



- MFR.Part #
- MMBTA14 K3D
- JLCPCB Part #
- C8521
- Package
- SOT-23
- Description
- -55℃~+150℃ 1.5V 100nA 125MHz 20000 300mA 300mW 30V NPN SOT-23 Darlington Transistors ROHS
- EasyEDA Libraries
- Datasheet
- Source
- JLCPCB
- Assembly Type
- SMT Assembly
- PCBA Type
- Economic and Standard
- MSL Level
- MSL 1
Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.
| Attributes | Value | |
|---|---|---|
| Category | Transistors/Thyristors/Darlington Transistors | |
| Manufacturer | Jiangsu Changjing Electronics Technology Co., Ltd. | |
| Package | SOT-23 | |
| Operating Temperature | -55℃~+150℃ | |
| Type | NPN | |
| Transition frequency(fT) | 125MHz | |
| Collector - Emitter Voltage VCEO | 30V | |
| DC Current Gain | 20000 | |
| Current - Collector(Ic) | 300mA | |
| Vce Saturation(VCE(sat)) | 1.5V | |
| Pd - Power Dissipation | 300mW | |
| Current - Collector Cutoff | 100nA |

* Images are for reference only
MMBTA14 K3D
Extended- MFR.Part #
- MMBTA14 K3D
- JLCPCB Part #
- C8521
- Package
- SOT-23
- Description
- -55℃~+150℃ 1.5V 100nA 125MHz 20000 300mA 300mW 30V NPN SOT-23 Darlington Transistors ROHS
- EasyEDA Libraries
- Datasheet
- Source
- JLCPCB
- Assembly Type
- SMT Assembly
- PCBA Type
- Economic and Standard
- MSL Level
- MSL 1
Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.

* Images are for reference only
- MFR.Part #
- MMBTA14 K3D
- JLCPCB Part #
- C8521
- Package
- SOT-23
- Description
- -55℃~+150℃ 1.5V 100nA 125MHz 20000 300mA 300mW 30V NPN SOT-23 Darlington Transistors ROHS
- EasyEDA Libraries
- Datasheet
- Source
- JLCPCB
- Assembly Type
- SMT Assembly
- PCBA Type
- Economic and Standard
- MSL Level
- MSL 1
Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.
MMBTA14 K3D Specifications
MMBTA14 K3D technical specifications, attributes, and parameters.
| Attributes | Value | |
|---|---|---|
| Category | Transistors/Thyristors/Darlington Transistors | |
| Manufacturer | Jiangsu Changjing Electronics Technology Co., Ltd. | |
| Package | SOT-23 | |
| Operating Temperature | -55℃~+150℃ | |
| Type | NPN | |
| Transition frequency(fT) | 125MHz | |
| Collector - Emitter Voltage VCEO | 30V | |
| DC Current Gain | 20000 | |
| Current - Collector(Ic) | 300mA | |
| Vce Saturation(VCE(sat)) | 1.5V | |
| Pd - Power Dissipation | 300mW | |
| Current - Collector Cutoff | 100nA |
PCB Assembly Tips
From components to fully assembled PCBs. JLCPCB supports PCB assembly for the MMBTA14 K3D. Sign up to receive and start your assembly today →
- 1
Step 1 - Pre-order the parts you need from JLCPCB.
- 2
Step 2 - Place a PCBA order to have those parts assembled onto your boards.
- 3
Step 3 - JLCPCB manufactures and assembles your boards in as fast as 3 days.

MMBTA14 K3D Documents
MMBTA14 K3D datasheets or manufacturer documentation.
Datasheet: MMBTA14 K3D Datasheet (PDF)
MMBTA14 K3D Schematic Symbol & PCB Footprint
The MMBTA14 K3D schematic symbol and PCB footprint are available in the EasyEDA PCB design tool.