4 Pad Ceramic Crystal, 1.6 mm x 1.2 mm
Product Feature:
Low Cost SMD Package
Ultra-Miniature Package
Compatible with Leadfree Processing
RoHS Compliant
ILCX20 Series
Applications:
Fibre Channel
Server & Storage
Sonet /SDH
802.11 / Wifi
T1/E1,T3/E3
IoT
1.6±0.1
MARKING
(TOP VIEW)
1.2±0.1
CASE LID
Frequency
24 MHz to 60 MHz
0.50
0.40 MAX
ESR (Equivalent Series Resistance)
24.0 MHz – 40.0 MHz
40.0 MHz – 60.0 MHz
150
Ohms
Maximum
100
Ohms
Maximum
1
0.45
4*
2*
0.30
3
0.55
Shunt Capacitance
Frequency Tolerance @ 25
C
Frequency Stability over Operating
Range Temperature
Crystal Cut
Mode of Operation
Load Capacitance
Drive Level
Aging at +25
C
Operating Temperature Range
Storage Temperature Range
3.5 pF
Maximum
See Part Number Guide
See Part Number Guide
0.85
1.05
AT Cut
Fundamental
0.65
0.55
18 pF Standard
100 µWatts
Maximum
3
ppm / Year
Maximum
See Part Number Guide
-40 C to +85 C
Pin 1
Pin 2
RECOMMEND
LAND PATTERN
Pin Connections
Crystal
Internally connected to
case lid
Crystal
Pin 3
Pin 4
No Connect
DIMENSIONS IN mm
Part Number Guide
Package
Tolerance
(ppm) at
Room
Temperature
B = ±50 ppm
F = ±30 ppm
G = ±25 ppm
ILCX20 -
H = ±20 ppm
I = ±15 ppm
J = ±10 ppm*
* Not available at all frequencies
** Not available for all temperature ranges
Sample Part Number:
Stability
(ppm) over Operating
Temperature
B = ±50 ppm
F = ±30 ppm
G = ±25 ppm
H = ±20 ppm
I = ±15 ppm**
J = ±10 ppm**
ILCX20 - FB1F18 - 20.000 MHz
Mode of
Operation
Load
Capacitance
(pF)
Frequency
Operating
Temperature Range
0 = 0°C to +50°C
1 = 0°C to +70°C
2 = -10°C to +60°C
3 = -20°C to +70°C
5 = -40°C to +85°C
7 = -30°C to +80°C
9 = -10°C to +50°C
F = Fundamental
18 pF Standard
Or Specify
XX.XXXXXX MHz
(8 Digits Max.)
ILSI America Phone 775-851-8880
●
Fax 775-851-8882
●email:
e-mail@ilsiamerica.com
●
www.ilsiamerica.com
Specifications subject to change without notice
Rev 08/14/17_C
Page 1 of 2
4 Pad Ceramic Crystal, 1.6 mm x 1.2 mm
Pb Free Solder Reflow Profile:
Ts max to T
L
(Ramp-up
Rate)
Preheat
Temperature min (Ts min)
Temperature typ (Ts typ)
Temperature max (Ts max)
Time (Ts)
Ramp-up Tate (T
L
to Tp
Time Maintained Above
Temperature (T
L
)
Time (T
L)
Peak Temperature (Tp)
Time within 5ºC to Peak
Temperature (Tp)
Ramp-down Rate
Tune 25ºC to Peak
Temperature
ILCX20 Series
3ºC / second max
150ºC
175ºC
200ºC
60 to180 seconds
3ºC / second max
217ºC
60 to 150 seconds
260ºC max for 10 seconds
20 to 40 seconds
6ºC / second max
8 minute max
Units are backward compatible with +240ºC reflow processes
Tape and Reel Information:
Quantity per
Reel
A
B
C
D
E
F
Environmental Specifications:
Thermal Shock
Moisture Resistance
Mechanical Shock
Mechanical Vibration
Resistance to Soldering Heat
Hazardous Substance
Solderability
Gross Leak
Fine Leak
Solvent Resistance
MIL-STD-883, Method 1011, Condition A
MIL-STD-883, Method 1004
MIL-STD-883, Method 2002, Condition B
MIL-STD-883, Method 2007, Condition A
J-STD-020C, Table 5-2 Pb-free devices (except 2 cycles max)
Pb-Free / RoHS / Green Compliant
JESD22-B102-D Method 2 (Preconditioning E)
MIL-STD-883, Method 1014, Condition C
MIL-STD-883, Method 1014, Condition A2, R1=2x10-8 atm cc/s
MIL-STD-202, Method 215
3000
8.0 ±0.3
4.0 ±0.2
3.5 ±0.2
9.0±1.0
60 / 80
180
Typical Application:
Package Information:
MSL = 1
Termination = e4 (Au over Ni over W base metal).
Rf
Rlimit
XTAL
C1
C2
Marking:
Line 1: I-Date Code (yww)
ILSI America Phone 775-851-8880
●
Fax 775-851-8882
●email:
e-mail@ilsiamerica.com
●
www.ilsiamerica.com
Specifications subject to change without notice
Rev 08/14/17_C
Page 2 of 2
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