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STR1550 The STMicroelectronics STR1550 is an NPN bipolar junction transistor designed for general-purpose applications. It offers a 500V collector-emitter voltage and a 500mA collector current.
Mfr Part #:

STR1550

Available from 3 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics STR1550 is an NPN bipolar junction transistor designed for general-purpose applications. It offers a 500V collector-emitter voltage and a 500mA collector current.
✓ Total Stock: 305,020 pcs
$ Price Range: $0.51

STR1550 Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Optech Co.,Limited ✓
Non-Authorised Inventory information
160,020 pcs
On Request
160020 pcs On Request 1 On Request On Request On Request On Request On Request
Fe Components ✓
Non-Authorised Inventory information
144,000 pcs
On Request
144000 pcs On Request 1 On Request On Request On Request On Request On Request
Braun Electronic Components ✓
Non-Authorised Inventory information
1,000 pcs
On Request
1000 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.

STR1550 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Contact Plating
Current
DC Current Gain (hFE) (Min) @ Ic, Vce
Height
Length
Mounting Type
Number of Pins
Operating Temperature
Power
SVHC Present
Supplier Device Package
Transistor Type
Vce Saturation (Max) @ Ib, Ic
Voltage
Width
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STR1550 Description

Short technical summary and product information.

The STMicroelectronics STR1550 is a single NPN bipolar junction transistor (BJT) housed in a compact SOT-23 package. This component is rated for a maximum collector-emitter voltage (VCEO) of 500V and a maximum collector current (Ic) of 500mA. It can dissipate up to 500mW of power.

 

Key electrical characteristics include a minimum DC current gain (hFE) of 100 at 50mA and 10V, and a Vce saturation voltage of 300mV maximum at 6mA and 50mA. The transistor operates within a wide temperature range, from -65°C to 150°C.

 

Designed for surface mounting, the STR1550 features a tin contact plating and is supplied in tape and reel packaging. Its robust specifications make it suitable for various general-purpose amplification and switching applications where high voltage is required.

STR1550 Quick Information

Product Type: Bipolar Junction Transistor (BJT)
Canonical Name: STR1550 NPN Bipolar Junction Transistor
Subcategory: Single

STR1550 Compliance

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

STR1550 Estimated Pricing

Qty Low High
1+ $0.51 $0.51

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

STR1550 Features

  • NPN bipolar junction transistor.
  • 500V collector-emitter voltage.
  • 500mA maximum collector current.
  • 500mW maximum power dissipation.
  • Surface mount SOT-23 package.

STR1550 Applications

  • Ideal for high voltage switching power supply designs.
  • Used in industrial motor control interface circuits.
  • Suitable for automotive sensor signal conditioning stages.
  • Employed in general purpose amplifier circuit topologies.
  • Fits well into compact embedded system controller boards.

STR1550 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the maximum collector-emitter voltage for the STR1550?

The maximum collector-emitter voltage (VCEO) for the STR1550 is 500V.

What is the maximum continuous collector current of the STR1550?

The maximum continuous collector current (Ic) for the STR1550 is 500mA.

What is the power dissipation rating of the STR1550 transistor?

The maximum power dissipation for the STR1550 is 500mW.

What is the minimum DC current gain (hFE) for the STR1550?

The minimum DC current gain (hFE) for the STR1550 is 100 at 50mA and 10V.

What is the operating temperature range for the STR1550?

The STR1550 operates from -65°C to 150°C.

What package type is the STR1550 supplied in?

The STR1550 is supplied in a SOT-23 package.

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