Vishay SI9120DY-T1-E3 AC DC Converters, Offline Switchers
IC OFFLINE SW MULT TOP 16SOIC

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
SI9120DY-T1-E3
Detailed Description
IC OFFLINE SW MULT TOP 16SOIC
Package
16-SOIC (0.154", 3.90mm Width)
Key Features
Package / Case: 16-SOIC (0.154", 3.90mm Width); Mounting Type: Surface Mount
Lifecycle Status
Obsolete
RoHS State
RoHS Compliant
Datasheet
SI9120DY-T1-E3 Datasheet
Quick Jump:
Technical Specifications
Vishay SI9120DY-T1-E3 AC DC Converters, Offline Switchers technical specifications.
General
Package / Case
16-SOIC
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
9.5V ~ 13.5V
Internal Switch S
No
Switching Frequency
40kHz ~ 1MHz
Output Isolation
Isolated
Topology
Flyback, Forward
Duty Cycle
50%
Alternate Parts Comparison (SI9120DY-T1-E3 vs SI9120DY-E3 vs SIP32461DB-T2-GE1 vs SIP32454DB-T2-GE1)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 16-SOIC | 16-SOIC | 4-UFBGA | 4-UFBGA |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 125°C (TJ) |
| Supply Voltage | 9.5V ~ 13.5V | 9.5V ~ 13.5V | Not Required | Not Required |
| Switching Frequency | 40kHz ~ 1MHz | 40kHz ~ 1MHz | -- | -- |
| Duty Cycle | 50% | 50% | -- | -- |
| Internal Switch S | No | No | -- | -- |
| Output Isolation | Isolated | Isolated | -- | -- |
| Topology | Flyback, Forward | Flyback, Forward | -- | -- |
| Interface | -- | -- | On/Off | On/Off |
| Current Output Max | -- | -- | 1.2A | 1.2A |
| Fault Protection | -- | -- | Reverse Current | Reverse Current |
| Action |
More Parts in AC DC Converters and Offline Switchers
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.