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MMBD4148CCX

Public Made by Adom

by adom

Shenzhen JingYang Switching Diodes, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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MMBD4148CCX

Shenzhen JingYang · Switching Diodes · SOT-23

MMBD4148CCX from Shenzhen JingYang, in a SOT-23. 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 A1 passive Anode of diode 1 in the MMBD4148CC common-cathode dual, with 100 V max reverse voltage and 300 mA max forward continuous current.
2 A2 passive Anode of diode 2 in the MMBD4148CC common-cathode dual, with 100 V max reverse voltage and 300 mA max forward continuous current.
3 K passive Common cathode of both diodes (top pin in the package drawing), with 100 V max reverse voltage and 350 mW package power dissipation.

Key specifications

Parameter Value
Manufacturer Shenzhen JingYang
Package SOT-23
Category Diodes
Pins 3

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 Breakdown Voltage V(BR)R1 100 V IR=100μA 2
Reverse Breakdown Voltage V(BR)R2 75 V IR=5μA 2
Forward voltage VF 1 V IF=10mA 2
Reverse current IR1 25 nA VR=25V 2
Reverse current IR2 5 μA VR=75V 2
Diode Capacitance CD 4 pF VR=0V,f=1MHz 2
Reverse Recovery Time trr 4 ns IF=10mA,VR=6V, Irr=0.1*IR,RL=100Ω 2
Peak Repetitive Peak Reverse Voltage VRRM 100 V Ta=25℃ unless otherwise specified 1
Working Peak Reverse Voltage VRWM 100 V Ta=25℃ unless otherwise specified 1
DC Reverse Voltage VR 100 V Ta=25℃ unless otherwise specified 1
Forward Continuous Current IFM 300 mA Ta=25℃ unless otherwise specified 1
Average Rectified Output Current IO 200 mA Ta=25℃ unless otherwise specified 1
Power Dissipation Pd 350 mW Ta=25℃ unless otherwise specified 1
Junction temperature Tj 150 ℃ 1
Storage temperature TSTG -55 150 ℃ 1
Thermal Resistance Junction to Ambient Air RθJA 357 ℃/W 1

CAD (KiCad official)

  • Symbol: MMBD4148CCX
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: mmbd4148ccx-etched.step / mmbd4148ccx-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mmbd4148ccx.step / mmbd4148ccx.glb are the bare package body.

Provenance

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

  • Datasheet: Shenzhen JingYang datasheet (4 pp, sha256 57628d4b8d0c7f16, retrieved 2026-10-17, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-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