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For Internet of Things (IoT) applications there are needs of running the MCU at both high speed and low speed clocks. Typical frequencies like 16.0 / 24.0 / 32.0 / 40.0 MHz and 32.768 kHz are widely used by wireless communications such as Bluetooth Smart, Bluetooth Low Energy (BLE), WiFi, ZigBee and sub-GHz RF. HKC offers a full series of reliable frequency products that are optimized for IoT applications.
For wearable devices, low power consumption is a major requirement. Oscillation circuit with low ESR crystal is preferred and hence HKC offers a low ESR option for wearable applications.
HKC’s IoT crystals are available in tight frequency stability to fulfill IEEE 802.15.4, that is not to exceed +/-40ppm
Small is not always the trend! There are many IoT products where small form factor is not a concern but cost is most critical. HKC is still producing traditional package size for cost sensitive IoT applications.
New Release – Flyer of High precision crystals for IoT applications Click here to download
| Model | Package | Frequencies | Frequency Tolerance | Frequency Stability | Operating Temperature | Description |
| CU | 1.2 x 1.0 mm | 32MHz ~ 80MHz | ±10 ppm | ±10 / 20 ppm | -30 ~ +85°C | Smallest size available |
| CT | 1.6 x 1.25 mm | 24MHz ~ 60MHz | ±10 ppm | ±10 / 20 ppm | -30 ~ +85°C | Suitable for ultra compact wearable devices |
| CQ | 2.0 x 1.6 mm | 16MHz ~ 72MHz | ±10 ppm | ±10 / 20 ppm | -30 ~ +85°C | Extremely small form factor for wearable devices |
| CK | 2.5 x 2.0 mm | 16MHz ~ 80MHz | ±10 ppm | ±10 / 20 ppm | -30 ~ +85°C | Small footprint for most advance IoT applications |
| C7 | 3.2 x 2.5 mm | 8MHz ~ 150MHz | ±10 ppm | ±10 / 20 ppm | -30 ~ +85°C | Best balance of cost performance in common package size |
| MU MT MQ MB |
1.2 x 1.0 mm 1.6 mm x 1.0 mm 2.0 mm x 1.2 mm 3.2 mm x 1.5 mm |
32.768kHz | ±20 ppm | 0.04ppm/°C2 | -30 ~ +85°C | Low frequency standby clock in small footprint |
| 2T | 6 x Φ2 mm | 32.768kHz | ±20 ppm | 0.04ppm/°C2 | -30 ~ +85°C | Most cost effective in famous industry standard package |
| IC Brand | IC Number | Package size | Freq | CL (pF) | Ordering Code | Question | Buy Online |
| Broadcom | BCM43235 | 5032 Ceramic SMD-4 | 20 MHz | 12 | 5032M2000AB9F |  |
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| Broadcom | BCM43235 | 2520 Ceramic SMD-4 | 20 MHz | 9 | 2520M2000AB9D | |
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| Broadcom | BCM4360 | 2520 Ceramic SMD-4 | 40 MHz | 12 | 2520M4000AB9F | |
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| CSR | CSR1010 | 3225 Ceramic SMD-4 | 16 MHz | 9 | 3225M1600AH9D | |
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| CSR | CSR1010 | 2520 Ceramic SMD-4 | 16 MHz | 9 | 2520M1600AH9D | |
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| CSR | CSR8510 | 3225 Ceramic SMD-4 | 26 MHz | 6 | 3225M2600AH9A | |
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| CSR | CSR8510 | 3225 Ceramic SMD-4 | 26 MHz | 9 | 3225M2600AH9D | |
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| DME | DME_1080 | HC49US SMD-2 | 16 MHz | 8 | SS00M1600AS9C | |
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| Nordic | nRF24AP2 | 3225 Ceramic SMD-4 | 16 MHz | 9 | 3225M1600BC9D | |
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| Nordic | nRF24AP2 | 2520 Ceramic SMD-4 | 16 MHz | 6 | 2520M1600BC9A | |
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| Nordic | nRF24L01 | 3225 Ceramic SMD-4 | 16 MHz | 9 | 3225M1600BC9D | |
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| Nordic | nRF24LE1 | 3225 Ceramic SMD-4 | 16 MHz | 9 | 3225M1600BC9D | |
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| Nordic | nRF24LU1 | 3225 Ceramic SMD-4 | 16 MHz | 9 | 3225M1600BC9D | |
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| Nordic | nRF51/24/80 Series | 3215 Ceramic SMD-2 | 32.768 KHz | 9 | 3215K3276BC9D | |
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| Nordic | nRF51422 | 2520 Ceramic SMD-4 | 32 MHz | 8 | 2520M3200BC9C | |
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| Nordic | nRF51422 | 2520 Ceramic SMD-4 | 16 MHz | 8 | 2520M1600BC9C | |
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| Nordic | nRF51822 | HC49US SMD-2 | 16 MHz | 12 | SS00M1600BC9F | |
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| Nordic | nRF51822 | 2520 Ceramic SMD-4 | 32 MHz | 8 | 2520M3200BC9C | |
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| Nordic | nRF51822 | 2520 Ceramic SMD-4 | 16 MHz | 8 | 2520M1600BC9C | |
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| Nordic | nRF51824 | 2520 Ceramic SMD-4 | 32 MHz | 8 | 2520M3200BC9C | |
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| Nordic | nRF51824 | 2520 Ceramic SMD-4 | 16 MHz | 8 | 2520M1600BC9C | |
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| Nordic | nRF8001 | 3225 Ceramic SMD-4 | 16 MHz | 9 | 3225M1600BC9D | |
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| Nordic | nRF8001 | 2520 Ceramic SMD-4 | 16 MHz | 6 | 2520M1600BC9A | |
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| Nordic | nRF8001 | 2016 Ceramic SMD-4 | 16 MHz | 6 | 2016M1600BC9A | |
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| Nordic | nRF8002 | 3225 Ceramic SMD-4 | 16 MHz | 9 | 3225M1600BC9D | |
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| Nordic | nRF8002 | 2520 Ceramic SMD-4 | 16 MHz | 6 | 2520M1600BC9A | |
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| Nordic | nRF8002 | 2016 Ceramic SMD-4 | 16 MHz | 6 | 2016M1600BC9A | |
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| Nordic | nRF905 | 3225 Ceramic SMD-4 | 16 MHz | 9 | 3225M1600BC9D | |
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| Nordic | nRF9E5 | 3225 Ceramic SMD-4 | 16 MHz | 9 | 3225M1600BC9D | |
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| Remoteble | RT400 | 3225 Ceramic SMD-4 | 12 MHz | 8 | 3225M1200BF9C | |
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| Remoteble | RT400 | HC49US SMD-2 | 12 MHz | 20 | SS00M1200BF9K | |
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| St Microelectronics | STM32 Series | 2520 Ceramic SMD-4 | 24 MHz | 20 | 2520M2400AK9K | |
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| St Microelectronics | STM32 Series | 3215 Ceramic SMD-2 | 32.768 KHz | 9 | 3215K3276AK9D | |
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| TI | CC2541 | 3225 Ceramic SMD-4 | 32 MHz | 12 | 3225M3200AN9F | |
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| TI | CC2564 | 3225 Ceramic SMD-4 | 26 MHz | 15 | 3225M2600AN9L | |
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| TI | CC2564 | 3225 Ceramic SMD-4 | 38.4 MHz | 15 | 3225M3840AN9L | |
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| TI | CC2564 | 2016 Ceramic SMD-4 | 26 MHz | 15 | 2016M2600AN9L | |
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| TI | CC2564 | 2016 Ceramic SMD-4 | 38.4 MHz | 15 | 2016M3840AN9L | |
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| TI | CC2564 | 3215 Ceramic SMD-2 | 32.768 KHz | 9 | 3215K3276AN9D | |
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| TI | CC2640 | 3225 Ceramic SMD-4 | 24 MHz | 8 | 3225M2400AN9C | |
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| TI | CC2640 | 2016 Ceramic SMD-4 | 24 MHz | 8 | 2016M2400AN9C | |
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| TI | CC2640 | 3215 Ceramic SMD-2 | 32.768 KHz | 9 | 3215K3276AK9D | |
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| TI | CC2650 | 3225 Ceramic SMD-4 | 24 MHz | 8 | 3225M2400AN9C | |
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| TI | CC2650 | 2016 Ceramic SMD-4 | 24 MHz | 8 | 2016M2400AN9C | |
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| TI | CC2650 | 3215 Ceramic SMD-2 | 32.768 KHz | 9 | 3215K3276AN5D | |
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| TI | CC3200 | 3225 Ceramic SMD-4 | 40 MHz | 6.5 | 3225M4000AN9S | |
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| TI | CC3200 | 3225 Ceramic SMD-4 | 40 MHz | 8 | 3225M4000AN9C | |
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| TI | CC3200 | 2016 Ceramic SMD-4 | 40 MHz | 8 | 2016M4000AN9C | |
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| TI | CC3200 | 3215 Ceramic SMD-2 | 32.768 KHz | 12.5 | 3215K3276AN9N | |
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| TI | CC3200 | 2×6 Cylinder | 32.768 KHz | 12.5 | 2060K3276AN9N | |
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