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D55V0M1B2WSQ-7

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Diodes Incorporated TVS, SOD-323. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Made with KiCad 10.0 · needs KiCad 10.0 or later to open · KiCad file format 20260206
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D55V0M1B2WSQ-7

Diodes Incorporated · TVS · SOD-323

D55V0M1B2WSQ-7 from Diodes Incorporated, in a SOD-323. 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 Pin 1 passive One terminal of the single bidirectional TVS channel, which has a 55V reverse standoff voltage (VRWM), 57V minimum breakdown voltage at 1mA, and IEC 61000-4-2 ESD rating of ±25kV contact / ±30kV air.
2 Pin 2 passive The other terminal of the single bidirectional TVS channel, which has a 55V reverse standoff voltage (VRWM), 57V minimum breakdown voltage at 1mA, and IEC 61000-4-2 ESD rating of ±25kV contact / ±30kV air.

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
Package SOD-323
Category Circuit Protection
Pins 2

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
Peak Pulse Power Dissipation PPP 200 W 8/20µs, Per Figure 2 2
Peak Pulse Current IPP 2 A 8/20µs, Per Figure 2 2
ESD Protection, Contact Discharge VESD_Contact -25 25 kV IEC 61000-4-2 Standard 2
ESD Protection, Air Discharge VESD_Air -30 30 kV IEC 61000-4-2 Standard 2
Package Power Dissipation PD 250 mW 2
Thermal Resistance, Junction to Ambient RθJA 500 C/W 2
Operating and Storage Temperature Range TJ, TSTG -65 150 C 2
Reverse Standoff Voltage VRWM 55 V 2
Channel Leakage Current IRM 100 nA VRWM = 55V 2
Clamping Voltage VCL 86 V IPP = 1A, tP = 8/20μs 2
Clamping Voltage VCL 100 V IPP = 2A, tP = 8/20μs 2
Breakdown Voltage VBR 57 V IR = 1mA 2
Channel Input Capacitance CT 14 25 pF VR = 0V, f = 1MHz 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: Matte Tin Finish Annealed over Alloy 42 Leadframe (Lead Free Plating). Solderable per MIL-STD-202, Method 208 1

CAD (KiCad official)

  • Symbol: D55V0M1B2WSQ-7
  • Footprint: Diode_SMD:D_SOD-323
  • 3D model: SOD-323 (KiCad packages3D, STEP)
  • 3D model files: d55v0m1b2wsq-7-etched.step / d55v0m1b2wsq-7-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); d55v0m1b2wsq-7.step / d55v0m1b2wsq-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 352eb87386575730, retrieved 2026-10-27, tier: manufacturer)
  • 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