-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

• 1:$1.419940
• 10:$1.339566
• 100:$1.263741
• 500:$1.192209
View all price

-

QFN-20

-

-

Nordic Semiconductor

-

-

nRF24L01P-EVKIT, nRF24L01P-UPGRADE

-

-

SPI

Nordic Semiconductor

-

-

2 Mb/s

+ 85 C

-

- 40 C

GFSK

-

SMD/SMT

-

-

-

-

-

-

-

-

-

13.5 mA

11.3 mA

3.6 V

1.9 V

-

-

-

-

ISM

-

-

Wireless & RF Integrated Circuits

Si

-

-

-

-

3 V

-

-

-

-

4 dBm

-

-

RF Transceiver

-

-

2.4 GHz to 2.525 GHz

-

-

- 82 dBm, - 85 dBm, -94 dBm

-

-

-

-

-

-

-

-

-

RF Transceiver

-

-

-

-

Surface Mount

56-UFQFN Exposed Pad

56-QFN (7x7)

-

-

-

-

-

-

-

-

-

-

-

-

-

Infineon Technologies

-

-

-

-

-

Tray

-

-

-

Obsolete

-

-

-

-

-

-

-

-

-40°C ~ 85°C (TA)

-

PSOC® 4 CY8C41xx BLE

TxRx + MCU

-

-

-

-

1.8V ~ 5.5V

-

2.4GHz

-

-

-

256kB Flash, 8kB ROM, 32kB SRAM

-

-

-

-

-

-

-

Bluetooth v4.2

-

3dB

Bluetooth, General ISM > 1GHz

-92dBm

8Mbps

-

I²C, SPI, UART

16.4mA ~ 18.7mA

16.5mA ~ 20mA

-

GFSK

-

36

-

-

-

-

• 1:$10.880698
• 10:$10.264810
• 100:$9.683783
• 500:$9.135644
View all price

Surface Mount

QFN-32

32-QFN (4x4)

EFR32MG21B020

Silicon Labs

96 kB

RAM

-

2500

-

I2C, USART

Silicon Laboratories

-

80 MHz

2 Mbps

+ 125 C

Silicon Labs

- 40 C

-

Yes

SMD/SMT

20 I/O

Tape & Reel (TR);Cut Tape (CT);Digi-Reel®;

-

-

EFR32MG21

Active

-

Details

-

8.8 mA

33.8 mA

3.8 V

1.71 V

-

-40°C ~ 125°C (TA)

Cut Tape

-

Bluetooth, Zigbee

-

-

Wireless & RF Integrated Circuits

Si

1.71V ~ 3.8V

-

2.4GHz ~ 2.4835GHz

2.4 GHz

-

-

1MB Flash, 96kB RAM

Flash

1 MB

20 dBm

-

32 bit

RF System on a Chip - SoC

-

Bluetooth v5.1, Thread, Zigbee®

-

20dBm

802.15.4, Bluetooth

- 94.4 dBm

2Mbps

-

I²C, I²S, SPI, IrDA, UART, USART

8.8mA ~ 9.8mA

9.3mA ~ 185mA

3 Timer

DSSS, GFSK, O-QPSK

-

20

RF System on a Chip - SoC

-

4 mm

4 mm

• 1:$3.402646
• 10:$3.210043
• 100:$3.028342
• 500:$2.856927
View all price

Surface Mount

QFN-32

32-QFN (4x4)

EFR32BG21B010

Silicon Labs

64 kB

RAM

-

490

-

I2C, USART

Silicon Laboratories

-

80 MHz

2 Mbps

+ 125 C

Silicon Labs

- 40 C

-

Yes

SMD/SMT

20 I/O

Tray

-

-

EFR32BG21

Active

-

Details

-

8.8 mA

33.8 mA

3.8 V

1.71 V

-

-40°C ~ 125°C (TA)

Tray

Blue Gecko

Bluetooth

-

-

Wireless & RF Integrated Circuits

Si

1.71V ~ 3.8V

-

2.4GHz ~ 2.4835GHz

2.4 GHz

-

-

512kB Flash, 64kB RAM

Flash

512 kB

10 dBm

-

32 bit

RF System on a Chip - SoC

-

Bluetooth v5.1

-

10dBm

Bluetooth

- 94.4 dBm

2Mbps

-

I²C, I²S, SPI, IrDA, UART, USART

8.8mA ~ 9.8mA

9.3mA ~ 185mA

3 Timer

GFSK

-

20

RF System on a Chip - SoC

-

4 mm

4 mm

• 1:$4.602897
• 10:$4.342356
• 100:$4.096562
• 500:$3.864681
View all price

Surface Mount

QFN-32

32-QFN (4x4)

EFR32BG21B010

Silicon Labs

96 kB

RAM

-

2500

-

I2C, USART

Silicon Laboratories

-

80 MHz

2 Mbps

+ 125 C

Silicon Labs

- 40 C

-

Yes

SMD/SMT

20 I/O

Tape & Reel (TR);Cut Tape (CT);Digi-Reel®;

-

-

EFR32BG21

Active

-

Details

-

8.8 mA

33.8 mA

3.8 V

1.71 V

-

-40°C ~ 125°C (TA)

MouseReel

-

Bluetooth

-

-

Wireless & RF Integrated Circuits

Si

1.71V ~ 3.8V

-

2.4GHz ~ 2.4835GHz

2.4 GHz

-

-

1MB Flash, 96kB RAM

Flash

1 MB

10 dBm

-

32 bit

RF System on a Chip - SoC

-

Bluetooth v5.1

-

10dBm

Bluetooth

- 94.4 dBm

2Mbps

-

I²C, I²S, SPI, IrDA, UART, USART

8.8mA ~ 9.8mA

9.3mA ~ 185mA

3 Timer

GFSK

-

20

RF System on a Chip - SoC

-

4 mm

4 mm

-

-

-

-

-

-

-

-

-

-

AMS AG

-

ams

AS3940-BQFT

-

-

-

-

-

-

-

-

-

-

5 X 5 MM, ROHS COMPLIANT, QFN-32

Active

-

-

5.59

-

Yes

-

-

-

-

-

-

-

-

-

-

-

-

-

-

unknown

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

Compliant

-

-

-

-

-

-

-

Tape & Reel (TR)

-

-

105 °C

-40 °C

-

-

-

-

316 MHz

-

5.25 V

SPI

-

-

-

-

20 kbps

-

-

-

-

-

-

-

-

-

-

-

10.5 mA

17.3 mA

-

-

-116.5 dBm

-

-

-

-

-

-

-

-

-

-

Silicon Labs

-

-

-

1

-

-

Silicon Laboratories

-

-

-

+ 85 C

-

- 40 C

-

-

-

-

-

-

-

-

-

-

Details

-

26 mA

31 mA

3.6 V

2.1 V

Ember

-

-

EM357

-

85 °C

-40 °C

Wireless & RF Modules

-

-

-

-

-

2.1 V to 3.6 V

-

-

-

-

3 dBm

250 kbps

-

Zigbee Modules

-

-

-

-

-

- 100 dBm

-

-

-

-

-

-

-

-100 dBm

-

Zigbee Modules - 802.15.4

-

-

-

-

Surface Mount

40-VFQFN Exposed Pad

40-QFN (6x6)

-

-

-

-

-

-

-

-

-

-

-

-

-

Infineon Technologies

-

-

-

-

-

Tray

-

-

-

Obsolete

-

-

-

-

-

-

-

-

0°C ~ 70°C

-

PRoC®

TxRx + MCU

-

-

-

-

4V ~ 5.25V

-

2.4GHz

-

-

-

8kB Flash, 256B SRAM

-

-

-

-

-

-

-

-

-

0dBm

General ISM > 1GHz

-90dBm

1.5Mbps

-

SPI, USB

20.2mA ~ 23.4mA

22.4mA ~ 27.7mA

-

DSSS, GFSK

-

14

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

Qualcomm

-

-

-

-

-

Tray

-

-

-

Last Time Buy

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

• 1:$1.942363
• 10:$1.832418
• 100:$1.728696
• 500:$1.630845
View all price

Surface Mount

48-VFQFN Exposed Pad

48-QFN (6x6)

NRF52810

-

24 kB

RAM

-

-

-

SPI

-

-

64 MHz

2 Mbps

+ 85 C

Nordic Semiconductor ASA

- 40 C

-

-

SMD/SMT

32 I/O

Tape & Reel (TR);Cut Tape (CT);Digi-Reel®;

-

-

-

Active

-

-

-

11.2 mA

15.4 mA

3.6 V

1.7 V

-

-40°C ~ 85°C (TA)

-

-

TxRx + MCU

-

-

Wireless & RF Integrated Circuits

Si

1.7V ~ 3.6V

-

2.4GHz

2360 MHz to 2500 MHz

1.7 V to 3.6 V

-

192kB Flash, 24kB RAM

Flash

192 kB

8 dBm

-

32 bit

RF System on a Chip - SoC

- 40 C to + 85 C

Bluetooth, Thread

-

-96dBm

Bluetooth

-96dBm

2Mbps

8 Channel

I²C, PCM, PWM, SPI, UART

4.6mA

4.6mA ~ 7mA

3 Timer

FSK

-

21

-

0.85 mm

6 mm

6 mm

-

Surface Mount

32-VFQFN Exposed Pad

32-QFN (5x5)

-

-

-

-

-

-

-

-

-

-

-

-

-

ams OSRAM

-

-

-

-

-

Tape & Reel (TR)

-

-

-

Obsolete

-

-

-

-

-

-

-

-

-40°C ~ 85°C

-

-

TxRx Only

-

-

-

-

2.2V ~ 3.6V

-

2.4GHz

-

-

-

-

-

-

-

-

-

-

-

-

-

1.5dBm

General ISM > 1GHz

-100dBm

2Mbps

-

SDI

20.9mA

21.5mA

-

FSK

-

-

-

-

-

-

-

Surface Mount

254-TFBGA, FCBGA

254-FCBGA (10x10)

CYW43570

-

-

-

-

-

-

-

-

-

-

-

-

Infineon Technologies

-

-

-

-

-

Tray

-

-

-

Discontinued at Digi-Key

-

-

-

-

-

-

-

-

0°C ~ 60°C

-

-

TxRx + MCU

-

-

-

-

3.3V

-

2.4GHz, 5GHz

-

-

-

668kB ROM, 200KB RAM

-

-

-

-

-

-

-

802.11ac, Bluetooth v4.1 +EDR

-

20dBm

Bluetooth, WiFi

-99dBm

-

-

I²S, JTAG, SPI, UART, USB

79mA ~ 220mA

250mA ~ 620mA

-

4DQPSK, 8DPSK, GFSK

-

16

-

-

-

-

• 1:$3.267865
• 10:$3.082891
• 100:$2.908388
• 500:$2.743762
View all price

Surface Mount

33-UFBGA, WLCSP

33-WLCSP (2.48x2.46)

NRF52811

-

24 kB

RAM

-

-

-

SPI

-

-

64 MHz

2 Mbps

+ 85 C

Nordic Semiconductor ASA

- 40 C

-

-

SMD/SMT

32 I/O

Tape & Reel (TR)

-

-

-

Active

-

-

-

11.2 mA

15.4 mA

3.6 V

1.7 V

-

-40°C ~ 85°C

-

nRF52

TxRx + MCU

-

-

Wireless & RF Integrated Circuits

Si

1.7V ~ 3.6V

-

2.4GHz

2360 MHz to 2500 MHz

1.7 V to 3.6 V

-

192kB Flash, 24kB RAM

Flash

192 kB

4 dBm

-

32 bit

RF System on a Chip - SoC

- 40 C to + 85 C

Bluetooth v5.1

-

4dBm

Bluetooth

-104dBm

2Mbps

8 Channel

I²C, SPI, UART

3.5mA ~ 11.2mA

2.1mA ~ 15.4mA

3 Timer

FSK

-

32

-

0.85 mm

6 mm

6 mm

• 1:$2.543524
• 10:$2.399551
• 100:$2.263727
• 500:$2.135592
View all price

Surface Mount

33-UFBGA, WLCSP

33-WLCSP (2.48x2.46)

NRF52810

-

24 kB

RAM

-

-

-

SPI

-

-

64 MHz

2 Mbps

+ 85 C

Nordic Semiconductor ASA

- 40 C

-

-

SMD/SMT

32 I/O

Tape & Reel (TR)

-

-

-

Active

-

-

-

11.2 mA

15.4 mA

3.6 V

1.7 V

-

-40°C ~ 85°C

-

nRF52

TxRx + MCU

-

-

Wireless & RF Integrated Circuits

Si

1.7V ~ 3.6V

-

2.4GHz

2.36 GHz to 2.5 GHz

1.7 V to 3.6 V

-

192kB Flash, 24kB RAM

Flash

192 kB

8 dBm

-

32 bit

RF System on a Chip - SoC

- 40 C to + 85 C

Bluetooth v5.0

-

4dBm

Bluetooth

-96dBm

2Mbps

8 Channel

I²C, SPI, UART

3.5mA ~ 11.2mA

2.1mA ~ 15.4mA

3 Timer

FSK

-

32

-

0.327 mm

2.482 mm

2.464 mm

-

-

-

-

IWR6843

-

-

-

-

-

-

-

-

-

-

-

-

Texas Instruments

-

-

-

-

-

Bulk

-

-

-

Active

-

-

-

-

-

-

-

-

-

-

*

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

• 1:$5.390437
• 10:$5.085318
• 100:$4.797470
• 500:$4.525915
View all price

Surface Mount, Wettable Flank

48-VFQFN Exposed Pad

48-WQFN (7x7)

CYW89820BW

Infineon Technologies

-

-

-

2500

-

-

Infineon

-

-

-

-

Infineon Technologies

-

-

-

-

-

Tape & Reel (TR)

-

-

-

Active

-

Details

-

-

-

-

-

-

-40°C ~ 105°C

Reel

Automotive, AEC-Q100, CYW89820

TxRx + MCU

-

-

Wireless & RF Modules

-

1.045V ~ 1.26V

-

2.4GHz

-

-

-

256kB Flash, 176kB RAM, 1MB ROM

-

-

-

-

-

Bluetooth Modules

-

Bluetooth v5.0 + EDR

-

-

Bluetooth

-94.5dBm

3Mbps

-

I²C, I²S, PCM, PWM, SPI, UART

-

-

-

GFSK

-

17

Infineon

-

-

-

• 1:$11.955831
• 10:$11.279086
• 100:$10.640647
• 500:$10.038346
View all price

Surface Mount

395-XFBGA, WLCSP

395-WLCSP (4.87x7.67)

CYW4356

Infineon Technologies

-

-

-

5000

-

-

Infineon

-

-

-

-

Infineon Technologies

-

-

-

-

-

Tape & Reel (TR)

-

-

-

Not For New Designs

-

Details

-

-

-

-

-

-

-30°C ~ 85°C

Reel

-

TxRx + MCU

-

-

Wireless & RF Integrated Circuits

Si

1.2V ~ 3.3V

-

2.4GHz

-

-

-

-

-

-

-

-

-

RF Microcontrollers - MCU

-

802.11a/b/g/n, Bluetooth v4.1

-

19.5dBm

Bluetooth, WiFi

-95dBm

-

-

I²S, SPI, UART

-

-

-

8DPSK, DQPSK, GFSK

-

16

RF Microcontrollers - MCU

-

-

-

• 1:$0.837046
• 10:$0.789666
• 100:$0.744968
• 500:$0.702800
View all price

Surface Mount

74-UFBGA, WLBGA

74-WLBGA (4.87x2.87)

CYW43364

Infineon Technologies

-

-

-

5000

-

-

Infineon

-

-

-

-

Infineon Technologies

-

-

-

-

-

Tape & Reel (TR);Cut Tape (CT);Digi-Reel®;

-

-

-

Not For New Designs

-

Details

-

-

-

-

-

-

-30°C ~ 70°C

Reel

-

TxRx + MCU

-

-

Wireless & RF Integrated Circuits

Si

3.3V

-

2.4GHz

-

-

-

640kB ROM, 512kB SRAM

-

-

-

-

-

RF Microcontrollers - MCU

-

802.11b/g/n

-

21dBm

WiFi

-99dBm

54Mbps

-

I²S, SPI, UART

37mA ~ 41mA

260mA ~ 320mA

-

16QAM, 64QAM, BPSK, CCK, DSSS, OFDM, QPSK

-

5

RF Microcontrollers - MCU

-

-

-