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DESD1LIN2WSQ-7

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Diodes Incorporated ESD And Surge Protection (TVS/ESD), SOD-323. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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DESD1LIN2WSQ-7

Diodes Incorporated · ESD And Surge Protection (TVS/ESD) · SOD-323

DESD1LIN2WSQ-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 Bidirectional TVS terminal 1 (marked by bar on package) with VRWM 15V max and VBR 17.1V min to 20.3V max for Pin 1 to Pin 2 polarity; connect to the LIN data line side per the asymmetric rating.
2 Pin 2 passive Bidirectional TVS terminal 2 with VRWM 24V max and VBR 25.4V min to 30.3V max for Pin 2 to Pin 1 polarity.

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
Reverse Standoff Voltage, Pin 1 to Pin 2 VRWM1 15 V 2
Reverse Standoff Voltage, Pin 2 to Pin 1 VRWM2 24 V 2
Channel Leakage Current, Pin 1 to Pin 2 IRM1 1 50 nA VRWM = 15V 2
Channel Leakage Current, Pin 2 to Pin 1 IRM2 1 50 nA VRWM = 24V 2
Breakdown Voltage, Pin 1 to Pin 2 VBR1 17.1 18.9 20.3 V IR = 1mA 2
Breakdown Voltage, Pin 2 to Pin 1 VBR2 25.4 27.8 30.3 V IR = 1mA 2
Clamping Voltage, Pin 1 to Pin 2 VCL1 25 V IPP = 1A, tP = 8/20μs 2
Clamping Voltage, Pin 1 to Pin 2 VCL1 35 V IPP = 5A, tP = 8/20μs 2
Clamping Voltage, Pin 2 to Pin 1 VCL2 40 V IPP = 1A, tP = 8/20μs 2
Clamping Voltage, Pin 2 to Pin 1 VCL2 50 V IPP = 3A, tP = 8/20μs 2
Channel Input Capacitance CT 13 17 pF VR = 0V, f = 1MHz 2
Channel Input Capacitance CT 100 pF VR = 12V, f = 100kHz 2
Peak Pulse Power Dissipation PPP 160 W 8/20µs, Per Figure 1 2
Peak Pulse Current IPP 3 A 8/20µs, Per Figure 1 2
ESD Protection, Contact Discharge VESD_Contact -30 30 kV Standard IEC 61000-4-2 2
ESD Protection, Air Discharge VESD_Air -30 30 kV Standard IEC 61000-4-2 2
Package Power Dissipation PD 250 mW Note 5 2
Thermal Resistance, Junction to Ambient RJA 500 °C/W Note 5 2
Operating and Storage Temperature Range TJ, TSTG -55 150 °C 2
Clamping Voltage TLP, Pin 1 to Pin 2 VCL 23.5 V ITLP = 16A, tP = 100ns 2
Clamping Voltage TLP, Pin 1 to Pin 2 VCL 26.6 V ITLP = 30A, tP = 100ns 2
Clamping Voltage TLP, Pin 2 to Pin 1 VCL 33 V ITLP = 16A, tP = 100ns 2
Clamping Voltage TLP, Pin 2 to Pin 1 VCL 37.7 V ITLP = 30A, tP = 100ns 2
Differential Resistance RDIF 0.5 Ω IR = 1A, tP = 8/20μs 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: DESD1LIN2WSQ-7
  • Footprint: Diode_SMD:D_SOD-323
  • 3D model: SOD-323 (KiCad packages3D, STEP)
  • 3D model files: desd1lin2wsq-7-etched.step / desd1lin2wsq-7-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); desd1lin2wsq-7.step / desd1lin2wsq-7.glb are the bare package body.

Provenance

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

  • Datasheet: Diodes Incorporated datasheet (6 pp, sha256 a1e4fd2b2d878f84, retrieved 2026-10-22, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-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