Crystals – Mouser South Africa

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ECX-1637B2 SMD Crystals

ECS ECX-1637B2 SMD Crystals offer low first-year aging of ±2ppm and come in a compact 2.0mm x 1.6mm x 0.45mm ceramic package. These crystals feature a 16MHz to 50MHz frequency range and operate in a -30°C to +85°C temperature range with an extended temperature range available. ECS ECX-1637B2 SMD Crystals are ideal for use in wireless applications

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Part #

Crystals ESR 50,FREQ 26,STABILITY 10ppm,TOLERANCE 10ppm,CL 12pF,AGING 2 ppm ,-20 C 70 C,10uW in typical (Max 100uW),2.00mm x 1.60mm

ECS-260-12-37B2-CKM-TR
ECS
1: $0.39
237In Stock
6,000Expected 2026/09/14

Mfr. Part No.
ECS-260-12-37B2-CKM-TR

Mouser Part No
520-260-12-37B2CKMTR

ECS

Crystals ESR 50,FREQ 26,STABILITY 10ppm,TOLERANCE 10ppm,CL 12pF,AGING 2 ppm ,-20 C 70 C,10uW in typical (Max 100uW),2.00mm x 1.60mm

Learn More

Datasheet

237In Stock

6,000Expected 2026/09/14

Cut Tape

$0.39

$0.343

$0.311

$0.299

Reel

$0.257

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

26 MHz

12 pF

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

Crystals 27.120 MHz 6 pF ECX-1637B2 +/-25/30ppm -30 - +85C +/-2 ppm Aging 2016 4-SMD RoHS

ECS-271.2-6-37B2-AGY-TR
ECS
1: $0.29
905In Stock

Mfr. Part No.
ECS-271.2-6-37B2-AGY-TR

Mouser Part No
520-271.2-637B2AGYTR

ECS

Crystals 27.120 MHz 6 pF ECX-1637B2 +/-25/30ppm -30 - +85C +/-2 ppm Aging 2016 4-SMD RoHS

Learn More

Datasheet

905In Stock

Cut Tape

$0.29

$0.254

$0.231

$0.221

Reel

$0.166

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

27.12 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

Crystals 32.000 MHz 10 pF 10 10 -30 +85 C 2 ppm Max. ESR = 50

ECS-320-10-37B2-CKY-TR
ECS
1: $0.35
3,568In Stock
3,000Expected 2026/09/04

Mfr. Part No.
ECS-320-10-37B2-CKY-TR

Mouser Part No
520-320-10-37B2CKYTR

ECS

Crystals 32.000 MHz 10 pF 10 10 -30 +85 C 2 ppm Max. ESR = 50

Learn More

Datasheet

3,568In Stock

3,000Expected 2026/09/04

Cut Tape

$0.35

$0.308

$0.279

$0.267

Reel

$0.257

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

32 MHz

10 pF

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

Crystals 32.000 MHz 10 pF 10 15 -40 +85 C 2 ppm Max. ESR = 50

ECS-320-10-37B2-CWN-TR
ECS
1: $0.40
1,639In Stock
3,000Expected 2026/09/01

Mfr. Part No.
ECS-320-10-37B2-CWN-TR

Mouser Part No
520-320-10-37B2CWNTR

ECS

Crystals 32.000 MHz 10 pF 10 15 -40 +85 C 2 ppm Max. ESR = 50

Learn More

Datasheet

1,639In Stock

3,000Expected 2026/09/01

Cut Tape

$0.40

$0.347

$0.315

$0.302

Reel

$0.245

View

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

Crystals 32.000 MHz 12 pF 7 10 -20 +70 C 2 ppm Max. ESR = 50

ECS-320-12-37B2-7KM-TR
ECS
1: $0.35
1,099In Stock

Mfr. Part No.
ECS-320-12-37B2-7KM-TR

Mouser Part No
520-320-12-37B27KMTR

ECS

Crystals 32.000 MHz 12 pF 7 10 -20 +70 C 2 ppm Max. ESR = 50

Learn More

Datasheet

1,099In Stock

Cut Tape

$0.35

$0.301

$0.273

$0.262

Reel

$0.24

View

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

Crystals ESR 50,FREQ 32,STABILITY 10ppm,TOLERANCE 10ppm,CL 6pF,AGING 2 ppm ,-20 C 70 C,10uW in typical (Max 100uW),2.00mm x 1.60mm

ECS-320-6-37B2-CKM-TR
ECS
1: $0.39
2,728In Stock

Mfr. Part No.
ECS-320-6-37B2-CKM-TR

Mouser Part No
520-320-6-37B2-CKMTR

ECS

Crystals ESR 50,FREQ 32,STABILITY 10ppm,TOLERANCE 10ppm,CL 6pF,AGING 2 ppm ,-20 C 70 C,10uW in typical (Max 100uW),2.00mm x 1.60mm

Learn More

Datasheet

2,728In Stock

Cut Tape

$0.39

$0.341

$0.309

$0.297

Reel

$0.254

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

32 MHz

6 pF

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

Crystals ESR 50,FREQ 32,STABILITY 20ppm,TOLERANCE 20ppm,CL 6pF,AGING 2 ppm ,-40 C 85 C,10uW in typical (Max 100uW),2.00mm x 1.60mm

ECS-320-6-37B2-JTN-TR
ECS
1: $0.38
2,752In Stock

Mfr. Part No.
ECS-320-6-37B2-JTN-TR

Mouser Part No
520-320-6-37B2-JTNTR

ECS

Crystals ESR 50,FREQ 32,STABILITY 20ppm,TOLERANCE 20ppm,CL 6pF,AGING 2 ppm ,-40 C 85 C,10uW in typical (Max 100uW),2.00mm x 1.60mm

Learn More

Datasheet

2,752In Stock

Cut Tape

$0.38

$0.328

$0.298

$0.285

Reel

$0.231

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

32 MHz

6 pF

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

Crystals 32.000 MHz 8 pF 10 10 -20 +70 C 2 ppm Max. ESR = 50

ECS-320-8-37B2-CKM-TR
ECS
1: $0.35
4,993In Stock

Mfr. Part No.
ECS-320-8-37B2-CKM-TR

Mouser Part No
520-320-8-37B2-CKMTR

ECS

Crystals 32.000 MHz 8 pF 10 10 -20 +70 C 2 ppm Max. ESR = 50

Learn More

Datasheet

4,993In Stock

Cut Tape

$0.35

$0.301

$0.273

$0.262

Reel

$0.215

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

32 MHz

8 pF

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

Crystals ESR 50,FREQ 32,STABILITY 15ppm,TOLERANCE 10ppm,CL 8pF,AGING 2 ppm ,-30 +85 C,10uW in typical (Max 100uW),2.00mm x 1.60mm

ECS-320-8-37B2-CWY-TR
ECS
1: $0.45
64In Stock
6,000Expected 2026/12/30

Mfr. Part No.
ECS-320-8-37B2-CWY-TR

Mouser Part No
520-320-8-37B2-CWYTR

ECS

Crystals ESR 50,FREQ 32,STABILITY 15ppm,TOLERANCE 10ppm,CL 8pF,AGING 2 ppm ,-30 +85 C,10uW in typical (Max 100uW),2.00mm x 1.60mm

Learn More

Datasheet

64In Stock

6,000Expected 2026/12/30

Cut Tape

$0.45

$0.385

$0.366

$0.317

Reel

$0.247

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

32 MHz

8 pF

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

Crystals 40.000 MHz 10 pF 10 10 -20 +70 C 2 ppm Max. ESR = 40

ECS-400-10-37B2-CKM-TR
ECS
1: $0.361
7,029In Stock

Mfr. Part No.
ECS-400-10-37B2-CKM-TR

Mouser Part No
520-400-10-37B2CKMTR

ECS

Crystals 40.000 MHz 10 pF 10 10 -20 +70 C 2 ppm Max. ESR = 40

Learn More

Datasheet

7,029In Stock

Cut Tape

$0.361

$0.311

$0.283

$0.271

Reel

$0.219

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

40 MHz

10 pF

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

Crystals 40.000 MHz 10 pF 10 10 -30 +85 C 2 ppm Max. ESR = 40

ECS-400-10-37B2-CKY-TR
ECS
1: $0.361
2,286In Stock
24,000Expected 2027/01/19

Mfr. Part No.
ECS-400-10-37B2-CKY-TR

Mouser Part No
520-400-10-37B2CKYTR

ECS

Crystals 40.000 MHz 10 pF 10 10 -30 +85 C 2 ppm Max. ESR = 40

Learn More

Datasheet

2,286In Stock

24,000Expected 2027/01/19

Cut Tape

$0.361

$0.312

$0.284

$0.272

View

Reel

$0.209

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

40 MHz

10 pF

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

Crystals ESR 40,FREQ 40,STABILITY 15ppm,TOLERANCE 10ppm,CL 8pF,AGING 2 ppm ,-30 +85 C,10uW in typical (Max 100uW),2.00mm x 1.60mm

ECS-400-8-37B2-CWY-TR
ECS
1: $0.45
1,801In Stock
3,000Expected 2026/09/04

Mfr. Part No.
ECS-400-8-37B2-CWY-TR

Mouser Part No
520-400-8-37B2-CWYTR

ECS

Crystals ESR 40,FREQ 40,STABILITY 15ppm,TOLERANCE 10ppm,CL 8pF,AGING 2 ppm ,-30 +85 C,10uW in typical (Max 100uW),2.00mm x 1.60mm

Learn More

Datasheet

1,801In Stock

3,000Expected 2026/09/04

Cut Tape

$0.45

$0.385

$0.366

$0.333

Reel

$0.266

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

40 MHz

8 pF

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

Crystals 32.000 MHz 10 pF ECX-1637B2 +/-10/15ppm -40 +85C 2016 4-SMD RoHS 50O Ohms

ECS-320-CDX-2291
ECS
1: $0.44
5,901In Stock

Mfr. Part No.
ECS-320-CDX-2291

Mouser Part No
520-ECS-320-CDX-2291

ECS

Crystals 32.000 MHz 10 pF ECX-1637B2 +/-10/15ppm -40 +85C 2016 4-SMD RoHS 50O Ohms

Learn More

Datasheet

5,901In Stock

Cut Tape

$0.44

$0.385

$0.35

$0.335

Reel

$0.284

View

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

Crystals 24.000 MHz 6 pF ECX-1637B2 +/-10/20ppm -40 - +105C +/-2 ppm Aging 2016 4-SMD RoHS

ECS-240-6-37B2-CTP-TR
ECS
1: $0.28
3,000Expected 2026/12/29
New Product

Mfr. Part No.
ECS-240-6-37B2-CTP-TR

Mouser Part No
520-240-6-37B2-CTPTR

New Product

ECS

Crystals 24.000 MHz 6 pF ECX-1637B2 +/-10/20ppm -40 - +105C +/-2 ppm Aging 2016 4-SMD RoHS

Learn More

Datasheet

3,000Expected 2026/12/29

Cut Tape

$0.28

$0.247

$0.224

$0.215

Reel

$0.174

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

24 MHz

6 pF

10 ppm

20 ppm

ECX-1637B2

- 40 C

+ 105 C

SMD/SMT

100 uW

2 mm

1.6 mm

0.45 mm

ECX-1637B2

Reel, Cut Tape, MouseReel

Crystals 38.400 MHz 8pF ECX-1637B +/-10/10 ppm -20 - +70C +/-2 ppm Aging 2016 4-SMD RoHS

ECS-384-8-37B2-CKM-TR
ECS
1: $0.42
3,000Expected 2026/09/14

Mfr. Part No.
ECS-384-8-37B2-CKM-TR

Mouser Part No
520-384-8-37B2-CKMTR

ECS

Crystals 38.400 MHz 8pF ECX-1637B +/-10/10 ppm -20 - +70C +/-2 ppm Aging 2016 4-SMD RoHS

Learn More

Datasheet

3,000Expected 2026/09/14

Cut Tape

$0.42

$0.364

$0.33

$0.317

Reel

$0.245

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

38.4 MHz

8 pF

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

Crystals 16 MHz crystal, 10pF 10ppm 15ppm , -40C - 85C ECX-1637B2

ECS-160-10-37B2-CWN-TR
ECS
1: $0.35
3,000Expected 2026/09/10
New Product

Mfr. Part No.
ECS-160-10-37B2-CWN-TR

Mouser Part No
520-EC1601037B2CWNTR

New Product

ECS

Crystals 16 MHz crystal, 10pF 10ppm 15ppm , -40C - 85C ECX-1637B2

Learn More

Datasheet

3,000Expected 2026/09/10

Cut Tape

$0.35

$0.304

$0.29

$0.262

Reel

$0.211

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

16 MHz

10 pF

10 PPM

15 PPM

- 40 C

+ 85 C

SMD/SMT

150 Ohms

100 uW

2 mm

1.6 mm

0.45 mm

ECX-1637B2

Reel, Cut Tape, MouseReel

Crystals 16 MHz crystal, 12pF 10ppm 20ppm , -40C - 85C ECX-1637B2

ECS-160-12-37B2-CTN-TR
ECS
1: $0.35
3,000Expected 2026/09/10
New Product

Mfr. Part No.
ECS-160-12-37B2-CTN-TR

Mouser Part No
520-EC1601237B2CTNTR

New Product

ECS

Crystals 16 MHz crystal, 12pF 10ppm 20ppm , -40C - 85C ECX-1637B2

Learn More

Datasheet

3,000Expected 2026/09/10

Cut Tape

$0.35

$0.304

$0.29

$0.262

Reel

$0.211

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

16 MHz

12 pF

10 PPM

20 PPM

- 40 C

+ 85 C

SMD/SMT

150 Ohms

100 uW

2 mm

1.6 mm

0.45 mm

ECX-1637B2

Reel, Cut Tape, MouseReel

Crystals 40 MHz crystal, 10pF 15ppm 20ppm , -40C - 85C ECX-1637B2

ECS-400-10-37B2-RTN-TR
ECS
1: $0.35
3,000Expected 2026/09/10
New Product

Mfr. Part No.
ECS-400-10-37B2-RTN-TR

Mouser Part No
520-EC4001037B2RTNTR

New Product

ECS

Crystals 40 MHz crystal, 10pF 15ppm 20ppm , -40C - 85C ECX-1637B2

Learn More

Datasheet

3,000Expected 2026/09/10

Cut Tape

$0.35

$0.304

$0.29

$0.262

Reel

$0.211

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

40 MHz

10 pF

15 PPM

20 PPM

- 40 C

+ 85 C

SMD/SMT

40 Ohms

100 uW

2 mm

1.6 mm

0.45 mm

ECX-1637B2

Reel, Cut Tape, MouseReel

Crystals 26 MHz crystal, 8pF 10ppm 15ppm , -40C - 85C ECX-1637B2

ECS-260-8-37B2-CWN-TR
ECS
1: $0.35
3,000Expected 2026/09/10
New Product

Mfr. Part No.
ECS-260-8-37B2-CWN-TR

Mouser Part No
520-ECS260837B2CWNTR

New Product

ECS

Crystals 26 MHz crystal, 8pF 10ppm 15ppm , -40C - 85C ECX-1637B2

Learn More

Datasheet

3,000Expected 2026/09/10

Cut Tape

$0.35

$0.304

$0.29

$0.262

Reel

$0.211

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

26 MHz

8 pF

10 PPM

15 PPM

- 40 C

+ 85 C

SMD/SMT

70 Ohms

100 uW

2 mm

1.6 mm

0.45 mm

ECX-1637B2

Reel, Cut Tape, MouseReel

Crystals 40 MHz crystal, 8pF 10ppm 15ppm , -40C - 85C ECX-1637B2

ECS-400-8-37B2-CWN-TR
ECS
1: $0.35
2,750Expected 2026/09/10
New Product

Mfr. Part No.
ECS-400-8-37B2-CWN-TR

Mouser Part No
520-ECS400837B2CWNTR

New Product

ECS

Crystals 40 MHz crystal, 8pF 10ppm 15ppm , -40C - 85C ECX-1637B2

Learn More

Datasheet

2,750Expected 2026/09/10

Cut Tape

$0.35

$0.304

$0.29

$0.262

Reel

$0.211

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

40 MHz

8 pF

10 PPM

15 PPM

- 40 C

+ 85 C

SMD/SMT

40 Ohms

100 uW

2 mm

1.6 mm

0.45 mm

ECX-1637B2

Reel, Cut Tape, MouseReel

Crystals 48 MHz crystal, 8pF 10ppm 15ppm , -40C - 85C ECX-1637B2

ECS-480-8-37B2-CWN-TR
ECS
1: $0.35
3,000Expected 2026/09/10
New Product

Mfr. Part No.
ECS-480-8-37B2-CWN-TR

Mouser Part No
520-ECS480837B2CWNTR

New Product

ECS

Crystals 48 MHz crystal, 8pF 10ppm 15ppm , -40C - 85C ECX-1637B2

Learn More

Datasheet

3,000Expected 2026/09/10

Cut Tape

$0.35

$0.304

$0.29

$0.262

Reel

$0.211

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

48 MHz

8 pF

10 PPM

15 PPM

- 40 C

+ 85 C

SMD/SMT

40 Ohms

100 uW

2 mm

1.6 mm

0.45 mm

ECX-1637B2

Reel, Cut Tape, MouseReel

Crystals 32.000 MHz 6 pF ECX-1637B2 +/-20/20ppm -30 - +85C +/-2 ppm Aging 2016 4-SMD RoHS

ECS-320-6-37B2-JTY-TR
ECS
1: $0.44
Non-Stocked Lead-Time 19 Weeks

Mfr. Part No.
ECS-320-6-37B2-JTY-TR

Mouser Part No
520-320-6-37B2-JTYTR

ECS

Crystals 32.000 MHz 6 pF ECX-1637B2 +/-20/20ppm -30 - +85C +/-2 ppm Aging 2016 4-SMD RoHS

Learn More

Datasheet

Non-Stocked Lead-Time 19 Weeks

Cut Tape

$0.44

$0.385

$0.35

$0.333

Reel

$0.249

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

32 MHz

6 pF

20 PPM

SMD-4

- 30 C

+ 85 C

SMD/SMT

50 mOhms

100 uW

2 mm

1.6 mm

0.45 mm

ECX-1637B2

Reel, Cut Tape, MouseReel

Crystals 32 MHz crystal, 10pF 10ppm 20ppm , -40C - 105C ECX-1637B2

ECS-320-10-37B2-CTP-TR
ECS
1: $0.30
3,000Expected 2027/01/06
New Product

Mfr. Part No.
ECS-320-10-37B2-CTP-TR

Mouser Part No
520-EC3201037B2CTPTR

New Product

ECS

Crystals 32 MHz crystal, 10pF 10ppm 20ppm , -40C - 105C ECX-1637B2

Datasheet

3,000Expected 2027/01/06

Cut Tape

$0.30

$0.265

$0.251

$0.228

Reel

$0.183

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

32 MHz

10 pF

10 PPM

20 PPM

- 40 C

+ 105 C

SMD/SMT

50 Ohms

100 uW

2 mm

1.6 mm

0.45 mm

ECX-1637B2

Reel, Cut Tape, MouseReel

ECX-1637B2 SMD Crystals

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