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1N4730A-T50A On Semiconductor 1N4730A-T50A Zener Diode, 3.9V nominal, 1W power dissipation, DO-41 axial package, ±5% tolerance.
Mfr Part #:

1N4730A-T50A

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
On Semiconductor 1N4730A-T50A Zener Diode, 3.9V nominal, 1W power dissipation, DO-41 axial package, ±5% tolerance.
✓ Total Stock: 3,000 pcs
$ Price Range: $0.05

1N4730A-T50A Available from 1 distributor

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✓ Non-Authorised
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Flip Electronics ✓
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3,000 pcs
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3000 pcs On Request 1 On Request On Request On Request On Request On Request
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1N4730A-T50A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Current
Halogen Free
Impedance (Max) (Zzt)
Industrial Grade
Lead Style
Medical Grade
Military Grade
Mounting Type
Operating Temperature
Power
SVHC Present
Storage Temperature
Supplier Device Package
Tolerance
Voltage
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1N4730A-T50A Description

Short technical summary and product information.

The On Semiconductor 1N4730A-T50A is a 3.9V Zener diode in the standard DO-41 axial lead package, rated for 1W power dissipation at lead temperature up to 50°C. It belongs to the 1N4728A-1N4758A series and offers a nominal Zener voltage of 3.9V with ±5% tolerance, a typical Zener impedance of 9 Ω at the 64 mA test current, and 400 Ω maximum at 1 mA. The device is designed for general-purpose voltage regulation, clamping, and protection circuits in through-hole designs. Operating temperature range is -65°C to 200°C, with a derating factor of 6.67 mW/°C above 50°C.

1N4730A-T50A Quick Information

Product Type: Zener Diode
Series: 1N4730A
Canonical Name: On Semiconductor 1N4730A-T50A Zener Diode, 3.9V, 1W, DO-41, Through Hole
Subcategory: Single Zener Diode

1N4730A-T50A Compliance

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

1N4730A-T50A Estimated Pricing

Qty Low High
5,674+ $0.05 $0.05

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

1N4730A-T50A Features

  • 3.9V nominal Zener voltage with ±5% tolerance.
  • 1W maximum power dissipation at 50°C lead temperature.
  • 9 Ω maximum impedance at 64 mA test current.
  • DO-41 axial lead through-hole package.
  • Operating temperature from -65°C to 200°C.

1N4730A-T50A Applications

  • Used in low-voltage regulation circuits.
  • Ideal for overvoltage clamping protection.
  • Applicable in general-purpose voltage reference designs.
  • Suitable for consumer and industrial electronic equipment.
  • Employed in power supply feedback and control.

1N4730A-T50A FAQs

5 frequently asked questions generated from this part’s specifications.
What is the Zener voltage of 1N4730A-T50A?

The Zener voltage is 3.9 V typical, with a minimum of 3.705 V and maximum of 4.095 V at the test current of 64 mA.

What is the maximum power dissipation of the 1N4730A-T50A?

The maximum power dissipation is 1 W at a lead temperature of 50°C or less with a 3/8" lead length.

What package does the 1N4730A-T50A use?

It uses the DO-204AL / DO-41 axial lead package (through-hole).

What is the operating temperature range for this diode?

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

What is the tolerance of the 1N4730A-T50A?

The Zener voltage tolerance is ±5%.

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