Power Integrations TNY274PN
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.86 | $0.86 |
| 15+ | $0.83 | $12.45 |
| 25+ | $0.81 | $20.25 |
| 50+ | $0.77 | $38.50 |
| 100+ | $0.68 | $68.00 |
| N+ | $0.14 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Power Integrations |
| Product Series | TinySwitch®-III |
| Packaging | Tube | |
| Output Isolation | Isolated |
| Internal Switch(s) | Yes |
| Voltage - Breakdown | 700V |
| Topology | Flyback |
| Voltage - Start Up | - |
| Voltage - Supply (Vcc/Vdd) | - |
| Duty Cycle | 65% |
| Frequency - Switching | 132kHz |
| Power (Watts) | 11 W |
| Fault Protection | Current Limiting, Open Loop, Over Temperature, Over Voltage, Short Circuit |
| Control Features | EN |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Grade | - |
| Qualification | - |
| Mounting Type | Through Hole |
| Package / Case | 8-DIP (0.300", 7.62mm), 7 Leads |
| Supplier Device Package | 8-PDIP-C |
| ROHS |
The TNY274PN from Power Integrations is a flyback offline switcher in the TinySwitch®-III series with an integrated 700V switch. It delivers up to 11W with a 65% maximum duty cycle and operates at 132kHz. Protection includes current limiting, open loop, over temperature, over voltage, and short circuit. The device uses an EN control feature and is supplied in an 8-DIP (7-lead) package rated for -40°C to 150°C junction temperature.
- Integrated 700V switch simplifies isolated flyback designs.
- Delivers up to 11W for low-power offline supplies.
- Comprehensive fault protection improves reliability.
- 132kHz switching frequency in an 8-DIP through-hole package.
- Wide -40°C to 150°C junction temperature range.
Isolated Flyback Supplies
The TNY274PN is a flyback switcher with an integrated 700V switch, providing galvanic isolation for offline AC-DC designs up to 11W.
Low-Power Adapters
With 132kHz switching frequency and 65% maximum duty cycle, it suits compact isolated low-power supplies.
Robust Offline Designs
Protection including current limiting, open loop, over temperature, over voltage, and short circuit supports reliable operation.
Through-Hole Assembly
The 8-DIP (7-lead) package suits through-hole manufacturing in TinySwitch®-III designs.
High-Temperature Environments
Rated for -40°C to 150°C junction temperature for demanding thermal conditions.
- Q: What topology does the TNY274PN use?
- A: It is a flyback offline switcher with an integrated switch.
- Q: What is the breakdown voltage?
- A: The internal switch has a 700V breakdown rating.
- Q: How much power can it deliver?
- A: It delivers up to 11W.
- Q: What switching frequency does it use?
- A: It operates at 132kHz.
- Q: What protections are included?
- A: Current limiting, open loop, over temperature, over voltage, and short circuit protection.
- Q: What topology does the TNY274PN use?
- A: It is a flyback offline switcher with an integrated switch.
- Q: What is the breakdown voltage?
- A: The internal switch has a 700V breakdown rating.
- Q: How much power can it deliver?
- A: It delivers up to 11W.
- Q: What switching frequency does it use?
- A: It operates at 132kHz.
- Q: What protections are included?
- A: Current limiting, open loop, over temperature, over voltage, and short circuit protection.

TNY274PN.pdf