Vishay Siliconix SI4434ADY-T1-GE3
MOSFET N-CH 250V 2.8A/4.1A 8SO
Answer first: this page is a purchasing reference for the exact part number SI4434ADY-T1-GE3 from Vishay Siliconix. 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 | SI4434ADY-T1-GE3 |
|---|---|
| Manufacturer | Vishay Siliconix |
| Category | FETs, MOSFETs |
| package | 8-SOIC (0.154", 3.90mm Width) |
| series | ThunderFET® |
| packaging | Tape & Reel (TR) |
| product status | Active |
| param 1 | N-Channel |
| param 2 | MOSFET (Metal Oxide) |
| param 3 | 250 V |
| param 4 | 2.8A (Ta), 4.1A (Tc) |
| param 5 | 7.5V, 10V |
| param 6 | 150mOhm @ 2.8A, 10V |
| param 7 | 4V @ 250µA |
| param 8 | 16.5 nC @ 10 V |
| param 9 | ±20V |
| param 10 | 600 pF @ 125 V |
| param 11 | - |
| param 12 | 2.9W (Ta), 6W (Tc) |
| param 13 | -55°C ~ 150°C (TJ) |
| param 14 | - |
| param 15 | - |
| param 16 | Surface Mount |
| param 17 | 8-SO |
Parameters are provided for purchasing review. Confirm package, suffix, lifecycle status, datasheet revision and approved substitutes before ordering.
How to Verify SI4434ADY-T1-GE3 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 SI4434ADY-T1-GE3, 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.