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Generated by kicad-footprint-generator · KiCad file format 20260206

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LMUN5232T1G

LRC · Digital Transistors · SC-70

LMUN5232T1G from LRC, in a SC-70. 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	BASE	input	Base input of the bias resistor transistor, connected through the internal series base resistor R1 (4.7 kΩ for LMUN5232T1G).
2	EMITTER	power_in	Emitter is the ground reference, connected to the internal base-emitter resistor R2 (4.7 kΩ for LMUN5232T1G).
3	COLLECTOR	output	Collector output, rated for 50 Vdc collector-emitter voltage and 100 mAdc collector current.

Key specifications

Parameter	Value
Manufacturer	LRC
Package	SC-70
Category	Triode/MOS Tube/Transistor
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
Collector-Base Cutoff Current	ICBO			100	nAdc	VCB = 50 V, IE = 0	3
Collector-Emitter Cutoff Current	ICEO			500	nAdc	VCE = 50 V, IB = 0	3
Emitter-Base Cutoff Current	IEBO			1.5	mAdc	VEB = 6.0 V, IC = 0	3
Collector-Base Breakdown Voltage	V(BR)CBO	50			Vdc	IC = 10 µA, IE = 0	3
Collector-Emitter Breakdown Voltage	V(BR)CEO	50			Vdc	IC = 2.0 mA, IB = 0	3
DC Current Gain	hFE	15	30			VCE = 10 V, IC = 5.0 mA	3
Collector-Emitter Saturation Voltage	VCE(sat)			0.25	Vdc	IC = 10 mA, IB = 1 mA	3
Input Resistor R1	R1	3.3	4.7	6.1	kΩ		4
Base-Emitter Resistor R2	R2		4.7		kΩ		2
Collector-Base Voltage	VCBO			50	Vdc		1
Collector-Emitter Voltage	VCEO			50	Vdc		1
Collector Current	IC			100	mAdc		1
Junction and Storage Temperature Range	TJ, Tstg	-55		150	°C		1
Total Device Dissipation	PD			202	mW	TA = 25°C, FR-4 @ Minimum Pad	1
Total Device Dissipation	PD			310	mW	TA = 25°C, FR-4 @ 1.0 x 1.0 inch Pad	1
Derate above 25°C	PD			1.6	mW/°C	FR-4 @ Minimum Pad	1
Derate above 25°C	PD			2.5	mW/°C	FR-4 @ 1.0 x 1.0 inch Pad	1
Thermal Resistance Junction-to-Ambient	RθJA			618	°C/W	FR-4 @ Minimum Pad	1
Thermal Resistance Junction-to-Ambient	RθJA			403	°C/W	FR-4 @ 1.0 x 1.0 inch Pad	1
Thermal Resistance Junction-to-Lead	RθJL			280	°C/W	FR-4 @ Minimum Pad	1
Thermal Resistance Junction-to-Lead	RθJL			332	°C/W	FR-4 @ 1.0 x 1.0 inch Pad	1

CAD (KiCad official)

Symbol: LMUN5232T1G
Footprint: Package_TO_SOT_SMD:SOT-323_SC-70
3D model: SC-70 (KiCad packages3D, STEP)
3D model files: lmun5232t1g-etched.step / lmun5232t1g-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lmun5232t1g.step / lmun5232t1g.glb are the bare package body.

Provenance

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

Datasheet: LRC datasheet (10 pp, sha256 082ff06d2865d549, retrieved 2026-10-26, tier: lcsc)
Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed (audit)), 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