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TDK 121PW181 CCFL Inverter
- Manufacturer: TDK Lambda
- Category: CCFL Inverters & Accessories
- Power Supply Voltage: 11.4 – 12.6 VDC (Typical: 12.0 V)
- Lamp Drive Voltage: ~570 Vrms
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TDK 121PW181 CCFL Inverter
The TDK 121PW181 CCFL Inverter (PCU-P147B) is a high-performance CCFL/LCD backlight inverter designed for reliable brightness control in industrial and professional displays. Operating on a stable 12 VDC supply, it delivers a consistent ~570 Vrms lamp drive voltage with precise brightness adjustment via 0–2.5 V analog control or a 10kΩ potentiometer.
Engineered for compatibility with NEC panels such as NL10276BC24-13 and the NL8060BC31 series, it ensures uniform illumination and long operating life. Built-in open-lamp protection (~1600 Vrms) and fault detection output enhance device safety and reduce downtime. With an operating temperature range of –10°C to +70°C, it performs reliably in demanding environments. Ideal for HMI panels, medical systems, industrial displays, and retrofitting applications, the inverter offers durability, stable luminance control, and seamless integration.
While our engineers carefully upload product details based on official datasheets, occasional errors may still occur. We encourage users to verify specifications as needed for complete accuracy.
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Note : All tax and custom duty should be pay by buyer only.
Note: All trademarks and trade names used are the property of their respective owners.
| Brand | TDK |
| Model Number | 121PW181 (PCU-P147B) |
| Product Category | EL/CCFL Inverters & Accessories |
| Application | LCD backlight inverter board |
| Compatible Panels | NL10276BC24-13, NL8060BC31-27/28/32/41/42 |
| Power Supply Voltage (VDDB) | 11.4 – 12.6 VDC (Typical: 12.0 V) |
| Current Consumption (IDDB) | Typical: 600 mA, Max: 800 mA |
| Operating Temperature Range | –10°C to +70°C |
| Storage Temperature Range | –30°C to +85°C (≤ 95% RH) |
| Lamp Drive Voltage | ~570 Vrms |
| Open Lamp Voltage | ~1600 Vrms (open circuit) |
| Lamp Current | ~5.0 mArms per lamp |
| Oscillation Frequency (FO) | 58 – 68 kHz |
| Luminance Control Frequency (FB) | 310 – 370 Hz |
| Luminance Control | 0–2.5 V analog or 10kΩ potentiometer (via BRTI/BRTH) |
| Backlight ON/OFF (BRTC) | High/Open = ON, Low = OFF |
| Fault Detection (AM Signal) | Outputs 5V on fault (e.g., missing VDDB) |
| Connectors | CN1: Molex 53261-0971 (input), CN2: JST SM03-7D1 (output) |
Note : All tax and custom duty should be pay by buyer only.
Note: All trademarks and trade names used are the property of their respective owners.
Accuracy Disclaimer: Specifications provided are based on datasheet and are subject to change without notice. While every effort has been made to ensure accuracy, errors may occur. Users are encouraged to verify specifications with the manufacturer and consult for any specific questions or requirements.
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