The TDK-Lambda EMS Series consists of high-power, high-efficiency switch-mode AC to DC programmable power supplies designed for precise regulation and high packaging density. Operating as a constant voltage/constant current source with automatic crossover, they are widely used in semiconductor processing, medical, scientific, and research applications. This series supports analog programming as standard, with optional digital interfaces available.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | Analog programming (standard), GPIB and RS-232 digital interfaces (optional) |
| Display | Dual 3.5-digit LED digital displays (voltage and current) |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 115 VAC / 208-240 VAC, 47-63 Hz, single-phase (model and option dependent) |
| Operating Temperature | 0 to +50 °C |
| Dimensions (W×H×D) | 482.6 mm x 44.4 mm x 457.2 mm |
| Weight | 7.7 kg |
Model Configurations
| Parameter | Value |
|---|---|
| EMS 7.5-130 Output | 7.5 V, 130 A |
| EMS 10-100 Output | 10 V, 100 A |
| EMS 20-50 Output | 20 V, 50 A |
| EMS 30-33 Output | 30 V, 33 A |
| EMS 40-25 Output | 40 V, 25 A |
| EMS 60-18 Output | 60 V, 18 A |
| EMS 80-13 Output | 80 V, 13 A |
| EMS 100-10 Output | 100 V, 10 A |
| EMS 150-7 Output | 150 V, 7 A |
| EMS 300-3.5 Output | 300 V, 3.5 A |
| EMS 300-8 Output | 300 V, 8 A |
| EMS 600-1.6 Output | 600 V, 1.6 A |
| EMS 600-4 Output | 600 V, 4 A |
Output Ratings
| Parameter | Value |
|---|---|
| Output Power Range | 1000 W to 2500 W (model dependent) |
| Output Voltage Range | 7.5 V to 600 V (model dependent) |
| Output Current Range | 1.6 A to 300 A (model dependent) |
| Max Voltage Drift (8 Hours) | 0.05% of rated output voltage |
| Max Current Drift (8 Hours) | 0.05% of rated output current |
| Temperature Coefficient (Voltage) | 0.02% / °C of rated output voltage |
| Temperature Coefficient (Current) | 0.03% / °C of rated output current |
Regulation & Dynamic Performance
| Parameter | Value |
|---|---|
| Load Regulation (Constant Voltage) | 0.1% of rated output voltage |
| Load Regulation (Constant Current) | 0.1% of rated output current |
| Line Regulation (Constant Voltage) | 0.1% of rated output voltage |
| Line Regulation (Constant Current) | 0.1% of rated output current |
| Operating Mode | Constant voltage/constant current with automatic crossover |
AC Input Specifications
| Parameter | Value |
|---|---|
| AC Input Phase | Single-phase |
Protection Features
| Parameter | Value |
|---|---|
| Over Voltage Protection (OVP) | Standard, front panel adjustable |
| Over Temperature Protection (OTP) | Standard thermal shutdown |
Analog Controls & Signals
| Parameter | Value |
|---|---|
| Remote Sense Compensation Voltage | Up to 0.5 V per line |
Environmental & Reliability
| Parameter | Value |
|---|---|
| Storage Temperature Range | -40 to +85 °C |
| Cooling Method | Forced air by internal fan |
Physical & Mechanical
| Parameter | Value |
|---|---|
| Form Factor | 19-inch rack-mount (1U or 2U high, model dependent) |
| Front Panel Controls | 10-turn voltage and current potentiometers, power switch |
Technology
High-frequency switching AC-to-DC power supply
Applications
Semiconductor processing, medical equipment, scientific research, and laboratory applications
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