JANTX1N4991US JANTX1N4991US is a 240V Zener diode from Microchip Technology with 5W power dissipation, ±5% tolerance, and through hole E Axial package.
Mfr Part #:

JANTX1N4991US

Available from 2 distributors
Mfr Name: Microchip Technology
Microchip Technology
JANTX1N4991US is a 240V Zener diode from Microchip Technology with 5W power dissipation, ±5% tolerance, and through hole E Axial package.
Total Stock: 706 pcs
$ Price Range: $20.74 - $20.75

JANTX1N4991US Available from 2 distributors

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Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
600 pcs
600 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
106 pcs
106 pcs On Request 1 On Request On Request 0837 On Request On Request

JANTX1N4991US Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Impedance (Max) (Zzt)
Military Grade
Mounting Type
Operating Temperature
Power
Supplier Device Package
Tolerance
Voltage
Zener Voltage (Nominal)

JANTX1N4991US Description

Short technical summary and product information.

The JANTX1N4991US is a single Zener diode manufactured by Microchip Technology. It features a nominal Zener voltage of 240V with a tolerance of ±5%, making it suitable for voltage regulation applications requiring a precise 240V reference. The diode can dissipate up to 5W of power, allowing it to handle moderate power levels in through-hole designs.

 

Electrical characteristics include a maximum Zener impedance of 650Ω, a maximum reverse leakage current of 2µA at 182V, and a maximum forward voltage of 1.5V at 1A. The device operates over a wide temperature range from -65°C to 175°C, ensuring reliability in extreme environments.

 

The JANTX1N4991US is offered in an E, Axial package with through-hole mounting, suitable for traditional PCB assembly. The supplier device package is also E, Axial. This component is RoHS3 compliant and has an MSL of 1 (unlimited).

JANTX1N4991US Quick Information

Product Type: Zener Diode
Canonical Name: JANTX1N4991US Zener Diode, 240V, 5W, Through Hole, E Axial
Subcategory: Single Zener Diode

JANTX1N4991US Compliance

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

JANTX1N4991US Estimated Pricing

Qty Low High
1+ $20.75 $20.75
10+ $20.74 $20.74

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

JANTX1N4991US Features

  • 240V nominal Zener voltage.
  • 5W power dissipation capability.
  • ±5% tolerance for precise regulation.
  • 650Ω maximum Zener impedance.
  • Wide operating temperature range -65°C to 175°C.

JANTX1N4991US Applications

  • Voltage regulation in power supplies.
  • Overvoltage protection circuits.
  • Voltage reference in high-voltage designs.

JANTX1N4991US FAQs

6 frequently asked questions generated from this part’s specifications.
What is the Zener voltage of JANTX1N4991US?

The nominal Zener voltage is 240V with a tolerance of ±5%.

What is the power dissipation rating?

The power dissipation is 5W.

What is the package type?

The package is E, Axial with through-hole mounting.

What is the forward voltage at 1A?

The maximum forward voltage is 1.5V at 1A.

What is the reverse leakage current?

The maximum reverse leakage current is 2µA at 182V.

What is the operating temperature range?

The operating temperature range is -65°C to 175°C.

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