Key facts
- Brand
- Philips
- Model
- 25H
- Category
- Other Electronics
- Documents
- 20
- Languages
- EN · ES · ZH
- Last added
- 2012-07-09
Start here

Philips DVDR3425H Quick Start Guide
This guide shows how to connect the DVDR3425H to a TV or set‑top box using the supplied RF coaxial cable or AV cables, and how to power the unit. It also explains how to select the correct input source on the TV and how to configure basic menu settings such as auto‑search and date/time.
The manual then describes how to insert a recordable DVD, choose a source, set recording quality, and start, pause, or stop a manual recording. It includes supported disc formats and typical recording times for each quality level, as well as how to play back recorded titles from DVD or the internal hard‑disk. This manual is written in Chinese.
Philips 25H specifications
| Transition frequency | 2.3 GHz |
|---|---|
| Collector-base voltage | 8 V |
| Collector-emitter voltage | 5 V |
| DC collector current | 6.5 mA |
| Total power dissipation | 30 mW |
| Feedback capacitance | 0.45 pF |
| Maximum unilateral power gain | 18 dB |
| Noise figure | 3.8 dB |
| Package type | SOT23 |
Source: Philips BFT25 NPN 2 GHz Wideband Transistor Data Sheet
All Philips 25H documents by type
Ratings, dimensions and ordering codes, for selection and design work.
- Philips BFT25 NPN 2 GHz Wideband Transistor Data Sheet 8 p
- Philips UDA1325 USB Codec Preliminary Specification 52 p
- Philips BFQ225 NPN Video Transistor Data Sheet 6 p
- Philips 74F225 16x5 Asynchronous FIFO Datasheet 14 p
- Philips CBT3125 Quadruple FET Bus Switch Datasheet 10 p
- Philips BLF225 VHF Power MOS Transistor Datasheet 12 p
- Philips Components SFR16S/25/25H Standard Metal Film Resistors Product Specification 13 p
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
- Philips HR7625/HR7621/HR7620 User Manual 76 p
- Philips HR7625 HR7620 Blender User Manual 28 p
- Philips HD9225/HD9220 Airfryer User Manual 32 p
- Philips HD8323/HD8325/HD8327 Coffee Machine User Manual 40 p
- Philips Azur Excel Plus HI545/HI535/HI529/HI528/HI525/HI518/HI515 User Manual 38 p
- Philips DVDR3425H DVD Player User Manual 69 p
- Philips HR7625/HR7620 User Manual 28 p
- Philips HR7625/HR7620 User Manual 28 p
- Philips DVDR3425H Hard Disk DVD VCR User Manual 2 p
- Philips DVDR3425H / DVDR3435H User Manual 73 p
- Philips CORD225 HCD1888(19) TSD User Manual 8 p
The shortest path to a working setup, usually only a few pages.
Questions answered in these manuals
What is the maximum DC collector current?
The maximum DC collector current is 6.5 mA.
From: Philips BFT25 NPN 2 GHz Wideband Transistor Data Sheet
What is the transition frequency of the BFT25?
The transition frequency is 2.3 GHz.
From: Philips BFT25 NPN 2 GHz Wideband Transistor Data Sheet
What are the supported data transmission speeds?
The device supports 12 Mbits/s serial data transmission.
Does it support bus-powered operation?
Yes, the codec supports both 'Bus-powered' and 'Self-powered' operation.
What is the BFQ225 transistor primarily used for?
It is intended for cascode output and buffer stages in high resolution colour monitors.
What happens when the Master Reset (MR) input is activated?
A High-to-Low transition on MR invalidates all data stored in the FIFO by clearing the control logic and setting OR Low.
