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DSS5220TQ-7

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

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DSS5220TQ-7

Diodes Incorporated · Bipolar (BJT) · SOT-23

DSS5220TQ-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 datasheet pin-out shows it on the two-lead side, lower lead.
2 E passive Emitter of the PNP transistor; the datasheet pin-out shows it on the two-lead side, upper lead, with VEBO rated -7V.
3 C passive Collector of the PNP transistor, the single lead on the opposite side; rated VCEO -20V, IC -2A continuous and ICM -3A peak.

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
Package SOT-23
Category Transistors/Thyristors
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 2
Collector-Emitter Voltage VCEO -20 V 2
Emitter-Base Voltage VEBO -7 V 2
Peak Pulse Collector Current ICM -3 A 2
Continuous Collector Current IC -2 A 2
Power Dissipation PD 600 mW Note 6: minimum recommended pad layout, 1oz copper, single-sided 1.6mm FR-4, still air 2
Power Dissipation PD 1.2 W Note 7: 25mm x 25mm 1oz copper 2
Operating and Storage Temperature Range TJ, TSTG -55 150 °C 2
Electrostatic Discharge - Human Body Model ESD HBM 4000 V JEDEC Class 3A (JESD22-A114) 2
Electrostatic Discharge - Machine Model ESD MM 400 V JEDEC Class C (JESD22-A115) 2
Collector-Base Breakdown Voltage BVCBO -20 V IC = -100µA 4
Collector-Emitter Breakdown Voltage BVCEO -20 V IC = -10mA 4
Emitter-Base Breakdown Voltage BVEBO -7 V IE = -100µA 4
Collector-Base Cutoff Current ICBO -100 nA VCB = -20V, IE = 0 4
Collector-Base Cutoff Current ICBO -50 µA VCB = -20V, IE = 0, TJ = +150°C 4
Emitter-Base Cutoff Current IEBO -100 nA VEB = -6V, IC = 0 4
DC Current Gain hFE 225 VCE = -2V, IC = -100mA 4
DC Current Gain hFE 200 VCE = -2V, IC = -1A 4
DC Current Gain hFE 150 VCE = -2V, IC = -2A 4
Collector-Emitter Saturation Voltage VCE(SAT) -80 mV IC = -500mA, IB = -50mA 4
Collector-Emitter Saturation Voltage VCE(SAT) -150 mV IC = -1A, IB = -50mA 4
Collector-Emitter Saturation Voltage VCE(SAT) -250 mV IC = -2A, IB = -100mA 4
Collector-Emitter Saturation Voltage VCE(SAT) -225 mV IC = -2A, IB = -200mA 4
Equivalent On-Resistance RCE(SAT) 113 mΩ IC = -2A, IB = -200mA 4
Base-Emitter Saturation Voltage VBE(SAT) -1.1 V IC = -2A, IB = -100mA 4
Base-Emitter Turn-on Voltage VBE(ON) -1.2 V VCE = -2V, IC = -1A 4
Transition Frequency ft 100 MHz VCE = -5V, IC = -100mA, f = 100MHz 4
Collector-Base Capacitance Ccbo 50 pF VCB = -10V, f = 1MHz 4
Thermal Resistance, Junction to Ambient Air RθJA 209 °C/W Note 6: minimum recommended pad layout, 1oz copper, single-sided 1.6mm FR-4, still air 2
Thermal Resistance, Junction to Ambient Air RθJA 104 °C/W Note 7: 25mm x 25mm 1oz copper 2
Thermal Resistance, Junction to Leads RθJL 75 °C/W Note 8: junction to solder point at end of collector lead 2

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  Weight 0.008 grams (Approximate) 1

CAD (KiCad official)

  • Symbol: DSS5220TQ-7
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: dss5220tq-7-etched.step / dss5220tq-7-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); dss5220tq-7.step / dss5220tq-7.glb are the bare package body.

Provenance

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

  • Datasheet: Diodes Incorporated datasheet (7 pp, sha256 0337331904303546, retrieved 2026-10-18, tier: lcsc)
  • 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