2SD668-D Bipolar Transistor

Characteristics of 2SD668-D Transistor

  • Type: NPN
  • Collector-Emitter Voltage, max: 80 V
  • Collector-Base Voltage, max: 120 V
  • Emitter-Base Voltage, max: 5 V
  • Collector Current − Continuous, max: 0.05 A
  • Collector Dissipation: 0.9 W
  • DC Current Gain (hfe): 160 to 320
  • Transition Frequency, min: 140 MHz
  • Operating and Storage Junction Temperature Range: -55 to +150 °C
  • Package: TO-92MOD

Pinout of 2SD668-D

Here is an image showing the pin diagram of this transistor.

Classification of hFE

The 2SD668-D transistor can have a current gain of 160 to 320. The gain of the 2SD668 will be in the range from 60 to 320, for the 2SD668-B it will be in the range from 60 to 120, for the 2SD668-C it will be in the range from 100 to 200.

Marking

Sometimes the "2S" prefix is not marked on the package - the 2SD668-D might only be marked "D668-D".

Complementary PNP transistor

The complementary PNP transistor to the 2SD668-D is the 2SB648-D.

Replacement and Equivalent for 2SD668-D transistor

You can replace the 2SD668-D with the 2SC1509, 2SC2003, 2SC2230, 2SC2274K, 2SC2274K-F, 2SC2326, 2SC2326F, 2SC2326K, 2SC2326KF, 2SC2363, 2SC2363F, 2SC2383, 2SC2383-Y, 2SC2631, 2SC2632, 2SC2909, 2SC2910, 2SC3228, 2SC3228-Y, 2SC3245, 2SC3245A, 2SC3332, 2SC3708, 2SC3939, 2SD1211, 2SD438, 2SD438-F, 2SD666, 2SD666-D, 2SD667, 2SD667D, HSD1609S, HSD1609S-D, KSC1009C, KSC2383, KSC2383Y, KTC1006, KTC3228, KTC3228Y or NTE382.
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