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MMBT3646 The MMBT3646 is an NPN bipolar junction transistor from On Semiconductor. It features a 15V collector-emitter voltage and a 300mA continuous collector current.
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MMBT3646

Available from 2 distributors
Mfr Name: On Semiconductor
On Semiconductor
The MMBT3646 is an NPN bipolar junction transistor from On Semiconductor. It features a 15V collector-emitter voltage and a 300mA continuous collector current.
✓ Total Stock: 321,142 pcs
$ Price Range: $0.99

MMBT3646 Available from 2 distributors

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215,792 pcs
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105,350 pcs
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MMBT3646 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
DC Current Gain (hFE) (Min) @ Ic, Vce
Delay Time
Input Capacitance
Mounting Type
Operating Temperature
Power
Storage Temperature
Supplier Device Package
Tape & Reel
Transistor Type
Turn Off Time
Turn On Time
Vce Saturation (Max) @ Ib, Ic
Voltage
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MMBT3646 Description

Short technical summary and product information.

The MMBT3646 is an NPN bipolar junction transistor (BJT) designed for various switching applications. It offers a collector-emitter voltage (VCEO) of 15V and a continuous collector current (IC) of up to 300mA.

 

Key electrical characteristics include a maximum collector-emitter saturation voltage (VCE(sat)) of 0.5V at 300mA collector current and 30mA base current. The DC current gain (hFE) ranges from a minimum of 15 at 300mA collector current to 1V collector-emitter voltage, up to 30 at 30mA collector current and 400mV collector-emitter voltage.

 

This transistor is housed in a compact SOT-23-3 surface mount package, making it suitable for space-constrained designs. The operating temperature range is -55°C to 150°C (TJ), and it has a total power dissipation of 625mW at 25°C ambient temperature.

 

Switching characteristics include a typical turn-on time of 18ns and a turn-off time of 28ns, with delay, rise, fall, and storage times also specified. The thermal resistance junction-to-case is 83.3°C/W.

MMBT3646 Quick Information

Product Type: Bipolar Transistor
Canonical Name: MMBT3646 NPN Switching Transistor
Subcategory: Single

MMBT3646 Compliance

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

MMBT3646 Estimated Pricing

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1+ $0.99 $0.99

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

MMBT3646 Features

  • NPN bipolar junction transistor
  • 15V collector-emitter voltage rating
  • 300mA continuous collector current
  • SOT-23-3 surface mount package
  • Wide operating temperature range

MMBT3646 Applications

  • Suitable for switching and amplification circuits.
  • Used in low-voltage signal switching applications.
  • Ideal for small-signal switching in consumer electronics.
  • Applicable in electronic switching and signal processing.
  • Suitable for general-purpose transistor switching tasks.

MMBT3646 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the collector-emitter voltage for the MMBT3646?

The collector-emitter voltage (VCEO) for the MMBT3646 is 15V.

What is the maximum continuous collector current for the MMBT3646?

The MMBT3646 can handle a maximum continuous collector current of 300mA.

What package type is the MMBT3646 available in?

The MMBT3646 is available in a TO-236-3, SC-59, SOT-23-3 package.

What is the operating temperature range for the MMBT3646?

The MMBT3646 operates within a temperature range of -55°C to 150°C (TJ).

What is the DC current gain (hFE) of the MMBT3646?

The DC current gain (hFE) of the MMBT3646 is a minimum of 30 at 30mA collector current and 400mV collector-emitter voltage.

What is the typical turn-on time for the MMBT3646?

The typical turn-on time for the MMBT3646 is 18ns.

What is the typical turn-off time for the MMBT3646?

The typical turn-off time for the MMBT3646 is 28ns.

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