1N5338B 1N5338B is a 5.1V Zener diode rated for 5W steady-state power dissipation in an axial lead T-18 package.
Mfr Part #:

1N5338B

Available from 4 distributors
Mfr Name: On Semiconductor
On Semiconductor
1N5338B is a 5.1V Zener diode rated for 5W steady-state power dissipation in an axial lead T-18 package.
Total Stock: 7,453 pcs
$ Price Range: $0.21 - $0.26

1N5338B Available from 4 distributors

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
3,366 pcs
3366 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
3,366 pcs
3366 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
718 pcs
718 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
3 pcs
3 pcs On Request 1 On Request On Request 2026-02-25 06:16:38 On Request On Request

1N5338B Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
ESD Rating
Impedance (Max) (Zzt)
Junction to Lead Thermal Resistance
Lead Style
Maximum Lead Temperature for Soldering
Mounting Type
Operating Junction Temperature Range (DC)
Operating Temperature
Polarity
Power
Power Derating Factor
SVHC Present
Standard Package Quantity
Storage Temperature
Storage Temperature Range
Supplier Device Package
Surge Power Rating
Tape & Reel
Termination Style
Tolerance
Voltage
Zener Voltage (Nominal)

1N5338B Description

Short technical summary and product information.

The 1N5338B is a 5.1V Zener diode from On Semiconductor's 1N53 series of 5 Watt Surmetic 40 voltage regulators. It features a nominal Zener voltage of 5.1V with ±5% tolerance and a maximum Zener impedance of 1.5Ω at the test current. The device is designed for through-hole mounting in a T-18 axial lead plastic package.

 

Electrical characteristics include a maximum forward voltage of 1.2V at 1A, reverse leakage current of 1µA at 1V, and an ESD rating of Class 3 (>16kV) per the Human Body Model. The diode can handle surge power up to 180W for 8.3ms. Operating junction temperature range is -65°C to 150°C for DC conditions, with storage temperature up to 200°C.

 

The 1N5338B is suitable for voltage regulation, clamping, and protection circuits in various electronic applications. The axial lead package allows for easy insertion in through-hole PCB designs.

1N5338B Quick Information

Product Type: Zener Diode
Series: 1N53
Canonical Name: 1N5338B Zener Diode 5.1V 5W Axial
Subcategory: Single Zener Diode

1N5338B Compliance

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

1N5338B Estimated Pricing

Qty Low High
3,000+ $0.26 $0.26
6,000+ $0.24 $0.24
9,000+ $0.21 $0.21

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

1N5338B Features

  • 5.1V nominal Zener voltage with ±5% tolerance.
  • 5W steady-state power dissipation rating.
  • ESD rating Class 3 above 16kV.
  • Axial lead T-18 through-hole package.
  • Surge power rating of 180W at 8.3ms.

1N5338B Applications

  • Voltage regulation in power supply circuits.
  • Overvoltage protection and clamping applications.
  • Reference voltage in analog circuits.
  • Surge suppression in industrial electronics.

1N5338B FAQs

5 frequently asked questions generated from this part’s specifications.
What is the Zener voltage of the 1N5338B?

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 5W at 25°C lead temperature with a derating factor of 40 mW/°C above 25°C.

What package does the 1N5338B come in?

It is available in a T-18 axial lead through-hole package.

What is the operating temperature range?

For DC conditions, the operating junction temperature range is -65°C to 150°C. Storage temperature range is -65°C to 200°C.

What is the ESD rating?

The ESD rating is Class 3 (>16 kV) per the Human Body Model.

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