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TUNING FORK CRYSTALS AND 32.768KHz OSCILLATORS

KHz Crystals

KHz SMD

PMX307-Crystal 32.768 khz-watch Crystal 32.768 khz-Quartz Resonator 32.768 KHz

Hot Products

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    SMD Tuning Fork Crystal PSX1610 Features Ultra miniature SMD tuning fork crystal resonator A ceramic package with metal lid providing high precision and reliability. 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 More

  • 2.0x1.2x0.5mm SMD Tuning Fork Crystal

    SMD Tuning Fork Crystal PSX215 Features Ultra miniature SMD tuning fork crystal resonator A ceramic package with metal lid providing high precision and reliability. 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 More

  • 3.2 x 1.5mm SMD Tuning Fork Crystal

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  • 4.1x1.5mm SMD Tuning Fork Crystal

    SMD Tuning Fork Crystal PSX415 Features 4115 size miniature and fork crystal resonator with a low profile pf 0.75mm. a ceramic package providing high precision and reliability. metal lid connected to GND terminal to reduce EMI. Noise Resistance application (smart meter etc.) AEC-Q200 compliant Applications mobile Communications, PDA, wave clock, digital appliance auto motive applications such as multimedia device More

  • 6.9x1.4mm SMD Tuning Fork Crystal

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  • 8.0x3.2mm SMD Tuning Fork Crystal

    SMD Tuning Fork Crystal PMX206 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 More

  • 9.6x4.0mm SMD Tuning Fork Crystal

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  • 9.6x4.0mm SMD Tuning Fork Crystal

    SMD Tuning Fork Crystal PMX406 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 More

PMX307-Crystal 32.768 khz-watch Crystal 32.768 khz-Quartz Resonator 32.768 KHz

Free Sample A-Crystal Quartz Resonator 32.768 KHz Crystal Oscillator、Resonator 32.768 KHz、Quartz 32.768 KHz、32.768KHz DIP Tuning Fork、12.5pf 20ppm 32.768KHz、Electronic Component Crystals 32.768KHz、32.768KHz 6pF Quartz Crystal、DIP Tuning Fork Xtal 32.768KHz、Components Resonator 32.768KHz 6pF Quartz Crystal、SMD 32.768KHz、32.768KHz Crystal 3225、Oscillator 32.768KHz、SMD Oscillator 32.768KHz、32.768KHz Crystal Oscillator.

  • Item NO. :

    PMX307
  • Payment:

    T/T
  • Market Price:

    $0.058
  • Price:

    $0.078/0.088
  • Price Range:3000 - 10000/$0.078
  • Product Origin:

    China
  • Shipping Port:

    Shanghai
  • Lead Time:

    7days
Product Detail

CRYSTAL UNIT SPECIFICATIONS


Product
CRYSTAL RESONATORS
Spec
PMX307/32.768K/12.5PF/+-20PPM
A-Crystal P/N
AMP3276812503E6

Replacement Tuning fork crystal units CM415 KHz Crystal from Citizen and


A-Crystals PMX307 and CM415 Series CITIZEN FINEDEVICE CM415 32.768KDZF-UT Crystal in 32.768 kHz, SMD, 4.1mm x 1.5mm, 12.5 pF, 20 ppm.DST410S KDS 4115 32.768K 32.768KHZ with 2pins


1. ELECTRICAL SPECIFICATIONS

1.1 Hold Type: PMX-307

Parameter
Symb
Value
Condition
Frequency Range
FO
32.768Khz

Frequency Tolerance
△f/fo
±20PPM
REF TO 25℃
Temperature Coefficient
K
-0.034±0.006 ppm/(℃)2

Turnover Temperature
TTO
25±5℃

Operating Temperature Range
TOP
-20℃ to 70℃

Storage Temperature Range
TST
-55℃ to 125℃

Quality Factor
Q
60,000TYP

Series Rstance

R1
70 KΩ
REF TO 25℃
Shunt Capacitance
CO
1.0PF TYP
0.9~2.0PF
Motional Capacitance
C1
3.0 Ff TYP

Load Capacitance
CL
12.5PF

Insulator Resistance
IR
500 MΩ
DC100V±15V
Drive Level
DL
0.1цW
0.5Max
Capacitance ratio
R
450TYP

Aging Rate

±3PPM
at 25℃±3℃

1.2 Dimension(Unit: mm)





1.3Reflow solder







2. TEST STANDARD
2.1 GENERAL ELECTRICAL CHARACTERISTICS AND VISUALTESTING
2.1.1 LOT CLASSIFICATION : If the quantity is 1000 PCS or more, 1000 PCS is one lot
2.1.2 SAMPLING TEST METHOD : MIL-STD-105E G-II
2.1.3 TEST LEVEL
A) HIGH LEVEL DEFECT : AQL 0.065% [200 pcs]
B) MEDIUM LEVEL DEFECT : AQL 0.25% [50 pcs]
C) LOW LEVEL DEFECT :AQL 0.4% [32 pcs]
2.1.4 DEFECT CLASSIFICATION
A) HIGH LEVEL
@NO FREQUENCY
@MIXING
@LEAK DEFECT
B) MEDIUM LEVEL - ELECTRICAL CHARACTERISTIC DEFECT
@FREQUENCY
@OSCILLATION
@ELECTRICAL CURRENT
@OTHER ELECTRICAL CHARACTERISTICS DEFECT
C) VISUAL
@MARKING
@WELDING
@LEADS
@OTHER VISUAL DEFECT
TESTING METHOD AND ITS STANDARD CAN BE MODIFIED DEPENDING
ON THE CUSTOMER'S REQUEST

2.2 Equivalent Circuits





3.RELIABILITY(MECHANICAL AND ENVIRONMENTAL ENDURANCE)

NO.
TEST
TEST METHOD AND CONDITION
REQUIREMENTS
1
VIBRATION
(1)VIBRATION FREQUENCY:10 TO 60HZ
(2)VIBRATION AMPLITUDE:1.5MM
(3)CYCLE TIME:1~2MIN(10-55-10HZ)
(4)DIRECTION:X.Y.Z
(5)DURATION:2H/EACH DIRECTION
(6)G-FORCE:≥5G
FREQUENCY CHANGE:
±10PPM MAX.
RESISTANCE CHANGE:
± 15%RRMAX
2
SHOCK
3 TIMES FREE DROP FROM 75CM HEIGHT TO HARD
WOODEN BOARD OF THICKNESS MORE
THAN 30MM.
FREQUENCY CHANGE:
±10PPM MAX.
RESISTANCE CHANGE:
± 15%RRMAX.
3
LEAKAGE
PUT CRYSTAL UNITS INTO A HERMETIC
CONTAINER AND HELIUM FOR 0.5-0.6.
MPA,AND KEEP IT FOR 1H;CHECK THE LEAKAGE BY A
HELIUM LEAK DETECTOR.
LEAKAGE:1X10¯8MBAR.L/S
MAX.
4
SOLDERABILITY
(1)DIP THE LEADS INTO FLUX(ROJIN METHANOL) FOR
3~5S.
(2)DIP THE LEADS INTO 245±5℃ 99% SN DIPPING
SOLUTION FOR 5S.
THE DIPPED PART OF THE
LEADS SHOULD HAVE
95% SN COATING.
5
SOLDERI
NG HEAT
RESISISTANCE
TEST
(1)PERFORM ELECTRICAL CHARACTERISTICS
TEST BEFORE STARTING THIS PROCEDURE.
(2)DIP THE LEADS INTO FLUX(ROJIN METHANOL)
5±0.5S.
(3)DIP THE LEADS INTO 260±5℃ 99% SN DIPPING
SOLUTION FOR 5S.
(4)TAKE THE UNIT OUT ,STORE AT ROOM
TEMPER ATURE FOR 30S THEN MEASURE THE
ELCTRICAL CHARACTERISTICS.

SHOULD PASS SEALING
AND VISUAL TEST.
FREQUENCY CHANGE:
±10PPM MAX.

6
LEAK TEST
USE HELIUM LEAK DETECTOR.
BOMBING PRESSURE:5KG/CM²
BOMBING TIME: 2 HOURS
LEAK SHOULD BE LESS THAN 1E-8 ATM.CC/SEC.

GAS OR AIR SHOULD NOT
BE DETECTED.
7
HIGH
TEMPERATURE
ENDURANCE
THE CRYSTAL UNITS SHALL BE PUT IN SOMEWHERE
FOR1000 HOURS AT TEMPERATURE OF125℃±5℃,THEN KEEP IT FOR 1 TO 2 HOURS UNDER ROOM TEMPERATURE.
FREQUENCY CHANGE:±10PPMMAX.RESISTANCE
CHANGE:
± 15%RRMAX.


NO.

TEST

TEST METHOD AND CONDITION

CONDITION
REQUIREMENTS

8

LOW
TEMPERATURE
ENDURANCE

THE CRYSTAL UNITS SHALL BE PUT IN
SOMEWHERE FOR 1000 HOURS AT
TEMPERATURE OF -40℃,THEN KEEP IT FOR 1 TO
2 HOURS UNDER ROOM.

FREQUENCY CHANGE:
±10PPM MAX.
RESISTANCE CHANGE:
± 15%RRMAX

9
HUMIDITY
ENDURANCE

SOMEWHERE AT 40℃±5℃ IN RELATIVE
HUMIDITY OF 90%~95% FOR 72 HOURS, THEN KEEP IT
FOR ONE OR TWO HOURS UNDER ROOM
TEMPERATURE

FREQUENCY CHANGE:
±10PPM MAX.
RESISTANCE CHANGE:
± 15%RRMAX.

10
TEMPERATURE
CYCLE

TEMPERATURE SHIFT FROM LOW(-40℃) TO
HIGH(100℃,KEEP 30 MINUTES),SATISFY
HIGH(100℃) TO LOW(-40℃,KEEP 30
MINUTES),THEN GO UP TO ROOM TEMPERATURE FOR
10 CYCLES.

FREQUENCY CHANGE:
±10PPM MAX.
RESISTANCE CHANGE:
± 15%RRMAX.

11
LEAD
TENSILTY

(1)FIX THE UNIT.
(2)APPLY 2LB OF WEIGHT AXIS TO THE LESDS.
(3)TIME:5S

SHOULD PASS
SEALING AND VISUAL
TEST.

12
LEAD BENDING

(1) ATTACH 1LB OF WEIGHT TO EACH OF THE LEADS.
(2) BENDING ANGLE:90°(FROM THE NOMAL POSITION
TO 45°OPPOSTTE DIRECTION)
(3) BENDING TIME:3S(EACH DIRECTION) NUMBER OF
BENDING:2TIMES
(4) NUMBER OF BENDING:2TIMES

SHOULD PASS
SEALING AND VISUAL
TEST.

13
MARKING
ERASE

SUBMERGE THE UNIT INTO IPA[ISOPROPYL
ALCOHOL]
SOLUTION FOR 10MINUTES AND BRUSH THE
MARKING 10 TIMES WITH A TOOTH BRUSH.

MARKING SHOULD NOT
BE ERASED.


4.PACKING
4.1 Packing Method Sketch Map (Unit: mm)


Quantity Pcs/reel a
b
c
d
e
f
3k/reel
12.0

5.5

4.0

1.0

1.9

3.6


4.2 Reel Dimensions (Unit: mm)




Pieces per reel
φm
φn
L
Carrier tape size
3000/reel
330±3
100min
20±1
20


4.3 Section of package


Package is made of corrugated paper with thickness of 0.8cm.Package has 10 inner boxes, each
box has 1 reel
4.3.1 Quantity of package
Per plastic reel 3000 pieces of Crystal Resonators
Per inner box 3k/reel
Per package 10 inner boxes & 10 inner boxes
(30000 pieces of Crystal Resonators)
4.3.2 Inner Box Dimensions (Unit: mm)


4.3.3 Dimensions and Mark (Unit: mm)




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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!