2N4125 The 2N4125 is a PNP bipolar junction transistor from NTE Electronics. It features a 30V collector-emitter breakdown voltage, 200mA collector current, and 625mW power dissipation in a TO-92 package.
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2N4125

Available from 1 distributors
Mfr Name: NTE Electronics
NTE Electronics
The 2N4125 is a PNP bipolar junction transistor from NTE Electronics. It features a 30V collector-emitter breakdown voltage, 200mA collector current, and 625mW power dissipation in a TO-92 package.
Total Stock: 2,000 pcs

2N4125 Available from 1 distributor

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2N4125 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
DC Current Gain (hFE) (Min) @ Ic, Vce
Frequency
Mounting Type
Operating Temperature
Power
Supplier Device Package
Transistor Type
Vce Saturation (Max) @ Ib, Ic
Voltage

2N4125 Description

Short technical summary and product information.

The 2N4125 is a PNP bipolar junction transistor designed for general-purpose switching and amplification applications. It offers a maximum collector-emitter voltage of 30V and a continuous collector current of 200mA, with a power dissipation of 625mW. The transistor provides a minimum DC current gain (hFE) of 50 at 2mA collector current and 1V Vce, and a transition frequency of 200MHz. The saturation voltage is 400mV maximum at 5mA base current and 50mA collector current. The device is housed in a through-hole TO-92 package (TO-226-3, TO-92-3), suitable for PCB mounting. The operating temperature range is -55°C to 150°C. Compliance data indicates RoHS3 compliant, REACH unaffected, and MSL level 1 (unlimited). Note: Compliance status is unverified and should be confirmed with the manufacturer.

2N4125 Quick Information

Product Type: Bipolar Transistor (BJT) - Single
Canonical Name: 2N4125 PNP Bipolar Transistor
Subcategory: PNP

2N4125 Compliance

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

2N4125 Features

  • PNP bipolar junction transistor for general purpose.
  • 30V collector-emitter breakdown voltage rating.
  • 200mA continuous collector current capability.
  • 625mW maximum power dissipation.
  • Through-hole TO-92 package for easy mounting.

2N4125 Applications

  • Used in low-power switching circuits.
  • Suitable for signal amplification stages.
  • Ideal for general-purpose transistor applications.
  • Can be used in audio preamplifier circuits.

2N4125 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the maximum collector-emitter voltage of the 2N4125?

30V.

What package is the 2N4125 available in?

TO-226-3, TO-92-3 (TO-226AA) through-hole package.

What is the operating temperature range?

-55°C to 150°C.

Is the 2N4125 RoHS compliant?

RoHS3 compliant (unverified).

What is the DC current gain (hFE) of the 2N4125?

Minimum 50 at Ic=2mA, Vce=1V.

What is the transition frequency of the 2N4125?

200 MHz.

What is the maximum power dissipation?

625 mW.

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