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2 Lead Metal Package Crystal, 3 mm x 8 mm, 2 mm x 6 mm, 1 mm x 5 mm  
38 / 26 / 15 Series  
Product Features:  
Small Package Option  
Compatible with Leadfree Processing  
Low Cost  
Applications:  
Real Time Clocks  
Metering  
Industrial Control  
Time Reference  
30 KHz to 192.000 KHz (15 package only available at  
32.768 KHz)  
Frequency  
ESR (Equivalent Series Resistance)  
30 KHz – 31.9 KHz  
32 KHz – 39.9 KHz  
40 KHz – 59.9 KHz  
60 KHz – 99.9 KHz  
100 KHz – 192 KHz  
15 Package (32.768Khz Only) 26 Package  
38 Package  
40 K: Max.  
40 K: Max.  
35 K: Max.  
30 K: Max.  
25 K: Max.  
20 K: Max.  
30 K: Max.  
30 K: Max.  
30 K: Max.  
25 K: Max.  
20 K: Max.  
Shunt Capacitance (C0)  
0.8 pF to 1.7 pF Typical  
Frequency Tolerance @ 25q C  
r20 ppm Standard (see Part Number Guide for more options)  
Frequency Stability over  
Temperature  
Parabolic -0.034 ppm / q C2 Typical. Inflection point approx.  
27q C., See Table Below  
Crystal Cut  
X cut  
Load Capacitance  
Drive Level  
12.5 pF Standard  
1 µW Max.  
Aging  
r5 ppm Max. / Year Standard  
Temperature  
Operating  
Storage  
-40q C to +85q C Standard (see Part Number Guide for more  
options)  
-40q C to +85q C Standard  
Typical X Cut Temperature Coefficient  
0
-30  
-60  
-90  
-120  
-150  
-180  
-40 -30 -20 -10  
0
10  
20  
30  
40  
50  
60  
70  
80  
Temperature  
Part Number Guide  
Package  
Sample Part Number:  
26-HX1F12.5 – 32.768 KHz  
Stability  
Stability  
Operating  
Mode  
(overtone)  
Load Capacitance  
Frequency  
(ppm) at Room  
Temperature  
B = 50 ppm  
F = 30 ppm  
G = 25 ppm  
H = 20 ppm  
I = 15 ppm  
(ppm) over Operating  
Temperature  
Temperature Range  
(pF)  
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  
9 = -10°C to +50°C  
38 -  
(3 mm X 8 mm)  
26 -  
X = X Cut  
F = Fundamental  
12.5 pF Standard.  
- 32.768 KHz  
(2 mm X 6 mm)  
15 -  
(1 mm X 5 mm)  
J = 10 ppm  
ILSI America Phone: 775-851-8880 • Fax: 775-851-8882• e-mail: e-mail@ilsiamerica.com•www.ilsiamerica.com  
Specifications subject to change without notice  
06/09  
Page 1  
2 Lead Metal Package Crystal, 3 mm x 8 mm, 2 mm x 6 mm, 1 mm x 5 mm  
38 / 26 / 15 Series  
Pb Free Solder Reflow Profile:  
Typical Circuit:  
*Units are backward compatible with 240C reflow processes  
Package Information:  
MSL = 2a  
Termination = e1 (Sn / Cu / Ag over Ni over Kovar base metal).  
Environmental Specifications  
Thermal Shock  
Moisture Resistance  
Mechanical Shock  
Mechanical Vibration  
Resistance to Soldering  
Heat  
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)  
Hazardous Substance  
Solderability  
Pb-Free / RoHS / Green Compliant  
JESD22-B102-D Method 2 (Preconditioning E)  
MIL-STD-883, Method 2004, Test Condition D  
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  
Terminal Strength  
Gross Leak  
Fine Leak  
Solvent Resistance  
Marking  
N/A –Packaging only  
e-mail@ilsiamerica.com • www.ilsiamerica.com  
ILSI America Phone: 775-851-8880 • Fax: 775-851-8882• e-mail:
Specifications subject to change without notice  
06/09  
Page 2