The Keysight N3307A (formerly Agilent) is a 250 W programmable DC electronic load module designed for use with the N3300A and N3301A multi-slot mainframes. It operates up to 150 V and 30 A, providing high-speed, precise testing of power supplies and power components in automated test environments.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | Via mainframe (GPIB, RS-232); local 14-pin analog programming and monitor connector on module rear panel |
| Display | None (uses the host mainframe display) |
| Programming Languages | SCPI |
| Input Off-state Resistance | 200 kΩ (typical) |
Physical
| Parameter | Value |
|---|---|
| Power Supply | Powered directly from the mainframe backplane (N3300A or N3301A) |
| Operating Temperature | 0 to 55 °C |
| Dimensions (W×H×D) | 57 mm × 207 mm × 379 mm |
| Weight | 3.12 kg |
Input Ratings and Operating Ranges
| Parameter | Value |
|---|---|
| Maximum Input Power | 250 W |
| Maximum Input Voltage | 150 V |
| Maximum Input Current | 30 A |
| Minimum Operating Voltage | 3.0 V at 30 A |
Operating Modes & Accuracy
| Parameter | Value |
|---|---|
| Constant Current (CC) Range Low | 0 to 3 A |
| Constant Current (CC) Range High | 0 to 30 A |
| Constant Voltage (CV) Range Low | 0 to 15 V |
| Constant Voltage (CV) Range High | 0 to 150 V |
| Constant Power (CP) Range | 0 to 250 W |
| Constant Current (CC) Programming Resolution - Low Range | 0.8 mA |
| Constant Current (CC) Programming Resolution - High Range | 8 mA |
| Constant Voltage (CV) Programming Resolution - Low Range | 4 mV |
| Constant Voltage (CV) Programming Resolution - High Range | 40 mV |
Transient and Dynamic Characteristics
| Parameter | Value |
|---|---|
| Transient Mode Frequency Range | 0.25 Hz to 10 kHz |
| Transient Mode Duty Cycle Range | 3% to 97% (in 1% steps) |
| Current Slew Rate Low Range | 0.0006 A/µs to 0.15 A/µs |
| Current Slew Rate High Range | 0.006 A/µs to 1.5 A/µs |
| Maximum Number of List Mode Steps | 100 |
Measurement and Readback Accuracy
| Parameter | Value |
|---|---|
| Voltage Readback Resolution - Low Range | 0.5 mV |
| Voltage Readback Resolution - High Range | 5 mV |
| Current Readback Resolution - Low Range | 0.08 mA |
| Current Readback Resolution - High Range | 0.8 mA |
Protection Features
| Parameter | Value |
|---|---|
| Over-Voltage Protection (OVP) Threshold Range | Programmable up to 160 V |
| Over-Current Protection (OCP) Threshold Range | Programmable up to 33 A |
| Over-Power Protection (OPP) Threshold Range | ~260 W |
| Over-Temperature Protection (OTP) | Yes |
| Reverse Voltage Protection | Yes (diode clamped) |
Connectivity & Control Interfaces
| Parameter | Value |
|---|---|
| Analog Programming Input Voltage Range | 0 to 10 V |
| Current Monitor Output Scale Factor | 0 to 10 V (corresponds to 0 to 30 A) |
Physical and Mechanical Specifications
| Parameter | Value |
|---|---|
| Form Factor | Single-slot electronic load module |
General Specifications
| Parameter | Value |
|---|---|
| Mainframe Compatibility | Keysight N3300A (6 slots), Keysight N3301A (2 slots) |
Accuracy
| Parameter | Value |
|---|---|
| Constant Current (CC) Programming Accuracy - Low Range | ±(0.1% + 7.5 mA) |
| Constant Current (CC) Programming Accuracy - High Range | ±(0.1% + 30 mA) |
| Constant Voltage (CV) Programming Accuracy - Low Range | ±(0.05% + 15 mV) |
| Constant Voltage (CV) Programming Accuracy - High Range | ±(0.05% + 110 mV) |
| Constant Current (CC) Readback Accuracy - Low Range | ±(0.1% + 6 mA) |
| Constant Current (CC) Readback Accuracy - High Range | ±(0.1% + 25 mA) |
| Constant Voltage (CV) Readback Accuracy - Low Range | ±(0.05% + 10 mV) |
| Constant Voltage (CV) Readback Accuracy - High Range | ±(0.05% + 80 mV) |
Performance
| Parameter | Value |
|---|---|
| Constant Resistance (CR) Range - Low Range | 0.15 Ω to 15 Ω |
| Constant Resistance (CR) Range - Medium Range | 10 Ω to 1,000 Ω |
| Constant Resistance (CR) Range - High Range | 750 Ω to 50,000 Ω |
| Ripple and Noise (Voltage, RMS) | 6 mV |
| Ripple and Noise (Voltage, Peak-to-Peak) | 60 mV |
| Ripple and Noise (Current, RMS) | 6 mA |
| Current Slew Rate Programming Resolution - Low Range | 0.0001 A/µs |
| Current Slew Rate Programming Resolution - High Range | 0.001 A/µs |
Constant Resistance (CR) Mode
| Parameter | Value |
|---|---|
| Constant Resistance (CR) Programming Accuracy - Range 1 | ±(1% + 15 mS) (with 30 A input) |
| Constant Resistance (CR) Programming Accuracy - Range 2 | ±(1% + 1.2 mS) (with 3 A input) |
| Constant Resistance (CR) Programming Accuracy - Range 3 | ±(1% + 0.12 mS) (with 0.3 A input) |
| Constant Resistance (CR) Programming Resolution - Range 1 | 1.25 mS |
| Constant Resistance (CR) Programming Resolution - Range 2 | 0.1 mS |
| Constant Resistance (CR) Programming Resolution - Range 3 | 0.01 mS |
Constant Power (CP) Mode
| Parameter | Value |
|---|---|
| Constant Power (CP) Programming Accuracy | ±(3% + 3.5 W) |
| Constant Power (CP) Programming Resolution | 100 mW |
Temperature Coefficients
| Parameter | Value |
|---|---|
| Voltage Programming Temperature Coefficient - Low Range | ±(0.005% + 0.3 mV) per °C |
| Voltage Programming Temperature Coefficient - High Range | ±(0.005% + 3 mV) per °C |
| Current Programming Temperature Coefficient - Low Range | ±(0.008% + 0.1 mA) per °C |
| Current Programming Temperature Coefficient - High Range | ±(0.008% + 1 mA) per °C |
| Voltage Readback Temperature Coefficient - Low Range | ±(0.005% + 0.3 mV) per °C |
| Voltage Readback Temperature Coefficient - High Range | ±(0.005% + 3 mV) per °C |
| Current Readback Temperature Coefficient - Low Range | ±(0.008% + 0.15 mA) per °C |
| Current Readback Temperature Coefficient - High Range | ±(0.008% + 1.5 mA) per °C |
Remote Sensing
| Parameter | Value |
|---|---|
| Maximum Remote Sense Voltage Drop | 2 V per load lead |
Environmental
| Parameter | Value |
|---|---|
| Storage Temperature Range | -40 °C to +75 °C |
| Maximum Operating Altitude | 2000 m |
Technology
Programmable DC Electronic Load Module
Applications
Automated power supply testing, battery discharge testing, DC-DC converter verification