Industrial 24V Bus Distributed Power, Telecommunications Infrastructure Power, Military and Aerospace Power Systems, Railway and Transportation Electronics, Process Control and Instrumentation, Medical Equipment Power Subsystems.
Industrial 24V Bus Distributed Power
The VE-920244B's 400W continuous output at 24V/16.6A directly powers industrial PLCs, motor drives, sensor arrays, and HMI panels operating on a 24V industrial bus. Its isolated topology eliminates ground-loop noise between factory-floor power and sensitive control electronics, while >90% efficiency reduces thermal burden in sealed control cabinets. The VI-200 baseplate conduction-cooling design supports mounting to cabinet walls or cold-plates, and the wide operating temperature range accommodates unconditioned factory environments.
Recommandé
Telecommunications Infrastructure Power
The VE-920244B supplies 24V/16.6A isolated power for telecommunications base-station equipment, radio units, and network switches requiring galvanic isolation between the -48V battery plant and 24V distribution rails. Vicor's ZCS/ZVS topology produces low EMI signature, easing compliance with telecom EMC standards. The 400W rating suits mid-power remote radio heads and small-cell backhaul equipment where density and reliability are paramount.
Recommandé
Military and Aerospace Power Systems
The VE-920244B is widely deployed in defense electronics where its VI-200 ruggedized construction, fixed-frequency operation, and long-term product support meet program longevity requirements. It powers avionics subsystems, ground-vehicle electronics, and naval communication equipment operating from 24V/28V military bus systems. The conduction-cooled baseplate supports cold-plate mounting in sealed enclosures, and the module's established reliability track record simplifies qualification cycles for new defense programs.
Recommandé
Railway and Transportation Electronics
The VE-920244B provides isolated 24V/16.6A power for railway signaling, train-control systems, and trackside electronics subject to wide input voltage variations and high vibration. Its isolation barrier protects sensitive signaling logic from high-voltage transients common in rail power systems. The through-hole VI-200 package withstands the mechanical stress of rolling-stock installations better than surface-mount alternatives, and the wide operating temperature range supports undercarriage and trackside deployments.
Recommandé
Process Control and Instrumentation
The VE-920244B powers 24V process instrumentation loops, isolated analog signal conditioning, and field-side transmitter circuits requiring safety isolation from control-room electronics. Its 400W capacity supports multi-loop process skids where many 4-20mA loops share a common isolated 24V rail. The module's predictable fixed-frequency operation avoids interference with sensitive analog measurement circuits, and the robust VI-200 package supports long-life deployment in chemical and refinery process plants.
Recommandé
Medical Equipment Power Subsystems
The VE-920244B provides isolated 24V/16.6A power for medical imaging subsystems, diagnostic equipment, and patient-monitoring devices where reinforced isolation between mains-derived power and patient-connected circuitry is required. Its low EMI signature aids compliance with medical EMC standards (e.g., IEC 60601-1), and the conduction-cooled baseplate supports quiet operation in clinical environments. Engineers should verify specific medical certification status with Vicor for the target patient-care application.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour VE-920244B — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | VI-2X2-EVW | VE-9202412B | VE-2X2-EVW |
|---|---|---|---|---|
| Package | VI-200 (through-hole) | VI-200 (through-hole) - same | VI-200 (through-hole) - same | VI-200 (through-hole) - same |
| Brand | Vicor | Vicor | Vicor | Vicor |
| Output Voltage | 24 V | 24 V | 24 V (verify variant) | 24 V |
| Output Current | 16.6 A | 16.6 A | 16.6 A (verify variant) | 16.6 A |
| Output Power | 400 W | 400 W | 400 W (verify variant) | 400 W |
| Topology | Isolated ZCS/ZVS forward | Isolated ZCS/ZVS forward | Isolated ZCS/ZVS forward | Isolated ZCS/ZVS forward |
| Grade | VE (extended) | VI (standard) | VE (extended) | VE (extended) |
| Mounting | Through-hole | Through-hole | Through-hole | Through-hole |
Principaux différenciateurs
- Same-family 24V/16.6A VI-grade drop-in alternative exists (vs VI-2X2-EVW)
- Same-family 24V variant available for design reuse (vs VE-9202412B)
- Extended-temperature VE grade option for harsh environments (vs VI-2X2-EVW)
Notes de conception
Estimated: at 400W output with ~10% total losses (~44W dissipated), the VI-200 baseplate must be coupled to a heatsink or cold-plate maintaining case temperature below 85C. With a typical thermal resistance of 0.15 C/W baseplate-to-heatsink plus 0.3 C/W junction-to-case, the junction-to-ambient thermal budget is approximately 10-15C/W depending on heatsink choice. Derate output by ~2W/C above 65C baseplate temperature.
The VI-200 module is a through-hole brick with integral baseplate. Mount to a PCB with sufficient copper pour around input/output pin landings to carry 16.6A continuous without excessive voltage drop. Use multiple parallel traces or bus bars for output distribution. The baseplate should be mechanically fastened to a heatsink through mounting holes, NOT soldered to the PCB for thermal path.
Do not operate the VE-920244B without a minimum preload to maintain output regulation - consult the datasheet for the minimum load requirement. Input fusing is required to protect against catastrophic input capacitor failure; Vicor recommends specific fuse ratings in the datasheet. Output overvoltage protection should be provided externally as the module's internal OVP may not meet all system-level fault requirements.
Informations de conformité
Compliance status not explicitly stated in verified web data; consult Vicor product documentation or PCN VI20240229 for confirmed RoHS / REACH / lead-free status. AEC-Q100 not applicable for this module category.
