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DDC123JU-7-F

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Diodes Incorporated Digital Transistors, SOT-363. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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DDC123JU-7-F

Diodes Incorporated · Digital Transistors · SOT-363

DDC123JU-7-F from Diodes Incorporated, in a SOT-363. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 COM1 passive Emitter (E1) of the first built-in bias-resistor NPN transistor, the common terminal of the first stage; the datasheet gives no separate pin rating for this terminal.
2 IN1 input Base input (B1) of the first stage through R1 (2.2kΩ for DDC123JU); the DDC123JU input voltage is rated -5 V to +12 V.
3 OUT2 output Collector (C2) output of the second transistor; the DDC123JU output current is rated 100 mA and the supply voltage VO is rated 50 V maximum.
4 COM2 passive Emitter (E2) of the second built-in bias-resistor NPN transistor, the common terminal of the second stage; the datasheet gives no separate pin rating for this terminal.
5 IN2 input Base input (B2) of the second stage through its bias resistor (R1); the DDC123JU input voltage is rated -5 V to +12 V.
6 OUT1 output Collector (C1) output of the first transistor; the DDC123JU output current is rated 100 mA and the supply voltage VO is rated 50 V maximum.

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
Package SOT-363
Category Transistors/Thyristors
Pins 6

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Supply Voltage VO 50 V 2
Input Voltage VI -5 12 V 2
Output Current IO 100 mA 2
Peak Output Current ICM 100 mA 2
Power Dissipation PD 200 mW Notes 6 & 7; 150mW per element must not be exceeded 2
Thermal Resistance, Junction to Ambient Air RθJA 625 °C/W Note 6: FR-4 PC board, minimum recommended pad layout 2
Operating and Storage Temperature Range TJ, TSTG -55 150 °C 2
Input Voltage (off) VI(off) 0.5 V VCC = 5V, IO = 100μA 3
Input Voltage (on) VI(on) 1.1 V VO = 0.3V, IO = 5mA 3
Output Voltage (on) VO(on) 0.1 0.3 V IO/II = 5mA / 0.25mA 3
Input Current II 3.6 mA VI = 5V 3
Output Current (off) IO(off) 0.5 μA VCC = 50V, VI = 0V 3
DC Current Gain GI 80 VO = 5V, IO = 10mA 3
Input Resistor (R1) Tolerance R1 -30 30 % 3
Resistance Ratio Tolerance R2/R1 -20 20 % 3
Transition frequency (reference only, Note 8) fT 250 MHz VCE = 10V, IE = 5mA, f = 100MHz 3
Input Resistor (R1), nominal R1 2.2 kΩ NOM, DDC123JU 1
Resistance Ratio (R2), nominal R2 47 kΩ NOM, DDC123JU 1

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
contacts tin  Terminals: Finish, Matte Tin Plated Leads, Solderable per MIL-STD-202, Method 208 1

CAD (KiCad official)

  • Symbol: DDC123JU-7-F
  • Footprint: Package_TO_SOT_SMD:SOT-363_SC-70-6
  • 3D model: SOT-363 (KiCad packages3D, STEP)
  • 3D model files: ddc123ju-7-f-etched.step / ddc123ju-7-f-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ddc123ju-7-f.step / ddc123ju-7-f.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Diodes Incorporated datasheet (8 pp, sha256 734b84dde0b96a22, retrieved 2026-10-19, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF