AUFR3710Z-VB from VBsemi Elec, in a TO-252. 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	G	input	Gate; gate-source voltage limited to ±20 V, with threshold VGS(th) of 1 V min to 4 V max at ID = 250 µA.
2	D	passive	Drain, connected to the exposed tab; VDS rated 100 V and continuous drain current 85 A at TC = 25 °C.
3	S	passive	Source; continuous source-drain diode current 85 A at TC = 25 °C.

Key specifications

Parameter	Value
Manufacturer	VBsemi Elec
Package	TO-252
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
Drain-Source Breakdown Voltage	VDS	100			V	VGS = 0 V, ID = 250 µA	2
Gate-Threshold Voltage	VGS(th)	1		4	V	VDS = VGS, ID = 250 µA	2
Gate-Body Leakage	IGSS	-100		100	nA	VDS = 0 V, VGS = ± 20 V	2
Zero Gate Voltage Drain Current	IDSS			1	µA	VDS = 100 V, VGS = 0 V	2
Zero Gate Voltage Drain Current	IDSS			50	µA	VDS = 80 V, VGS = 0 V, TJ = 125 °C	2
Zero Gate Voltage Drain Current	IDSS			250	µA	VDS = 80 V, VGS = 0 V, TJ = 175°C	2
On-State Drain Current	ID(on)	50			A	VDS = ≥ 5 V, VGS = 10 V	2
Total Gate Charge	Qg		105	160	nC	VDS = 50 V, VGS = 10 V, ID = 45 A	2
Turn-On Delay Time	td(on)		12	25	ns	VDD = 20 V, RL = 0.6 Ω, ID ≅ 45 A, VGEN = 10 V, Rg = 2.5 Ω	2
Rise Time	tr		90	135	ns	VDD = 20 V, RL = 0.6 Ω, ID ≅ 45 A, VGEN = 10 V, Rg = 2.5 Ω	2
Turn-Off Delay Time	td(off)		55	85	ns	VDD = 20 V, RL = 0.6 Ω, ID ≅ 45 A, VGEN = 10 V, Rg = 2.5 Ω	2
Fall Time	tf		130	195	ns	VDD = 20 V, RL = 0.6 Ω, ID ≅ 45 A, VGEN = 10 V, Rg = 2.5 Ω	2
Forward Voltage	VSD		1	1.5	V	IF = 45 A, VGS = 0 V	2
Reverse Recovery Time	trr		85	140	ns	IF = 50 A, dI/dt = 100 A/µs	2
Peak Reverse Recovery Current	IRM(REC)		4.5	7	A	IF = 50 A, dI/dt = 100 A/µs	2
Reverse Recovery Charge	Qrr		0.17	0.35	µC	IF = 50 A, dI/dt = 100 A/µs	2
Continuous Source Current	IS			85	A	TC = 25 °C	2
Pulsed Source Current	ISM			140	A	TC = 25 °C	2
Drain-Source On-State Resistance	RDS(on)		0.0085		Ω	VGS = 10 V, ID = 20 A	2
Drain-Source On-State Resistance	RDS(on)		0.0105		Ω	VGS = 4.5 V, ID = 20 A	2
Drain-Source On-State Resistance	RDS(on)		0.017		Ω	VGS = 10 V, ID = 20 A, TJ = 125 °C	2
Drain-Source On-State Resistance	RDS(on)		0.022		Ω	VGS = 10 V, ID = 20 A, TJ = 175 °C	2
Forward Transconductance	gfs		25		S	VDS = 15 V, ID = 20A	2
Output Capacitance	Coss		565		pF	VGS = 0 V, VDS = 25 V, f = 1 MHz	2
Reverse Transfer Capacitance	Crss		205		pF	VGS = 0 V, VDS = 25 V, f = 1 MHz	2
Gate-Source Charge	Qgs		17		nC	VDS = 50 V, VGS = 10 V, ID = 45 A	2
Gate-Drain Charge	Qgd		23		nC	VDS = 50 V, VGS = 10 V, ID = 45 A	2
Drain-Source Voltage	VDS			100	V	TA = 25 °C	1
Gate-Source Voltage	VGS	-20		20	V	TA = 25 °C	1
Continuous Drain Current	ID			85	A	TC = 25 °C, TJ = 150 °C, package limited	1
Continuous Drain Current	ID			75	A	TC = 125 °C, TJ = 150 °C	1
Pulsed Drain Current	IDM			300	A		1
Avalanche Current	IAS			75	A	L = 0.1 mH	1
Single Pulse Avalanche Energy	EAS			280	mJ	L = 0.1 mH	1
Maximum Power Dissipation	PD			176	W	TC = 25 °C	1
Maximum Power Dissipation	PD			3.75	W	TA = 25 °C	1
Operating Junction and Storage Temperature Range	TJ, Tstg	-55		175	°C		1
Maximum Junction-to-Ambient	RthJA		40	50	°C/W	Steady State, surface mounted on 1" x 1" FR4 board	1
Maximum Junction-to-Case	RthJC		0.85	1.1	°C/W		1

CAD (KiCad official)

Symbol: AUFR3710Z-VB
Footprint: Package_TO_SOT_SMD:TO-252-2
3D model: TO-252 (KiCad packages3D, STEP)
3D model files: aufr3710z-vb-etched.step / aufr3710z-vb-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); aufr3710z-vb.step / aufr3710z-vb.glb are the bare package body.

Provenance

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

Datasheet: VBsemi Elec datasheet (8 pp, sha256 6ca7c7c0cbf8cbd9, retrieved 2026-10-31, 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

AUFR3710Z-VB

Verified AUFR3710Z-VB

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3D Model

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