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BAS40LT1G BAS40LT1G is a Schottky barrier diode rated for 40V reverse voltage and 120mA forward current. It comes in a surface mount SOT-23-3 package.
Mfr Part #:

BAS40LT1G

Available from 5 distributors
Mfr Name: On Semiconductor
On Semiconductor
BAS40LT1G is a Schottky barrier diode rated for 40V reverse voltage and 120mA forward current. It comes in a surface mount SOT-23-3 package.
Total Stock: 170,508 pcs
$ Price Range: $0.03 - $0.17

BAS40LT1G Available from 5 distributors

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Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
90,098 pcs
90098 pcs On Request 1 On Request On Request 17+ On Request On Request
Non-Authorised Inventory information
76,020 pcs
76020 pcs On Request 1 On Request On Request On Request On Request On Request
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2,800 pcs
2800 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
1,580 pcs
1580 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
10 pcs
10 pcs On Request 1 On Request On Request NO DC On Request 2026-05-08 07:15:28

BAS40LT1G Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Capacitance @ Vr, F
Current
Forward Continuous Current
Forward Power Dissipation
Forward Surge Current (Maximum @ t = 1 s)
Forward Surge Current (Maximum @ t = 10 ms)
Forward Voltage (Maximum @ IF = 1 mA)
Forward Voltage (Maximum @ IF = 10 mA)
Forward Voltage (Maximum @ IF=40 mA)
Halogen Free
Mounting Type
Operating Junction Temperature
Operating Temperature
Package / Case
Reverse Breakdown Voltage
Reverse Leakage Current
Reverse Voltage
Speed
Standard Package Quantity
Storage Temperature
Supplier Device Package
Tape & Reel
Technology
Thermal Resistance (Junction-to-Ambient) (Typical @ FR -4 @ 1.0 x 1.0 in pad)
Thermal Resistance (Junction-to-Ambient) (Typical @ FR -4 @ minimum pad)
Total Capacitance
Voltage

BAS40LT1G Description

Short technical summary and product information.

The BAS40LT1G is a Schottky barrier diode designed for high-speed switching, circuit protection, and voltage clamping. It features an extremely low forward voltage of 380 mV at 1 mA, reducing conduction loss. The diode is rated for a maximum reverse voltage of 40 V and a continuous forward current of 120 mA. It can handle surge currents up to 600 mA for 10 ms and 200 mA for 1 s. The device operates over a junction temperature range of -55°C to 150°C and has a maximum power dissipation of 225 mW at 25°C (derate 1.8 mW/°C above 25°C). The BAS40LT1G is housed in a surface mount SOT-23-3 (TO-236) package, making it suitable for compact designs. It is supplied in tape and reel packaging with 3000 pieces per reel. The device is Pb-free, halogen-free, and RoHS compliant. Typical applications include high-speed switching, voltage clamping, and protection circuits in portable electronics.

BAS40LT1G Quick Information

Product Type: Schottky Barrier Diode
Series: BAS40L
Canonical Name: Schottky Barrier Diode, 40V, 120mA, SOT-23-3
Subcategory: Single Diodes

BAS40LT1G Compliance

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

BAS40LT1G Estimated Pricing

Qty Low High
1+ $0.17 $0.17
10+ $0.10 $0.10
100+ $0.06 $0.06
500+ $0.05 $0.05
1,000+ $0.04 $0.04
3,000+ $0.03 $0.03
6,000+ $0.03 $0.03

Estimated market price range - modelled values for guidance only, not live distributor offers.

BAS40LT1G Features

  • Schottky barrier diode for high-speed switching.
  • Rated for 40V reverse voltage maximum.
  • 120mA continuous forward current capability.
  • Low forward voltage of 380mV at 1mA.
  • Surface mount SOT-23-3 package.

BAS40LT1G Applications

  • High-speed switching applications.
  • Circuit protection and voltage clamping.
  • Portable and handheld device designs.
  • Low forward voltage reduces conduction loss.

BAS40LT1G FAQs

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

40 V

What is the maximum forward continuous current?

120 mA

What is the forward voltage at 1 mA?

380 mV (typical)

What package does the BAS40LT1G come in?

SOT-23-3 (TO-236)

What is the reverse leakage current at 25V?

1 µA (maximum)

What is the operating temperature range?

-55°C to 150°C

What is the total capacitance?

5 pF at 1V, 1 MHz

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