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FZT689B

NPN, 20V, 3A, SOT223

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Feature(s)

  • BVCEO > 20V
  • BVCBO > 20V
  • IC = 3.0A High Continuous Current
  • hFE > 400 @ 2A and Low Saturation Voltage
  • VCE(sat) < 450mV at 3A
  • Complementary PNP Type: DIODES™ FZT789B
  • Lead-Free Finish; RoHS Compliant (Notes 1 & 2)
  • Halogen and Antimony Free. “Green” Device (Note 3)
  • For automotive applications requiring specific change control (i.e. parts qualified to AEC-Q100/101/104/200, PPAP capable, and manufactured in IATF 16949 certified facilities), please contact us or your local Diodes representative. https://www.diodes.com/quality/product-definitions/

Application(s)

  • Darlington replacement
  • Flash gun convertors and Battery powered circuits

Specifications & Technical Documents

Product Parameters

Compliance (Only Automotive Supports PPAP)

Standard

Category

Medium Power Transistor

Polarity

NPN

VCEO, VCES (V)

20

IC (A)

3

ICM (A)

8

PD (W)

2

hFE (Min)

500

hFE (@ IC) (A)

0.1

hFE(Min 2)

400

hFE (@ IC2) (A)

2

VCE(sat) Max (mV)

100

VCE(SAT) (@ IC/IB) (A/mA)

0.1/0.5

VCE(sat) (Max.2) (mV)

500

VCE(sat) (@ IC/IB2) (A/mA)

2/10

fT (MHz)

150

Related Content

Packages

Technical Documents

SPICE Model

Recommended Soldering Techniques

TN1.pdf

RoHS CofC

Purchase & Availability

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Product Change Notices (PCNs)

A PCN may only apply to specific orderable part numbers in this datasheet. Please refer to the corresponding PCN to see the exact orderable part number(s) affected.

PCN # Issue Date Implementation Date Subject
PCN-2770 2025-10-30 2025-10-30 Add Fab Site Code, Country of Diffusion (COD) and Assembly Site Origin (ASO) on Product and Shipping Labels for all Diodes Products
PCN-2737 2025-07-18 2025-10-17 Qualification of New Deflashing and Tin Plating Line
PCN-2502 2021-03-15 2021-09-15 Device End of Life (EOL)