The Keysight/Agilent/HP 0950-3704 is a high-power mainframe power supply engineered for the E1401B VXI mainframe. It delivers the substantial power required to operate diverse modules within a VXI system, supporting demanding laboratory and test applications with stable, protected output across seven standard VXIbus voltage rails.
## Technical Specifications
**Power Output**
• Seven standard VXIbus power supply voltages with overvoltage, overcurrent, and temperature protection
• High peak and dynamic current capability for power-hungry module loads
**Input Power**
• AC input: 100–240 VAC, auto-ranging; 50 Hz to 400 Hz operation
• DC input: 100 Vdc to 370 Vdc
• Power factor corrected input section
• Maximum inrush current: 40 A
**Thermal Management**
• Pressurized Air Channel cooling with variable-speed fan control
• Delivers 60 W per slot with 10°C temperature rise (all 13 slots)
• Up to 75 W per slot dissipation available at 15°C rise
• High Speed Mode (switch selectable) maintains full airflow continuously
• Dedicated side-mounted mainframe fan
**Serviceability**
• Rear-panel access for power supply and fan replacement
• Mean Time To Repair (MTTR): 5 minutes
• Cableless backplane interconnect eliminates miswiring risk
• Rack-mountable design
**Monitoring & Control**
• 25-pin D-connector rear panel interface
• Access to all power supply voltages, remote on/standby control, ACFAIL, SYSRESET, and +5VSTDBY signals
**Backplane Integration**
• Solid-state automatic daisy-chain jumpering for VMEbus grant and interrupt acknowledge lines
• Compatible with Keysight/Agilent backplane connector shield kit (p/n E1400-80920)
## Key Features
• Automatic line voltage and frequency detection
• Uniform airflow distribution via Pressurized Air Channel architecture
• Easy serviceability through rear panel design
• Protected outputs across all voltage rails
## Compatibility & Integration
Designed specifically for the Keysight/Agilent/HP E1401B VXI mainframe. Supports standard VXIbus architecture with VMEbus control signaling.















