System on a Chip (SoC) RF FG23, Sub-GHz, 256kB Flash, 32kB RAM, +20 dBm, QFN40
+2 imágenes
EFR32FG23A020F256GM40-CR
Silicon Labs
1:
S/30.57
3,952 En existencias
N.º de artículo de Mouser
634-FG2320F256GM40CR
Silicon Labs
System on a Chip (SoC) RF FG23, Sub-GHz, 256kB Flash, 32kB RAM, +20 dBm, QFN40
3,952 En existencias
Embalaje alternativo
1
S/30.57
10
S/22.45
25
S/20.90
100
S/18.40
250
Ver
2,500
S/12.64
250
S/17.46
500
S/15.65
1,000
S/13.20
2,500
S/12.64
Comprar
Min.: 1
Mult.: 1
Detalles
Sub-GHz
ARM Cortex M33
868 MHz, 915 MHz, 920 MHz
2 Mbps
20 dBm
- 96.9 dBm
1.71 V
3.8 V
4.2 mA
85.5 mA
256 kB
- 40 C
+ 85 C
QFN-40
Reel, Cut Tape, MouseReel
System on a Chip (SoC) RF Mighty Gecko, QFN32, 2.4G, 20dB, mesh multiprotocol, 512kB, 64kB(RAM), 20 GPIO
EFR32MG21A020F512IM32-BR
Silicon Labs
1:
S/21.41
2,110 En existencias
N.º de artículo de Mouser
634-MG21A020F51232BR
Silicon Labs
System on a Chip (SoC) RF Mighty Gecko, QFN32, 2.4G, 20dB, mesh multiprotocol, 512kB, 64kB(RAM), 20 GPIO
2,110 En existencias
Embalaje alternativo
1
S/21.41
10
S/19.14
25
S/18.71
100
S/16.47
250
Ver
2,500
S/11.35
250
S/15.61
500
S/14.02
1,000
S/11.83
2,500
S/11.35
Comprar
Min.: 1
Mult.: 1
Detalles
Bluetooth 5.1, Thread, Zigbee
ARM Cortex M33
2.4 GHz
2 Mbps
20 dBm
- 94.4 dBm
1.71 V
3.8 V
8.8 mA
33.8 mA
512 kB
- 40 C
+ 125 C
QFN-32
Reel, Cut Tape, MouseReel
System on a Chip (SoC) RF 8051 Sub-GHz RF transmitter
+3 imágenes
SI4010-C2-GS
Silicon Labs
1:
S/20.98
2,546 En existencias
N.º de artículo de Mouser
634-SI4010-C2-GS
Silicon Labs
System on a Chip (SoC) RF 8051 Sub-GHz RF transmitter
2,546 En existencias
Embalaje alternativo
1
S/20.98
10
S/18.15
25
S/16.25
100
S/15.61
250
Ver
250
S/14.71
500
S/13.76
1,176
S/13.20
2,352
S/13.03
Comprar
Min.: 1
Mult.: 1
Detalles
Sub-GHz
8051
27 MHz to 960 MHz
100 kbps
10 dBm
1.8 V
3.6 V
- 40 C
+ 85 C
SOIC-14
Tube
System on a Chip (SoC) RF SoC RF transmitter with 8051
SI4010-C2-GSR
Silicon Labs
1:
S/27.65
2,744 En existencias
N.º de artículo de Mouser
634-SI4010-C2-GSR
Silicon Labs
System on a Chip (SoC) RF SoC RF transmitter with 8051
2,744 En existencias
Embalaje alternativo
1
S/27.65
10
S/22.15
25
S/20.64
100
S/18.15
250
Ver
2,500
S/12.38
250
S/17.20
500
S/15.44
1,000
S/13.03
2,500
S/12.38
5,000
Presupuesto
Comprar
Min.: 1
Mult.: 1
Detalles
8051
27 MHz to 960 MHz
100 kbps
10 dBm
1.8 V
3.6 V
- 40 C
+ 85 C
SOIC-14
Reel, Cut Tape
System on a Chip (SoC) RF SMD IC ESP8285, 1MB SPI flash inside, QFN32-pin, 5*5mm
+1 imagen
ESP8285
Espressif Systems
1:
S/18.71
1,157 En existencias
N.º de artículo del Fabricante
ESP8285
N.º de artículo de Mouser
356-ESP8285
Espressif Systems
System on a Chip (SoC) RF SMD IC ESP8285, 1MB SPI flash inside, QFN32-pin, 5*5mm
1,157 En existencias
1
S/18.71
10
S/12.38
25
S/11.27
100
S/9.59
1,000
S/6.92
2,000
Ver
250
S/9.12
500
S/8.17
2,000
S/6.67
5,000
S/6.54
Comprar
Min.: 1
Mult.: 1
Detalles
Wi-Fi
RISC
2.4 GHz
72.2 Mbps
19 dBm
- 70 dBm
2.7 V
3.6 V
73 mA
197 mA
1 MB
- 40 C
+ 85 C
QFN-32
Reel, Cut Tape, MouseReel
System on a Chip (SoC) RF ATWILC1000 802.11 b/g/n IC
ATWILC1000B-MU-T042
Microchip Technology
1:
S/14.32
5,907 En existencias
N.º de artículo de Mouser
579-ATWILC1BMUT042
Microchip Technology
System on a Chip (SoC) RF ATWILC1000 802.11 b/g/n IC
5,907 En existencias
1
S/14.32
25
S/13.16
100
S/13.03
4,000
S/12.51
Comprar
Min.: 1
Mult.: 1
Detalles
Wi-Fi
APS3
2.4 GHz
72.2 Mbps
18.6 dBm
- 94 dBm
1.62 V
4.2 V
63 mA
266 mA
128 kB
- 40 C
+ 85 C
VQFN-29
Reel, Cut Tape, MouseReel
System on a Chip (SoC) RF Blue Gecko, QFN32, 2.4G, 10dB, Bluetooth 5.1, 1024kB, 96kB(RAM), 20 GPIO
EFR32BG21A010F1024IM32-BR
Silicon Labs
1:
S/22.23
2,867 En existencias
N.º de artículo de Mouser
634-B21A010F102432BR
Silicon Labs
System on a Chip (SoC) RF Blue Gecko, QFN32, 2.4G, 10dB, Bluetooth 5.1, 1024kB, 96kB(RAM), 20 GPIO
2,867 En existencias
Embalaje alternativo
1
S/22.23
10
S/19.22
25
S/18.19
100
S/16.77
250
Ver
2,500
S/13.20
250
S/15.91
500
S/15.31
1,000
S/13.85
2,500
S/13.20
5,000
Presupuesto
Comprar
Min.: 1
Mult.: 1
Detalles
Bluetooth
ARM Cortex M33
2.4 GHz
2 Mbps
10 dBm
- 94.4 dBm
1.71 V
3.8 V
8.8 mA
33.8 mA
1 MB
- 40 C
+ 125 C
QFN-32
Reel, Cut Tape, MouseReel
System on a Chip (SoC) RF Blue Gecko BLE Soc QFN48 2.4 G 10 dB BLE/Proprietary 512 kB 64 kB(RAM) 31GPIO
+1 imagen
EFR32BG13P632F512GM48-DR
Silicon Labs
1:
S/29.67
1,970 En existencias
N.º de artículo de Mouser
634-BGP632F512GM48DR
Silicon Labs
System on a Chip (SoC) RF Blue Gecko BLE Soc QFN48 2.4 G 10 dB BLE/Proprietary 512 kB 64 kB(RAM) 31GPIO
1,970 En existencias
Embalaje alternativo
1
S/29.67
10
S/25.71
25
S/24.34
100
S/22.45
250
Ver
2,500
S/17.16
250
S/21.33
500
S/19.95
1,000
S/17.72
2,500
S/17.16
Comprar
Min.: 1
Mult.: 1
Detalles
BLE
ARM Cortex M4
2.4 GHz
2 Mbps
10 dBm
- 91.5 dBm
1.8 V
3.8 V
9.5 mA
35.3 mA
512 kB
- 40 C
+ 85 C
QFN-48
Reel, Cut Tape
System on a Chip (SoC) RF Mighty Gecko SoC QFN32 2.4 G 10 dB mesh multi-protocol 512 kB 64 kB (RAM) 16GPIO
+1 imagen
EFR32MG13P632F512GM32-DR
Silicon Labs
1:
S/34.23
22,370 En existencias
N.º de artículo de Mouser
634-MGP632F512GM32DR
Silicon Labs
System on a Chip (SoC) RF Mighty Gecko SoC QFN32 2.4 G 10 dB mesh multi-protocol 512 kB 64 kB (RAM) 16GPIO
22,370 En existencias
Embalaje alternativo
1
S/34.23
10
S/29.67
25
S/28.08
100
S/25.93
250
Ver
2,500
S/18.62
250
S/24.60
500
S/23.39
1,000
S/20.64
2,500
S/18.62
Comprar
Min.: 1
Mult.: 1
Detalles
Bluetooth, Zigbee
ARM Cortex M4
2.4 GHz
2 Mbps
10 dBm
- 91.5 dBm
1.8 V
3.8 V
10.3 mA
8.5 mA
512 kB
- 40 C
+ 85 C
QFN-32
Reel, Cut Tape
System on a Chip (SoC) RF Mighty Gecko SoC, 2.4 GHz, 256 kB flash, 32 kB RAM, 19.5 dBm, QFN-32, mesh
EFR32MG1B232F256GM32-C0R
Silicon Labs
1:
S/39.99
7,500 En existencias
NRND
N.º de artículo de Mouser
634-32MGB232F25632CR
NRND
Silicon Labs
System on a Chip (SoC) RF Mighty Gecko SoC, 2.4 GHz, 256 kB flash, 32 kB RAM, 19.5 dBm, QFN-32, mesh
7,500 En existencias
Embalaje alternativo
1
S/39.99
10
S/34.70
25
S/32.90
100
S/30.36
250
Ver
2,500
S/23.69
250
S/28.85
500
S/27.74
1,000
S/24.34
2,500
S/23.69
Comprar
Min.: 1
Mult.: 1
Detalles
Zigbee
ARM Cortex M4
2.4 GHz
1 Mbps
19 dBm
- 92.5 dBm
1.85 V
3.8 V
8.7 mA
8.2 mA
256 kB
- 40 C
+ 85 C
QFN-32
Reel, Cut Tape
System on a Chip (SoC) RF
SD3503A-CNE3R
Silicon Labs
1:
S/47.09
3,900 En existencias
NRND
N.º de artículo de Mouser
634-SD3503ACNE3R
NRND
Silicon Labs
System on a Chip (SoC) RF
3,900 En existencias
Embalaje alternativo
1
S/47.09
10
S/40.64
25
S/38.74
100
S/33.63
250
Ver
2,000
S/24.64
250
S/32.12
500
S/29.28
1,000
S/25.71
2,000
S/24.64
4,000
Presupuesto
Comprar
Min.: 1
Mult.: 1
Detalles
Wi-Fi
8051
865.2 MHz to 926.3 MHz
100 kbps
6.5 dBm
- 104 dBm
2.3 V
3.6 V
32 mA
36 mA
128 kB
- 40 C
+ 90 C
Reel, Cut Tape
System on a Chip (SoC) RF ESP32 is a single 2.4 GHZ Wi-Fi-and-Bluetooth combo chip designed with the TSMC low-power 40 nm technology. It is designed to achieve the best power and RF performance, showing robustness, versatility and reliability in a wide variety of applications
ESP32-D0WDRH2-V3
Espressif Systems
1:
S/23.18
5,000 En existencias
Nuevo producto
N.º de artículo de Mouser
356-ESP32-D0WDRH2-V3
Nuevo producto
Espressif Systems
System on a Chip (SoC) RF ESP32 is a single 2.4 GHZ Wi-Fi-and-Bluetooth combo chip designed with the TSMC low-power 40 nm technology. It is designed to achieve the best power and RF performance, showing robustness, versatility and reliability in a wide variety of applications
5,000 En existencias
1
S/23.18
10
S/15.35
25
S/13.98
100
S/11.87
250
Ver
250
S/11.27
500
S/10.11
1,000
S/8.60
2,500
S/8.30
5,000
S/8.08
Comprar
Min.: 1
Mult.: 1
Detalles
LX6
2.412 GHz to 2.484 GHz
150 Mb/s
19.5 dBm
- 89 dBm, - 70 dBm
2.3 V
3.6 V
100 mA
240 mA
- 40 C
+ 125 C
QFN-56
System on a Chip (SoC) RF ESP32-S3 is a low-power MCU-based system on a chip (SoC) with integrated 2.4 GHz Wi-Fi and Bluetooth Low Energy (Bluetooth LE). It consists of high-performance dual-core microprocessor (Xtensa 32-bit LX7), a ULP coprocessor, a Wi-Fi baseband, a Bluet
ESP32-S3RH2
Espressif Systems
1:
S/23.99
1,905 En existencias
Nuevo producto
N.º de artículo de Mouser
356-ESP32-S3RH2
Nuevo producto
Espressif Systems
System on a Chip (SoC) RF ESP32-S3 is a low-power MCU-based system on a chip (SoC) with integrated 2.4 GHz Wi-Fi and Bluetooth Low Energy (Bluetooth LE). It consists of high-performance dual-core microprocessor (Xtensa 32-bit LX7), a ULP coprocessor, a Wi-Fi baseband, a Bluet
1,905 En existencias
1
S/23.99
10
S/15.87
25
S/14.49
100
S/12.30
250
Ver
250
S/11.65
500
S/10.49
1,000
S/9.80
2,000
S/8.30
Comprar
Min.: 1
Mult.: 1
Detalles
LX7
2.412 GHz to 2.484 GHz
150 Mb/s
21 dBm
- 97.5 dBm
3 V
3.6 V
91 mA, 93 mA
335 mA, 340 mA
2 MB
- 40 C
+ 105 C
QFN-56
System on a Chip (SoC) RF GSMA eSIM for IoT system-on-chip solution for IoT environment
ST4SI3M004600HFW
STMicroelectronics
1:
S/20.34
7,683 En existencias
Nuevo producto
N.º de artículo de Mouser
511-ST4SI3M004600HFW
Nuevo producto
STMicroelectronics
System on a Chip (SoC) RF GSMA eSIM for IoT system-on-chip solution for IoT environment
7,683 En existencias
1
S/20.34
10
S/15.39
25
S/14.15
100
S/12.77
250
Ver
4,000
S/9.07
250
S/12.13
500
S/11.35
1,000
S/9.72
4,000
S/9.07
Comprar
Min.: 1
Mult.: 1
Detalles
GSMA Embedded SIM
ARM Cortex M35P
1.8 V
3 V
- 40 C
+ 105 C
Reel, Cut Tape
System on a Chip (SoC) RF BLE 5.0, AoA/Tx, BLE Mesh, RF4CE, 32 pin QFN
TLSR8253F512AT32
Telink
1:
S/21.16
2,982 En existencias
N.º de artículo de Mouser
141-TLSR8253F512AT32
Telink
System on a Chip (SoC) RF BLE 5.0, AoA/Tx, BLE Mesh, RF4CE, 32 pin QFN
2,982 En existencias
1
S/21.16
10
S/13.98
25
S/12.77
100
S/10.84
3,000
S/7.48
6,000
Ver
250
S/10.28
500
S/9.25
1,000
S/7.91
6,000
S/7.40
Comprar
Min.: 1
Mult.: 1
Detalles
BLE 5.0
RISC
2.4 GHz
2 Mbps
10 dBm
- 93 dBm
1.8 V
3.6 V
5.3 mA
4.8 mA
512 kB
- 40 C
+ 125 C
QFN-32
Reel, Cut Tape, MouseReel
System on a Chip (SoC) RF BLE 5.0, multi-antenna AoA/AoD, BLE Mesh, 802.15.4, Zigbee 3.0, RF4CE, HomeKit, Dual-Mode, 2.4G Proprietary, 32 pin QFN
TLSR8258F512ET32
Telink
1:
S/24.04
2,786 En existencias
N.º de artículo de Mouser
141-TLSR8258F512ET32
Telink
System on a Chip (SoC) RF BLE 5.0, multi-antenna AoA/AoD, BLE Mesh, 802.15.4, Zigbee 3.0, RF4CE, HomeKit, Dual-Mode, 2.4G Proprietary, 32 pin QFN
2,786 En existencias
1
S/24.04
10
S/15.91
25
S/14.49
100
S/12.34
250
Ver
3,000
S/8.08
250
S/11.70
500
S/10.49
1,000
S/9.55
3,000
S/8.08
Comprar
Min.: 1
Mult.: 1
Detalles
BLE 5.1, multi-antenna AoA/AoD, BLE Mesh
RISC
2.4 GHz
2 Mbps
10 dBm
- 93 dBm
1.8 V
3.6 V
5.3 mA
4.8 mA
512 kB
- 40 C
+ 85 C
QFN-32
Reel, Cut Tape, MouseReel
System on a Chip (SoC) RF SMD Wi-Fi IC, ESP32-S2, singal-core MCU, QFN 56-pin, 7*7 mm
+1 imagen
ESP32-S2
Espressif Systems
1:
S/5.42
1,558 En existencias
N.º de artículo de Mouser
356-ESP32-S2
Espressif Systems
System on a Chip (SoC) RF SMD Wi-Fi IC, ESP32-S2, singal-core MCU, QFN 56-pin, 7*7 mm
1,558 En existencias
1
S/5.42
2,000
S/5.33
4,000
S/5.20
Comprar
Min.: 1
Mult.: 1
Detalles
Wi-Fi
RISC
2.4 GHz
150 Mbps
19.5 dBm
- 75 dBm
1.8 V
3.6 V
68 mA
310 mA
128 kB
- 40 C
+ 105 C
QFN-56
Reel, Cut Tape, MouseReel
System on a Chip (SoC) RF Programmable Bluetooth LE 5.2 Wireless SoC
BLUENRG-134
STMicroelectronics
1:
S/10.41
2,575 En existencias
N.º de artículo de Mouser
511-BLUENRG-134
STMicroelectronics
System on a Chip (SoC) RF Programmable Bluetooth LE 5.2 Wireless SoC
2,575 En existencias
1
S/10.41
10
S/7.65
25
S/7.01
100
S/6.19
250
Ver
2,500
S/4.64
250
S/5.85
500
S/5.46
1,000
S/5.12
2,500
S/4.64
Comprar
Min.: 1
Mult.: 1
Detalles
Bluetooth
ARM Cortex M0
2.4 GHz
2 Mbps
8 dBm
- 88 dBm
1.7 V
3.6 V
7.7 mA
15.1 mA
160 kB
- 40 C
+ 105 C
WLCSP-34
Reel, Cut Tape, MouseReel
System on a Chip (SoC) RF 48 PIN SiP 256K MCU + 802.15.4 Sub-Ghz Radio
ATSAMR30G18A-MU
Microchip Technology
1:
S/27.26
1,533 En existencias
N.º de artículo de Mouser
556-ATSAMR30G18A-MU
Microchip Technology
System on a Chip (SoC) RF 48 PIN SiP 256K MCU + 802.15.4 Sub-Ghz Radio
1,533 En existencias
1
S/27.26
25
S/24.90
100
S/23.44
250
S/22.23
416
S/21.89
Comprar
Min.: 1
Mult.: 1
Detalles
Sub-GHz
ARM Cortex M0+
1 GHz
12 Mbps
11 dBm
- 110 dBm
1.8 V
3.6 V
9.4 mA
18.2 mA
256 kB
- 40 C
+ 85 C
QFN-48
Tray
System on a Chip (SoC) RF Single-chip 60-GHz t o 64-GHz automotive AWR6843ARBGALPRQ1
AWR6843ARBGALPQ1
Texas Instruments
1:
S/264.41
116 En existencias
N.º de artículo de Mouser
595-AWR6843ARBGALPQ1
Texas Instruments
System on a Chip (SoC) RF Single-chip 60-GHz t o 64-GHz automotive AWR6843ARBGALPRQ1
116 En existencias
Embalaje alternativo
1
S/264.41
10
S/218.01
25
S/207.35
100
S/192.68
252
Ver
252
S/187.61
1,008
Presupuesto
Comprar
Min.: 1
Mult.: 1
Detalles
Radar
ARM Cortex R4F, C674x
60 GHz to 64 GHz
512 kB
- 40 C
+ 125 C
FCBGA-180
Tray
System on a Chip (SoC) RF System-on-Chip Sol A 595-CC2533F32RHAR A A 595-CC2533F32RHAR
CC2533F32RHAT
Texas Instruments
1:
S/42.18
8,500 En existencias
N.º de artículo de Mouser
595-CC2533F32RHAT
Texas Instruments
System on a Chip (SoC) RF System-on-Chip Sol A 595-CC2533F32RHAR A A 595-CC2533F32RHAR
8,500 En existencias
Embalaje alternativo
1
S/42.18
10
S/42.01
25
S/40.08
100
S/34.79
250
S/29.63
500
Ver
500
S/27.91
1,000
S/26.53
2,500
Presupuesto
Comprar
Min.: 1
Mult.: 1
Detalles
Zigbee
8051
2.4 GHz
250 kbps
4.5 dBm
- 97 dBm
2 V
3.6 V
25 mA
28.5 mA
32 kB
- 40 C
+ 125 C
VQFN-40
Reel, Cut Tape, MouseReel
System on a Chip (SoC) RF CC3200R1M2RGCR A 595 -CC3200R1M2RGC A 59 A 595-CC3200R1M2RGC
CC3200R1M2RGCR
Texas Instruments
1:
S/55.73
2,177 En existencias
N.º de artículo de Mouser
595-CC3200R1M2RGCR
Texas Instruments
System on a Chip (SoC) RF CC3200R1M2RGCR A 595 -CC3200R1M2RGC A 59 A 595-CC3200R1M2RGC
2,177 En existencias
Embalaje alternativo
1
S/55.73
10
S/48.46
25
S/45.88
100
S/42.14
250
Ver
2,500
S/34.92
250
S/40.08
500
S/37.50
1,000
S/34.96
2,500
S/34.92
5,000
Presupuesto
Comprar
Min.: 1
Mult.: 1
Detalles
Wi-Fi
ARM Cortex M4
2.4 GHz
16 Mbps
18 dBm
- 95.7 dBm
2.1 V
3.6 V
59 mA
229 mA
- 40 C
+ 85 C
VQFN-64
Reel, Cut Tape, MouseReel
System on a Chip (SoC) RF Single-chip 76-GHz t o 81-GHz mmWave sen A 595-IWR1443FQAGABLR
IWR1443FQAGABL
Texas Instruments
1:
S/119.67
371 En existencias
N.º de artículo de Mouser
595-IWR1443FQAGABL
Texas Instruments
System on a Chip (SoC) RF Single-chip 76-GHz t o 81-GHz mmWave sen A 595-IWR1443FQAGABLR
371 En existencias
Embalaje alternativo
1
S/119.67
10
S/115.41
25
S/107.29
100
S/102.21
176
Ver
176
S/102.17
528
Presupuesto
Comprar
Min.: 1
Mult.: 1
Detalles
Radar
ARM Cortex R4F
76 GHz to 81 GHz
900 Mbps
12 dBm
1.14 V
1.32 V
576 kB
- 40 C
+ 105 C
FCBGA-161
Tray
System on a Chip (SoC) RF Single-chip 76-GHz t o 81-GHz mmWave sen A 595-IWR1642AQAGABLR
IWR1642AQAGABL
Texas Instruments
1:
S/123.75
314 En existencias
N.º de artículo de Mouser
595-IWR1642AQAGABL
Texas Instruments
System on a Chip (SoC) RF Single-chip 76-GHz t o 81-GHz mmWave sen A 595-IWR1642AQAGABLR
314 En existencias
Embalaje alternativo
1
S/123.75
10
S/119.63
25
S/111.33
176
S/111.28
528
Ver
528
Presupuesto
Comprar
Min.: 1
Mult.: 1
Detalles
Radar
ARM Cortex R4F
76 GHz to 81 GHz
900 Mbps
12.5 dBm
1.14 V
1.32 V
1.5 MB
- 40 C
+ 105 C
FCBGA-161
Tray
System on a Chip (SoC) RF Single-chip 60-GHz t o 64-GHz intelligen A 595-IWR6843ABGABLR
IWR6843ABGABL
Texas Instruments
1:
S/204.08
135 En existencias
N.º de artículo de Mouser
595-IWR6843ABGABL
Texas Instruments
System on a Chip (SoC) RF Single-chip 60-GHz t o 64-GHz intelligen A 595-IWR6843ABGABLR
135 En existencias
1
S/204.08
10
S/174.58
25
S/167.23
100
S/151.58
176
Ver
176
S/140.01
528
Presupuesto
Comprar
Min.: 1
Mult.: 1
Detalles
Radar
ARM Cortex R4F, C674x
60 GHz to 64 GHz
900 Mbps
12 dBm
1.14 V
1.32 V
1.75 MB
- 40 C
+ 105 C
FCBGA-161
Tray