component
CMT2119A-ESR
Public Made by Adomby adom
HopeRF Micro electronics RF Transceiver ICs, SOT-23-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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CMT2119A-ESR
HopeRF Micro electronics · RF Transceiver ICs · SOT-23-6
CMT2119A-ESR from HopeRF Micro electronics, in a SOT-23-6. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | XTAL | input | 26 MHz single-ended crystal oscillator input or external 26 MHz reference clock input, which requires a coupling capacitor and 0.3 to 0.7 Vpp amplitude (per the Table 5 note on page 7). |
| 2 | GND | power_in | Ground reference pin for the device. |
| 3 | DATA | bidirectional | Data input for the data to be transmitted or the data pin for accessing the embedded EEPROM; it is pulled down internally to GND when configured for falling-edge transmission enable and pulled up internally to VDD when configured for rising-edge transmission enable. |
| 4 | CLK | input | Clock pin used to control the device and to access the embedded EEPROM, pulled up internally to VDD. |
| 5 | RFO | output | Power amplifier RF output pin. |
| 6 | VDD | power_in | Power supply input, operating from 1.8 V to 3.6 V (per Table 2 on page 5). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | HopeRF Micro electronics |
| Package | SOT-23-6 |
| Category | RF And Wireless |
| Pins | 6 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Operation Voltage Supply | VDD | 1.8 | 3.6 | V | 5 | ||
| Operation Temperature | TOP | -40 | 85 | ℃ | 5 | ||
| Supply Voltage | VDD | -0.3 | 3.6 | V | 5 | ||
| Interface Voltage | VIN | -0.3 | V | 5 | |||
| Junction Temperature | TJ | -40 | 125 | ℃ | 5 | ||
| Storage Temperature | TSTG | -50 | 150 | ℃ | 5 | ||
| Soldering Temperature | TSDR | 255 | ℃ | Lasts at least 30 seconds | 5 | ||
| ESD Rating Human Body Model (HBM) | -2 | 2 | kV | 5 | |||
| Latch-up Current | -100 | 100 | mA | @ 85 ℃ | 5 | ||
| Frequency Range | FRF | 240 | 960 | MHz | 6 | ||
| Symbol Rate (FSK/GFSK) | SR | 0.5 | 100 | ksps | FSK/GFSK | 6 | |
| Symbol Rate (OOK) | SR | 0.5 | 30 | ksps | OOK | 6 | |
| (G)FSK Modulation Deviation Range | FDEV | 1 | 200 | kHz | 6 | ||
| Maximum Output Power | POUT(Max) | 13 | dBm | 6 | |||
| Minimum Output Power | POUT(Min) | -10 | dBm | 6 | |||
| OOK PA Ramping Time | tRAMP | 0 | 1024 | us | 6 | ||
| Crystal Frequency | FXTAL | 26 | 26 | 26 | MHz | 7 | |
| Crystal Tolerance | -20 | 20 | ppm | 7 | |||
| Load Capacitance | CLOAD | 12 | 20 | pF | 7 |
CAD (KiCad official)
- Symbol:
CMT2119A-ESR - Footprint:
Package_TO_SOT_SMD:SOT-23-6 - 3D model: SOT-23-6 (KiCad packages3D, STEP)
- 3D model files:
cmt2119a-esr-etched.step/cmt2119a-esr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);cmt2119a-esr.step/cmt2119a-esr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: HopeRF Micro electronics datasheet (29 pp, sha256
d82138ad73ff20c0, retrieved 2026-10-17, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-sonnet-5-5(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).
# CMT2119A-ESR
**HopeRF Micro electronics** · RF Transceiver ICs · SOT-23-6
CMT2119A-ESR from HopeRF Micro electronics, in a SOT-23-6. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
## Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | XTAL | input | 26 MHz single-ended crystal oscillator input or external 26 MHz reference clock input, which requires a coupling capacitor and 0.3 to 0.7 Vpp amplitude (per the Table 5 note on page 7). |
| 2 | GND | power_in | Ground reference pin for the device. |
| 3 | DATA | bidirectional | Data input for the data to be transmitted or the data pin for accessing the embedded EEPROM; it is pulled down internally to GND when configured for falling-edge transmission enable and pulled up internally to VDD when configured for rising-edge transmission enable. |
| 4 | CLK | input | Clock pin used to control the device and to access the embedded EEPROM, pulled up internally to VDD. |
| 5 | RFO | output | Power amplifier RF output pin. |
| 6 | VDD | power_in | Power supply input, operating from 1.8 V to 3.6 V (per Table 2 on page 5). |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | HopeRF Micro electronics |
| Package | SOT-23-6 |
| Category | RF And Wireless |
| Pins | 6 |
## Electrical characteristics
Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Operation Voltage Supply | VDD | 1.8 | | 3.6 | V | | 5 |
| Operation Temperature | TOP | -40 | | 85 | ℃ | | 5 |
| Supply Voltage | VDD | -0.3 | | 3.6 | V | | 5 |
| Interface Voltage | VIN | -0.3 | | | V | | 5 |
| Junction Temperature | TJ | -40 | | 125 | ℃ | | 5 |
| Storage Temperature | TSTG | -50 | | 150 | ℃ | | 5 |
| Soldering Temperature | TSDR | | | 255 | ℃ | Lasts at least 30 seconds | 5 |
| ESD Rating Human Body Model (HBM) | | -2 | | 2 | kV | | 5 |
| Latch-up Current | | -100 | | 100 | mA | @ 85 ℃ | 5 |
| Frequency Range | FRF | 240 | | 960 | MHz | | 6 |
| Symbol Rate (FSK/GFSK) | SR | 0.5 | | 100 | ksps | FSK/GFSK | 6 |
| Symbol Rate (OOK) | SR | 0.5 | | 30 | ksps | OOK | 6 |
| (G)FSK Modulation Deviation Range | FDEV | 1 | | 200 | kHz | | 6 |
| Maximum Output Power | POUT(Max) | | | 13 | dBm | | 6 |
| Minimum Output Power | POUT(Min) | -10 | | | dBm | | 6 |
| OOK PA Ramping Time | tRAMP | 0 | | 1024 | us | | 6 |
| Crystal Frequency | FXTAL | 26 | 26 | 26 | MHz | | 7 |
| Crystal Tolerance | | -20 | | 20 | ppm | | 7 |
| Load Capacitance | CLOAD | 12 | | 20 | pF | | 7 |
## CAD (KiCad official)
- Symbol: `CMT2119A-ESR`
- Footprint: `Package_TO_SOT_SMD:SOT-23-6`
- 3D model: SOT-23-6 (KiCad packages3D, STEP)
- 3D model files: `cmt2119a-esr-etched.step` / `cmt2119a-esr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `cmt2119a-esr.step` / `cmt2119a-esr.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [HopeRF Micro electronics datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588881236744155136) (29 pp, sha256 `d82138ad73ff20c0`, retrieved 2026-10-17, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-sonnet-5-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
- **CAD:** KiCad official libraries (CC-BY-SA 4.0).
[Datasheet PDF](docs/cmt2119a-esr-datasheet.pdf)