| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| VIPER12AS13TR | STMicroelectronics | Check for Price | Switching Regulator, Current-mode, 0.48A, 66kHz Switching Freq-Max, MOS, PDSO8 | VIPER12ASTR-E vs VIPER12AS13TR |
Part Details for VIPER12ASTR-E by STMicroelectronics
Results Overview of VIPER12ASTR-E by STMicroelectronics
- Distributor Offerings: (12 listings)
- Number of FFF Equivalents: (0 replacements)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (1 option)
- CAD Models: (Available)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
VIPER12ASTR-E Information
VIPER12ASTR-E by STMicroelectronics is a Switching Regulator or Controller.
Switching Regulator or Controllers are under the broader part category of Power Circuits.
A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.
Price & Stock for VIPER12ASTR-E
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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DISTI #
69AH3250RL
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Newark | Off-Line Switcher Ic, Flyback, Soic-8, |Stmicroelectronics VIPER12ASTR-E RoHS: Compliant Min Qty: 100 Package Multiple: 1 Date Code: 0 Container: Tape & Reel | 3889 |
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$0.5163 / $0.5810 | Buy Now |
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DISTI #
69AH3250
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Newark | Off-Line Switcher Ic, Flyback, Soic-8, |Stmicroelectronics VIPER12ASTR-E RoHS: Compliant Min Qty: 5 Package Multiple: 1 Date Code: 0 Container: Cut Tape | 3889 |
|
$0.5163 / $0.9173 | Buy Now |
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DISTI #
95W0198
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Newark | Off-Line Switcher Ic, Flyback, Soic-8, |Stmicroelectronics VIPER12ASTR-E RoHS: Compliant Min Qty: 2500 Package Multiple: 1 Date Code: 0 Container: Tape & Reel | 0 |
|
$0.5653 / $0.6279 | Buy Now |
|
DISTI #
VIPER12ASTR-E
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TME | IC: driver, buck,buck-boost,flyback, SO8, 0.4A, 730V, Ch: 1, 7÷38VDC Min Qty: 1 | 1868 |
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$0.5700 / $1.2600 | Buy Now |
|
DISTI #
511-VIPER12ASTR
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Mouser Electronics | AC/DC Converters Low Power OFF-Line SMPS Primary Switch RoHS: Compliant | 10897 |
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$0.6900 / $1.3900 | Buy Now |
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Future Electronics | VIPER12AS Series 38 V 5 mA Low Power OFF-Line SMPS Primary Switcher - SOIC-8 RoHS: Compliant pbFree: Yes Min Qty: 2500 Package Multiple: 2500 Container: Reel | 50000Reel |
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$1.2000 | Buy Now |
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Future Electronics | VIPER12AS Series 38 V 5 mA Low Power OFF-Line SMPS Primary Switcher - SOIC-8 RoHS: Compliant pbFree: Yes Min Qty: 2500 Package Multiple: 2500 Container: Reel | 0Reel |
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$1.2000 | Buy Now |
|
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Future Electronics | VIPER12AS Series 38 V 5 mA Low Power OFF-Line SMPS Primary Switcher - SOIC-8 RoHS: Compliant pbFree: Yes Min Qty: 2500 Package Multiple: 2500 Container: Reel | 0Reel |
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$1.2000 | Buy Now |
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|
Chip Stock | VIPER12AS Series 38 V 5 mA Low Power OFF-Line SMPS Primary Switcher - SOIC-8 | 212500 |
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RFQ | |
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|
Component Electronics, Inc | IN STOCK SHIP TODAY | 4 |
|
$2.5000 / $3.8500 | Buy Now |
US Tariff Estimator: VIPER12ASTR-E by STMicroelectronics
Calculations from this tool are estimations only for imports into the United States. Please refer to the distributor or manufacturer and reference official US government sources and authorities to verify any final purchase costs.
VIPER12ASTR-E CAD Models
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VIPER12ASTR-E Part Data Attributes
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VIPER12ASTR-E
STMicroelectronics
Buy Now
Datasheet
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Compare Parts:
VIPER12ASTR-E
STMicroelectronics
Switching Regulator, Current-mode, 0.48A, 66kHz Switching Freq-Max, PDSO8
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| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Part Package Code | SOIC | |
| Package Description | Lead Free, So-8 | |
| Pin Count | 8 | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.60 | |
| Factory Lead Time | 14 Weeks | |
| Analog IC - Other Type | Switching Regulator | |
| Control Mode | Current-Mode | |
| Control Technique | Pulse Width Modulation | |
| Input Voltage-Max | 38 V | |
| Input Voltage-Min | 9 V | |
| Input Voltage-Nom | 18 V | |
| JESD-30 Code | R-PDSO-G8 | |
| JESD-609 Code | e4 | |
| Length | 4.9 Mm | |
| Moisture Sensitivity Level | 3 | |
| Number of Functions | 1 | |
| Number of Terminals | 8 | |
| Output Current-Max | 0.48 A | |
| Package Body Material | Plastic/Epoxy | |
| Package Code | SOP | |
| Package Equivalence Code | SOP8,.25 | |
| Package Shape | Rectangular | |
| Package Style | Small Outline | |
| Packing Method | Tr | |
| Peak Reflow Temperature (Cel) | 260 | |
| Qualification Status | Not Qualified | |
| Seated Height-Max | 1.75 Mm | |
| Surface Mount | Yes | |
| Switcher Configuration | Single | |
| Switching Frequency-Max | 66 Khz | |
| Terminal Finish | Nickel/Palladium/Gold/Silver (Ni/Pd/Au/Ag) | |
| Terminal Form | Gull Wing | |
| Terminal Pitch | 1.27 Mm | |
| Terminal Position | Dual | |
| Time@Peak Reflow Temperature-Max (s) | 30 | |
| Width | 3.9 Mm |
Alternate Parts for VIPER12ASTR-E
This table gives cross-reference parts and alternative options found for VIPER12ASTR-E. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of VIPER12ASTR-E, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
VIPER12ASTR-E Frequently Asked Questions (FAQ)
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STMicroelectronics provides a recommended PCB layout in the application note AN4571, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and reliability.
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The transformer selection depends on the input voltage, output voltage, and power rating. STMicroelectronics provides a transformer selection guide in the datasheet, and also recommends using their online transformer selection tool to find the optimal transformer for your design.
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The VIPER12ASTR-E has a high power density, so thermal management is crucial. Ensure good airflow, use a heat sink if necessary, and follow the thermal design guidelines in the datasheet to keep the junction temperature below 150°C.
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Follow the EMC guidelines in the datasheet, use a shielded transformer, and ensure proper PCB layout and routing to minimize electromagnetic interference. Additionally, use EMI filters and shielding if necessary to meet the required EMC standards.
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Ensure the device is used within the recommended operating conditions, follow the safety guidelines in the datasheet, and use protective components such as fuses and varistors to prevent overvoltage and overcurrent conditions.