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Specifications
Normal temperature Frequency Tolerance:
±20ppm
Frequency Stability:
±20ppm
Operating Temperature:
-20℃~+70℃
Load Capacitance:
20pF
Frequency:
25.355MHz
Mfr. Part #:
KBD253552020
Package:
HC-49S-SMD
Key Attributes
Model Number:
KBD253552020
Product Description
Product Overview
This product is a Quartz Crystal Resonator, model HC-49USSMD/25.355 MHZ. It is designed for applications requiring precise frequency control with specific load capacitance and tolerance.
Product Attributes
- Brand: Kaiyuexiang ()
- Origin: Shenzhen, China
- Manufacturer: Shenzhen Kaiyuexiang Electronics Co., Ltd.
Technical Specifications
| Parameter | Value | Unit | Notes |
| Product Name | Quartz Crystal Resonator | ||
| Product Model | HC-49USSMD | ||
| Frequency | 25.355 | MHz | Normal Frequency |
| Frequency Tolerance | ±20 | ppm | at 25±2 |
| Temperature Stability | ±20 | ppm | |
| Operating Temperature Range | -20 to +70 | ||
| Load Capacitance | 20 | pF | |
| Motional Capacitance | 3 | pF | MAX |
| Shunt Capacitance | |||
| Effective Series Resistance | 40 | Ω | MAX |
| Insulation Resistance | 500 | MΩ | MIN at DC 100V |
| Holder Type | HC-49USSMD | ||
| Mode of Vibration | AT CUT | FUND S&A | |
| Oscillation Mode | KH-1240 | ||
| Test Facilities | |||
| Storage Temperature | -40 to +85 | ||
| Driver Level | 100 | µW | |
| 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 | Frequency: 10-55Hz, Period: 1-2min, Full Amplitude: 1.5mm P-P, Direction: X.Y.Z, Time: 2hours/each direction | Electrical characteristics shall be satisfied | |
| Strength of Terminals/Lead-wires - Pulling Test | 900g tension weight for 30 sec. | No visual damages | |
| Strength of Terminals/Lead-wires - Bending Test | 90-degree bending with 225g tension weight, then straighten, repeated in opposite direction. | No visual damages | |
| Sealing Tightness | No observation of gas bubble after specimen put in hot water at +90+95 for 5 min. | ||
| Soldering Dip | Terminals/lead-wires dipped into solder at +230±5 for 3sec. Dipping depth 2mm from bottom of body. (After applying ROSIN flux) Soldering portion over 90%. | ||
| Solder Heating | Terminals/lead-wires dipped into solder at +350±10 for 3 sec. Dipping depth 2mm from edge of terminals/lead-wires. | Electrical characteristics shall be satisfied | |
| Humidity Test | Electrical characteristics shall be satisfied after 250 hours at 60±2 in 90-95% 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. |
2409272302_KYX-KBD253552020_C18209159.pdf
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