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 (TWD) 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 25.000 MHz 18 pF ECX-1637B2 +/-10/15ppm -40 - +85C +/-2 ppm Aging 2016 4-SMD RoHS
Datasheet
2,243In Stock
2,000Expected 9/3/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

25 MHz 18 pF 10 PPM 15 PPM - 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 25.000 MHz 6 pF ECX-1637B2 +/-25/30ppm -30 - +85C +/-2 ppm Aging 2016 4-SMD RoHS
Datasheet
1,804In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

25 MHz 6 pF 25 PPM 30 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 26.000 MHz 6 pF ECX-1637B2 +/-10/10ppm -30 - +85C +/-2 ppm Aging 2016 4-SMD RoHS
Datasheet
3,829In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

26 MHz 6 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 27.120 MHz 10 pF ECX-1637B2 +/-25/30ppm -30 - +85C +/-2 ppm Aging 2016 4-SMD RoHS
Datasheet
1,036In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

27.12 MHz 10 pF 25 PPM 30 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 12pF ECX-1637B +/-10/15 ppm -30 - +85C +/-1 ppm Aging 2016 4-SMD RoHS
Datasheet
948In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

32 MHz 12 pF 10 PPM 15 PPM 2 mm x 1.6 mm - 30 C + 85 C SMD/SMT 100 uW 2 mm 1.6 mm 0.45 mm ECX-1637B Reel, Cut Tape, MouseReel
ECS Crystals 32.000 MHz 8 pF ECX-1637B2 +/-20/20ppm -30 - +85C +/-2 ppm Aging 2016 4-SMD RoHS
Datasheet
2,922In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

32 MHz 8 pF 20 PPM 20 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 37.400 MHz 12pF ECX-1637B +/-10/10 ppm -30 - +85C +/-1 ppm Aging 2016 4-SMD RoHS
Datasheet
782In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

37.4 MHz 12 pF 10 PPM 10 PPM SMD-4 - 30 C + 85 C SMD/SMT 100 uW 2 mm 1.6 mm 0.45 mm ECX-1637B Reel, Cut Tape, MouseReel
ECS Crystals 38.400 MHz 10pF ECX-1637B +/-10/10 ppm -20 - +70C +/-2 ppm Aging 2016 4-SMD RoHS
Datasheet
2,977In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

38.4 MHz 10 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 38.400 MHz 10 pF ECX-1637B2 +/-10/20ppm -40 - +105C +/-2 ppm Aging 2016 4-SMD RoHS
Datasheet
4,196In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

38.4 MHz 10 pF 10 PPM 20 PPM 2 mm x 1.6 mm - 40 C + 105 C SMD/SMT 50 Ohms 100 uW 2 mm 1.6 mm 0.45 mm ECX-1637B2 Reel, Cut Tape, MouseReel
ECS Crystals 38.400 MHz 10pF ECX-1637B +/-10/20 ppm -40 - +105C +/-1 ppm Aging 2016 4-SMD RoHS
Datasheet
2,856In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

38.4 MHz 10 pF 10 PPM 20 PPM 2 mm x 1.6 mm - 40 C + 105 C SMD/SMT 100 uW 2 mm 1.6 mm 0.45 mm ECX-1637B Reel, Cut Tape, MouseReel
ECS Crystals 38.400 MHz 8pF ECX-1637B +/-10/15 ppm -30 - +85C +/-1 ppm Aging 2016 4-SMD RoHS
Datasheet
3,000In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

38.4 MHz 8 pF 10 PPM 15 PPM 2 mm x 1.6 mm - 30 C + 85 C SMD/SMT 100 uW 2 mm 1.6 mm 0.45 mm ECX-1637B Reel, Cut Tape, MouseReel
ECS Crystals 38.400 MHz 8pF ECX-1637B +/-10/20 ppm -20 - +70C +/-2 ppm Aging 2016 4-SMD RoHS
Datasheet
3,000In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

38.4 MHz 8 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 39.000 MHz 10 pF ECX-1637B +/-10/10 ppm -20 - +70C +/-3 ppm Aging 2016 RoHS
Datasheet
2,582In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

39 MHz 10 pF 10 PPM 10 PPM 2 mm x 1.6 mm - 20 C + 70 C SMD/SMT 100 uW 2 mm 1.6 mm 0.45 mm ECX-1637B Reel, Cut Tape, MouseReel
ECS Crystals 48.000 MHz 12pF ECX-1637B +/-10/15 ppm -30 - +85C +/-1 ppm Aging 2016 4-SMD RoHS
Datasheet
2,696In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

48 MHz 12 pF 10 PPM 15 PPM 2 mm x 1.6 mm - 30 C + 85 C SMD/SMT 100 uW 2 mm 1.6 mm 0.45 mm ECX-1637B 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
1,022In Stock
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 52.000 MHz 12pF ECX-1637B +/-10/20 ppm -40 - +85C +/-1 ppm Aging 2016 4-SMD RoHS
Datasheet
674In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

52 MHz 12 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 60.000 MHz 8pF ECX-1637B +/-10/20 ppm -40 - +85C +/-1 ppm Aging 2016 4-SMD RoHS
Datasheet
968In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

60 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 80.000 MHz 8pF ECX-1637B +/-20/30 ppm -40 - +85C +/-1 ppm Aging 2016 4-SMD RoHS
Datasheet
619In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

80 MHz 8 pF 20 PPM 30 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 96.000 MHz 8pF ECX-1637B +/-10/20 ppm -40 - +85C +/-1 ppm Aging 2016 4-SMD RoHS
Datasheet
750In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

96 MHz 8 pF 10 PPM 20 PPM SMD-4 - 40 C + 85 C SMD/SMT 25 mOhms 100 uW 2 mm 1.6 mm 0.45 mm ECX-1637B Reel, Cut Tape, MouseReel
ECS Crystals 38.400 MHz 10 pF ECX-1637B2 +/-10/15ppm -40 - +85C +/-2 ppm Aging 2016 4-SMD RoHS
Datasheet
1,755In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

38.4 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 32.000 MHz 8 pF ECX-1637B +/-10/15ppm -40 - +85C +/-1 ppm Aging 2016 4-SMD RoHS
Datasheet
1,587In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

32 MHz 8 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-1637B Reel, Cut Tape, MouseReel
ECS Crystals CRYSTAL 25 MHZ 8PF SMD
Datasheet
3,746In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

25 MHz 8 pF 10 PPM 20 PPM 2 mm x 1.6 mm - 40 C + 85 C SMD/SMT 100 uW 2 mm 1.6 mm 0.45 mm ECX-1637B2 Reel, Cut Tape, MouseReel
ECS Crystals CRYSTAL 32 MHZ 7PF SMD
Datasheet
2,957In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

32 MHz 7 pF 10 PPM 20 PPM 2 mm x 1.6 mm - 40 C + 85 C SMD/SMT 100 uW 2 mm 1.6 mm 0.45 mm ECX-1637B2 Reel, Cut Tape, MouseReel
ECS Crystals 48.000 MHz 8pF ECX-1637B2 +/-10/20 ppm -40 - +85C +/-2 ppm Aging 2016 4-SMD RoHS
Datasheet
2,723In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

48 MHz 7 pF 10 PPM 20 PPM 2 mm x 1.6 mm - 40 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 48.000 MHz 8pF ECX-1637B +/-10/50 ppm -40 - +125C +/-2 ppm Aging 2016 4-SMD RoHS
Datasheet
2,928In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

48 MHz 8 pF 10 PPM 50 PPM 2 mm x 1.6 mm - 40 C + 125 C SMD/SMT 40 Ohms 100 uW 2 mm 1.6 mm 0.45 mm ECX-1637B Reel, Cut Tape, MouseReel