GS8041-TR from Gainsil, in a SOT-23-5. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin	Name	Type	Function
1	OUT	output	Amplifier output. Rail-to-rail output stage capable of swinging to within ~50 mV of either supply rail into light resistive loads (>50 kΩ). Source/sink current 20 mA typical into 10 Ω to VS/2.
2	VSS	power_in	Negative power supply / ground. For single-supply operation connect to GND; for dual-supply operation connect to the negative rail. Supply range 1.4 V to 5.5 V total (VDD − VSS). Bypass to ground with a 0.1 μF ceramic capacitor.
3	IN+	input	Non-inverting analog input. Rail-to-rail common-mode range extends 100 mV beyond each supply rail (VSS−0.1 V to VDD+0.1 V). Input bias current 1 pA typical.
4	IN-	input	Inverting analog input. Rail-to-rail common-mode range extends 100 mV beyond each supply rail (VSS−0.1 V to VDD+0.1 V). Input bias current 1 pA typical.
5	VDD	power_in	Positive power supply. Single-supply operating range 1.4 V to 5.5 V (absolute max +7.5 V VDD−VSS). Bypass to VSS with a 0.1 μF ceramic capacitor placed close to the pin.

Key specifications

Parameter	Value
Manufacturer	Gainsil
Package	SOT-23-5
Category	Op-amp/Cmp
Pins	5

Ordering variants

Same part, different packaging or reel option.

GS8041-TR
GS8041-TRCR
GS8041-CR

CAD (KiCad official)

Symbol: GS8041-TR
Footprint: Package_TO_SOT_SMD:SOT-23-5
3D model: SOT-23-5 (KiCad packages3D, STEP)

Provenance

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

Datasheet: Gainsil datasheet (15 pp, sha256 2cfbf0f89a315340, retrieved 2026-08-17, tier: lcsc)
Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF