Part #/ Keyword
All Products

P0102DA 1AA3: Features, Specs & More

2025-12-06 15:24:45Mr.Ming
twitter photos
twitter photos
twitter photos
P0102DA 1AA3: Features, Specs & More

If you are working on electronics circuits that require precise current control, the STMicroelectronics P0102DA 1AA3 is a compact and reliable solution. This 3-pin SCR (Silicon Controlled Rectifier) is designed to handle moderate voltage and current applications, making it ideal for both hobbyist and industrial use. In this comprehensive article, we'll delve into the intricacies of the P0102DA 1AA3, uncovering its definition, key features, specifications, applications, and a closer look at its manufacturer.

 

Catalog

P0102DA 1AA3's Overview

Key Features

Specifications

Applications

P0102DA 1AA3's Manufacturer

Conclusion

 

P0102DA 1AA3's Overview

The P0102DA 1AA3 is a silicon-controlled rectifier (SCR) manufactured by STMicroelectronics. It is designed to handle moderate voltage and current levels in small to medium-scale electronics projects. With its 3-pin TO-92 package, this device is ideal for through-hole mounting on printed circuit boards (PCBs). Its compact design and industrial-grade temperature tolerance make it suitable for harsh operating environments.

 

Key Features

Let's delve into the standout features that make the P0102DA 1AA3 a standout in the world of electronics:

· The P0102DA 1AA3 supports a repetitive peak reverse voltage of 400V.

· It has a maximum gate trigger voltage of 0.8V for easy activation.

· The maximum gate trigger current is only 0.2mA, reducing control circuit load.

· It can handle a surge current rating of up to 8A without damage.

· The SCR maintains a peak on-state voltage of 1.95V at 1.6A.

· Its repetitive peak off-state current is exceptionally low at 1µA.

· The holding current is minimal at 5mA, ensuring reliable latching.

· The device is rated for an average on-state current of 0.5A.

· It supports a high maximum rate of rise of off-state voltage at 75V/µs.

· The maximum rate of rise of on-state current reaches 50A/µs.

· It has a compact TO-92 through-hole package with dimensions 4.95 x 3.94 x 4.95mm.

 

Specifications

Now, let's take a closer look at the technical specifications that define the capabilities of the P0102DA 1AA3:

Type

Parameter

Maximum Rate of Rise of Off-State Voltage (V/us)

75(Min)

Maximum Rate of Rise of On-State Current (A/us)

50

Maximum Gate Trigger Voltage (V)

0.8

Maximum Gate Trigger Current (mA)

0.2

Surge Current Rating (A)

8

Maximum Holding Current (mA)

5

Repetitive Peak Reverse Voltage (V)

400

Maximum Gate Peak Inverse Voltage (V)

8(Min)

Peak On-State Voltage (V)

1.95@1.6A

Repetitive Peak Forward Blocking Voltage (V)

400

Rated Average On-State Current (A)

0.5

Repetitive Peak Off-State Current (mA)

0.001

Phase Control

No

Minimum Operating Temperature (°C)

-40

Maximum Operating Temperature (°C)

125

Supplier Temperature Grade

Industrial

Mounting

Through Hole

Package Height

4.95(Max)

Package Width

3.94(Max)

Package Length

4.95(Max)

PCB changed

3

Standard Package Name

TO

Supplier Package

TO-92

Pin Count

3

Lead Shape

Through Hole

 * P0102DA 1AA3's Datasheet

 

Applications

The P0102DA 1AA3 SCR is commonly used in:

· Low-power AC switching circuits for industrial machines.

· Surge protection modules to safeguard sensitive electronics.

· Temperature and motor control circuits in appliances.

· Lighting dimmers and small power supply regulation.

· Timing circuits requiring precise on/off switching.

 

P0102DA 1AA3's Manufacturer

STMicroelectronics, often abbreviated as ST, is a global semiconductor manufacturer with a long-standing reputation for producing innovative and high-quality electronic components. With headquarters in eneva, Switzerland, and a strong international presence, STMicroelectronics is a leading player in the semiconductor industry. They specialize in designing and manufacturing a wide range of semiconductor devices, including microcontrollers, sensors, power management solutions, and more. STMicroelectronics is trusted by industries worldwide, including automotive, consumer electronics, industrial, and telecommunications, for their cutting-edge technology and commitment to advancing the field of electronics.

 

Conclusion

The STMicroelectronics P0102DA 1AA3 SCR is a versatile and reliable solution for controlling low-to-medium power AC and DC circuits. Its compact design, low gate trigger requirements, and industrial temperature range make it suitable for a wide range of electronics applications. Whether you are designing a hobby project or an industrial control system, this SCR offers efficiency, durability, and precise performance.

* Solemnly declare: The copyright of this article belongs to the original author. The reprinted article is only for the purpose of disseminating more information. If the author's information is marked incorrectly, please contact us to modify or delete it as soon as possible. Thank you for your attention!