Footprints
59 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.
QFN-20-1EP_4x4mm_P0.5mm_EP2.5x2.5mm
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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-20-1EP_4x5mm_P0.5mm_EP2.65x3.65mm
Package_DFN_QFN
QFN, 20 Pin (http://www.analog.com/media/en/package-pcb-resources/package/pkg_pdf/ltc-legacy-qfn/QFN_20_05-08-1711.pdf)
- Pads
- 21
- SMD
- 5.3×6.3
- Boards
- —
QFN-20-1EP_4x5mm_P0.5mm_EP2.65x3.65mm_ThermalVias
Package_DFN_QFN
QFN, 20 Pin (http://www.analog.com/media/en/package-pcb-resources/package/pkg_pdf/ltc-legacy-qfn/QFN_20_05-08-1711.pdf)
- Pads
- 21
- SMD
- 5.3×6.3
- Boards
- —
VQFN-20-1EP_3x3mm_P0.4mm_EP1.7x1.7mm
Package_DFN_QFN
VQFN, 20 Pin (http://ww1.microchip.com/downloads/en/DeviceDoc/20%20Lead%20VQFN%203x3x0_9mm_1_7EP%20U2B%20C04-21496a.pdf)
- Pads
- 21
- SMD
- 4.2×4.2
- Boards
- 47
SiliconLabs_QFN-20-1EP_3x3mm_P0.5mm_EP1.8x1.8mm
Package_DFN_QFN
20-Lead Plastic Quad Flat, No Lead Package - 3x3 mm Body [QFN] with corner pads; see figure 8.2 of https://www.silabs.com/documents/public/data-sheets/efm8bb1-datasheet.pdf
- Pads
- 21
- SMD
- 4.5×4.5
- Boards
- 18
UQFN-20_3x3mm_P0.4mm
Package_DFN_QFN
UQFN, 20 Pin (https://resurgentsemi.com/wp-content/uploads/2018/09/MPR121_rev5-Resurgent.pdf?d453f8&d453f8)
- Pads
- 20
- SMD
- 4.2×4.2
- Boards
- 15
Texas_RGW0020A_VQFN-20-1EP_5x5mm_P0.65mm_EP3.15x3.15mm_ThermalVias
Package_DFN_QFN
Texas RGW0020A VQFN, 20 Pin (https://www.ti.com/lit/ds/symlink/tps7a47.pdf#page=29)
- Pads
- 21
- SMD
- 6.3×6.3
- Boards
- 9
WQFN-20-1EP_2.5x4.5mm_P0.5mm_EP1x2.9mm
Package_DFN_QFN
http://www.onsemi.com/pub/Collateral/510CD.PDF
- Pads
- 21
- SMD
- 4.0×6.0
- Boards
- 8
TQFN-20-1EP_5x5mm_P0.65mm_EP3.25x3.25mm
Package_DFN_QFN
TQFN, 20 Pin (https://pdfserv.maximintegrated.com/package_dwgs/21-0140.PDF (T2055-5))
- Pads
- 21
- SMD
- 6.2×6.2
- Boards
- 7
