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FZT689B The FZT689B is an NPN medium power transistor from Diodes Incorporated, featuring a 20V breakdown voltage and a continuous collector current of 3A. It is supplied in a SOT223 package.
Mfr Part #:

FZT689B

Available from 1 distributors
Mfr Name: Diodes Incorporated
Diodes Incorporated
The FZT689B is an NPN medium power transistor from Diodes Incorporated, featuring a 20V breakdown voltage and a continuous collector current of 3A. It is supplied in a SOT223 package.
✓ Total Stock: 272 pcs
$ Price Range: $0.11

FZT689B Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Braun Electronic Components ✓
Non-Authorised Inventory information
272 pcs
On Request
272 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.

FZT689B Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Halogen Free
Lead Style
Tape & Reel
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FZT689B Description

Short technical summary and product information.

The FZT689B is a 20V NPN medium power transistor manufactured by Diodes Incorporated. It offers a high continuous collector current of 3A and a low saturation voltage of less than 450mV at 3A. The transistor also boasts a high hFE of over 400 at 2A.

 

Designed for applications such as Darlington replacements, flash gun convertors, and battery-powered circuits, the FZT689B provides robust performance. It is housed in a SOT223 package, suitable for surface mounting.

 

This device is lead-free, RoHS compliant, and halogen and antimony-free, aligning with environmental standards. Its complementary PNP type is the FZT789B.

FZT689B Quick Information

Product Type: NPN Medium Power Transistor
Series: FZT
Canonical Name: FZT689B NPN Medium Power Transistor
Subcategory: Bipolar (BJT) - Single

FZT689B Compliance

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

FZT689B Estimated Pricing

Qty Low High
1+ $0.11 $0.11

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

FZT689B Features

  • 20V Collector-Emitter Breakdown Voltage.
  • 3A High Continuous Collector Current.
  • Low Saturation Voltage < 450mV at 3A.
  • High hFE > 400 at 2A.
  • SOT223 Package for Surface Mounting.

FZT689B Applications

  • Ideal for DC-DC converter circuits.
  • Used in power supply switching stages.
  • Suitable for motor drive applications.
  • Can be used in LED lighting control.

FZT689B FAQs

7 frequently asked questions generated from this part’s specifications.
What is the package type of the FZT689B?

SOT223 surface-mount package.

What is the operating temperature range?

-55°C to +150°C.

What is the maximum collector current?

3A continuous, 8A peak pulse.

What is the DC current gain (hFE)?

Minimum 400 at 2A collector current.

What is the saturation voltage?

Maximum 450mV at 3A collector current.

What is the maximum collector-emitter voltage?

20V.

What is the complementary PNP type?

FZT789B from Diodes Incorporated.

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