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SMD Tuning Fork Crystal PMX405

Features

  • Ultra Miniature SMD Tuning Fork Crystal Resonator
  • Plastic molded SMD tuning fork crystal of heat-resistance
  • Metal Lid Connected To GND Terminal To Reduce EMI
  • Suitable For Mobile Communications And Consumer Devices.
Applications
  • Mobile Communications And Consumer Devices, Etc.

  • Smart Card And Wearable Devices

Product Detail

405 size 32.768kHz Watch Crystal
Highly competitive price for watch crystal with 10.4 x 4.06 x 3.6mm. PMX405 also with excellent reliability performance. And is available in a choice of circuit conditions at 32.768kHz which suitable for surface mount technology and IR reflow process.



Electrical Specifications

Parameter Value
Frequency Range 32.768KHz
Frequency Tolerance ±20ppm
Temperature Coefficient -0.034±0.006 ppm/()2
Turnover temperature 25±5℃
Operating Temperature Range -40 to 85
Storage Temperature Range -55 to 125
Quality factory 60000Typ
Series resistance 50 KΩ
Shunt Capacitance 1.9pF Typ
Load Capacitance 12.5pF
Insulator Resistance 500 MΩ
Drive Level W
Capacitance ratio 450Typ
Aging ±3ppm

Dimension   

SMD Tuning Fork Crystal 32.768KHz


Reflow


Watch Quartz Crystals PMX405



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 ACrystal’s performance Certificate? ISO 9001 quality management [9001 ISO 2015], ISO14001

3. How many Production patents ACrystal has: 16 

4. Payment terms : T/T in advance

5. Which express service: DHL, UPS, TNT, FedEx

6. ACrystal’s monthly production capacity for 32.768 oscillators:1kk 

7. What’s the MOQ/Standard packing quantity: 3k per reel ( acrystal 32.768)

8. Lead Time for the 32.768 khz clock oscillator: 3days-14days

9. ACrystal produces tuning fork crystals with 32.768 khz xtl.

10. Factory address: 17th Building, A District, Feiyue Technology Innovation Park, Jiaojiang, Taizhou, Zhejiang, China. ZIP:318014

11. What is the lead time for:


Series Product

Quartz crystal size

Lead Time

HC49 Series

HC-49SMD,HC-49S,HC-49U

1-2 weeks

SMD quartz Crystals

2012/2016/2520/3225/5032/6035/7050/8045

1-4 weeks

SMD crystal Oscillators

2016/2520/3225/5032/7050

1-3 weeks

TCXO

2520/3225/5032

2-5 weeks

SMD Watch/tuning fork Crystals

PSX315/PSX415/PSX519/PMX145/PMX206/PMX206F/PMX206FA/PMX405/PMX406

1-2 weeks

VCXO

2520/3225/5032

2-5weeks

TCVCXO

2520/3225/5032

2-5weeks

DIP Watch/tuning fork Crystals

DT206/DT308

1-2weeks

ZTA/ZTT Series

ZTTCC/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.

 

13. What basic information to provide when ordering a crystal?


SMD or DIP

Crystal package size[mm]

2pads ,3pads or 4pads...

Frequency: GHz,MHz or KHz

 frequency tolerance[ppm]

frequency charactristics over temperature[ppm]

load capacitance[pF]

operating temperature[℃]

 resistance(ESR)[Ω/㏀]

Supply Voltage[V]

Output type

application


14. Main sources of ACrystal component parts

Crystal Bar

China

Base

NEC (Japan)

Outer covering

NEC (Japan)

Resin

HENKEL (Germany)

High-temperature crystal

KDS (Japan)



15. DIP cylinder crystal Production & Test Equipment

Equipment Name

Manufacturer

Quantity

Purpose

Coaters

Korea

3

put the silver on the tuning fork tips

Auto  Dispensing

Japan

5

Stick the crystal on base

Fine tuning

China

32

Frequency modulation and control

Welding

China

12

To weld the  outer covering and base

Laser Marking

China

3

Marking on the outer covering

250B

USA

3

Test the frequency

High and low temperature testing

USA

3

High and low temperature testing

Automatic testing

China

8

Test the crystal

Insulated resistance tester

 

China

6

Test the crystal


16. PMX145/206/308SMD    Production & Test Equipment


NO.

Use process

Equipment Name

Model

manufacturer

Unit

Quantity

1

Pin bending

Auto  pin bending

DT206/308

CHINA

PCS

2

2

Pin cutting

Auto pin cutting

DT308/206

CHINA

PCS

6

3

Spot welding

spot welding

SW-Ⅱ

CHINA

PCS

16

4

Auto spot welding

SW-300(refit )

CHINA

PCS

2

5

Plastic package

HF Preheat machine

HDP-320

CHINA

PCS

4

6

hydraulic machine

MP-125

CHINA

PCS

4

7

Orthopedic

Hydraulic Presses

YN-12

CHINA

PCS

10

8

Marking

Laser Marking

YAG-M-50

CHINA

PCS

5

9

Testing equipment

Clock Tester

QWA-5A

CHINA TW

PCS

1

10

Crystal impedance meter

FT-327B

CHINA

PCS

20

11

network analyzer

250B

USA

PCS

3

12

Frequency meter

FT-100T

CHINA

PCS

15

13

Automatic testing

BJ-308/206

CHINA

PCS

20

14

crystal calibration

GY3020

CHINA TW

PCS

1

15

Crystal impedance meter

CZ-5C

CHINA TW

PCS

1

16

Spectrometer

ZDX8600

CHINA TW

PCS

1

17

Reflow

T1000

CHINA

PCS

1

18

Insulated resistance tester

TH3681A

CHINA TW

PCS

1

19

Incubator

4310

USA

PCS

4

20

Taping

Auto Taping

PMX206

CHINA

PCS

9


17. 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.


18. how’s a-crystal’s  Customer Care : returns process


19. how to see acrystal production line radio on tube :https://www.acrystals.com/about-us_d1


20. how to attach a tuning fork to PCB/Acrystal 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)


Model

Pre-heating time

Reflow Temperature

Reflow time

SMD Tuning fork 01(lead free)

60-120 Seconds

230℃ Max

10 Seconds Max

SMD Tuning fork 02(no lead free for solder, but ROHS compliant)

30-60 Seconds

260℃ Max

10 Seconds Max

HC-49U

30-60 Seconds

250℃ Max

10 Seconds Max

HC-49S series

30-60 Seconds

250℃ Max

10 Seconds Max

HC-49SM series

30-60 Seconds

250℃ Max

10 Seconds Max

UM series

30-60 Seconds

250℃ Max

10 Seconds Max

SMD crystal units

30-60 Seconds

250℃ Max

10 Seconds Max

Clock Oscillator

30-60 Seconds

250℃ Max

5 Seconds Max

VCXO

30-60 Seconds

250℃ Max

5 Seconds Max

SMD oscillator

30-60 Seconds

260℃ Max

10 Seconds Max

Ceramic Resonator

30-60 Seconds

225℃ Max

10 Seconds Max

Ceramic Filter

30-60 Seconds

225℃ Max

10 Seconds Max


21. What’s the pictures of the Acrystal time quartz watch XTAL/ timing oscillator/tuning fork resonator?


22. 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)


23. Why ACrystal?

 

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


24. How to Contact Us?

 

Web: https://www.acrystals.com
Email: Eva.wang@acrystals.com
Tel: 0086-576-88671858
Fax: 0086-576-88671857 
Address[google map]: 17th Building, A District, Feiyue Technology Innovation Park, Jiaojiang, Taizhou, Zhejiang, China. ZIP:318014




Leave A Message

If you have any problem when using the website or our products, please write down your comments or suggestions, we will answer your questions as soon as possible!Thank you for your attention!

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    If you have any problem when using the website or our products, please write down your comments or suggestions, we will answer your questions as soon as possible!Thank you for your attention!