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DSS5320T-7

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Diodes Incorporated Bipolar Transistors - BJT, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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DSS5320T-7

Diodes Incorporated · Bipolar Transistors - BJT · SOT-23

DSS5320T-7 from Diodes Incorporated, in a SOT-23. 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 B input Base of the PNP transistor; the VEBO limit is -5 V and the continuous base current IB is -0.5 A.
2 E passive Emitter of the PNP transistor; the VEBO limit is -5 V.
3 C passive Collector of the PNP transistor; VCEO is -20 V and the continuous collector current IC is -2 A (ICM -5 A peak).

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
Package SOT-23
Category Transistors
Pins 3

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
Collector-Base Voltage VCBO -20 V TA = 25°C 2
Collector-Emitter Voltage VCEO -20 V TA = 25°C 2
Emitter-Base Voltage VEBO -5 V TA = 25°C 2
Peak Pulse Current ICM -5 A TA = 25°C 2
Repetitive Peak Pulse Current ICRP -3 A TA = 25°C; pulse width ≤100ms, duty cycle ≤ 0.25 2
Continuous Collector Current IC -2 A TA = 25°C 2
Base Current IB -0.5 A TA = 25°C 2
Power Dissipation PD 600 mW TA = 25°C, 15mm x 15mm x 1.6mm FR4 PCB, still air 2
Thermal Resistance, Junction to Ambient Air RθJA 209 °C/W TA = 25°C 2
Operating and Storage Temperature Range TJ, TSTG -55 150 °C 2
Collector-Base Cutoff Current ICBO -100 nA VCB = -20V, IE = 0 3
Collector-Base Cutoff Current ICBO -50 μA VCB = -20V, IE = 0, TA = 150°C 3
Emitter-Base Cutoff Current IEBO -100 nA VEB = -5V, IC = 0 3
Collector-Base Breakdown Voltage BVCBO -20 V IC = -100μA 3
Collector-Emitter Breakdown Voltage BVCEO -20 V IC = -10mA 3
Emitter-Base Breakdown Voltage BVEBO -5 V IE = -100μA 3
DC Current Gain hFE 220 VCE = -2V, IC = -0.1A 3
DC Current Gain hFE 200 VCE = -2V, IC = -1A 3
DC Current Gain hFE 150 VCE = -2V, IC = -2A 3
DC Current Gain hFE 100 VCE = -2V, IC = -3A 3
Collector-Emitter Saturation Voltage VCE(sat) -70 mV IC = -0.5A, IB = -50mA 3
Collector-Emitter Saturation Voltage VCE(sat) -130 mV IC = -1A, IB = -50mA 3
Collector-Emitter Saturation Voltage VCE(sat) -230 mV IC = -2A, IB = -100mA 3
Collector-Emitter Saturation Voltage VCE(sat) -210 mV IC = -2A, IB = -200mA 3
Collector-Emitter Saturation Voltage VCE(sat) -300 mV IC = -3A, IB = -300mA 3
Equivalent On-Resistance RCE(sat) 105 mΩ IE = -2A, IB = -200mA 3
Base-Emitter Saturation Voltage VBE(sat) -1.1 V IC = -2A, IB = -100mA 3
Base-Emitter Saturation Voltage VBE(sat) -1.2 V IC = -3A, IB = -300mA 3
Base-Emitter Turn-on Voltage VBE(on) -1.2 V VCE = -2V, IC = -1A 3
Transition Frequency fT 100 180 MHz VCE = -5V, IC = -100mA, f = 100MHz 3
Output Capacitance Cob 25 50 pF VCB = -10V, f = 1MHz 3
Turn-On Time ton 67 ns VCC = -10V, IC = -1A, IB1 = -IB2 = -50mA 3
Delay Time td 23 ns VCC = -10V, IC = -1A, IB1 = -IB2 = -50mA 3
Rise Time tr 44 ns VCC = -10V, IC = -1A, IB1 = -IB2 = -50mA 3
Turn-Off Time toff 224 ns VCC = -10V, IC = -1A, IB1 = -IB2 = -50mA 3
Storage Time ts 184 ns VCC = -10V, IC = -1A, IB1 = -IB2 = -50mA 3
Fall Time tf 40 ns VCC = -10V, IC = -1A, IB1 = -IB2 = -50mA 3

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 Copper tin • Terminals: Finish, Matte Tin annealed over Copper leadframe. 1

CAD (KiCad official)

  • Symbol: DSS5320T-7
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: dss5320t-7-etched.step / dss5320t-7-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); dss5320t-7.step / dss5320t-7.glb are the bare package body.

Provenance

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

  • Datasheet: Diodes Incorporated datasheet (5 pp, sha256 0e6f154781782238, retrieved 2026-10-26, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-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