Have a small number of parts or want to add parts manually? Request Quote manually

Search across all market segments

1SMA5931BT3G 1SMA5931BT3G is a 18V Zener diode from On Semiconductor, rated for 1.5W power dissipation. It comes in a surface mount SMA (DO-214AC) package with ±5% tolerance.
Mfr Part #:

1SMA5931BT3G

Available from 9 distributors
Mfr Name: On Semiconductor
On Semiconductor
1SMA5931BT3G is a 18V Zener diode from On Semiconductor, rated for 1.5W power dissipation. It comes in a surface mount SMA (DO-214AC) package with ±5% tolerance.
Total Stock: 43,862 pcs

1SMA5931BT3G Available from 9 distributors

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
26,020 pcs
26020 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
8,765 pcs
8765 pcs On Request 1 On Request On Request 0823+ On Request On Request
Non-Authorised Inventory information
4,535 pcs
4535 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
2,000 pcs
2000 pcs On Request 1 On Request On Request On Request On Request 2026-02-23 21:33:16
Non-Authorised Inventory information
1,077 pcs
1077 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
677 pcs
677 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
670 pcs
670 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
78 pcs
78 pcs On Request 1 On Request On Request 1726 On Request On Request
Non-Authorised Inventory information
40 pcs
40 pcs On Request 1 On Request On Request On Request On Request On Request

1SMA5931BT3G Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Current
ESD Rating
Forward Voltage
Halogen Free
Impedance (Max) (Zzt)
Industrial Grade
Lead Spacing
Lead Style
Maximum Zener Impedance (Zzt)
Medical Grade
Military Grade
Mounting Type
Operating Temperature
Operating Temperature Range
Package / Case
Power
Power Dissipation
Reverse Leakage Current
SVHC Present
Standard Package Quantity
Storage Temperature
Supplier Device Package
Tape & Reel
Termination Style
Tolerance
Voltage
Zener Voltage
Zener Voltage Tolerance

1SMA5931BT3G Description

Short technical summary and product information.

The 1SMA5931BT3G is a Zener diode from On Semiconductor, part of the 1SMA59xxBT3G series of 1.5W plastic surface mount voltage regulators. It provides a nominal Zener voltage of 18V with a tolerance of ±5%. The device is rated for 1.5W power dissipation at a lead temperature of 75°C (derated above 75°C).

 

Key electrical characteristics include a maximum Zener impedance (Zzt) of 12Ω, reverse leakage current of 500nA at 13.7V, and a forward voltage of 1.5V at 200mA. The diode features an ESD rating of Class 3 (>16kV) per the Human Body Model, ensuring robust electrostatic discharge protection.

 

The component is housed in a surface mount DO-214AC (SMA) package, with a cathode band for polarity identification. It supports an operating temperature range of -65°C to 150°C and is suitable for general-purpose voltage regulation, overvoltage protection, and voltage reference applications in compact designs.

1SMA5931BT3G Quick Information

Product Type: Zener Diode
Series: 1SMA59xxBT3G
Canonical Name: 1SMA5931BT3G Zener Diode
Subcategory: Single Zener Diode

1SMA5931BT3G Compliance

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

1SMA5931BT3G Features

  • 18V Zener voltage with ±5% tolerance.
  • 1.5W power dissipation capability.
  • Surface mount SMA package design.
  • ESD rating of Class 3 (>16kV).
  • Wide operating temperature range -65°C to 150°C.

1SMA5931BT3G Applications

  • Voltage regulation in power supplies.
  • Overvoltage protection circuits.
  • Voltage reference in analog circuits.
  • General purpose voltage clamping.

1SMA5931BT3G FAQs

7 frequently asked questions generated from this part’s specifications.
What is the Zener voltage of the 1SMA5931BT3G?

The Zener voltage is 18V with a tolerance of ±5%.

What is the power dissipation rating of this Zener diode?

The power dissipation is 1.5W.

What is the forward voltage of the 1SMA5931BT3G?

The forward voltage is 1.5V at 200mA.

What package does the 1SMA5931BT3G come in?

It comes in a surface mount DO-214AC (SMA) package.

What is the reverse leakage current of this diode?

Reverse leakage current is 500nA at 13.7V.

What is the maximum Zener impedance?

The maximum Zener impedance (Zzt) is 12Ω.

What is the operating temperature range?

The operating temperature range is -65°C to 150°C.

Home
Categories
Submit RFQ
Login
Account

Categories