| Product Name | Quartz Crystal Resonator | | |
| Product Model | 49US/27.000MHZ | | |
| Product Parameters | 20PF/±30ppm | | |
| Holder Type | 49US | | |
| Mode of Vibration | AT CUT | | |
| Oscillation Mode | FUND S&A | | |
| Test Facilities | KH-1240 | | |
| Storage Temperature | -40 to +85 | | |
| Driver Level | 100μW | | |
| Normal Frequency | 27.000 | MHz | |
| Frequency Tolerance (25±2) | ±30 | ppm | |
| Temperature Stability | ±20 | ppm | |
| Operating Temperature Range | -20 to +70 | | |
| Load Capacitance | 20 | PF | |
| Motional Capacitance | 5 | PF MAX | |
| Shunt Capacitance | | | |
| Effective Series Resistance | 40 | Ω MAX | |
| Insulation Resistance | 500 | M OHMS MIN | AT DC 100V |
| Solderability | 95% COVERAGE BY USING 90/10 SOLD AT 245 FOR 5 SEC. | | DIPPING AFTER IMMERSION IN ALPHA 611 FLUX FOR 5 SEC. |
| Shock Test | Electrical characteristics shall be satisfied after dropping three times from the height of 50 cm onto Hard wooden board. | | |
| Vibration Test | Electrical characteristics shall be satisfied after supplying following Vibration. | | |
| Vibration Frequency | 1055 | Hz | 12min cycle, 1.5mm PP amplitude, X.Y.Z direction, 2 hours/each direction |
| Strength of Terminals/Lead-wires - Pulling Test | 900g tension weight for 30 sec. | | No visual damages after test. |
| Strength of Terminals/Lead-wires - Bending Test | 90 degree bending, 225gs tension weight. | | No visual damages after test. |
| Sealing Tightness | No observation of gas bubble after specimen put in hot water at +90+95 for 5 min. | | |
| Soldering Dip Test | Terminals/lead-wires dipped into solder melted tank at +230 ±5 for 3sec. Dipping depth 2mm from bottom of body. | | Soldering portion over 90% coverage. |
| Solder Heating Test | Terminals/lead-wires dipped into solder melted tank at +350 ±10 for 3 sec. | | Electrical characteristics shall be satisfied. |
| Humidity Test | Electrical characteristics shall be satisfied after 250 hours at 60 ±2 in 9095% humidity. | | |
| Storage in Low Temperature Test | Electrical characteristics shall be satisfied after 250 hours at -30 ±2. | | |
| Storage in High Temperature Test | Electrical characteristics shall be satisfied after 250 hours at +85 ±2. | | |
| Temperature Cycle Test | Electrical characteristics shall be satisfied after 3 cycles. Temperature shift 1/min. | | |
