SJK: High-precision oscillators & filters for global tech industries.
sjk@q-crystal.com+86 755 8835 2869
6A Series Hc-49U Crystal Units
1MHz～150MHz / Size: 11.0×13.0×4.5mm
• Resistance welded type crystal units
• Wide frequency range from 1MHz up to 150MHz
• Offers excellent frequency stability
• High frequency pullability and lower equivalent series
resistance
• Low cost and highly mass production capability
• Application for TV, STB, LCDM, Communications, Cable
modem, etc
• RoHS Compliant / Pb Free
• Resistance welded type crystal units
• Wide frequency range from 1MHz up to 150MHz
• Offers excellent frequency stability
• High frequency pullability and lower equivalent series
resistance
• Low cost and highly mass production capability
• Application for TV, STB, LCDM, Communications, Cable
modem, etc
• RoHS Compliant / Pb Free
5.0
design customization
Please fill out the form below to request a quote or to request more information about us. Please be sure to upload customized requirement documents or pictures, and we will get back to you as soon as possible with a response. we're ready to start working on your new project, contact us now to get started.
Please fill out the form below to request a quote or to request more information about us. please be as detailed as possible in your message, and we will get back to you as soon as possible with a response. we're ready to start working on your new project, contact us now to get started.
Key Features
Standard HC‑49U through‑hole package Wide frequency range: 1MHz ~ 150MHz High frequency stability & low aging rate Low equivalent series resistance (ESR) Hermetically sealed for reliability Wide operating temperature range Customizable load capacitance & tolerance RoHS Compliant / Pb Free Suitable for automated through‑hole assemblyStandard Specifications
| Item | 6A Series Hc-49U Crystal Units |
| Frequency Range | 1~150MHZ |
| Load Capacitance | 16pF, 18pF, 20pF, or specify |
| Drive Level | 100 µW typical |
| Frequency Tolerance | +10ppm, +20ppm, +30ppm, or specify (at 25°C) |
| Frequency Characteristics Over Temperature | +10ppm, +20ppm, +30ppm, or specify |
| Operating Temperature Range | -20~+70°C,-40~+85°C, or specify |
| Storage Temperature Range | -55~+125°C |
Equivalent Series Resistance (ESR)
| Fundamental | 3rd Overtone | 5th Overtone | |||
| 1.843~3.0MHz | 350Ω max. | 20~25MHz | 50Ω max. | 75~100MHz | 40Ω max. |
| 3.0~3.5MHz | 150Ω max. | 25~30MHz | 40Ω max. | 100~125MHz | 60Ω max. |
| 3.5~4.0MHz | 90Ω max. | 30~75MHz | 40Ω max. | 125~150MHz | 80Ω max. |
| 4.0~7.0MHz | 60Ω max. | 75~100MHz | 60Ω max. | ||
| 7.0~15.0MHz | 35Ω max. | ||||
| 15~30MHz | 25Ω max. | ||||
Application scenarios
Consumer electronics & home appliances
Industrial control & automation equipment
Wired & wireless communication devices
Clock & timing reference circuits
Embedded systems & microcontroller modules
Power supplies & instrumentation
Automotive electronics (general purpose)
Audio & video equipment
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Get in touch with us
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Founded in 1989, SJK specializes in the manufacturing of crystal resonators and oscillators. With extensive experience in miniaturization, high precision, and low power consumption, our components are widely used across multiple industries.
Useful Links
Contact Us
Tel: +86 755 8835 2869
Email: sjk@q-crystal.com
Add: 12/F, Building 3C, TianAn Cloud Park Phase 1, Bantian, Longgang District, Shenzhen, 518129, China