Kikusui PAD 8

The Kikusui PAD 8 is a precision DC power supply engineered for laboratory testing, component evaluation, and circuit prototyping. It delivers stable, regulated power with adjustable voltage and current outputs, comprehensive protection circuitry, and flexible control options including analog remote operation and optional computer interface compatibility.

## Technical Specifications

**Electrical Performance**

• Output Voltage: 0 V to rated voltage (adjustable)
• Output Current: Adjustable
• Temperature Coefficient: 50 ppm/°C (typical)
• Transient Response: 50 µs
• Input Voltage: 120 VAC
• Ripple Voltage: Specified in mVrms
• Line Regulation: Specified in mV or %
• Load Regulation: Specified in mV or %
• Aging Drift: Very low

**Physical**

• Dimensions: 210 mm (W) × 140 mm (H) × 310 mm (D); PAD8-20L and 16-18L models feature 363 mm depth

## Key Features

**Protection & Control**

• Adjustable Overvoltage Protection (OVP): 10% to 110% of rated output
• Adjustable Overcurrent Protection (OCP): 10% to 110% of rated output
• Constant Voltage/Constant Current (CV/CC) automatic crossover
• Overheating protector for semiconductor heat sink section
• Temperature fuse for subtransformer
• Input/Output fuse protection
• Input surge absorber
• Voltage detector circuit for smoothing capacitor section
• Choke input system reduces inrush current and harmonic distortion
• Improved power factor from choke input design

**Interface & Operation**

• Separate output switch for control
• SET switch for voltage and current confirmation with output disabled
• Sensing terminals for load voltage drop compensation
• Monitor outputs: 0–10 V for output voltage; 0–1 V for output current
• Analog remote control via external voltage or resistance
• Remote control setup switch
• Master/Slave operation for parallel or series configuration
• Screw-less wire clamp terminal block for control connections

## Typical Applications

Laboratory power delivery, device characterization, circuit development, and burn-in testing where precise voltage and current regulation with integrated fault protection is required.

## Compatibility & Integration

Computer control available through optional controller compatibility (PIA4810; older units such as PIA3200 may require ROM modification). Remote operation via analog control inputs and resistance-based adjustment.