ECX-1637B SMD Crystals

ECS ECX-1637B SMD Crystals are available in a subminiature ceramic package measuring 2.0mm x 1.6mm x 0.45mm. These crystals feature low first-year aging of ±1ppm or ±2ppm maximum, a 16MHz to 96MHz frequency range, and 3pF shunt capacitance. This series is RoHS compliant and offers extended temperature range options. ECS ECX-1637B SMD Crystals are ideal for wireless applications, including the Internet of Things (IoT), medical, Wi-Fi®, and BLUETOOTH®.

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Description Datasheet Availability Pricing (CRC) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Frequency
Load Capacitance
Tolerance
Frequency Stability
Package / Case
Minimum Operating Temperature
Maximum Operating Temperature
Termination Style
ESR
Drive Level
Length
Width
Height
Series
Packaging
ECS Crystals 24.000 MHz 8 pF 10 10 -20 - +70C 2 ppm Max. ESR = 50
Datasheet
4 939In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

24 MHz 8 pF 10 PPM 10 PPM 2 mm x 1.6 mm - 20 C + 70 C SMD/SMT 50 Ohms 100 uW 2 mm 1.6 mm 0.45 mm ECX-1637B2 Reel, Cut Tape, MouseReel
ECS Crystals 25.000 MHz 10 pF 10 20 -40 - +85C 2 ppm Max. ESR = 50
Datasheet
4 142In Stock
9 000Expected 11/23/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

25 MHz 10 pF 10 PPM 20 PPM 2 mm x 1.6 mm - 40 C + 85 C SMD/SMT 50 Ohms 100 uW 2 mm 1.6 mm 0.45 mm ECX-1637B2 Reel, Cut Tape, MouseReel
ECS Crystals ESR 50,FREQ 25,STABILITY 20ppm,TOLERANCE 20ppm,CL 10pF,AGING 2 ppm ,-40C - 85C,10uW in typical (Max 100uW),2.00mm x 1.60mm
Datasheet
4 161In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

25 MHz 10 pF 20 PPM 20 PPM 2 mm x 1.6 mm - 40 C + 85 C SMD/SMT 50 Ohms 100 uW 2 mm 1.6 mm 0.45 mm ECX-1637B2 Reel, Cut Tape, MouseReel
ECS Crystals ESR 50,FREQ 25,STABILITY 20ppm,TOLERANCE 20ppm,CL 18pF,AGING 2 ppm ,-40C - 85C,10uW in typical (Max 100uW),2.00mm x 1.60mm
Datasheet
4 737In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

25 MHz 18 pF 20 PPM 20 PPM 2 mm x 1.6 mm - 40 C + 85 C SMD/SMT 50 Ohms 100 uW 2 mm 1.6 mm 0.45 mm ECX-1637B2 Reel, Cut Tape, MouseReel
ECS Crystals ESR 50,FREQ 25,STABILITY 15ppm,TOLERANCE 15ppm,CL 8pF,AGING 2 ppm ,-30 - +85C,10uW in typical (Max 100uW),2.00mm x 1.60mm
Datasheet
4 503In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

25 MHz 8 pF 15 PPM 15 PPM 2 mm x 1.6 mm - 30 C + 85 C SMD/SMT 50 Ohms 100 uW 2 mm 1.6 mm 0.45 mm ECX-1637B2 Reel, Cut Tape, MouseReel
ECS Crystals ESR 50,FREQ 25,STABILITY 10ppm,TOLERANCE 10ppm,CL 9pF,AGING 2 ppm ,-20C - 70C,10uW in typical (Max 100uW),2.00mm x 1.60mm
Datasheet
3 001In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

25 MHz 9 pF 10 PPM 10 PPM 2 mm x 1.6 mm - 20 C + 70 C SMD/SMT 50 Ohms 100 uW 2 mm 1.6 mm 0.45 mm ECX-1637B2 Reel, Cut Tape, MouseReel
ECS Crystals 26MHz ESR 50 12pF-30C +85C
Datasheet
859In Stock
6 000Expected 8/25/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1 000

26 MHz 12 pF 10 PPM 10 PPM 2 mm x 1.6 mm - 30 C + 85 C SMD/SMT 50 Ohms 100 uW 2 mm 1.6 mm 0.45 mm ECX-1637B Reel, Cut Tape, MouseReel
ECS Crystals ESR 50,FREQ 26,STABILITY 10ppm,TOLERANCE 10ppm,CL 12pF,AGING 2 ppm ,-20C - 70C,10uW in typical (Max 100uW),2.00mm x 1.60mm
Datasheet
262In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

26 MHz 12 pF 10 PPM 10 PPM 2 mm x 1.6 mm - 20 C + 70 C SMD/SMT 50 Ohms 100 uW 2 mm 1.6 mm 0.45 mm ECX-1637B2 Reel, Cut Tape, MouseReel
ECS Crystals 32.000 MHz 10 pF 10 10 -30 - +85C 2 ppm Max. ESR = 50
Datasheet
3 568In Stock
3 000Expected 9/22/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

32 MHz 10 pF 10 PPM 10 PPM 2 mm x 1.6 mm - 30 C + 85 C SMD/SMT 50 Ohms 100 uW 2 mm 1.6 mm 0.45 mm ECX-1637B2 Reel, Cut Tape, MouseReel
ECS Crystals 32.000 MHz 10 pF 10 15 -40 - +85C 2 ppm Max. ESR = 50
Datasheet
1 639In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

32 MHz 10 pF 10 PPM 15 PPM 2 mm x 1.6 mm - 40 C + 85 C SMD/SMT 50 Ohms 100 uW 2 mm 1.6 mm 0.45 mm ECX-1637B2 Reel, Cut Tape, MouseReel
ECS Crystals 32MHz 12pF 60 ohms -20C to 70C 7ppm
Datasheet
1 780In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1 000

32 MHz 12 pF 7 PPM 10 PPM 2 mm x 1.6 mm - 20 C + 70 C SMD/SMT 50 Ohms 100 uW 2 mm 1.6 mm 0.45 mm ECX-1637B Reel, Cut Tape, MouseReel
ECS Crystals 32.000 MHz 12 pF 7 10 -20 - +70C 2 ppm Max. ESR = 50
Datasheet
1 099In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

32 MHz 12 pF 7 PPM 10 PPM 2 mm x 1.6 mm - 20 C + 70 C SMD/SMT 50 Ohms 100 uW 2 mm 1.6 mm 0.45 mm ECX-1637B2 Reel, Cut Tape, MouseReel
ECS Crystals ESR 50,FREQ 32,STABILITY 10ppm,TOLERANCE 10ppm,CL 12pF,AGING 2 ppm ,-20C - 70C,10uW in typical (Max 100uW),2.00mm x 1.60mm
Datasheet
4 041In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

32 MHz 12 pF 10 PPM 10 PPM 2 mm x 1.6 mm - 20 C + 70 C SMD/SMT 50 Ohms 100 uW 2 mm 1.6 mm 0.45 mm ECX-1637B2 Reel, Cut Tape, MouseReel
ECS Crystals ESR 50,FREQ 32,STABILITY 10ppm,TOLERANCE 10ppm,CL 6pF,AGING 2 ppm ,-20C - 70C,10uW in typical (Max 100uW),2.00mm x 1.60mm
Datasheet
2 728In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

32 MHz 6 pF 10 PPM 10 PPM 2 mm x 1.6 mm - 20 C + 70 C SMD/SMT 50 Ohms 100 uW 2 mm 1.6 mm 0.45 mm ECX-1637B2 Reel, Cut Tape, MouseReel
ECS Crystals ESR 50,FREQ 32,STABILITY 20ppm,TOLERANCE 20ppm,CL 6pF,AGING 2 ppm ,-40C - 85C,10uW in typical (Max 100uW),2.00mm x 1.60mm
Datasheet
2 752In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

32 MHz 6 pF 20 PPM 20 PPM 2 mm x 1.6 mm - 40 C + 85 C SMD/SMT 50 Ohms 100 uW 2 mm 1.6 mm 0.45 mm ECX-1637B2 Reel, Cut Tape, MouseReel
ECS Crystals ESR 50,FREQ 32,STABILITY 15ppm,TOLERANCE 10ppm,CL 8pF,AGING 2 ppm ,-30 - +85C,10uW in typical (Max 100uW),2.00mm x 1.60mm
Datasheet
3 064In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

32 MHz 8 pF 10 PPM 10 PPM 2 mm x 1.6 mm - 30 C + 85 C SMD/SMT 50 Ohms 100 uW 2 mm 1.6 mm 0.45 mm ECX-1637B2 Reel, Cut Tape, MouseReel
ECS Crystals 40MHz ESR 40 10pF-30C +85C
Datasheet
2 815In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1 000

40 MHz 10 pF 10 PPM 10 PPM 2 mm x 1.6 mm - 30 C + 85 C SMD/SMT 40 Ohms 100 uW 2 mm 1.6 mm 0.45 mm ECX-1637B Reel, Cut Tape, MouseReel
ECS Crystals 40.000 MHz 10 pF 10 10 -20 - +70C 2 ppm Max. ESR = 40
Datasheet
7 078In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

40 MHz 10 pF 10 PPM 10 PPM 2 mm x 1.6 mm - 20 C + 70 C SMD/SMT 40 Ohms 100 uW 2 mm 1.6 mm 0.45 mm ECX-1637B2 Reel, Cut Tape, MouseReel
ECS Crystals ESR 40,FREQ 40,STABILITY 15ppm,TOLERANCE 10ppm,CL 8pF,AGING 2 ppm ,-30 - +85C,10uW in typical (Max 100uW),2.00mm x 1.60mm
Datasheet
3 875In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

40 MHz 8 pF 10 PPM 10 PPM 2 mm x 1.6 mm - 30 C + 85 C SMD/SMT 40 Ohms 100 uW 2 mm 1.6 mm 0.45 mm ECX-1637B2 Reel, Cut Tape, MouseReel
ECS Crystals 50.000 MHz 8pF ECX-1637B +/-10/20 ppm -40 - +85C +/-1 ppm Aging 2016 4-SMD RoHS
Datasheet
27In Stock
1 000Expected 8/19/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1 000

50 MHz 8 pF 10 PPM 20 PPM SMD-4 - 40 C + 85 C SMD/SMT 40 mOhms 100 uW 2 mm 1.6 mm 0.45 mm ECX-1637B Reel, Cut Tape, MouseReel
ECS Crystals 16.000 MHz 12pF ECX-1637B 10/20 ppm -40 - +85C 1 ppm Aging 2016 4-SMD RoHS
Datasheet
605In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

16 MHz 12 pF 10 PPM 20 PPM SMD-4 - 40 C + 85 C SMD/SMT 150 Ohms 100 uW 2 mm 1.6 mm 0.45 mm ECX-1637B Reel, Cut Tape, MouseReel
ECS Crystals 24.000 MHz 12pF ECX-1637B 10/10 ppm -30 - +85C 2016 4-SMD RoHS
Datasheet
2 916In Stock
3 000Expected 8/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

24 MHz 12 pF 10 PPM 10 PPM SMD-4 - 30 C + 85 C SMD/SMT 50 Ohms 100 uW 2 mm 1.6 mm 0.45 mm ECX-1637B Reel, Cut Tape, MouseReel
ECS Crystals 25.000 MHz 10pF ECX-1637B 10/20 ppm -40 - +85C 1 ppm Aging 2016 4-SMD RoHS
Datasheet
2 044In Stock
9 000Expected 12/1/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

25 MHz 10 pF 10 PPM 20 PPM SMD-4 - 40 C + 85 C SMD/SMT 50 Ohms 100 uW 2 mm 1.6 mm 0.45 mm ECX-1637B Reel, Cut Tape, MouseReel
ECS Crystals 32.000 MHz 12 pF ECX-1637B 7/10ppm -20 - +70C 1 ppm Aging 2016 4-SMD RoHS
Datasheet
2 522In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

32 MHz 12 pF 7 PPM 10 PPM SMD-4 - 20 C + 70 C SMD/SMT 50 Ohms 100 uW 2 mm 1.6 mm 0.45 mm ECX-1637B Reel, Cut Tape, MouseReel
ECS Crystals 40.000 MHz 10pF ECX-1637B 10/10 ppm -30 - +85C 1 ppm Aging 2016 4-SMD RoHS
Datasheet
3 166In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

40 MHz 10 pF 10 PPM 10 PPM SMD-4 - 30 C + 85 C SMD/SMT 40 Ohms 100 uW 2 mm 1.6 mm 0.45 mm ECX-1637B Reel, Cut Tape, MouseReel