Crystal resonators (XTALs) and Crystal oscillators (XOs) are the heartbeat of countless consumer devices, including personal computers, mobile phones, and smartwatches. These critical components ensure precise timing and frequency control in applications like fitness trackers, digital cameras, gaming consoles, and home entertainment systems. By providing unparalleled accuracy and stability, XTAL and XO technologies continue to redefine our daily experiences with modern electronics.
In addition to precise timing and frequency control, XTAL and XO technologies offer a wide range of benefits for consumer devices. Their compact size and energy efficiency make them ideal for portable electronics, while their durability and robustness ensure long-lasting performance. Furthermore, these components contribute to enhanced signal quality, improved data transfer rates, and reduced interference, resulting in a seamless user experience across personal computers, mobile phones, smartwatches, fitness trackers, digital cameras, gaming consoles, and home entertainment systems.
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Learn more about Harmony Electronic popular frequency control applications.

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Dimension(mm) | Lead Connection | Voltage | Frequency Range | Type | Download |
|---|---|---|---|---|---|---|
2.5 x 2.0 x 0.85
L / W / H |
4 pads
|
1.8V,2.5V
2.8V,3.3V |
1MHz~125MHz |
HSO221S
SPXO |
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Dimension(mm) | Lead Connection | Voltage | Frequency Range | Type | Download |
|---|---|---|---|---|---|---|
5.0 x 3.2 x 1.2
L / W / H
Not Recommended
for New Designs
|
4 pads
|
1.8V,2.5V
2.8V,3.3V |
0.7MHz~160MHz |
HSO531S
SPXO |
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Dimension(mm) | Lead Connection | Voltage | Frequency Range | Type | Download |
|---|---|---|---|---|---|---|
7.0 x 5.0 x 1.3
L / W / H
Not Recommended
for New Designs
|
4 pads
|
2.5V,2.85V
3.3V,5.0V
|
1.8MHz~220MHz |
HSO751S
SPXO
|
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Dimension(mm) | Lead Connection | Output | Voltage | Frequency Range | Type | Download |
|---|---|---|---|---|---|---|---|
2.0 x 1.6 x 0.7
L / W / H |
4 pads
|
Clipped Sinewave |
1.8V~3.3V |
13MHz~52MHz |
HSB211S
TCXO
|
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Dimension(mm) | Lead Connection | Voltage | Frequency Range | Type | Download |
|---|---|---|---|---|---|---|
2.0 x 1.6 x 0.72
L / W / H
|
4 pads
|
1.8V,2.5V
2.8V,3.3V |
32.768kHz |
HSO211S RTC
|
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Dimension(mm) | Lead Connection | Output | Voltage | Frequency Range | Type | Download |
|---|---|---|---|---|---|---|---|
2.0 x 1.6 x 0.7
L / W / H |
4 pads
|
Clipped Sinewave |
1.8V~3.3V |
13MHz~52MHz |
HSA211S
VC-TCXO
|
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Dimension(mm) | Lead Connection | Voltage | Frequency Range | Type | Download |
|---|---|---|---|---|---|---|
2.0 x 1.6 x 0.72
L / W / H |
4 pads
|
1.8V,2.5V
2.8V,3.3V |
1MHz~80MHz |
HSO211S
SPXO |
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Dimension(mm) | Lead Connection | Frequency Range | Type | Download |
|---|---|---|---|---|---|
2.5 x 2.0 x 0.9
L / W / H |
4 pads
|
19.2MHz, 26MHz |
HSX221SR |
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Dimension(mm) | Lead Connection | Frequency Range | Type | Download |
|---|---|---|---|---|---|
1.6 x 1.2 x 0.6
L / W / H
|
4 pads
|
38.4MHz,52MHz,
76.8MHz
|
HSX111SR |
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Dimension(mm) | Lead Connection | Frequency Range | Type | Download |
|---|---|---|---|---|---|
2.0 x 1.6 x 0.7
L / W / H |
4 pads
|
19.2MHz,26MHz 38.4MHz,52MHz |
HSX211SR |
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Dimension(mm) | Lead Connection | Frequency Range | Type | Download |
|---|---|---|---|---|---|
1.6 x 1.2 x 0.35
L / W / H |
4 pads
|
24MHz~96MHz |
HSX111SA
Seam |
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Dimension(mm) | Lead Connection | Frequency Range | Type | Download |
|---|---|---|---|---|---|
2.0 x 1.6 x 0.45
L / W / H |
4 pads
|
16MHz~96MHz |
HSX211S
Seam |
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Dimension(mm) | Lead Connection | Frequency Range | Type | Download |
|---|---|---|---|---|---|
2.5 x 2.0 x 0.45
L / W / H |
4 pads
|
12MHz~60MHz |
HSX221SA
Seam |
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Dimension(mm) | Lead Connection | Frequency Range | Type | Download |
|---|---|---|---|---|---|
3.2 x 2.5 x 0.7
L / W / H |
4 pads
|
8MHz~54MHz |
HSX321S
Seam |
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Dimension(mm) | Lead Connection | Frequency Range | Type | Download |
|---|---|---|---|---|---|
5.0 x 3.2 x 1.0
L / W / H
Not Recommended
for New Designs
|
2 pads
|
8MHz~54MHz |
HSX530G
Glass |
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Dimension(mm) | Lead Connection | Frequency Range | Type | Download |
|---|---|---|---|---|---|
1.2 x 1.0 x 0.3
L / W / H |
4 pads
|
26MHz~96MHz |
HSX1210A
Seam |
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MEMS MICROPHONE | Dimemsion(mm) | Output | Sensitivity(dBV) | SNR(dBA) | Type | Download |
|---|---|---|---|---|---|---|---|
TOP |
3.76 x 2.95 x 1.1
L/W/H |
Analog |
-42±1 |
59 |
HAT3729A4 |
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Port Location | Dimemsion(mm) | Output | Sensitivity(dBV) | SNR(dBA) | Type | Download |
|---|---|---|---|---|---|---|---|
TOP |
3.76 x 2.95 x 1.1
L/W/H |
Analog |
-42±1 |
59 |
HAT3729N4 |
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Port Location | Dimemsion(mm) | Output | Sensitivity(dBV) | SNR(dBA) | Type | Download |
|---|---|---|---|---|---|---|---|
TOP |
3.10 x 2.50 x 1.00
L/W/H |
Analog |
-42±3 |
59 |
HAT3125N4 |