1N4739A-TR Vishay Dale 1N4739A-TR is a 9.1V Zener diode with 1.3W power dissipation in a DO-41 (DO-204AL) through-hole package.
Mfr Part #:

1N4739A-TR

Available from 1 distributors
Mfr Name: Vishay
Vishay
Vishay Dale 1N4739A-TR is a 9.1V Zener diode with 1.3W power dissipation in a DO-41 (DO-204AL) through-hole package.
✓ Total Stock: 11,020 pcs

1N4739A-TR Available from 1 distributor

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1N4739A-TR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Forward Voltage
Impedance (Max) (Zzt)
Junction Temperature
Lead Style
Mounting Type
Operating Temperature
Power
Storage Temperature
Supplier Device Package
Tape & Reel
Tolerance
Voltage

1N4739A-TR Description

Short technical summary and product information.

The Vishay Dale 1N4739A-TR is a silicon planar power Zener diode designed for voltage stabilization and clipping circuits. It offers a nominal Zener voltage of 9.1V with a tolerance of ±5% and a maximum power dissipation of 1.3W.

 

Electrical characteristics include a maximum forward voltage of 1.2V at 200mA, reverse leakage current of 10µA at 7V, and a Zener impedance of 5Ω at a test current of 28mA. The device can handle a maximum Zener current of 100mA and operates with a junction temperature up to 175°C. Thermal resistance from junction to ambient is 110 K/W.

 

The diode is housed in a DO-204AL (DO-41) axial lead package suitable for through-hole mounting. The molding compound has a UL 94 V-0 flammability rating and the peak soldering temperature is 260°C. Storage temperature range is -65°C to +175°C.

 

Compliance information: RoHS3 compliant and REACH unaffected (both unverified). Moisture sensitivity level is MSL 1 (unlimited). The part is available in tape and reel packaging with 5000 units per reel.

1N4739A-TR Quick Information

Product Type: Zener Diode
Series: 1N4739A
Canonical Name: Vishay Dale 1N4739A-TR Zener Diode, 9.1V, 1.3W, DO-41
Subcategory: Single Zener Diode

1N4739A-TR Compliance

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

1N4739A-TR Features

  • 9.1V nominal Zener voltage with ±5% tolerance.
  • 1.3W maximum power dissipation rating.
  • Low Zener impedance of 5Ω at 28mA.
  • Through-hole DO-41 axial lead package.
  • Operating junction temperature up to 175°C.

1N4739A-TR Applications

  • Voltage stabilization in power supply circuits.
  • Clipping and clamping applications.
  • Overvoltage protection in low-power circuits.
  • Reference voltage generation.

1N4739A-TR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the Zener voltage of the 1N4739A-TR?

9.1V nominal.

What is the maximum Zener current?

100mA.

What is the forward voltage?

1.2V maximum at 200mA forward current.

What package is the 1N4739A-TR available in?

DO-204AL (DO-41) axial lead through-hole package.

What is the power dissipation rating?

1.3W maximum.

What is the tolerance of the Zener voltage?

±5%.

What is the maximum junction temperature?

175°C.

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