BAS21LT1 BAS21LT1 is a high voltage switching diode from ON Semiconductor with 250V continuous reverse voltage and 200mA forward current. It offers 50ns reverse recovery time and is housed in a surface mount SOT-23-3 package.
Mfr Part #:

BAS21LT1

Available from 6 distributors
Mfr Name: On Semiconductor
On Semiconductor
BAS21LT1 is a high voltage switching diode from ON Semiconductor with 250V continuous reverse voltage and 200mA forward current. It offers 50ns reverse recovery time and is housed in a surface mount SOT-23-3 package.
Total Stock: 10,409 pcs

BAS21LT1 Available from 6 distributors

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BAS21LT1 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Capacitance
Capacitance @ Vr, F
Continuous Forward Current
Continuous Reverse Voltage
Current
Forward Voltage
Halogen Free
Mounting Type
Operating Junction Temperature
Package / Case
Peak Forward Surge Current
Power Dissipation
Reverse Leakage Current
Reverse Recovery Time
Reverse Recovery Time (trr)
SVHC Present
Speed
Storage Temperature Range
Supplier Device Package
Technology
Voltage

BAS21LT1 Description

Short technical summary and product information.

The BAS21LT1 is a high voltage switching diode manufactured by ON Semiconductor. It is designed for general purpose switching applications requiring high voltage capability. The diode features a maximum continuous reverse voltage of 250V and a maximum continuous forward current of 200mA, with a peak forward surge current rating of 2A (1/2 cycle, 60 Hz). The forward voltage is a maximum of 1.25V at 200mA.

 

The diode offers fast switching with a maximum reverse recovery time of 50ns. Capacitance is typically 5pF at 0V, 1MHz, making it suitable for high-speed circuits. Maximum reverse leakage current is 100nA at 200V. Power dissipation is 385mW when mounted on an FR-5 board, with an operating junction temperature range of -55 to 150°C and a storage temperature range of -55 to 150°C.

 

The BAS21LT1 is available in a surface mount SOT-23-3 package (also referred to as TO-236-3 or SC-59). It is Pb-Free, Halogen Free/BFR Free, and RoHS Compliant as per the datasheet. The device is suitable for high voltage switching in a variety of applications such as power supplies, signal processing, and protection circuits.

BAS21LT1 Quick Information

Product Type: High Voltage Switching Diode
Series: BAS21L
Canonical Name: BAS21LT1 by ON Semiconductor - High Voltage Switching Diode, 250V Reverse Voltage, 200mA Forward Current, SOT-23 Package
Subcategory: Switching Diode

BAS21LT1 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: Yes

BAS21LT1 Features

  • Maximum 250V continuous reverse voltage.
  • 200mA continuous forward current rating.
  • Fast 50ns reverse recovery time.
  • Low capacitance of 5pF typical.
  • Surface mount SOT-23-3 package.

BAS21LT1 Applications

  • Suitable for high voltage switching circuits.
  • Ideal for general purpose signal switching.
  • Used in power supply rectification stages.
  • Compatible with high-speed pulse circuits.

BAS21LT1 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the maximum continuous reverse voltage of the BAS21LT1?

250 V.

What is the maximum forward current?

200 mA.

What is the forward voltage at 200 mA?

Maximum 1.25 V.

What is the reverse recovery time?

50 ns maximum.

What is the package type?

SOT-23-3 (also TO-236-3, SC-59) surface mount package.

What is the peak forward surge current?

2 A for 1/2 cycle, 60 Hz sine wave.

What is the operating junction temperature range?

-55 to 150 °C.

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