LFRBXO083765B
Oscillator, 10 MHZ Frequency, 0.8ppm Stability, CMOS, 5V Supply, -10 to 60°C, Through Hole
- Manufacturer: IQD FREQUENCY PRODUCTS
- Product type: Standard Oscillators
- SVHC: No SVHC (04-Feb-2026)
- Frequency Nom: 10MHz
- Product Range: IQRB-4 Series
- Supply Voltage Nom: 5V
- Frequency Stability + / -: 0.8ppm
- Operating Temperature Max: 60°C
- Operating Temperature Min: -10°C
- Oscillator Case / Package: Through Hole, 50.8mm x 50.8mm
- Oscillator Output Compatibility: CMOS
| Delivery and price | |
|---|---|
| Units per pack | 1 |
| Price | 1668.66 € |
| Current stock | 10+ |
| Lead time | 30 days |
**RUBIDIUM OSCILLATOR** **Part Number: 830908376502** | IQRB-4 AKA Number: LFRBXO083765B ## **General Information** The IQRB-4 rubidium oscillator is a sub-miniature atomic clock in a 65 cc OCXO style package, running on a 5 V supply voltage. ## **Dimensions [mm]** ## **Frequency Parameters** ## **Electrical Parameters** |**Frequency Parameters**||**Electrical Parameters**|| |---|---|---|---| |Frequency|10.0 MHz|Supply Voltage|5 V ± 3 %| |Frequency Tolerance|± 0.05 ppb max @ 25 °C|Rise Time**t**<br>**r**|11 ns typ.| |Frequency Stability|± 0.8 ppb max.|Fall Time**t**<br>**f**|11 ns typ.| |Operating Temperature|-10 °C to 60 °C|Duty Cycle|49/51 %| |Ageing|± 0.005 ppb max. per day.|Input Power:<br>=|| ||± 0.05 ppb max. per month.|Warm Up (@ 25 °C): 18 W @ 5 V, 3.6 A max.|| |Temperature Stabilty: -10 to 60 °C ±0.08 ppb typ, ±0.8 ppb max.<br>ao||Steady State: 6 W, 1.2 A max, 800 mA typ.|| |Retrace: ±0.02 ppb max.<br>a||Warm Up Time: 7 mins to lock @ 25 °C<br>=|| |Magnetic Field Sensitivity, DC (±2 Gauss): <±0.04 ppb/Gauss max.<br>it||Lock Monitor: Pin 2 is high (5 V) when out of lock and low (0 V) when<br>a|| Input Power: Warm Up (@ 25 °C): 18 W @ 5 V, 3.6 A max. Steady State: 6 W, 1.2 A max, 800 mA typ. Warm Up Time: 7 mins to lock @ 25 °C Lock Monitor: Pin 2 is high (5 V) when out of lock and low (0 V) when locked. ## **Output Details** |**Output Details**|| |---|---| |Output Compatibility|CMOS| |Drive Capability|15 pF| |Drive Capability: 15pF|| 1 of 2 Print Date: 11 Mar. 2026 www.iqdfrequencyproducts.com Model Revision: 4 | **Part Revision: 4** | Valid | 11 Mar. 2026 **File Version: 3** IQD Frequency Products Ltd. **RUBIDIUM OSCILLATOR Part Number: 830908376502** | IQRB-4 ~~—_————~~ AKA Number: LFRBXO083765B ## **Frequency Adjustment** |Pulling|Total Pulling ± 3 ppb typ. ±5 ppb max| |---|---| |Control Voltage|0 V to 3.3 V| |Input Impedance|10 kΩmin.| Linearity: Positive slope. Control Voltage Input Current (Pin 1 swept from 0 V to 3.3 V): 40 μ A typ. Control Voltage Input Capacitance (Pin 1): 5 pF typ. Note: if no voltage is applied to the control voltage (pin1) it will be internally set. If a voltage is applied (even GND) to Pin 1, the oscillator will accept the external control voltage input. ## **Noise Parameters** |**Noise Parameters**|**Noise Parameters**| |---|---| |Short Term Stability (ADEV) typical|| |1 s|5.0E-11| |10 s|9.0E-12| |100 s|4.5E-12| |Phase Noise|(typ)| |-67 dBc/Hz|@ 1 Hz| |-95 dBc/Hz|@ 10 Hz| |-127 dBc/Hz|@ 100 Hz| |-140 dBc/Hz|@ 1kHz| |-148 dBc/Hz|@ 10 kHz| |-148 dBc/Hz|@ 100 kHz| ## **Material Parameters** ## **Environmental Parameters** |**Material Parameters**|| |---|---| |Termination Finish|Au| ||Kovar alloy| |Moisture Sensitivity Level (MSL)|Not Applicable| ## **Manufacturing Details** These products need to maintain thermal stability to obtain optimum performance. Large copper plates should be avoided under the device, or mount the device with 1 mm clearance from the PCB. Avoid airflow and do not attempt to mount heat sink to the device. The oscillator base plate runs hot: be aware that this may cause damage to other components in close proximity. Storage Temperature Range: -55 °C to 95 °C Base Plate Temperature: -30 to 85 °C Case Temperature (after 1 hr, ambient temp 25 °C, no ventilation): 55 °C typ. Mechanical Shock: IEC 60068-2-27, Test Ea: Acceleration of 50 g peak amplitude for 11 ms duration. Vibration: IEC 60068-2-06, Test Fc: 10 Hz-55 Hz 1.5 mm displacement, 55 Hz-500 Hz 10 g acceleration. Atmospheric Pressure: -60 m to 4000 m: 1E-13 mbar max. EMI: Compliant to FCC Part 15, Class B ## **Technical Standards** |**Technical Standards**|| |---|---| |RoHS Status|2015/863/EU - Compliant| |REACH Status|Compliant| ## **Packaging Details** |**Packaging Details**|| |---|---| |Packaging SPQ|Bulk 1 pcs| |Bulk pack.|| ## **Company Address** IQD Frequency Products Ltd. Station Road Crewkerne Somerset TA18 8AR, United Kingdom 2 of 2 Print Date: 11 Mar. 2026 www.iqdfrequencyproducts.com Model Revision: 4 | **Part Revision: 4** | Valid | 11 Mar. 2026 **File Version: 3** IQD Frequency Products Ltd.
Updated at June 9, 2026
IQD Frequency Products is a recognized market leader in the frequency control and specialized timing sector. Known for delivering highly reliable and precise solutions, the company serves a broad spectrum of applications ranging from commercial-grade electronics to high-reliability industrial and automotive systems. Their commitment to quality is underscored by stringent manufacturing and testing standards, including ISO 9001 and automotive-grade certifications such as AEC-Q200. The comprehensive selection of IQD components focuses primarily on foundational timing devices, notably an extensive range of quartz crystals and standard clock oscillators. These core components provide the stable and accurate frequency generation required for diverse circuit designs, microcontrollers, and communication interfaces. Available in a variety of frequencies, tolerances, and packaging options, these crystals and oscillators form the reliable backbone of countless digital and RF systems. For more demanding environments that require enhanced precision, the portfolio also features specialized oscillator configurations. This includes advanced Temperature Compensated (TCXO) and Voltage Controlled (VC-TCXO) oscillators. These highly engineered timing solutions are designed to maintain exceptional frequency stability across fluctuating temperatures and varying operational conditions, making them ideal for telecommunications, networking infrastructure, and precision instrumentation.
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