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Footprints

87 footprints matching “QFN-20”

Land patterns on their own — 19,830 of them, most never referenced by a symbol in the catalog. Each passed the courtyard and pad checks; 7,626 come with the 3D model they name.

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SymbolFootprint3D model

Footprints on their own, whether or not a symbol uses them.

87 footprints · page 1 of 4

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QFN-20-1EP_4x4mm_P0.5mm_EP2.5x2.5mm

FP3D

Package_DFN_QFN

QFN, 20 Pin (http://ww1.microchip.com/downloads/en/PackagingSpec/00000049BQ.pdf#page=274)

Pads
21
SMD
5.2×5.2
Boards
115

QFN-20-1EP_3x3mm_P0.4mm_EP1.65x1.65mm

FP—

Package_DFN_QFN

QFN, 20 Pin (https://www.analog.com/media/en/technical-documentation/data-sheets/3553fc.pdf#page=34)

Pads
21
SMD
4.3×4.3
Boards
83

QFN-20-1EP_4x4mm_P0.5mm_EP2.6x2.6mm

FP—

Package_DFN_QFN

QFN, 20 Pin (http://ww1.microchip.com/downloads/en/DeviceDoc/doc2535.pdf#page=164)

Pads
21
SMD
5.2×5.2
Boards
19

QFN-20-1EP_4x4mm_P0.5mm_EP2.7x2.7mm

FP—

Package_DFN_QFN

QFN, 20 Pin (https://www.silabs.com/documents/public/data-sheets/Si5351-B.pdf)

Pads
21
SMD
5.2×5.2
Boards
16

QFN-20-1EP_4x4mm_P0.5mm_EP2.6x2.6mm_ThermalVias

FP—

Package_DFN_QFN

QFN, 20 Pin (http://ww1.microchip.com/downloads/en/DeviceDoc/doc2535.pdf#page=164)

Pads
21
SMD
5.2×5.2
Boards
15

QFN-20-1EP_3x3mm_P0.4mm_EP1.65x1.65mm_ThermalVias

FP—

Package_DFN_QFN

QFN, 20 Pin (https://www.analog.com/media/en/technical-documentation/data-sheets/3553fc.pdf#page=34)

Pads
21
SMD
4.3×4.3
Boards
12

QFN-20-1EP_4x4mm_P0.5mm_EP2.5x2.5mm_ThermalVias

FP3D

Package_DFN_QFN

QFN, 20 Pin (http://ww1.microchip.com/downloads/en/PackagingSpec/00000049BQ.pdf#page=274)

Pads
21
SMD
5.2×5.2
Boards
12

QFN-20-1EP_3x3mm_P0.45mm_EP1.6x1.6mm

FP—

Package_DFN_QFN

QFN, 20 Pin (http://ww1.microchip.com/downloads/en/DeviceDoc/atmel-8235-8-bit-avr-microcontroller-attiny20_datasheet.pdf#page=212)

Pads
21
SMD
4.3×4.3
Boards
11

QFN-20-1EP_3.5x3.5mm_P0.5mm_EP2x2mm

FP—

Package_DFN_QFN

QFN, 20 Pin (http://www.ti.com/lit/ml/mpqf239/mpqf239.pdf)

Pads
21
SMD
4.8×4.8
Boards
10

QFN-20-1EP_5x5mm_P0.65mm_EP3.35x3.35mm

FP3D

Package_DFN_QFN

QFN, 20 Pin (http://ww1.microchip.com/downloads/en/PackagingSpec/00000049BQ.pdf#page=276)

Pads
21
SMD
6.2×6.2
Boards
8

QFN-20-1EP_3x4mm_P0.5mm_EP1.65x2.65mm_ThermalVias

FP3D

Package_DFN_QFN

QFN, 20 Pin (http://www.analog.com/media/en/package-pcb-resources/package/pkg_pdf/ltc-legacy-qfn/QFN_20_05-08-1742.pdf)

Pads
21
SMD
4.3×5.3
Boards
4

QFN-20-1EP_5x5mm_P0.65mm_EP3.35x3.35mm_ThermalVias

FP3D

Package_DFN_QFN

QFN, 20 Pin (http://ww1.microchip.com/downloads/en/PackagingSpec/00000049BQ.pdf#page=276)

Pads
21
SMD
6.2×6.2
Boards
4

QFN-20-1EP_3.5x3.5mm_P0.5mm_EP2x2mm_ThermalVias

FP—

Package_DFN_QFN

QFN, 20 Pin (http://www.ti.com/lit/ml/mpqf239/mpqf239.pdf)

Pads
21
SMD
4.8×4.8
Boards
3

QFN-20-1EP_3x4mm_P0.5mm_EP1.65x2.65mm

FP3D

Package_DFN_QFN

QFN, 20 Pin (http://www.analog.com/media/en/package-pcb-resources/package/pkg_pdf/ltc-legacy-qfn/QFN_20_05-08-1742.pdf)

Pads
21
SMD
4.3×5.3
Boards
3

QFN-20-1EP_4x4mm_P0.5mm_EP2.7x2.7mm_ThermalVias

FP—

Package_DFN_QFN

QFN, 20 Pin (https://www.silabs.com/documents/public/data-sheets/Si5351-B.pdf)

Pads
21
SMD
5.2×5.2
Boards
3

QFN-20-1EP_3x3mm_P0.45mm_EP1.6x1.6mm_ThermalVias

FP—

Package_DFN_QFN

QFN, 20 Pin (http://ww1.microchip.com/downloads/en/DeviceDoc/atmel-8235-8-bit-avr-microcontroller-attiny20_datasheet.pdf#page=212)

Pads
21
SMD
4.3×4.3
Boards
1

QFN-20-EP-MAX

FP3D

agg-agg

Pads
21
SMD
5.0×5.0
Boards
—

QFN-20-EP-SI

FP3D

agg-agg

Pads
21
SMD
5.3×5.3
Boards
—

QFN-20-EP-SI3402-B

FP—

agg-agg

Pads
21
SMD
6.2×6.2
Boards
—

QFN-20-1EP_3x3mm

FP—

digikey-digikey-footprints

Pads
21
SMD
3.9×3.9
Boards
—

QFN-20-1EP_4x4mm

FP—

digikey-digikey-footprints

Pads
21
SMD
3.9×3.9
Boards
—

QFN-20-1EP_4x4mm_RevA

FP—

digikey-digikey-footprints

Pads
21
SMD
3.9×3.9
Boards
—

QFN-20-1EP_3x3mm

FP—

digikey-Source_Footprints

Pads
21
SMD
3.9×3.9
Boards
—

QFN-20-1EP_4x4mm

FP—

digikey-Source_Footprints

Pads
21
SMD
3.9×3.9
Boards
—