DistyParts Icon
1N4728A The 1N4728A is a Zener Diode from QPL, operating at 3.3V with a ±5% tolerance. It is designed for voltage stabilization and clipping circuits.
Mfr Part #:

1N4728A

Available from 1 distributors
Mfr Name: QPL
QPL
The 1N4728A is a Zener Diode from QPL, operating at 3.3V with a ±5% tolerance. It is designed for voltage stabilization and clipping circuits.
✓ Total Stock: 227 pcs
$ Price Range: $0.99

1N4728A Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Speed Components Ltd ✓
Non-Authorised Inventory information
227 pcs
On Request
227 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

1N4728A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Lead Style
Mounting Type
Operating Temperature
SVHC Present
Storage Temperature
Supplier Device Package
Thermal Resistance
View Similar Products (0)

1N4728A Description

Short technical summary and product information.

The 1N4728A is a silicon planar power Zener diode manufactured by QPL. It is designed for use in stabilizing and clipping circuits requiring a high power rating.

 

This Zener diode features a nominal Zener voltage of 3.3V with a standard tolerance of ±5%. It has a maximum power dissipation of 1300 mW (1.3W) as per datasheet, and 1W as per manufacturer page. The operating temperature range is -65°C to +175°C (datasheet) or -65°C to 200°C (manufacturer page).

 

The 1N4728A is packaged in a DO-41 (DO-204AL) axial package, suitable for through-hole mounting. Its applications include voltage stabilization, making it a versatile component for various electronic designs.

1N4728A Quick Information

Product Type: Zener Diode
Canonical Name: 1N4728A Zener Diode
Subcategory: Zener Diodes

1N4728A Compliance

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

1N4728A Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

1N4728A Features

  • Nominal Zener voltage is 3.3V.
  • Standard voltage tolerance is ±5%.
  • Maximum power dissipation is 1W.
  • Operates from -65°C to 200°C.
  • Packaged in DO-41 axial package.

1N4728A Applications

  • Used for voltage regulation in power supplies.
  • Ideal for overvoltage protection circuits.
  • Suitable for clamping and reference applications.
  • Common in consumer electronics and industrial controls.

1N4728A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the Zener voltage of the 1N4728A?

The nominal Zener voltage is 3.3V with a tolerance of ±5%.

What is the maximum power dissipation?

The maximum power dissipation is 1W.

What is the forward voltage of the 1N4728A?

The maximum forward voltage is 1.2V at a test current of 200mA.

What package is the 1N4728A available in?

The device is available in a DO-41 (DO-204AL) axial lead package for through-hole mounting.

What is the operating temperature range?

The operating temperature range is -65°C to 200°C.

What is the test current for the Zener voltage?

The test current is 76mA.

What is the reverse leakage current of the 1N4728A?

The reverse leakage current is 100μA at 1V reverse voltage.

Home
Account

Categories