3.2*1.5mm 32.768KHz

3.2*1.5mm 32.768KHz

A kHz crystal oscillator generates clock signals in the kilohertz frequency range. Kilohertz crystal oscillators cover a wide range of frequencies, typically from a few kHz to tens of kHz.kHz crystal oscillators are used in applications that require timing and clock signals, including microcontrollers, digital logic circuits, and other electronic systems.They can serve as a frequency reference in various communication and measurement systems. kHz oscillators are used for generating clock signals for digital signal processing, waveform generation, and other purposes.

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Feature
3215 size miniature and fork crystal resonator, thin Pf 0.75 mm.
Provide high-precision and reliable ceramic packaging.
The metal cover is connected to the GND terminal to reduce EMI.
Anti-noise applications (smart meters, etc.)
Can provide a maximum series resistance of 50KΩ.
Meet AEC-Q200
Application
Mobile communications, PDAs, radio clocks, digital home appliances
Automotive applications, such as multimedia devices

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3215 size 32.768kHz Watch Crystal

Highly competitive price for SMD Tuning Fork Crystal with 3.2 x 1.5 x 0.65mm. PSX315 also with excellent reliability performance and ultra miniature package. And is available in a choice of circuit conditions at 32.768kHz which suitable for surface mount technology and IR reflow process.

Electrical Specifications

ParameterValue
Frequency Range32.768KHz
Frequency Tolerance±20ppm
Temperature Coefficient-0.034±0.006 ppm/(℃)2
Turnover temperature25±5℃
Operating Temperature Range-40℃ to 85℃
Storage Temperature Range-55℃ to 125℃
Quality factory60000Typ
Series resistance50 KΩ
Shunt Capacitance0.95pF Typ
Load Capacitance12.5pF
Insulator Resistance500 MΩ
Drive Level0.5μW
Capacitance ratio450Typ
Aging±3ppm

Dimension

SMD Tuning Fork Crystal 32.768KHz

Reflow

Watch Quartz Crystals PSX315

FAQ:

  1. How does A-Crystal support you: Free samples , OEM, Reliability test report, Product return report (8D report), RoHS substances compliant, REACH substances compliant
  2. What’s A Crystal’s performance Certificate?ISO 9001 quality management [9001 ISO 2015], ISO14001
  3. How many Production patents A Crystal has: 16
  4. Payment terms: T/T in advance
  5. Which express service: DHL, UPS, TNT, FedEx
  6. A Crystal’s monthly production capacity for 32.768 oscillators:1kk
  7. What’s the MOQ/Standard packing quantity: 3k per reel ( a crystal 32.768)
  8. Lead Time for the 32.768 khz clock oscillator: 3days-14days
  9. A Crystal produces tuning fork crystals with 32.768 khz xtl.
  10. Factory address: 32th Building, A District, Feiyue Technology Innovation Park, Jiaojiang, Taizhou, Zhejiang, China. ZIP:318014
  11. What is the lead time for:
Series ProductQuartz crystal sizeLead Time
HC49 SeriesHC-49SMD,HC-49S,HC-49U1-2 weeks
SMD quartz Crystals2012/2016/2520/3225/5032/6035/7050/80451-4 weeks
SMD crystal Oscillators2016/2520/3225/5032/70501-3 weeks
TCXO2520/3225/50322-5 weeks
SMD Watch/tuning fork CrystalsPSX315/PSX415/PSX519/PMX145/PMX206/PMX206F/PMX206FA/PMX405/PMX4061-2 weeks
VCXO2520/3225/50322-5weeks
TCVCXO2520/3225/50322-5weeks
DIP Watch/tuning fork CrystalsDT206/DT3081-2weeks
ZTA/ZTT SeriesZTTCC/ZTACC/1-2weeks

12.Free crystal samples and shipment fee ?

We provide you 20pcs free quartz crystals samples [no free samples for oscillators and TCXO,VCXO, and VCTCXO]. Customers to pay only the shipping fees.

 

  1. What basic information to provide when ordering a crystal?
SMD or DIPCrystal package size[mm]2pads ,3pads or 4pads...
Frequency: GHz,MHz or KHz frequency tolerance[ppm]frequency characteristics over temperature[ppm]
load capacitance[pF]operating temperature[℃] resistance(ESR)[Ω/㏀]
Supply Voltage[V]Output typeapplication
  1. Main sources of A Crystal component parts
Crystal BarChina
BaseNEC (Japan)
Outer coveringNEC (Japan)
ResinHENKEL (Germany)
High-temperature crystalKDS (Japan)

15. DIP cylinder crystal Production & Test Equipment

Equipment NameManufacturerQuantityPurpose
CoatersKorea3put the silver on the tuning fork tips
Auto  DispensingJapan5Stick the crystal on base
Fine tuningChina32Frequency modulation and control
WeldingChina12To weld the  outer covering and base
Laser MarkingChina3Marking on the outer covering
250BUSA3Test the frequency
High and low temperature testingUSA3High and low temperature testing
Automatic testingChina8Test the crystal

Insulated resistance tester

 

China6Test the crystal
  1. PMX145/206/308SMD    Production & Test Equipment

 

NO.Use processEquipment NameModelmanufacturerUnitQuantity
1Pin bendingAuto  pin bendingDT206/308CHINAPCS2
2Pin cuttingAuto pin cuttingDT308/206CHINAPCS6
3Spot weldingspot weldingSW-ⅡCHINAPCS16
4Auto spot weldingSW-300(refit )CHINAPCS2
5Plastic packageHF Preheat machineHDP-320CHINAPCS4
6hydraulic machineMP-125CHINAPCS4
7OrthopedicHydraulic PressesYN-12CHINAPCS10
8MarkingLaser MarkingYAG-M-50CHINAPCS5
9Testing equipmentClock TesterQWA-5ACHINA TWPCS1
10Crystal impedance meterFT-327BCHINAPCS20
11network analyzer250BUSAPCS3
12Frequency meterFT-100TCHINAPCS15
13Automatic testingBJ-308/206CHINAPCS20
14crystal calibrationGY3020CHINA TWPCS1
15Crystal impedance meterCZ-5CCHINA TWPCS1
16SpectrometerZDX8600CHINA TWPCS1
17ReflowT1000CHINAPCS1
18Insulated resistance testerTH3681ACHINA TWPCS1
19Incubator4310USAPCS4
20TapingAuto TapingPMX206CHINAPCS9
  1. Quality Management

Ø A-crystal supports its customer base through the pursuit of continuous quality improvement.

Ø World-Class leading product designs.

Ø  ISO-9001 certified production and Quality management

Ø Reliability testing for all products to ensure quality stability.

Ø Strict quality evaluation of all raw material suppliers

Ø Customers satisfaction feedback program for quality assurance

Ø Complete sales & after-sales quality service and customer care

Ø Regular employee trainings to achieve continuous quality improvement.

Management participation programs to promote  commitment to highest quality standards and customer focus.

  1. How’s a-crystal’s  Customer Care: returns process                                                                                           
  1. How to see a crystal production line radio on tube: https://www.acrystals.com/about-us_d1
  1. How to attach a tuning fork to PCB/A crystal recommended Solder Reflow?

Soldering Characteristics

A variety of methods can be used to solder A-Crystal products to PCB and substrates

Ø Wave or Dual Wave

Ø Hot Air or Convection Flow

Ø Vapor Phase Reflow

Ø Infrared Reflow

Ø Bubble Solder Immersion

Ø Tohers (Laser,etc)

ModelPre-heating timeReflow TemperatureReflow time
SMD Tuning fork 01(lead free)60-120 Seconds230℃ Max10 Seconds Max
SMD Tuning fork 02(no lead free for solder, but ROHS compliant)30-60 Seconds260℃ Max10 Seconds Max
HC-49U30-60 Seconds250℃ Max10 Seconds Max
HC-49S series30-60 Seconds250℃ Max10 Seconds Max
HC-49SM series30-60 Seconds250℃ Max10 Seconds Max
UM series30-60 Seconds250℃ Max10 Seconds Max
SMD crystal units30-60 Seconds250℃ Max10 Seconds Max
Clock Oscillator30-60 Seconds250℃ Max5 Seconds Max
VCXO30-60 Seconds250℃ Max5 Seconds Max
SMD oscillator30-60 Seconds260℃ Max10 Seconds Max
Ceramic Resonator30-60 Seconds225℃ Max10 Seconds Max
Ceramic Filter30-60 Seconds225℃ Max10 Seconds Max
  1. What’s the pictures of the A crystal time quartz watch XTAL/ timing oscillator/tuning fork resonator?                                                                                                 
  1. Package:

Package is made of corrugated paper with thickness of 0.8cm.

Each Package contains 10 inner boxes, each box has 1 plastic reel

Each reel has 3000 pieces of Crystal Resonators

Therefore Total package contains 30,000 pieces of crystal resonators.

Large package contains 20 inner boxes (60, 000 pieces of crystal resonators)

  1. Why A Crystal?

Pricing:   Highly competitive pricing

Quality: ISO 9001 certified quality system and knowledgeable quality assurance team.

Delivery : Short lead-time for standard products and on time delivery for customized products.

Service:   Comprehensive skilled technical support

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A kHz crystal oscillator generates clock signals in the kilohertz frequency range. Kilohertz crystal oscillators cover a wide range of frequencies, typically from a few kHz to tens of kHz.kHz crystal oscillators are used in applications that require timing and clock signals, including microcontrollers, digital logic circuits, and other electronic systems.They can serve as a frequency reference in various communication and measurement systems. kHz oscillators are used for generating clock signals for digital signal processing, waveform generation, and other purposes.

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