Preliminary
XTL1027
•
•
•
•
Surface Mount Seam-Weld Package
Good Frequency Stability over Temperature
Excellent Reliability
Complies with Directive 2002/95/EC (RoHS)
P b
26.43875 MHz
Crystal Unit
The XTL1027 is a surface mount 5.0 x 3.2 mm crystal unit for use in wireless
telecommunications devices, especially where an ultra-miniature package is
needed for mobility.
SM5032-4 Case
Electrical Characteristics
Characteristic
Nominal Frequency
Mode of Oscillation
Storage Temperature Range, Crystal Only
Storage Temperature Range, in Tape and Reel
Operating Temperature Range
Frequency Stability over Operating Temperature Range
Frequency Make Tolerance
Equivalent Series Resistance
Shunt Capacitance
Nominal Drive Level
Load Capacitance
Insulation Resistance at 100 VDC
Weight
Stanard Shipping Quantity on 330 mm (13”) Reel
Lid Symbolization (in addition to Lot and/or Date Codes)
C
L
500
0.037 ±0.005
3000
1027 YWWS
F
L
ESR
C
O
10
12.0
-50
-40
-20
±20 ppm @ 25°C ±3°C
40
2.0
100
Ω
pF
µW
pF
MΩ
gm
units
Sym
Notes
Minimum
Typical
26.43875
Fundamental
Maximum
Units
MHz
+125
+85
+80
°C
°C
°C
±20 ppm (referenced to the value at 25°C)
C r y s ta l E q u iv a le n t C ir c u it
1
C
O
E S R
3
CAUTION: Electrostatic Sensitive Device. Observe precautions for handling.
Notes:
1.
2.
3.
US and international patents may apply.
The design, manufacturing process, and specifications of this device are subject to change without notice.
RFM, stylized RFM logo, and RF Monolithics, Inc. are registered trademarks of RF Monolithics, Inc.
www.RFM.com E-mail: info@rfm.com
©2009-2010 by RF Monolithics, Inc.
Page 1 of 4
XTL1027 - 2/3/10
SM5032-4 Case
4-Terminal Surface-Mount Seam Weld Case
5.0 x 3.2 mm Nominal Footprint
T o p V ie w
5 .0 ± 0 .1
3 .2 ± 0 .1
D o t in d ic a te s P in 3 lo c a tio n
Electrical Connections
Pin
1
2
3
4
Connection
I/O
GND (lid)
I/O
GND (lid)
0 .8
± 0 .1
S id e V ie w
1 .2
± 0 .1
0 .8
± 0 .1
1
1 .4
± 0 .2
B o tto m
V ie w
2
2 .4 ± 0 .2
1.7 ±0.1
1.2 ±0.1
1.2 ±0.1
4
P in s 2 a n d 4 a r e
c o n n e c te d to th e lid
D im e n s io n s a r e in m m
3
2.2 ±0.1
Dot indicates Pin 4
Footprint (mm)
Pin 3
Package Orientation in Carrier Tape
www.RFM.com E-mail: info@rfm.com
©2009-2010 by RF Monolithics, Inc.
Page 2 of 4
XTL1027 - 2/3/10
Reel Dimensions
Tape Dimensions
Notes:
1. Unless otherwise specified, tolerance on dimensions is ±0.1 mm
2. Material is black conductive polystyrene
3. 10 pitch cumulative tolerance is ±0.2 mm
www.RFM.com E-mail: info@rfm.com
©2009-2010 by RF Monolithics, Inc.
Page 3 of 4
XTL1027 - 2/3/10
Typical Reflow Profile
R a m p u p
P re h e a t
R e flo w
C o o l D o w n
3 0 0
2 5 0
T e m p e ra tu re (d e g C )
2 0 0
1 5 0
1 0 0
5 0
0
0
6 0
1 2 0
1 8 0
2 4 0
3 0 0
3 6 0
T im e (s e c o n d s )
Notes:
1. Maximum peak temperature: 265 degrees C for 8 to 12 seconds
2. Typical reflow temperature: 217 ±5 degrees C for 90 to 100 seconds
www.RFM.com E-mail: info@rfm.com
©2009-2010 by RF Monolithics, Inc.
Page 4 of 4
XTL1027 - 2/3/10
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