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SR1100

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MDD（Microdiode Electronics） Schottky Barrier Diodes (SBD), DO-41. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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SR1100

MDD（Microdiode Electronics） · Schottky Barrier Diodes (SBD) · DO-41

SR1100 from MDD（Microdiode Electronics）, in a DO-41. 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 CATHODE passive Cathode is the lead at the end marked by the color band, as stated under Polarity: 'Color band denotes cathode end'.
2 A passive Anode is the unbanded axial lead opposite the cathode band; the family ratings that apply to the SR1100 include VRRM 100 V, I(AV) 1.0 A at 0.375 in lead length, and IFSM 40 A.

Key specifications

Parameter Value
Manufacturer MDD（Microdiode Electronics）
Package DO-41
Category Diodes
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
Maximum repetitive peak reverse voltage VRRM 100 V 1
Maximum RMS voltage VRMS 70 V 1
Maximum DC blocking voltage VDC 100 V 1
Maximum average forward rectified current I(AV) 1 A 0.375 in (9.5 mm) lead length (see fig.1) 1
Peak forward surge current IFSM 40 A 8.3 ms single half sine-wave superimposed on rated load (JEDEC Method) 1
Typical thermal resistance RθJA 50 °C/W Junction to ambient, 0.375 in (9.5 mm) lead length, P.C.B. mounted (NOTE 2) 1
Storage temperature range TSTG -50 150 °C 1

CAD (KiCad official)

  • Symbol: SR1100
  • Footprint: Diode_THT:D_DO-41_SOD81_P10.16mm_Horizontal
  • 3D model: DO-41 (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: MDD（Microdiode Electronics） datasheet (2 pp, sha256 83d1d6bbaa9d7553, retrieved 2026-10-21, 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