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RFN1LAM7STR

ROHM Semicon · Diodes - Fast Recovery Rectifiers · SOD-128

RFN1LAM7STR from ROHM Semicon, in a SOD-128. 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 terminal of the super fast recovery diode (marked pin (1) in the PMDTM/SOD-128 outline); rated for VR 700V and Io 0.8A.
2 Anode passive Anode terminal of the super fast recovery diode (marked pin (2) in the PMDTM/SOD-128 outline); forward voltage 1.15V typ at IF=0.8A.

Key specifications

Parameter Value
Manufacturer ROHM Semicon
Package SOD-128
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
Forward voltage VF 1.15 1.5 V IF=0.8A 1
Reverse current IR 1 mA VR=700V 1
Reverse recovery time trr 45 80 ns IF=0.5A, IR=1A, Irr=0.25×IR 1
Thermal resistance junction to lead Rth(j-l) 25 °C/W Junction to lead 1
Repetitive peak reverse voltage VRM 700 V Duty≦0.5 1
Reverse voltage VR 700 V Direct reverse voltage 1
Average forward rectified current Io 0.8 A Glass epoxy board mounted, 60Hz half sin wave, resistive load, Tl=115°C 1
Non-repetitive forward surge current IFSM 15 A 60Hz half sin wave, non-repetitive at Tj=25ºC 1
Junction temperature Tj 150 °C 1
Storage temperature Tstg -55 150 °C 1

CAD (KiCad official)

  • Symbol: RFN1LAM7STR
  • Footprint: Diode_SMD:D_SOD-128
  • 3D model: SOD-128 (KiCad packages3D, STEP)
  • 3D model files: rfn1lam7str-etched.step / rfn1lam7str-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); rfn1lam7str.step / rfn1lam7str.glb are the bare package body.

Provenance

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

  • Datasheet: ROHM Semicon datasheet (7 pp, sha256 e6b2f8da678d6ea9, retrieved 2026-10-22, tier: manufacturer)
  • 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