PN3643 The PN3643 is an NPN bipolar junction transistor from ON Semiconductor designed for general purpose amplification and switching applications. It offers a 30V collector-emitter voltage and 500mA continuous collector current.
Mfr Part #:

PN3643

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
The PN3643 is an NPN bipolar junction transistor from ON Semiconductor designed for general purpose amplification and switching applications. It offers a 30V collector-emitter voltage and 500mA continuous collector current.
Total Stock: 6,802 pcs
$ Price Range: $0.48

PN3643 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
Non-Authorised Inventory information
6,802 pcs
6802 pcs On Request 1 On Request On Request 511 On Request On Request

PN3643 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Amplifier Power Gain (Gpe)
Breakdown Voltage (Minimum @ IC = 10 mA, IB = 0)
Breakdown Voltage (Minimum @ IC = 10 µA, IE = 0)
Breakdown Voltage (Minimum @ IE = -10 A, IC = 0)
Collector-Emitter Saturation Voltage (Vce Sat)
Current
Current Gain (Minimum @ VCE = 10 V, IC = 500 mA)
Current Gain (Typical @ IC = 50 mA, VCE = 5.0 V, f = 100 MHz)
DC Current Gain (hFE) (Min) @ Ic, Vce
Lead Style
Leakage Current (Maximum @ VCB = 50 V, IE = 0)
Leakage Current (Maximum @ VCB = 50 V, IE = 0, TA = 65 °C)
Mounting Type
Operating Temperature
Output Capacitance (Cob)
Power
Supplier Device Package
Total Device Dissipation
Transistor Type
Vce Saturation (Max) @ Ib, Ic
Voltage

PN3643 Description

Short technical summary and product information.

The PN3643 is an NPN bipolar junction transistor (BJT) manufactured by ON Semiconductor, suitable for general purpose amplifier and switch applications. It is designed to handle collector currents up to 500mA and features a collector-emitter voltage rating of 30V.

 

Key electrical characteristics include a minimum DC current gain (hFE) of 100 at 150mA and 10V, and a saturation voltage (Vce(sat)) of 0.22V at 150mA and 15mA. The transistor also exhibits an output capacitance (Cob) of 8.0 pF at 10V and 140KHz, and an amplifier power gain (Gpe) of 10 dB at 30MHz.

 

This device is housed in a TO-92-3 package, designed for through-hole mounting. The operating temperature range is from -55°C to 150°C. With a total power dissipation of 625 mW, the PN3643 is a versatile component for various electronic designs.

PN3643 Quick Information

Product Type: NPN Transistor
Canonical Name: PN3643 NPN General Purpose Amplifier Transistor
Subcategory: Single

PN3643 Compliance

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

PN3643 Estimated Pricing

Qty Low High
1+ $0.48 $0.48

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

PN3643 Features

  • NPN bipolar junction transistor.
  • 30V collector-emitter voltage rating.
  • 500mA continuous collector current.
  • TO-92-3 through-hole package.
  • Wide -55°C to 150°C operating temperature.

PN3643 Applications

  • Used in switching power supplies
  • Suitable for low-level amplification
  • Ideal for signal switching circuits
  • Applicable in automotive control modules

PN3643 FAQs

5 frequently asked questions generated from this part’s specifications.
What is the maximum collector-emitter voltage for the PN3643 transistor?

The PN3643 transistor has a maximum collector-emitter voltage of 30V.

What is the continuous collector current rating for the PN3643?

The PN3643 transistor has a continuous collector current rating of 500mA.

What is the minimum DC current gain (hFE) of the PN3643 at 150mA and 10V?

The minimum DC current gain (hFE) for the PN3643 at 150mA and 10V is 100.

What is the operating temperature range for the PN3643 transistor?

The PN3643 transistor operates between -55°C and 150°C.

What package type is the PN3643 transistor supplied in?

The PN3643 transistor is supplied in a TO-92-3 package.

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