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.
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
1.1 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℃ |
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.
|
| Quantity Pcs/reel |
a |
b |
c |
d |
e |
f |
| 3k/reel |
12.0
|
5.5
|
4.0
|
1.0
|
1.9
|
3.6
|
|
Pieces per reel
|
φm
|
φn
|
L
|
Carrier tape size
|
|
3000/reel
|
330±3
|
100min
|
20±1
|
20
|
4.3 Section of package
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