Product Overview
The HCI-FRM-Spec-2 is a TCXO (Temperature Compensated Crystal Oscillator) in a compact 2.5x2.0mm SMD package. It features a clipped sine wave output and operates at a nominal frequency of 25.000MHz with a 3.3V supply voltage. This product is designed for applications requiring precise frequency stability across a wide operating temperature range.
Product Attributes
- Brand: HANGJING (HANG CRYSTAL)
- Origin: SUZHOU, CHINA
- Certifications: RoHS Compliant (6/6), Lead-Free, Halogen-Free (IEC 61249-2-21:2003), REACH (SVHC) Free, PFOS/PFOA Free
- ESD Sensitivity: Yes
- Moisture Sensitivity: Not applicable (hermetically sealed)
Technical Specifications
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions / Remarks |
| 1. NOMINAL AND MAXIMUM RATINGS, OPERATING AND STORAGE CONDITIONS | ||||||
| Nominal frequency | FN | 25.000 | MHz | |||
| Maximum supply voltage | VMAX | -0.3 | +4.6 | VDC | Between VCC and GND | |
| Nominal supply voltage | VCC | +3.135 | +3.30 | +3.465 | VDC | |
| Output load (resistive) | RL | 9 | 10 | 11 | k | Clipped sine wave output |
| Output load (capacitive) | CL | 9 | 10 | 11 | pF | Clipped sine wave output |
| Operating temperature range | TOP | 30 | +25 | +85 | C | Note 1 |
| Storage Temperature Range | TST | 40 | 90 | C | ||
| Enable / Disable function | E/D | Not available | Pin 1 GND | |||
| 2. ELECTRICAL PARAMETER LIMITS | ||||||
| Frequency calibration | f/FN | 1.0 | +1.0 | ppm | Offset from nominal at +25C | |
| Frequency stability over TOP | f/FOP | 0.5 | +0.5 | ppm | Over TOP; Note 1 | |
| Frequency VS voltage changes | f/FV | 0.2 | +0.2 | ppm | Vcc 5% at +25C | |
| Frequency VS load changes | f/FL | 0.2 | +0.2 | ppm | RL//CL 5% at +25C | |
| Frequency VS reflow | f/FRFL | 1.0 | +1.0 | ppm | Max. two times reflow after 24h | |
| Hysteresis | f | 0.6 | +0.6 | ppm | --- | |
| Aging first year | f/FA1 | 1.0 | +1.0 | ppm | at +25C | |
| Aging over 2 years | f/FA2 | 1.5 | +1.5 | ppm | at +25C | |
| Output amplitude voltage level | VP-P | 0.8 | 1.1 | VAC | Clipped sine wave DC coupled | |
| Phase noise at 10Hz offset | LRMS | 80 | dBc/Hz | at +25C | ||
| Phase noise at 100Hz offset | LRMS | 112 | dBc/Hz | at +25C | ||
| Phase noise at 1kHz offset | LRMS | 133 | dBc/Hz | at +25C | ||
| Phase noise at 10kHz offset | LRMS | 143 | dBc/Hz | at +25C | ||
| Phase noise at 100kHz offset | LRMS | 150 | dBc/Hz | at +25C | ||
| Current consumption | ICC | 2.0 | mA | Under load RL//CL 10% | ||
| Startup time | tSTRT | 2.0 | ms | VP-P reach >90% of amplitude | ||
| 3. PRODUCT MARKING | ||||||
| Product Marking | HCI YM FF.fff | HCI Company logo, Year code, Month code, Nominal frequency | ||||
| 4. OUTLINE DRAWING | ||||||
| Package description | Package model | Remarks | ||||
| Ceramic seam seal SMD package 2.5x2.0mm with 6 pads for TCXO | CST2520p4sph80 | -- | ||||
| 5. RELIABILITY TEST INFORMATION | ||||||
| High temperature storage | +85C 5C, 240 4 Hours | 1.0ppm | ||||
| Low temperature storage | 40C 5C, 240 4 Hours | 1.0ppm | ||||
| Temperature humidity bias (THB) | +85C 5C, 85% 5% RH, 240 4 Hours | 1.0ppm | ||||
| Temperature cycling | 40C 2C to +85C 5C, 1,000 cycles | 1.0ppm | ||||
| Aging | +85C 5C, 30d | 1.0ppm | ||||
| Resistance to solder heat | Reflow peak temp.: +260C 5C, 3 cycles | 1.0ppm | ||||
| Solderability (MIL-STD-883E) | Dip in flux: 5~10 Seconds, Temp: 23010, Time: 5 Seconds | >95% cover. | ||||
| Drop test | 120cm (9 cycles) / 150cm (9 cycles) | 1.0ppm | ||||
| Vibration | 20~2000Hz, PSD: 0.053g, 40min each direction (X,Y,Z) | 1.0ppm | ||||
| ESD-HBM | V=1KV, C=100pF, R1=10M, R2=1.5K, 3times | 1.0ppm | ||||
| 8. PACKAGING | ||||||
| Carrier Dimensions (A0, B0, K0, B1, P0, P1, T, W) | mm | Refer to drawing | ||||
| Reel Quantity | 3,000 | pcs | ||||
| Reel Dimensions (A, B, C, D, N, W1, W2) | mm | Refer to drawing | ||||
| Unreeling information (Oscillator products orientation) | Pin 1 identified by DOT, oriented towards sprocket holes | |||||
2505221602_HCI-8122S-25-000NQ33FTL_C20623084.pdf
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