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1N5242BTR Zener diode with 12V nominal voltage and 500mW power dissipation in a DO-35 axial package. Manufactured by On Semiconductor with ±5% tolerance.
Mfr Part #:

1N5242BTR

Available from 4 distributors
Mfr Name: On Semiconductor
On Semiconductor
Zener diode with 12V nominal voltage and 500mW power dissipation in a DO-35 axial package. Manufactured by On Semiconductor with ±5% tolerance.
✓ Total Stock: 106,105 pcs

1N5242BTR Available from 4 distributors

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1N5242BTR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Forward Voltage
Halogen Free
Impedance (Max) (Zzt)
Mounting Type
Operating Temperature
Operating Temperature Range
Package / Case
Power
Power Dissipation
Supplier Device Package
Tape & Reel
Termination Style
Tolerance
Voltage
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1N5242BTR Description

Short technical summary and product information.

The 1N5242BTR is a 12V Zener diode from On Semiconductor's 1N5221B-1N5252B series. It provides a nominal Zener voltage of 12V with a tolerance of ±5%, ensuring a voltage range of 11.4V to 12.6V at a test current of 20mA.

 

With a power dissipation rating of 500mW, this diode is suitable for voltage regulation and protection circuits. It features a maximum Zener impedance of 30Ω at 20mA and a reverse leakage current of 1µA at 9.1V. The forward voltage is 1.2V at 200mA.

 

The device is housed in a DO-35 (DO-204AH) axial lead package, designed for through-hole mounting. It operates over a junction temperature range of -65°C to 200°C, making it robust for various environments.

1N5242BTR Quick Information

Product Type: Zener Diode
Series: 1N5221B-1N5252B
Canonical Name: 1N5242BTR Zener Diode, 12V, 500mW, DO-35, On Semiconductor
Subcategory: Single Zener Diode

1N5242BTR Compliance

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

1N5242BTR Features

  • 12V nominal Zener voltage with ±5% tolerance.
  • 500mW power dissipation capability.
  • DO-35 axial lead through-hole package.
  • 30Ω maximum Zener impedance at 20mA.
  • Operating temperature range -65°C to 200°C.

1N5242BTR Applications

  • Voltage regulation in low-power circuits.
  • Overvoltage protection for sensitive components.
  • Reference voltage source in analog designs.
  • Clamping and limiting applications.

1N5242BTR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the Zener voltage of the 1N5242BTR?

12V nominal, range 11.4V to 12.6V at 20mA.

What is the power dissipation rating?

500mW, derate above 50°C at 4.0 mW/°C.

What is the package type?

DO-35 (DO-204AH) axial lead through-hole.

What is the forward voltage?

1.2V at 200mA.

What is the operating temperature range?

-65°C to 200°C.

What is the reverse leakage current?

1µA at 9.1V.

What is the Zener impedance?

30Ω at 20mA.

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