Name: SF20WK32768D31T11G
Brand: TKD Technology

Features of SF20WK32768D31T11G

1. Standard 32.768 KHz Reference Frequency

2¹⁵ division standard clock, the most widely used reference frequency for real-time clock (RTC) and timing applications.

2. High Frequency Tolerance (±20 ppm)

Meets the accuracy requirements of most timing, communication, and industrial control devices.

3. Ultra-Wide Industrial Temperature Range (-40~85℃)

Covers the full industrial temperature range, suitable for harsh environments such as automotive electronics and industrial control.

4. Ultra-Low Power Consumption (0.1~0.5 μW)

Extremely low drive level, ideal for battery-powered portable devices to extend battery life.

5. Miniature SF-2012 Package

Compact form factor, suitable for space-constrained PCB layouts.

6. Industry Applications

With its 32.768 KHz standard clock frequency, ±20 ppm high accuracy, -40~85℃ industrial wide temperature range, ultra-low power consumption, and SF-2012 miniature package, the SF20WK32768D31T11G is widely used in smart meters, IoT terminals, wearable devices, automotive electronics, industrial control, consumer electronics, and medical devices that require low-power, high-precision real-time clock timing.

Specification of SF20WK32768D31T11G

Item	Parameters	Symbol	Electrical Specifications				Notes
Item	Parameters	Symbol	Min.	Typ.	Max.	Units	Notes
1	Nominal Frequency	F0	32.768			kHz
2	Oscillation Mode	-	Fundamental			-
3	Load Capacitance	CL	12.5			pF
4	Frequency Tolerance	-	-20	-	20	ppm	At 25℃±3℃
5	Equivalent Series Resistance	ESR	-	-	80	kΩ
6	Drive Level	DL	-	0.1	0.5	μW
7	Parabolic Coefficient	-	-	-	-0.04	ppm/℃^2
8	Operating Temperature	-	-40	-	85	℃
9	Storage Temperature	-	-55	-	125	℃
10	Aging	-	-3	-	3	ppm	Per Year
11	Insulation Resistance	-	500	-	-	MΩ	at 100 V DC
12	Shunt Capacitance	C0	-	1.25	-	pF
13	Motional Capacitance	C1	-	5.65	-	fF
14	Quality Factor	Q	13	-	-	K

Dimensions of SF20WK32768D31T11G

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