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Specifications
Normal temperature Frequency Tolerance:
±10ppm
Frequency Stability:
±10ppm
Operating Temperature:
-30℃~+85℃
Load Capacitance:
8pF
Equivalent Series Resistance(ESR):
50Ω
Frequency:
32MHz
Mfr. Part #:
ECS-320-8-37B-CKY-TR
Package:
SMD2016-4P
Key Attributes
Model Number:
ECS-320-8-37B-CKY-TR
Product Description
ECX-1637B SMD Crystal
The sub-miniature ECX-1637B is a very compact Surface Mount Device (SMD) crystal. Its 2.0 x 1.6 x 0.45 mm ceramic package makes it ideal for wireless applications. Key advantages include low 1st-year aging of 1 ppm maximum and an optional extended temperature range.
Product Attributes
- Brand: ECS
- Certifications: RoHS Compliant
Technical Specifications
| Parameter | Conditions | Units | Min | Typ | Max |
| Frequency | MHz | 16.000 | 96.000 | ||
| Mode of Oscillation | Fundamental | ||||
| Frequency Tolerance* @ +25C | (C option) | ppm | 10 | ||
| Frequency Stability* | -30 ~ +85C (KY option) | ppm | 10 | ||
| Shunt Capacitance | Co | pF | 3 | ||
| Load Capacitance | Specify in P/N | pF | 8 | ||
| Drive Level | DL | W | 100 | ||
| Operating Temperature* | Topr (Y option) | C | -30 | +85 | |
| Storage Temperature | Tstg | C | -55 | +125 | |
| Aging (First Year) | @ +25C 3C | ppm | 1 | ||
| ESR | 16.000 ~ 19.999 MHz | 150 | |||
| ESR | 20.000 ~ 23.999 MHz | 70 | |||
| ESR | 24.000 ~ 39.999 MHz | 50 | |||
| ESR | 40.000 ~ 81.999 MHz | 40 | |||
| ESR | 82.000 ~ 96.000 MHz | 25 |
Part Numbering Guide
Example: ECS-240-8-37B-CKY-TR
240 = 24.000 MHz
8 = 8 pF
S=Series
-37B = ECX-1637B
C = 10 ppm (Tolerance)
K = 10 ppm (Stability)
Y = -30 ~ +85 C (Temp Range)
TR = 1K Qty/Reel
Pad Connections
- 1: In/Out
- 2: Gnd
- 3: Out/In
- 4: Gnd
Dimensions (mm)
Figure 1) Top, Side, and Bottom Crystal is symmetrical, pad 1 & 3 are interchangeable. Chamfer on the bottom pad has no electrical significance.
Solder Profile
- Peak Solder Temp: +260C Max
- Duration: 10 sec Max.
- Cycles: 2 Cycles Max.
- MSL: 1
- Lead Finish: Au
Pocket Tape Dimensions (mm)
Figure 2) Suggested land
2410311148_ECS-ECS-320-8-37B-CKY-TR_C2636238.pdf
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