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1N5225B The 1N5225B is a 3V Zener diode from On Semiconductor rated for 500mW power dissipation. It is housed in a DO-35 axial lead package.
Mfr Part #:

1N5225B

Available from 3 distributors
Mfr Name: On Semiconductor
On Semiconductor
The 1N5225B is a 3V Zener diode from On Semiconductor rated for 500mW power dissipation. It is housed in a DO-35 axial lead package.
Total Stock: 51,208 pcs

1N5225B Available from 3 distributors

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42,000 pcs
42000 pcs On Request 1 On Request On Request On Request On Request On Request
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9,000 pcs
9000 pcs On Request 1 On Request On Request 2002 On Request On Request
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208 pcs
208 pcs On Request 1 On Request On Request 12+ On Request On Request

1N5225B Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Current - Reverse Leakage @ Vr
Impedance (Max) (Zzt)
Impedance (Zzk)
Lead Style
Mounting Type
Operating Temperature
Package / Case
Power
Power - Max
Storage Temperature
Storage Temperature Range
Supplier Device Package
Tape & Reel
Temperature Coefficient
Tolerance
Voltage
Voltage - Forward (Vf) (Max) @ If
Voltage - Zener (Nom) (Vz)
Voltage - Zener (Vz) Max
Voltage - Zener (Vz) Range
junction_temperature_range

1N5225B Description

Short technical summary and product information.

The 1N5225B is a 3V Zener diode manufactured by On Semiconductor (onsemi), part of the 1N5221B-1N5252B series. It features a nominal zener voltage of 3V with a ±5% tolerance, corresponding to a voltage range of 2.85V to 3.15V at a test current of 20mA. The device is rated for a maximum power dissipation of 500mW at 25°C ambient, with a derating factor of 4mW/°C above 50°C.

 

Electrical characteristics include a maximum zener impedance of 30Ω at 20mA, a knee impedance of 1600Ω at 0.25mA, and a reverse leakage current of 50µA at 1V. The forward voltage is specified as 900mV at 200mA. The temperature coefficient of the zener voltage is -0.075%/°C.

 

The junction and storage temperature range spans -65°C to +200°C. The device is supplied in a DO-204AH (DO-35) axial lead through-hole package, suitable for manual and wave soldering processes.

1N5225B Quick Information

Product Type: Zener Diode
Canonical Name: On Semiconductor 1N5225B Zener Diode 3V Nominal 500mW DO-35
Subcategory: Single Zener Diode

1N5225B Compliance

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

1N5225B Features

  • Nominal zener voltage of 3V with ±5% tolerance.
  • Maximum power dissipation of 500mW.
  • Maximum impedance of 30Ω at 20mA.
  • DO-35 axial lead through-hole package.
  • Operating temperature range -65°C to +200°C.

1N5225B Applications

  • Voltage regulation in low-power circuits.
  • Overvoltage protection for small signal designs.
  • Reference voltage source in analog circuits.
  • Bias voltage generation in battery-powered devices.

1N5225B FAQs

7 frequently asked questions generated from this part’s specifications.
What is the nominal zener voltage of the 1N5225B?

3V with a tolerance of ±5%, resulting in a range of 2.85V to 3.15V.

What is the maximum power dissipation of the 1N5225B?

500mW at 25°C ambient, derated 4mW/°C above 50°C.

What is the forward voltage of the 1N5225B?

900mV at a forward current of 200mA.

What is the package type of the 1N5225B?

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

What is the operating temperature range?

-65°C to +200°C for both junction and storage.

What is the reverse leakage current?

50µA at a reverse voltage of 1V.

What is the temperature coefficient of the zener voltage?

-0.075%/°C.

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