ECS-120-18-4X-CKM · Crystal 12MHz HC-49US
ECS-120-18-4X-CKM (Crystal 12MHz HC-49US from ECS Inc.) comes in a HC-49US package. Reference unit price: ¥3.456, minimum order 1 piece. Availability: In stock. Shenzhen Kewei Technology Co., Ltd. supplies this part from Huaqiangbei, Shenzhen, with tiered pricing, small-batch support and full BOM kitting. Prices and lead times are confirmed on inquiry.

| Part number | ECS-120-18-4X-CKM |
| Manufacturer | ECS Inc. |
| Description | Crystal 12MHz HC-49US |
| Package | HC-49US |
| Category | Crystals & Sensors / Crystals |
| Reference price | ¥¥3.456 |
| Min. order | 1 pcs |
| Availability | In stock |
| Reference stock | 505 pcs |
ECS-120-18-4X-CKM tiered pricing (reference)
| Quantity | Reference unit price | Lead time |
|---|---|---|
| 1 pcs and up | ¥3.456 | In stock |
| 10 pcs and up | ¥3.0384 | In stock |
| 25 pcs and up | ¥2.8714 | In stock |
| 50 pcs and up | ¥2.7518 | In stock |
| 200 pcs and up | ¥2.5294 | In stock |
| 400 pcs and up | ¥2.4248 | In stock |
| 600 pcs and up | ¥2.3657 | In stock |
| 1000 pcs and up | ¥2.2931 | In stock |
| 2600 pcs and up | ¥2.1634 | In stock |
ECS-120-18-4X-CKM specifications
| Frequency Stability | ±10ppm |
| Load Capacitance | 18pF |
| Normal temperature Frequency Tolerance | ±10ppm |
| Operating Temperature | -20℃~+70℃ |
| Equivalent Series Resistance(ESR) | 60Ω |
| Frequency | 12MHz |
About the Crystal 12MHz HC-49US
ECS Inc. 12 MHz ±10ppm Crystal 18pF 60 Ohms HC-49/US. In stock — 505 pcs available.
ECS-120-18-4X-CKM — frequently asked questions
Reference availability: 505 pcs, In stock. Stock and lead time are confirmed on inquiry — please contact our sales team for the latest status before ordering.
Reference unit price is ¥3.456, minimum order 1 piece. Tiered pricing: 1 pcs and up: ¥3.456, 10 pcs and up: ¥3.0384, 25 pcs and up: ¥2.8714, 50 pcs and up: ¥2.7518, 200 pcs and up: ¥2.5294, 400 pcs and up: ¥2.4248, 600 pcs and up: ¥2.3657, 1000 pcs and up: ¥2.2931, 2600 pcs and up: ¥2.1634. Send us your required quantity for a firm quotation.
ECS-120-18-4X-CKM is manufactured by ECS Inc. in a HC-49US package, filed under Crystals & Sensors / Crystals. ECS Inc. 12 MHz ±10ppm Crystal 18pF 60 Ohms HC-49/US. In stock — 505 pcs available.
The minimum order quantity for ECS-120-18-4X-CKM is 1 pcs. We support small-batch trial runs as well as volume kitting, and can supply full reels, cut tape or loose parts.
Yes. Send us the original part number or the key parameters (Frequency Stability, Load Capacitance, Normal temperature Frequency Tolerance) and we will come back with pin-compatible alternatives and a quotation.
Call or WeChat +86 191 2521 1182, email 19125211182@163.com, or upload your BOM on our BOM sourcing page. We normally reply with a quotation within two hours.
Yes. We are based in Huaqiangbei, Shenzhen and ship worldwide by express courier. Tell us your destination and we will quote shipping with the parts.
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