SZ1SMB5918BT3G Zener diode with 5.1V nominal voltage and 3W maximum power dissipation. Surface mount DO-214AA (SMB) package.
Mfr Part #:

SZ1SMB5918BT3G

Available from 2 distributors
Mfr Name: On Semiconductor
On Semiconductor
Zener diode with 5.1V nominal voltage and 3W maximum power dissipation. Surface mount DO-214AA (SMB) package.
✓ Total Stock: 11,321 pcs
$ Price Range: $0.25 - $1.14

SZ1SMB5918BT3G Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
10,000 pcs
10000 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
1,321 pcs
1321 pcs On Request 1 On Request On Request On Request On Request On Request

SZ1SMB5918BT3G Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Current
Impedance (Max) (Zzt)
Lead Style
Mounting Type
Operating Temperature
Power
Supplier Device Package
Termination Style
Tolerance
Voltage

SZ1SMB5918BT3G Description

Short technical summary and product information.

The On Semiconductor SZ1SMB5918BT3G is a 3W surface mount Zener voltage regulator diode. It offers a nominal Zener voltage of 5.1V with a tolerance of ±5%. The device is designed for general purpose voltage regulation and protection applications. It is housed in a DO-214AA (SMB) surface mount package, featuring modified L-Bend leads for improved solder joint reliability. Key electrical characteristics include a maximum Zener impedance of 4Ω at the test current, a maximum reverse leakage current of 5µA at 2V, and a maximum forward voltage of 1.5V at 200mA. The device operates over a junction temperature range of -65°C to 150°C. It has an ESD rating of Class 3 (>16kV) per the Human Body Model and is rated UL 94 V-0 for flammability.

SZ1SMB5918BT3G Quick Information

Product Type: Zener Diode
Series: SZ1SMB59xxT3G
Canonical Name: On Semiconductor SZ1SMB5918BT3G Zener Diode 5.1V 3W SMB
Subcategory: Single Zener Diode

SZ1SMB5918BT3G Compliance

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

SZ1SMB5918BT3G Estimated Pricing

Qty Low High
1+ $1.14 $1.14
10+ $0.71 $0.71
100+ $0.47 $0.47
500+ $0.36 $0.36
1,000+ $0.33 $0.33
2,500+ $0.27 $0.27
5,000+ $0.25 $0.25

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

SZ1SMB5918BT3G Features

  • Nominal Zener voltage of 5.1V with ±5% tolerance.
  • 3W maximum power dissipation at lead temperature 75°C.
  • Surface mount DO-214AA (SMB) package with L-Bend leads.
  • ESD rating of Class 3 (>16kV) per Human Body Model.
  • Flammability rating UL 94 V-0.

SZ1SMB5918BT3G Applications

  • Voltage regulation in power supply circuits.
  • Overvoltage protection for sensitive electronics.
  • Reference voltage generation for comparators and ADCs.
  • General purpose clamping in low voltage systems.

SZ1SMB5918BT3G FAQs

5 frequently asked questions generated from this part’s specifications.
What is the Zener voltage of the SZ1SMB5918BT3G?

The nominal Zener voltage is 5.1V with a tolerance of ±5%.

What is the power dissipation rating?

The maximum steady state power dissipation is 3W at lead temperature 75°C, and 550mW at ambient temperature 25°C on an FR-4 board.

What package does this Zener diode use?

It is available in a surface mount DO-214AA (SMB) package.

What is the maximum forward voltage?

The maximum forward voltage is 1.5V at a forward current of 200mA.

Is this component RoHS compliant?

The datasheet states it is Pb-Free, and it is listed as RoHS3 Compliant (unverified).

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