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FMMT549 PNP low-saturation transistor with -30 V collector-emitter voltage and 1 A continuous collector current. Housed in a surface-mount SOT-23-3 package.
Mfr Part #:

FMMT549

Available from 2 distributors
Mfr Name: On Semiconductor
On Semiconductor
PNP low-saturation transistor with -30 V collector-emitter voltage and 1 A continuous collector current. Housed in a surface-mount SOT-23-3 package.
✓ Total Stock: 79,071 pcs
$ Price Range: $0.12 - $0.56

FMMT549 Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Flip Electronics ✓
Non-Authorised Inventory information
78,341 pcs
On Request
78341 pcs On Request 1 On Request On Request On Request On Request On Request
Bristol Electronics ✓
Non-Authorised Inventory information
730 pcs
On Request
730 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

FMMT549 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
DC Current Gain (hFE) (Min) @ Ic, Vce
Frequency
Halogen Free
Medical Grade
Mounting Type
Operating Temperature
Power
Storage Temperature
Supplier Device Package
Tape & Reel
Transistor Type
Vce Saturation (Max) @ Ib, Ic
Voltage
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FMMT549 Description

Short technical summary and product information.

The FMMT549 is a PNP bipolar junction transistor designed for low-saturation voltage and high current gain. It supports continuous collector current up to -1 A and peak pulse current up to -2 A, with a maximum collector-emitter voltage of -30 V.

 

DC current gain (hFE) ranges from 100 to 300 at 500 mA, 2 V, ensuring efficient amplification in switching and linear applications. The transistor features a minimum current gain-bandwidth product of 100 MHz and a maximum output capacitance of 25 pF.

 

Maximum power dissipation is 500 mW, with a junction temperature rating of 150 °C. The device is supplied in a surface-mount SOT-23-3 package (also TO-236-3 / SC-59) and is Pb-free and halide free per the datasheet.

FMMT549 Quick Information

Product Type: Bipolar Junction Transistor (BJT)
Series: FMMT549
Canonical Name: On Semiconductor PNP Low-Saturation Transistor FMMT549
Subcategory: PNP Low-Saturation

FMMT549 Compliance

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

FMMT549 Estimated Pricing

Qty Low High
1+ $0.56 $0.56
10+ $0.34 $0.34
100+ $0.22 $0.22
500+ $0.17 $0.17
1,000+ $0.15 $0.15
3,000+ $0.12 $0.12

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

FMMT549 Features

  • PNP low-saturation bipolar junction transistor.
  • Maximum collector-emitter voltage of -30 V.
  • Continuous collector current up to -1 A.
  • Surface-mount SOT-23-3 compact package.
  • Pb-free and halide free per datasheet.

FMMT549 Applications

  • Low-saturation switching power management circuits.
  • General-purpose amplification and signal conditioning.
  • Driver stages for relays, solenoids, and LEDs.
  • Portable battery-powered device designs.
  • Motor and actuator control interfaces.

FMMT549 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the transistor type of the FMMT549?

The FMMT549 is a PNP bipolar junction transistor.

What is the maximum collector-emitter voltage for the FMMT549?

The maximum collector-emitter voltage (VCEO) is -30 V.

What is the continuous collector current rating of the FMMT549?

The continuous collector current rating is -1 A.

What package does the FMMT549 come in?

The FMMT549 is supplied in a surface-mount SOT-23-3 package (also listed as TO-236-3, SC-59).

What is the maximum power dissipation of the FMMT549?

The maximum power dissipation is 500 mW.

Does the FMMT549 meet RoHS requirements?

RoHS status is listed as RoHS3 Compliant but is unverified; the datasheet confirms Pb-free and halide free.

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