At Harmony Electronics, we understand the importance of high-stability crystal frequency devices in ensuring seamless data communication. Our crystal resonators (XTALs) and crystal oscillators (XOs) are designed to provide precise timing signals, minimizing jitter and enhancing overall performance in various data communication applications.Our meticulously designed Crystal Resonators (XTALs) and Crystal Oscillators (XOs) are at the heart of this process, providing the precise timing signals essential for optimal performance.
Minimizing jitter, a common culprit in data miscommunication, is one of the key strengths of our XTALs and XOs. By ensuring stable and accurate timing, they help reduce signal distortion and data loss, enhancing the overall efficiency and reliability of your data communication systems.
Our crystal frequency devices generate precise clock signals that synchronize data transmission between networking devices such as routers, switches, and modems. This ensures that data is transmitted and received at the right time, enabling efficient and reliable wired communication.
Harmony Electronics’ high-stability crystals provide accurate and stable carrier frequencies for wireless signal transmission and reception. This allows devices to communicate wirelessly without compromising on signal quality or reliability.
Our crystal resonators and oscillators provide accurate timing signals for satellite signal acquisition and positioning, making them an essential component in GPS devices.
Recent Blog: Precision Device Crystals: The Backbone of Data Communication
Recent Blog: The Role of Frequency Precision in Modern Electronics
Recent Blog: Crystal Oscillators for Data Communications: 5 Components of Data Communication Systems

![]() |
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 |
![]() |
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 |
![]() |
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
|
![]() |
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
|
![]() |
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
|
![]() |
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
|
![]() |
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 |
![]() |
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 |
![]() |
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 |
![]() |
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 |
![]() |
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 |
![]() |
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 |
![]() |
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 |
![]() |
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 |
![]() |
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 |
![]() |
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 |
![]() |
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 |
![]() |
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 |
![]() |
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 |