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TAI-SAW TECHNOLOGY CO., LTD.
Crystal Unit SMD 2.0x1.6 27.12MHz
MODEL NO.: TZ1897A
REV. NO.: 2
Revise:
Rev.
Rev. Page Rev. Account
Date
1
2
N/A
3
03/29/11’ N/A
09/01/11
Initial release
Update ESR Spec
TAI-SAW TECHNOLOGY CO., LTD.
Ref. No.
Revised by
Naco Kuo
Naco Kuo
TST DCC
Release document
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TAI-SAW TECHNOLOGY CO., LTD.
Crystal Unit SMD 2.0x1.6 27.12MHz
MODEL NO.: TZ1897A
REV. NO.: 2
Features:
z
z
z
z
Surface Mount Hermetic Package
Excellent Reliability Performance
Good Frequency Perturbation and Stability over temperature
Ultra Miniature Package
RoHS Compliant
Lead free
Lead-free soldering
Description and Applications:
Surface mount 2.0mmx1.6mm crystal unit for use in wireless communications devices,
especially for a need of ultra miniature package for mobility.
Electrical Specifications:
TZ1897A
Specification
Nominal Frequency
27.120000 MHz
Mode of Oscillation
Fundamental
Storage Temperature Range
-40°C to +90°C
Operating Temperature Range
-30°C to +85°C
Frequency Stability over Operating
Temperature Range
+/-15 ppm (referred to the value at 25°C)
Frequency Make Tolerance (FL)
+/-10 ppm @ 25°C +/- 3°C
Equivalent Series Resistance (ESR)
60 Ω max
Nominal Drive Level
100 uW max.
Shunt Capacitance (Co)
5.0 pF max
Load Capacitance (CL)
10 pF
Insulation Resistance
500 MΩ min./DC 100V
Marking
Laser Marking
Unit Weight
5.7mg+/-0.5mg
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Mechanical Dimensions (mm):
Recommended Land Pattern: (unit: mm)
Marking:
Line 1: XX; Frequency (27)
Line 2: T; Traceable Code + D; date Code of Year/Month
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Date Code Table: Year/Month
Year/Month
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11
12
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2010
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2011
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2012
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2013
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2014
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2015
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2016
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2017
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2018
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2019
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2020
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2021
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Reel Dimensions (mm):
Tape Dimensions (mm):
TAI-SAW TECHNOLOGY CO., LTD.
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[NOTE]:
1. Unless otherwise specified tolerance on dimension +/-0.1 mm.
2. Material: conductive polystyrene with color black.
3. 10 pitch cumulative tolerance +/-0.2 mm.
Packing Quantity/Packing:
3K pcs maximum per reel
Reflow Profile:
Note: 1.Max peak temperature: 260+/-5 deg C; Time: 10+/-2 sec
2. Temperature: 217+/-5 deg C; Time: 90~100 sec
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Reliability Specifications
Test name
Reference
standard
Test process / method
Mechanical characteristics
resistance to
Soldering heat
(IR reflow)
Temp./ Duration : 260°C /10sec ×2 times
Total time : 4min.(IR-reflow)
Vibration
Total peak amplitude : 1.5mm
Vibration frequency
: 10 to 55 Hz
Sweep period
: 1.0 minute
Vibration directions : 3 mutually perpendicular
Duration
: 2 hr / direc.
directions : 3 impacts per axis
Acceleration : 3000g's, +20/-0 %
Duration
: 0.3 ms (total 18 shocks)
Waveform : Half-sine
Solder Temperature:265±5°C
Duration time: 5±0.5 seconds.
Mechanical
Shock
Solderability
EIAJED-4701
-300(301)M(II)
MIL-STD 202F
method 201A
MIL-STD 202F
method 213C
MIL-STD 883G
method 2003
Environmental characteristics
Thermal Shock
Humidity test
Dry heat
( Aging test )
PCT test
Heat cycle conditions
-55 ℃ (30min) ←→
* cycle time : 10 times
125 ℃ (30min)
Temperature : 70 ± 2 °C
Relative humidity : 90~95%
Duration
: 96 hours
Temperature : 125 ± 2 °C
Duration
: 168 hours
2
MIL-STD 883G
method 1010.7
MIL-STD 202F
method 103B
5
Pressure: 2.06kg/cm (2.03*10 pa)
Temperature : 121 ± 2 °C
Relative humidity : 100%
Duration
: 24 hours
TAI-SAW TECHNOLOGY CO., LTD.
MIL-STD 883G
method 1008.2
condition C
EIAJED-4701-3
B-123A
TST DCC
Release document