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ROHM Medium Power NPN Bipolar Transistor 800A, 32V, 3-Pin Surface Mount SOT-346 2SD1781KT146Q
Specifications
| Country of Origin | India |
|---|---|
| Brand | ROHM |
| Height | 1.3mm |
| Length | 3mm |
| Model | 2SD1781KT146Q |
| Width | 1.8mm |
| Mount Type | Surface |
| Series | 2SD1781K |
| Maximum Operating Temperature | 150°C |
| Package Type | SOT-346 |
| Minimum Operating Temperature | -55°C |
| Pin Count | 3 |
| Maximum Collector Emitter Voltage Vceo | 32V |
| Minimum DC Current Gain hFE | 120 |
| Transistor Polarity | NPN |
| Maximum Emitter Base Voltage VEBO | 5V |
| Maximum Collector Base Voltage VCBO | 40V |
| Maximum Power Dissipation Pd | 200mW |
| Maximum DC Collector Current Idc | 800A |
Key Features
- Maximum collector current of 800 amperes ensures handling of high currents.
- Collector-emitter voltage rating of 32 volts suitable for medium power applications.
- Compact SOT-346 surface mount package with 3 pins for easy PCB integration.
- High current gain with minimum DC current gain (hFE) of 120 improves amplifier efficiency.
- Wide operating temperature range from -55°C to 150°C for reliable performance.
- Maximum power dissipation of 200 milliwatts supports moderate power operations.
- Collector-base voltage up to 40 volts and emitter-base voltage up to 5 volts enhances device robustness.
- Ideal for low frequency amplifier and driver circuits in electronic designs.
Product Description
ROHM 2SD1781KT146Q is a medium power NPN bipolar transistor engineered to manage a maximum DC collector current of 800A and withstand a collector-emitter voltage up to 32V. Packaged in a compact 3-pin SOT-346 surface mount format, this transistor is tailored for efficient layout in modern electronic circuits.
This transistor features a minimum DC current gain (hFE) of 120, providing high amplification capability ideal for low frequency amplifier and driver applications. The device operates reliably over a wide temperature range from -55°C to 150°C, making it suitable for industrial and commercial electronic environments.
Designed with maximum power dissipation of 200mW, it ensures safe thermal tolerance within moderate power dissipation limits. Voltage withstand ratings include a collector-base voltage (VCBO) of 40V and emitter-base voltage (VEBO) of 5V, contributing to robustness against voltage spikes.
The small footprint with dimensions of approximately 3mm length, 1.8mm width, and 1.3mm height facilitates compact PCB designs, especially valuable in power management and discrete semiconductor assemblies.
This transistor finds applications in low frequency amplification circuits, signal drivers, and general semiconductor discrete device implementations in the electronics and electrical industries.
Maximum DC collector current of 800A for high current applications. Rated for 32V maximum collector-emitter voltage. Surface mount soldering with a 3-pin SOT-346 package. Minimum DC current gain (hFE) of 120 for amplification efficiency.
Operating temperature range from -55°C to 150°C supports diverse conditions. Maximum power dissipation capped at 200mW. Collector-base voltage rating of 40V and emitter-base voltage rating of 5V. Compact dimensions ensure easy integration into electronic assemblies.
Ideal for low frequency amplifiers and driver circuits.
ROHM brand transistors are widely adopted in industrial, manufacturing, telecommunications, and commercial electronics applications where reliable power transistor operation is essential.
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Frequently Asked Questions
The maximum DC collector current for this model is 800 amperes, making it suitable for high current applications.
This transistor has a collector-emitter voltage rating of 32 volts, suitable for medium power applications.
It is packaged in a compact 3-pin SOT-346 surface mount format, facilitating easy PCB integration.
The minimum DC current gain (hFE) for this transistor is 120, which enhances amplifier efficiency.
This model operates reliably over a wide temperature range from -55°C to 150°C.
The maximum power dissipation for this unit is capped at 200 milliwatts, supporting moderate power operations.
It has a collector-base voltage rating (VCBO) of 40 volts and an emitter-base voltage rating (VEBO) of 5 volts, enhancing its robustness.
The dimensions of this model are approximately 3mm in length, 1.8mm in width, and 1.3mm in height.
This transistor is ideal for low frequency amplifier and driver circuits in electronic designs.
It supports surface mount soldering, making it suitable for compact PCB designs.
The transistor polarity for this model is NPN, which is common in various electronic applications.
The country of origin for this model is India.
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