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4256-52, in 3D

4256-52

pSemi

QFN-20-EP(4x4) RF Switches ROHS

Extended
DatasheetJLCPCBLCSCpsemi/4256-52
Category
RF Switches
Package
QFN-20-EP(4x4)
Pins
21

Overview

The 4256-52 is a RF Switche made by pSemi in a QFN-20-EP(4x4) package with 21 pins. QFN-20-EP(4x4) RF Switches ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:4256-52, from EasyEDA) and its footprint (EasyEDA_Cloud:QFN-20_L4.0-W4.0-P0.50-BL-EP2.2, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C2151899).

Symbol

GND1GND2RF13GND,RF1Term.4GND5GND6GND7RFC8GND9GND10GND11GND,RF2Term.12RF213GND14GND15CTRL216CTRL117VSS/GND18GND19VDD20EP21
EasyEDA_Cloud:4256-52From EasyEDA

Footprint

21
EasyEDA_Cloud:QFN-20_L4.0-W4.0-P0.50-BL-EP2.2From EasyEDA

Parameters

8
Circuit
SPDT
Features
Integrated control logic
Frequency range
5MHz~3GHz
Insertion loss
1.3dB
P1dB
31dBm
Voltage - Supply
2.7V~3.3V
isolation
49dB
operating temperature
-40℃~+85℃

Order codes

1

Pinout

21
The pins of the 4256-52
PinNameType
1GNDUnspecified
2GNDUnspecified
3RF1Unspecified
4GND,RF1Term.Unspecified
5GNDUnspecified
6GNDUnspecified
7GNDUnspecified
8RFCUnspecified
9GNDUnspecified
10GNDUnspecified
11GNDUnspecified
12GND,RF2Term.Unspecified
13RF2Unspecified
14GNDUnspecified
15GNDUnspecified
16CTRL2Unspecified
17CTRL1Unspecified
18VSS/GNDUnspecified
19GNDUnspecified
20VDDUnspecified
21EPUnspecified

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A picture
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A picture that opens the part, for a README
[![4256-52](https://pcbkit.io/embed/parts/psemi/4256-52.jpg?size=s)](https://pcbkit.io/parts/psemi/4256-52)

Questions

Is there a KiCad symbol and footprint for the 4256-52?

Yes. The symbol is EasyEDA_Cloud:4256-52 and the footprint EasyEDA_Cloud:QFN-20_L4.0-W4.0-P0.50-BL-EP2.2, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the 4256-52?

QFN-20-EP(4x4), with 21 pins. Its footprint is drawn on this page.

Where is the 4256-52 datasheet?

pSemi publishes it: the Datasheet link on this page opens it.

Where can I order the 4256-52?

JLCPCB lists it as part C2151899, with 0 in stock; the sellers' links on this page open their listings.

What can replace the 4256-52?

Parts like it in the library: the PE42020A by pSemi, the PE4256MLIAA-Z by pSemi, the PE4257-51 by pSemi and the PE42742MLIBB-Z by pSemi. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

5