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FZT689BTA NPN medium power transistor, 20V BVCEO, 3A continuous collector current, with high DC current gain of 400 at 2A. RoHS compliant and halogen-free.
Mfr Part #:

FZT689BTA

Available from 2 distributors
Mfr Name: Diodes Incorporated
Diodes Incorporated
NPN medium power transistor, 20V BVCEO, 3A continuous collector current, with high DC current gain of 400 at 2A. RoHS compliant and halogen-free.
✓ Total Stock: 44,020 pcs
$ Price Range: $0.42 - $1.42

FZT689BTA Available from 2 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
34,020 pcs
On Request
34020 pcs On Request 1 On Request On Request On Request On Request On Request
Smaxon Electronics ✓
Non-Authorised Inventory information
10,000 pcs
On Request
10000 pcs On Request 1 On Request On Request 13+ 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.

FZT689BTA 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
Mounting Type
Operating Temperature
Power
SVHC Present
Storage Temperature
Supplier Device Package
Tape & Reel
Tape Width
Termination Finish
Transistor Type
Vce Saturation (Max) @ Ib, Ic
Voltage
Weight
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FZT689BTA Description

Short technical summary and product information.

The FZT689BTA from Diodes Incorporated is a 20V NPN medium power transistor designed for applications requiring high current gain and low saturation voltage. It comes in a SOT223 surface mount package.

 

Key electrical specifications include a collector-emitter breakdown voltage (BVCEO) of minimum 20V, a continuous collector current rating of 3A (8A peak pulse), and power dissipation up to 3W depending on mounting conditions. The DC current gain (hFE) is minimum 400 at 2A collector current and 2V VCE, while the collector-emitter saturation voltage is maximum 450mV at 3A with 20mA base current. Transition frequency is typically 150 MHz.

 

The transistor features a lead-free finish, is RoHS3 compliant, and halogen-free (Green device). It has a moisture sensitivity level of 1 per J-STD-020 and is compatible with reflow soldering. The FZT689BTA is complementary to the PNP type FZT789B. Applications include Darlington replacements and battery powered circuits.

FZT689BTA Quick Information

Product Type: Bipolar Junction Transistor (BJT) - Single
Series: FZT689B
Canonical Name: FZT689BTA - 20V NPN Medium Power Transistor, 3A, SOT223
Subcategory: Medium Power NPN Transistor

FZT689BTA Compliance

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

FZT689BTA Estimated Pricing

Qty Low High
1+ $1.42 $1.42
10+ $0.89 $0.89
100+ $0.59 $0.59
500+ $0.46 $0.46
1,000+ $0.42 $0.42

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

FZT689BTA Features

  • 20V collector-emitter breakdown voltage (BVCEO).
  • 3A continuous collector current rating.
  • High DC current gain of 400 at 2A.
  • Low saturation voltage of 450mV at 3A.
  • Surface mount SOT223 package.

FZT689BTA Applications

  • Ideal for Darlington transistor replacement circuits.
  • Used in flash gun converters and battery powered circuits.
  • Suitable for high-current switching applications.
  • Serves as complementary PNP type to FZT789B.

FZT689BTA FAQs

7 frequently asked questions generated from this part’s specifications.
What is the collector-emitter breakdown voltage of FZT689BTA?

Minimum 20V.

What package does the FZT689BTA come in?

SOT223 surface mount package (also known as TO-261).

What is the operating temperature range?

-55°C to 150°C (junction temperature).

Is the FZT689BTA RoHS compliant?

Yes, RoHS3 compliant with lead-free finish.

What is the DC current gain (hFE) of the FZT689BTA?

Minimum 400 at 2A collector current and 2V VCE.

What is the collector-emitter saturation voltage?

Maximum 450mV at 3A collector current with 20mA base current.

Is there a complementary PNP transistor to the FZT689BTA?

Yes, the FZT789B is the complementary PNP type.

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