SI4904DY-T1-E3
Vishay Siliconix
Tape & Reel (TR); Cut Tape (CT)-55°C~150°C(TJ)TrenchFET®
Ref. price$2.2700
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Vishay SI49 Series
9 variants · Vishay
About the Vishay Vishay SI49 Series series
The Vishay Vishay SI49 Series series groups 9 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. Every variant in the range shares a common case of 8-SOIC (0.154\", 3.90mm Width) and mounting type of Surface Mount. Variants differ by current - continuous drain (Id) @ 25°C, drain to source voltage and FET feature, so you can match the exact current - continuous drain (Id) @ 25°C your application requires using the selection guide below. All listed Vishay SI49 Series part numbers are active and orderable.
Select a variant by
- Current - continuous drain (Id) @ 25°C
- 2.4A · 4.4A · 4.9A · 5.8A · 6.9A · 8A
- Drain to source voltage
- 20V · 30V · 40V · 60V
- FET feature
- Logic Level Gate · Standard
- Gate charge (Qg) (Max) @ vgs
- 9nC @ 10V · 15nC @ 10V · 20nC @ 10V · 21nC @ 4.5V · 22nC @ 10V · 85nC @ 10V
- Input capacitance (Ciss) (Max) @ vds
- - · 325pF @ 15V · 530pF @ 15V · 2390pF @ 20V
- Operating temperature
- -55°C ~ 150°C (TJ) · -55°C~150°C(TJ) · -55°C~175°C(TJ)
- Package
- Tape & Reel (TR) Cut Tape (CT) · Tape & Reel (TR); Cut Tape (CT)
- Power - max
- 1.1W · 1.4W · 2.3W · 2.8W · 3.25W
Variant comparison
| Parameter | SI4904DY-T1-E3 | SI4904DY-T1-GE3 | SI4936ADY-T1-E3 | SI4936BDY-T1-E3 | SI4936BDY-T1-GE3 | SI4936CDY-T1-GE3 |
|---|---|---|---|---|---|---|
| Current - continuous drain (Id) @ 25°C | 8A | 8A | 4.4A | 6.9A | 6.9A | 5.8A |
| Drain to source voltage | 40V | 40V | 30V | 30V | 30V | 30V |
| FET feature | Standard | Standard | Logic Level Gate | Logic Level Gate | Logic Level Gate | Logic Level Gate |
| Gate charge (Qg) (Max) @ vgs | 85nC @ 10V | 85nC @ 10V | 20nC @ 10V | 15nC @ 10V | 15nC @ 10V | 9nC @ 10V |
| Input capacitance (Ciss) (Max) @ vds | 2390pF @ 20V | 2390pF @ 20V | - | 530pF @ 15V | 530pF @ 15V | 325pF @ 15V |
| Operating temperature | -55°C~150°C(TJ) | -55°C~150°C(TJ) | -55°C~150°C(TJ) | -55°C ~ 150°C (TJ) | -55°C~150°C(TJ) | -55°C ~ 150°C (TJ) |
| Package | Tape & Reel (TR); Cut Tape (CT) | Tape & Reel (TR); Cut Tape (CT) | Tape & Reel (TR); Cut Tape (CT) | Tape & Reel (TR) Cut Tape (CT) | Tape & Reel (TR); Cut Tape (CT) | Tape & Reel (TR) Cut Tape (CT) |
| Power - max | 3.25W | 3.25W | 1.1W | 2.8W | 2.8W | 2.3W |
Shared specifications
- Case
- 8-SOIC (0.154\", 3.90mm Width)
- Mounting type
- Surface Mount
Request a quote on any Vishay SI49 Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.
Frequently asked questions
- How do the Vishay Vishay SI49 Series variants differ?
- Vishay SI49 Series part numbers differ by current - continuous drain (Id) @ 25°C, drain to source voltage, FET feature and gate charge (Qg) (Max) @ vgs. Use the selection guide above to pick by current - continuous drain (Id) @ 25°C.
- How many Vishay Vishay SI49 Series part numbers are listed?
- 9 Vishay Vishay SI49 Series part numbers are listed, each with specifications and a datasheet where available.
- How do I get pricing and lead time for Vishay Vishay SI49 Series?
- Request a quote (RFQ) for any Vishay SI49 Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.