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MAX490 Datasheet PDF – RS-485/RS-422 Transceiver – Maxim

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Part Number: MAX490, MAX490ECPA

Function: Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceiver

Package: DIP 8 Pin

Manufacturer: Maxim

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MAX490 datasheet

Description

The MAX481, MAX483, MAX485, MAX487 – MAX490, and MAX1487 are low-power transceivers for RS-485 and RS-422 communication. Each part contains one driver and one receiver. The MAX483, MAX487, MAX488, and MAX489 feature reduced slew-rate drivers that minimize EMI and reduce reflections caused by improperly terminated cables, thus allowing error-free data transmission up to 250kbps. The driver slew rates of the MAX481, MAX485, MAX490, MAX491, and MAX1487 are not limited, allowing them to transmit up to 2.5Mbps.

Pinout
MAX490 pinout transceiver
Application:

1. Low-Power RS-485 Transceivers
2. Low-Power RS-422 Transceivers
3. Level Translators
4. Transceivers for EMI-Sensitive Applications
5. Industrial-Control Local Area Networks

 

MAX490 Datasheet


 

Other data sheets are available within the file: MAX490CPA, MAX490CSA, MAX490CUA

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BLV25 Datasheet PDF – VHF Power Transistor – Philips

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Part Number: BLV25

Function: VHF Power Transistor

Package: SOT119A

Manufacturer: Philips Electronics ( https://www.nxp.com/ )

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BLV25 datasheet

 

Description

This is VHF Power Transistor.

N-P-N silicon planar epitaxial transistor primarily for use in v.h.f.-f.m. broadcast transmitters. The transistor has a 1/2 in 6-lead flange envelope with a ceramic cap. All leads are isolated from the flange.

Pinout

BLV25 VHF Transistor

Features

1. internally matched input for wideband operation and high power gain;

2. multi-base structure and diffused emitter ballasting resistors for an optimum temperature profile;

3. gold-metallization ensures excellent reliability.

 

BLV25 Datasheet PDF


BLV25 pdf

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