FJN4309RTA The FJN4309RTA is a PNP pre-biased transistor from ON Semiconductor. It features a 40V collector-emitter voltage, 100mA collector current, and a built-in 4.7kΩ base resistor.
Mfr Part #:

FJN4309RTA

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
The FJN4309RTA is a PNP pre-biased transistor from ON Semiconductor. It features a 40V collector-emitter voltage, 100mA collector current, and a built-in 4.7kΩ base resistor.
✓ Total Stock: 7,995 pcs
$ Price Range: $0.04

FJN4309RTA Available from 1 distributor

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
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7,995 pcs
7995 pcs On Request 1 On Request On Request On Request On Request On Request

FJN4309RTA Specifications Quick View

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

FJN4309RTA Description

Short technical summary and product information.

The FJN4309RTA is a PNP pre-biased bipolar junction transistor manufactured by ON Semiconductor. It integrates a 4.7kΩ base resistor, simplifying circuit design by reducing external component count. The transistor is rated for a maximum collector-emitter voltage of 40V and a maximum collector current of 100mA, with a power dissipation of 300mW. It offers a DC current gain (hFE) of at least 100 at 1mA collector current and 5V collector-emitter voltage, and a transition frequency of 200MHz, making it suitable for low-frequency switching and amplification applications. The device is housed in a through-hole TO-92-3 package, which is compatible with standard PCB layouts. Typical applications include general purpose switching, driver circuits, and signal amplification in consumer and industrial electronics.

FJN4309RTA Quick Information

Product Type: PNP Pre-Biased Transistor
Canonical Name: FJN4309RTA PNP Pre-Biased Transistor
Subcategory: Single, Pre-Biased

FJN4309RTA Compliance

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

FJN4309RTA Estimated Pricing

Qty Low High
8,163+ $0.04 $0.04

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

FJN4309RTA Features

  • PNP pre-biased with built-in 4.7kΩ resistor.
  • Rated for 40V collector-emitter voltage.
  • Supports up to 100mA collector current.
  • Minimum DC current gain of 100.
  • 200MHz transition frequency for switching.

FJN4309RTA Applications

  • General purpose switching and amplification.
  • Low-power driver and interface circuits.
  • Signal conditioning in embedded systems.

FJN4309RTA FAQs

7 frequently asked questions generated from this part’s specifications.
What is the maximum collector-emitter voltage of the FJN4309RTA?

40V.

What package does the FJN4309RTA come in?

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

Is the FJN4309RTA RoHS compliant?

RoHS3 compliant.

What is the built-in base resistor value?

4.7kΩ.

What is the DC current gain (hFE)?

Minimum 100 at Ic=1mA, Vce=5V.

What is the maximum power dissipation?

300mW.

What is the transition frequency?

200MHz.

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