Hangzhou Freqcontrol Electronic Technology Ltd.
| Payment Terms | T/T |
| Supply Ability | 200000 pcs / Month |
| Delivery Time | 1-4 weeks |
| Packaging Details | Cassette / Jar, put in a carton with PE foam. |
| Product | Cultured Quartz Crystal |
| Thickness / Frequency | 1MHz~70MHz by etching |
| Rotation | SC-cut, AT-cut |
| θ Angle | ±10″, ±15″, ±30″, ±1′, ±2′, …, etc. |
| Size | Φ8mm, 10mm；20×20mm etc. |
| Ord | Fundamental; 3rd Overtone; 5th Overtone |
| Surface | #1000(9u); #2000(7u); #3000(5u); #4000(3u) (SiC); Polished(Cerium Oxide）& Etched Std |
| Dioptric | Plano-Convex: 0.5 dioptric～10 dioptric Bi-Convex: 10 dioptric～15 dioptric |
| Brand Name | BonTek |
| Model Number | Single Crystal Quartz |
| Certification | ISO:14001 |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T | Supply Ability | 200000 pcs / Month |
| Delivery Time | 1-4 weeks | Packaging Details | Cassette / Jar, put in a carton with PE foam. |
| Product | Cultured Quartz Crystal | Thickness / Frequency | 1MHz~70MHz by etching |
| Rotation | SC-cut, AT-cut | θ Angle | ±10″, ±15″, ±30″, ±1′, ±2′, …, etc. |
| Size | Φ8mm, 10mm；20×20mm etc. | Ord | Fundamental; 3rd Overtone; 5th Overtone |
| Surface | #1000(9u); #2000(7u); #3000(5u); #4000(3u) (SiC); Polished(Cerium Oxide）& Etched Std | Dioptric | Plano-Convex: 0.5 dioptric～10 dioptric Bi-Convex: 10 dioptric～15 dioptric |
| Brand Name | BonTek | Model Number | Single Crystal Quartz |
| Certification | ISO:14001 | Place of Origin | China |
| High Light | Doubly Rotated Quartz Crystal Blanks ，SC Cut Quartz Crystal Blanks ，Oven Stabilized Oscillators Quartz Piezoelectric Wafer | ||
SC Cut Doubly Rotated Quartz Crystal Blanks For Oven-Stabilized Oscillators
A special cut (Stress Compensated) developed in 1974, is a double-rotated cut (35°15' and 21°54') for oven-stabilized oscillators with low phase noise and good aging characteristics. Less sensitive to mechanical stresses. Has faster warm-up speed, higher Q, better close-in phase noise, less sensitivity to spatial orientation against the vector of gravity, and less sensitivity to vibrations.[53] Its frequency constant is 1.797 MHz⋅mm. Coupled modes are worse than the AT cut, resistance tends to be higher; much more care is required to convert between overtones. Operates at the same frequencies as the AT cut. The frequency-temperature curve is a third order downward parabola with inflection point at 95 °C and much lower temperature sensitivity than the AT cut.
| Orientation | AT, SC, IT,…, etc |
| Angle Tolerance | Theta Angle: ±5″, ±10″, ±15″, ±30″, ±1′, ±2′, …, etc. |
| Phi Angle: ±5′, ±10′, ±15′, ±30′, …, etc. | |
| Size | Round (3.0mm～8”)/ Square (1.6x1.6mm～48x48mm or larger)/ SMD (1.2x2.4mm Above) |
| Size Tolerance | ±0.01mm,+/-0.005mm, +/-0.0005mm, according to size |
| Frequency | 1 Mhz up to 54Mhz for AT-Cut Fundamental; Up to 70Mhz by Etching |
| Flat | Per requested: the flat shall be perpendicular to X axis within ±10 deg |
| Surface | #1000(9u); #2000(7u); #3000(5u); #4000(3u) (SiC); Polished(Cerium Oxide)& etched Std |
| Overtone | Fundamental; Third Overtone (3rd); Fifth Overtone (5th) |
| Dioptric | Plano-Convex: 0.5 dioptric～10 dioptric Bi-Convex: 10 dioptric～15 dioptric |
| Material | Cultured Quartz Crystal |
| Q-Value | Min 1.8x10^6, 2.4x10^6 to 3.0x10^6 IEC standards |
| ECD | Max 2 /c㎡, 10/c㎡, Max 30/c㎡, Max 100/c㎡, Max 300/c㎡; Swept Quartz |
| Inclusions | Ia, Ib, I, II, III Grades |
| Swept | Z bar, Y bar, Or Swept quartz |
Acceptance Check
Company Details
Business Type:
Manufacturer,Trading Company
Year Established:
1999
Total Annual:
800M-1500M
Employee Number:
10~99
Ecer Certification：
Verified Supplier
Founded in 1999, Hangzhou Freqcontrol Electronic Technology Ltd. is a China leading manufacturer of piezoelectric crystal wafers, substrates, components and single crystal growth. We, known as the "CQT Group" in global market, headquartered in Hangzhou, China, empowered by its manufacturin... Founded in 1999, Hangzhou Freqcontrol Electronic Technology Ltd. is a China leading manufacturer of piezoelectric crystal wafers, substrates, components and single crystal growth. We, known as the "CQT Group" in global market, headquartered in Hangzhou, China, empowered by its manufacturin...
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