ECS-3518/3525 SMD Clock Oscillator ECS-3518 (1.8V) and ECS-3525 (2.5V) subminiature SMD oscillators, ideal for today’s high density applications. Request a Sample OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS ECS-3518/3 525 ECS-3518 (+1.8V) ECS-3525 (+2.5V) Parameters Conditions Units MIN TYP MAX MIN TYP MAX Frequency Range 1.544 125.00 1.544 125.00 MHz Operating Standard 0 +70 0 +70 °C Temperature Extended (N Option) -40 +85 -40 +85 °C Storage Temperature -55 +125 -55 +125 °C Supply Voltage VDD +1.62 +1.8 +1.98 +2.25 +2.5 +2.75 VDC Option A ±100 ±100 PPM Frequency Stability* Option B ±50 ±50 PPM Option C ±25 ±25 PPM • 1.8V or 2.5V Versions 1.544 ~ 9.999 MHz 6 7 mA • 3.2 x 5.0 mm Footprint • Extended Temp Range Input Current 10.000 ~ 34.999 MHz 7 8 mA Option 35.000 ~ 49.999 MHz 15 20 mA • PbFree/RoHS Compliant 50.000 ~ 125.000 MHz 25 30 mA @50% VCC Level 40/60 40/60 % Output Symmetry @50% VCC Level 45/55 45/55 % (T Option) Rise and Fall Times 10% VDD to 90% Level 5 6 ns “0” Level VOL VCC *10% VCC *10% VDC “1” Level VOH VCC *90% VCC *90% VDC Output Load HCMOS 30 30 pF Startup Time 10 10 ms * Note: Inclusive of 25°C tolerance, operating temperature, range, input voltage change, load change, shock, aging and vibration. Part Numbering Guide: ECS-3525-200-AN-TR ECS - Series - Frequency Abbreviations - Stability - Temperature - Output Symmetry - Packaging ECS 3518 = +1.8V 200 = 20 MHz A = ±100 ppm Blank = -0 ~ 70°C Blank = 40/60 STD TR = Tape & Reel 3525 = +2.5V B = ±50 ppm M = -20 ~ +70°C T = 45/55 1K/Reel C = ±25 ppm N = -40 ~ +85°C 15351 West 109th Street | Lenexa, KS 66219 | Phone: 913.782.7787 | Fax: 913.782.6991 | www.ecsxtal.com

ECS-3518/3525 SMD Clock Oscillator Package Dimensions (mm) Figure 2) Land Pattern Figure 1) Top, Side, and Bottom views Pad Connections Tri-State Control Voltage #1 Tri-State Pad 1 Pad 3 #2 Ground Open Oscillation #3 Output 1 Level Oscillation #4 VCC 0 Level High Impedance Figure 3) Suggested Reflow Profile 15351 West 109th Street | Lenexa, KS 66219 | Phone: 913.782.7787 | Fax: 913.782.6991 | www.ecsxtal.com

ECS-3518/3525 SMD Clock Oscillator Tape Dimensions (mm) Package Data Item Description Lid Metal Base Ceramic Sealing Seam Weld Terminal Tungsten (Metalized) Gold/Nickel Plating (Surface)/(Under) RoHS Compliant (PbFree) MSL 1 Figure 4) Pocket Tape Dimensions 15351 West 109th Street | Lenexa, KS 66219 | Phone: 913.782.7787 | Fax: 913.782.6991 | www.ecsxtal.com