TF-308 Cylindrical kHz Crystal | TKD

The TKD TF-308 series is a cylindrical tuning-fork crystal in a 8.0 × 3.0 mm package, providing a highly stable 32.768 kHz reference for precise timekeeping. It suits real-time clocks in metering, telecom, industrial and consumer applications.

Specification of TF-308

Technical Specifications		TF-308/TF-308cut/ TFD-308 (SMD)
Output Frequency	TF-308	Standard 32.768kHz(Special 32~100kHz)
	TF-308 Cut-Lead / TFD-308 (SMD)	Standard 32.768kHz
Frequency Tolerance (at 25℃)		±20ppm or Others
Operating Temperature Range		-20~+70℃
Shunt Capacitance (C₀)		Standard 1.8pF, Max 3.0pF
Drive Level		Standard 0.1μW, Max 1.0μW
Load Capacitance		6~20pF
Aging Rate (per year, at 25℃)		5ppm MAX
Storage Temperature Range		-40~+85℃
Turnover Temperature		25±5℃
Temperature Coefficient		-0.034±0.015ppm/℃²
Insulation Resistance		500MΩ @ DC 100±10V

Frequency		ESR
32.768kHz		30kΩ Max.

Dimensions of TF-308

Dimensions of TF-308

Cylindrical kHz Crystals TF-308 Series

CD02K032768ABMBAEAE

32.768kHz 12.5pF ±5ppm

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CD02K032768ACNBAEAE

32.768kHz 12.5pF ±10ppm

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CD02K032768AEPBAEAE

32.768kHz 12.5pF ±20ppm

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CD02K032768DCNBAEAE

32.768kHz 6pF ±10ppm

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CD02K032768DEPBAEAE

32.768kHz 6pF ±20ppm

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CD02K032768EEPBAEAE

32.768kHz 7pF ±20ppm

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CD02K032768FEPBAEAE

32.768kHz 8pF ±20ppm

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CD02K032768GEPBAEAE

32.768kHz 9pF ±20ppm

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CD02K032768HEPBAEAE

32.768kHz 10pF ±20ppm

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CD02K032768IEPBAEAE

32.768kHz 11pF ±20ppm

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CD02K032768JEPBAEAE

32.768kHz 12pF ±20ppm

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CD02K032768KEPBAEAE

32.768kHz 13pF ±20ppm

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