ECS Inc. ECS-SR1-4.19-B-TR
CERAMIC RES 4.1900MHZ 30PF SMD
Answer first: this page is a purchasing reference for the exact part number ECS-SR1-4.19-B-TR from ECS Inc.. Use it to start datasheet, package, manufacturer and RFQ verification; do not treat page text as a live stock, price or lead-time promise.
Key Parameters
| Part Number | ECS-SR1-4.19-B-TR |
|---|---|
| Manufacturer | ECS Inc. |
| Category | Resonators |
| package | 3-SMD, Non-Standard |
| series | ECS-SR1-B |
| packaging | Tape & Reel (TR) |
| product status | Obsolete |
| param 1 | Ceramic |
| param 2 | 4.19 MHz |
| param 3 | ±0.3% |
| param 4 | ±0.5% |
| param 5 | Built in Capacitor |
| param 6 | 30 pF |
| param 7 | - |
| param 8 | -20°C ~ 80°C |
| param 9 | Surface Mount |
| param 10 | 0.295" L x 0.130" W (7.50mm x 3.30mm) |
| param 11 | 0.087" (2.20mm) |
Parameters are provided for purchasing review. Confirm package, suffix, lifecycle status, datasheet revision and approved substitutes before ordering.
How to Verify ECS-SR1-4.19-B-TR Before Ordering
Datasheet and parameter checks
- Confirm the full manufacturer part number, not only a shortened search keyword.
- Compare package, pinout, dimensions, voltage or rating fields, temperature range and compliance wording against the released BOM.
- Use the manufacturer datasheet or drawing for electrical and mechanical limits before approving a substitute.
RFQ fields SENICO needs
- Send exact part number, manufacturer, quantity, target delivery date, destination and required packaging.
- State whether alternates are allowed, and list any date-code, certificate, traceability or customer AVL requirement.
- Keep exact stock, factory lead time and proposed alternatives in separate quote lanes.
For ECS-SR1-4.19-B-TR, SENICO recommends checking manufacturer marking, package, date code, requested quantity, approved vendor requirements and replacement risk before issuing a purchase order. If a supplier suggests an equivalent, record the changed fields and approval owner before comparing price.
We do not treat displayed data as a real-time stock or price commitment. The RFQ reply is the verified commercial reference.
Related buying guides: stock and lead-time verification, equivalent IC comparison, and BOM RFQ preparation.