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X1G0041710018

Seiko Epson · Oscillators · SMD2520-4P

X1G0041710018 from Seiko Epson, in a SMD2520-4P. 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	S̅T̅	input	Standby control: "H" or OPEN keeps oscillation running and OUT enabled at the specified frequency, "L" stops oscillation and puts OUT in high impedance, with VIH min 80% Vcc, VIL max 20% Vcc, and the level must not exceed the supply voltage.
2	GND	power_in	Ground terminal at 0 V, the return for the VCC supply and the output.
3	OUT	output	CMOS clock output, with VOH min 90% Vcc at -4 mA and VOL max 10% Vcc at 4 mA at Vcc = 3.3 V, specified for a CMOS load of 15 pF.
4	VCC	power_in	Supply voltage from 1.60 V to 3.63 V; a 0.01 µF to 0.1 µF bypass capacitor is recommended between VCC and GND, placed as close to the VCC pin as possible.

Key specifications

Parameter	Value
Manufacturer	Seiko Epson
Package	SMD2520-4P
Category	Crystals/Oscillators/Resonators
Pins	4

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter	Symbol	Min	Typ	Max	Unit	Conditions	Page
Supply voltage	VCC	1.6		3.63	V		1
Operating temperature range	T_use	-40		85	°C		1
CMOS load condition	L_CMOS			15	pF		1
Bypass capacitor between VCC and GND		0.01		0.1	µF	bypass capacitor between VCC and GND pins	8
Power supply startup time (0 %VCC → 90 %VCC) should be more than		150			μs	0 %VCC → 90 %VCC	8
Frequency tolerance	f_tol	-50		50	×10-6	T_use	1
Frequency aging	f_age	-3		3	×10-6	+25 ºC, First year	1
Output frequency	fo		12		MHz		1
Start-up time	t_str			3	ms	t = 0 at 90 %VCC	9
Current consumption (No load), VCC = 1.8 V	ICC			1.5	mA	VCC = 1.8 V ± 5 %, 4 MHz ≤ fo ≤ 20 MHz	9
Current consumption (No load), VCC = 2.5 V	ICC			1.6	mA	VCC = 2.5 V ± 10 %, 4 MHz ≤ fo ≤ 20 MHz	9
Current consumption (No load), VCC = 3.3 V	ICC			1.8	mA	VCC = 3.3 V ± 10 %, 4 MHz ≤ fo ≤ 20 MHz	9
Stand-by current	I_std			2.1	µA	VCC = 1.8 V ± 10 % or ± 5 %, S̅T̅= GND	9
Stand-by current	I_std			2.5	µA	VCC = 2.5 V ± 10 %, S̅T̅= GND	9
Stand-by current	I_std			2.7	µA	VCC = 3.3 V ± 10 %, S̅T̅= GND	9
Output high voltage	VOH	90			% VCC		9
Output low voltage	VOL			10	% VCC		9
Output low voltage	VOL			0.4	V		9
Symmetry	SYM	45	50	55	%	50 % VCC level, L_CMOS ≤ 15 pF	9
Rise time / Fall time	tr / tf			3	ns	VCC = 2.5 V or 3.3 V ± 10 %, 20 % VCC to 80 % VCC Level, L_CMOS = 15 pF	9
Rise time / Fall time	tr / tf			3.5	ns	VCC = 1.8 V ± 10 % or ± 5 %, 20 % VCC to 80 % VCC Level, L_CMOS = 15 pF	9
Input high voltage (ST terminal)	VIH	80			% VCC	S̅T̅terminal	9
Input low voltage (ST terminal)	VIL			20	% VCC	S̅T̅terminal	9
Output disable time (ST)	tstp_st			100	ns	S̅T̅terminal HIGH → LOW	9
Output enable time (ST)	tsta_st			3	ms	S̅T̅terminal LOW → HIGH	9
Maximum supply voltage	VCC	-0.3		4	V		8
Input voltage	Vin	-0.3			V	S̅T̅terminal	8
Storage temperature range	T_stg	-40		125	°C	All other	8
Junction temperature	Tj			125	°C		9
Thermal resistance, group 1 (SG-210STF)	θjc		15.2		°C/W	SG-210STF	9
Thermal resistance, group 2 (SG-210STF)	θja		91.9		°C/W	SG-210STF	9

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part	Material	Colour / plating	Datasheet says	Page
contacts		gold	Terminal coating : Au plating Frequency tolerance /	23

CAD (KiCad official)

Symbol: X1G0041710018
Footprint: Crystal:Crystal_SMD_2520-4Pin_2.5x2.0mm
3D model: SMD2520-4P (KiCad packages3D, STEP)
3D model files: x1g0041710018-etched.step / x1g0041710018-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); x1g0041710018.step / x1g0041710018.glb are the bare package body.

Provenance

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

Datasheet: Seiko Epson datasheet (35 pp, sha256 422c8d52e0fd52a1, retrieved 2026-10-21, tier: lcsc)
Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-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