component

1N4448TR

Public Made by Adom

by adom

onsemi Switching Diodes, DO-35. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.

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1N4448TR

onsemi · Switching Diodes · DO-35

1N4448TR from onsemi, in a DO-35. 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 K passive Cathode: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint.
2 A passive Anode.

Key specifications

Parameter Value
Manufacturer onsemi
Package DO-35
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 Reverse Voltage VRRM 100 V 2
Average Rectified Forward Current IO 200 mA 2
DC Forward Current IF 300 mA 2
Recurrent Peak Forward Current If 400 mA 2
Non-repetitive Peak Forward Surge Current IFSM 1 A Pulse Width = 1.0 s 2
Non-repetitive Peak Forward Surge Current IFSM 4 A Pulse Width = 1.0 µs 2
Storage Temperature Range TSTG -65 200 °C 2
Operating Junction Temperature Range TJ -55 175 °C 2
Power Dissipation PD 500 mW 2
Thermal Resistance, Junction-to-Ambient RθJA 300 °C/W 2
Breakdown Voltage VR 100 V IR = 100 µA 2
Breakdown Voltage VR 75 V IR = 5.0 µA 2
Forward Voltage (914B / 4448) VF 0.62 0.72 V IF = 5.0 mA 2
Forward Voltage (914B / 4448) VF 1 V IF = 100 mA 2
Reverse Leakage IR 0.025 µA VR = 20 V 2
Reverse Leakage IR 50 µA VR = 20 V, TA = 150 °C 2
Reverse Leakage IR 5 µA VR = 75 V 2
Total Capacitance (4448) CT 2 pF VR = 0, f = 1.0 MHz 2
Reverse Recovery Time trr 4 ns IF = 10 mA, VR = 6.0 V (600 mA), Irr = 1.0 mA, RL = 100 Ω 2

CAD (KiCad official)

  • Symbol: 1N4448TR
  • Footprint: Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal
  • 3D model: DO-35 (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: onsemi datasheet (7 pp, sha256 5efe1495500349b7, retrieved 2026-10-14, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins, primary cathode-band convention (convention), consensus off (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