News Center

Nachrichtenzentrum

Homepage / Nachrichtenzentrum

Pressemitteilungen

ALLE Unternehmensnachrichten Produktneuigkeiten Leitfäden zur Produktauswahl Produktalternativen Tech-Blog

How to Select a Power-Line Common-Mode Choke: Comparing Five VOOHU WHACM15A60R Options

How to Select a Power-Line Common-Mode Choke: Comparing Five VOOHU WHACM15A60R Options

Compare five WHACM15A60R power-line common-mode chokes by 100 MHz impedance, current rating, and DCR to build a practical shortlist.

Can WHDG18101G Replace WHDG18110G? Loss, Pinout and Height Checks for 18-Pin Gigabit LAN Transformers | VOOHU

Can WHDG18101G Replace WHDG18110G? Loss, Pinout and Height Checks for 18-Pin Gigabit LAN Transformers | VOOHU

Compare WHDG18110G and WHDG18101G insertion-loss limits, centre taps, pin mapping and board-level checks before approving an 18-pin Gigabit LAN transformer replacement.

How to Keep Unused RJ45 Ports Clean: Dust Plug Selection, Installation and Maintenance | VOOHU

How to Keep Unused RJ45 Ports Clean: Dust Plug Selection, Installation and Maintenance | VOOHU

Practical selection, installation and maintenance guidance for dust plugs used on spare RJ45 ports, including two VOOHU product options and the boundary between dust and water protection.

How to Choose a Quad-Port Gigabit LAN Transformer: 72-, 88- and 96-Pin Footprints, PoE and Temperature | VOOHU

How to Choose a Quad-Port Gigabit LAN Transformer: 72-, 88- and 96-Pin Footprints, PoE and Temperature | VOOHU

Compare four VOOHU quad-port Gigabit LAN transformers by 72-, 88- and 96-pin footprints, pitch, PoE capability and operating temperature.

SFP Port Drops During ESD Testing: Cage Grounding, Bezel Bonding and Protection Selection | VOOHU

SFP Port Drops During ESD Testing: Cage Grounding, Bezel Bonding and Protection Selection | VOOHU

A practical way to separate SFP link drops, module loss and board resets during ESD testing, then improve the cage, bezel, return path and protection design.

How to Test a Push-Pull Transformer: Center-Tap Inductance, Turns Ratio, DCR and Hi-Pot Checks | VOOHU

How to Test a Push-Pull Transformer: Center-Tap Inductance, Turns Ratio, DCR and Hi-Pot Checks | VOOHU

A practical sequence for checking a push-pull transformer's center tap, inductance, turns ratio, DCR, insulation and initial board operation, with three VOOHU product examples.

How to Choose a LAN Transformer (Part 1): Understanding Its Internal Structure | VOOHU

How to Choose a LAN Transformer (Part 1): Understanding Its Internal Structure | VOOHU

Understand differential pairs, pairsets and ports, then select a VOOHU LAN Transformer by data rate, port count and PoE current rating.

Low Pulse Amplitude Across a BMS Isolation Transformer: Checking 150–300 μH OCL, 1:1 Turns Ratio and Termination | VOOHU

Low Pulse Amplitude Across a BMS Isolation Transformer: Checking 150–300 μH OCL, 1:1 Turns Ratio and Termination | VOOHU

A four-point waveform method for diagnosing low BMS isolation-transformer pulse amplitude through OCL, 1:1 turns ratio, termination, and probing.

How to Wire an Audio Transformer: Polarity Dots, 180° Inversion and Stereo Phase Checks | VOOHU

How to Wire an Audio Transformer: Polarity Dots, 180° Inversion and Stereo Phase Checks | VOOHU

A practical guide to audio-transformer winding identification, polarity, 180-degree inversion, stereo checks, PCB marking and VOOHU product selection.

Push-Pull Transformer Output Voltage Too Low? Turns Ratio and Headroom for 3.3 V to 5 V Supplies | VOOHU

Push-Pull Transformer Output Voltage Too Low? Turns Ratio and Headroom for 3.3 V to 5 V Supplies | VOOHU

Locate load-related voltage drops and compare three VOOHU push-pull transformers using minimum input voltage, turns ratio and LDO headroom.

How to Reduce Planar Transformer Temperature Rise: Copper, Core and 60–120 W Selection | VOOHU

How to Reduce Planar Transformer Temperature Rise: Copper, Core and 60–120 W Selection | VOOHU

Separate winding, core and external heat, then select among four VOOHU 24 V planar transformers from 60 W to 120 W.

How to Choose a Dual-Port LAN Transformer: 48/50 Pins, DIP/SMT and Concurrent PoE Validation | VOOHU

How to Choose a Dual-Port LAN Transformer: 48/50 Pins, DIP/SMT and Concurrent PoE Validation | VOOHU

Select dual-port Gigabit LAN magnetics by pin count, mounting, PoE and temperature, then validate both ports concurrently.

214 Total