SKY12210-478LF Buy Now
0.9-4.0 GHz, 100 W High Power Silicon PIN Diode SPDT Switch

The SKY12210-478LF is a high power handling, Single-Pole, Double-Throw (SPDT) silicon PIN diode switch. The device operates over the 900 MHz to 4 GHz band. It features low insertion loss, excellent power handling, and superb linearity with low DC power consumption.

The SKY12210-478LF is well-suited for use as a high power transmit/receive switch in a variety of telecommunication systems such as WiMAX, TD-SCDMA, or LTE base stations.

The device is provided in a 4 x 4 mm, 16-pin Quad Flat No-Lead (QFN) package.


  • High power handling: 100 W CW, 400 W peak
  • Low insertion loss: 0.4 dB typical
  • High antenna to receive isolation: 44 dB @ 2.6 GHz typical
  • Controlled with positive power supply
  • Small, QFN (16-pin, 4 x 4 mm) Pb-free package (MSL1, 260 °C per JEDEC J-STD-020)
Data Sheets SKY12210-478LF: 0.9-4.0 GHz, 100 W High Power Silicon PIN Diode SPDT Switch SKY12210_478LF_201634G.pdf (1203 KB)
Product Brief High Power (40 to 150 Watt) SPST and SPDT PIN Diode Switches PB_HighPowerPINDiodeSwitchesPB116_13A.pdf (1075 KB)
Application Notes Driver Circuit for High-Power PIN Diode Switches Pin_Diode_Driver_203950A_AN.pdf (849 KB)
Designer Info SKY12210-478LF: S Parameters (629 KB)
ProductName : SKY12210-478LF
Description (Absorptive/ Reflective) : SPDT (R)
Frequency (GHz) Min. : 0.9
Frequency (GHz) Max. : 4.0
Typ. IL (dB) : 0.3-0.6
Typ. Isol. (dB) : 25-50
Typ. IIP3 (dBm) : 78
Max. TX Power (W) : 100
Package : QFN 16L
Package (mm) : 4 x 4 x 1.5
Product Information:
Description: High Power PIN Diode Based
Frequency Max.: ≥2.9 GHz and < 5.9GHz
Frequency Min.: ≥400 MHz
Function: SPDT / SP2T
Package Type: DFN, QFN, MLPD, MLPQ
Power Handling: ≥50 dBm
Status: Featured
Status: In Production
For world-class customer service and assistance finding the Skyworks product to fit your specific design needs, please submit your request, or contact us by phone.
USA: 781-376-3000
Asia: +886 2 2322 0200
Europe: +33(0) 1 43548540