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Made with KiCad 10.0 · needs KiCad 10.0 or later to open · KiCad file format 20260206

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BAT48JFILM

STMicroelectronics · Schottky Diodes · SOD-323

BAT48JFILM from STMicroelectronics, 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	K	passive	Cathode, marked by the band on the package; the diode blocks up to VRRM 40 V reverse and conducts up to IF 350 mA continuous forward current.
2	A	passive	Anode of the single Schottky diode; forward voltage drop is typically 0.4 V at IF = 10 mA and 0.75 V at IF = 200 mA (Tj = 25 °C).

Key specifications

Parameter	Value
Manufacturer	STMicroelectronics
Package	SOD-323
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
Breakdown reverse voltage	VBR	40			V	Tj = 25 °C, Ir = 25 µA	3
Reverse leakage current	IR			1	µA	Tj = 25 °C, VR = 1.5 V	3
Reverse leakage current	IR			2	µA	Tj = 25 °C, VR = 10 V	3
Reverse leakage current	IR			5	µA	Tj = 25 °C, VR = 20 V	3
Reverse leakage current	IR			25	µA	Tj = 25 °C, VR = 40 V	3
Reverse leakage current	IR			10	µA	Tj = 60 °C, VR = 1.5 V	3
Reverse leakage current	IR			15	µA	Tj = 60 °C, VR = 10 V	3
Reverse leakage current	IR			50	µA	Tj = 60 °C, VR = 40 V	3
Forward voltage drop	VF			0.25	V	Tj = 25 °C, IF = 0.1 mA	3
Forward voltage drop	VF			0.3	V	Tj = 25 °C, IF = 1 mA	3
Forward voltage drop	VF			0.4	V	Tj = 25 °C, IF = 10 mA	3
Forward voltage drop	VF			0.5	V	Tj = 25 °C, IF = 50 mA	3
Forward voltage drop	VF			0.75	V	Tj = 25 °C, IF = 200 mA	3
Forward voltage drop	VF			0.9	V	Tj = 25 °C, IF = 500 mA	3
Repetitive peak reverse voltage	VRRM			40	V		2
Continuous forward current	IF			350	mA		2
Surge non repetitive forward current	IFSM			2	A	tp = 10 ms sinusoidal, SOD-323	2
Storage temperature range	Tstg	-65		150	°C		2
Maximum operating junction temperature range	Tj	-40		150	°C	SOD-323	2
Maximum temperature for soldering during 10 s	TL			260	°C	SOD-323	2
Junction to ambient thermal resistance	Rth(j-a)			550	°C/W	SOD-323, epoxy printed circuit board with recommended pad layout	2
Diode capacitance	C		30		pF	VR = 0 V, F = 1 MHz	3
Diode capacitance	C		18		pF	VR = 1 V, F = 1 MHz	3

CAD (KiCad official)

Symbol: BAT48JFILM
Footprint: Diode_SMD:D_SOD-323
3D model: SOD-323 (KiCad packages3D, STEP)
3D model files: bat48jfilm-etched.step / bat48jfilm-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bat48jfilm.step / bat48jfilm.glb are the bare package body.

Provenance

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

Datasheet: STMicroelectronics datasheet (8 pp, sha256 f4789cce0cc2c7a4, 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