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VIPER32DIP
STMicroelectronics
IC OFFLINE SWITCH 8DIP
52096 Pcs New Original In Stock
Converter Offline Topology 8-DIP
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(Ships tomorrow)
*Quantity
Minimum 1
Minimum 1
5.0 / 5.0
- (220 Ratings)
VIPER32DIP
Product Overview
8162177
DiGi Electronics Part Number
VIPER32DIP-DGManufacturer
STMicroelectronics
VIPER32DIP
Description
IC OFFLINE SWITCH 8DIPInventory
52096 Pcs New Original In Stock
Converter Offline Topology 8-DIP
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
Warranty & Returns
How to Order
Shipping & Delivery
Quality Assurance
365 - Day Quality Guarantee - Every part fully backed.
90 - Day Refund or Exchange - Defective parts? No hassle.
Limited Stock, Order Now - Get reliable parts without worry.
Global Shipping & Secure Packaging
Worldwide Delivery in 3-5 Business Days
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VIPER32DIP Technical Specifications
Category
Power Management (PMIC), AC DC Converters, Offline Switches
Packaging
-
Series
-
Product Status
Obsolete
Output Isolation
-
Internal Switch(s)
-
Voltage - Breakdown
-
Topology
-
Voltage - Supply (Vcc/Vdd)
-
Duty Cycle
-
Frequency - Switching
-
Fault Protection
-
Control Features
-
Operating Temperature
-
Package / Case
8-DIP (0.300", 7.62mm)
Supplier Device Package
8-DIP
Mounting Type
Through Hole
Base Product Number
VIPER32
Datasheet & Documents
HTML Datasheet
VIPER32DIP-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
3 (168 Hours)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Standard Package
50
Alternative Parts
PART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
December 02, 2025
I have never experienced such swift responses from a supplier before—DiGi Electronics is top-notch.
December 02, 2025
The affordable prices make it easy to choose DiGi Electronics for my tech needs.
December 02, 2025
My order arrived ahead of schedule, with packaging that effectively safeguarded my purchase.
December 02, 2025
The customer service at DiGi Electronics is truly friendly and always ready to help with a smile.
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Frequently Asked Questions (FAQ)
Can I use the VIPER32DIP in a new power supply design despite being marked as obsolete by STMicroelectronics?
No, the VIPER32DIP should not be used in new designs because it has been officially declared obsolete by STMicroelectronics. While existing inventory may still be available, ST no longer guarantees production support, future availability, or reliability updates. For new designs, consider transitioning to a recommended substitute such as the VIPER53DIP-E or VIPER17HN, which offer improved efficiency, enhanced protection features, and ongoing manufacturer support. Using obsolete components increases long-term supply chain risk and complicates compliance with modern safety and energy efficiency standards.
What are the key risks of replacing the VIPER32DIP with the VIPER53DIP-E in an existing offline converter design?
Replacing the VIPER32DIP with the VIPER53DIP-E requires careful evaluation of pin compatibility, switching frequency, and internal control logic. Although both are 8-DIP offline switchers from the same family, the VIPER53DIP-E operates at a higher switching frequency and includes advanced features like frequency jittering and improved overvoltage protection. This may affect EMI performance and require adjustments to the feedback loop and snubber network. Always validate thermal performance and stability under full load conditions, as the higher frequency can increase core losses in the transformer and alter transient response.
How does the VIPER32DIP’s through-hole 8-DIP package impact thermal management in high-ambient-temperature environments?
The VIPER32DIP’s 8-DIP through-hole package has limited thermal dissipation capability due to its lack of an exposed pad and reliance on PCB copper and leads for heat removal. In high-ambient-temperature applications (e.g., >50°C), this can lead to junction temperatures exceeding safe limits, especially at higher output power levels. To mitigate risk, ensure adequate copper area on the PCB, use thermal vias under the device, and consider forced airflow. If thermal headroom is insufficient, migrating to a surface-mount alternative like the VIPER17HN in an SO-8 package with better thermal characteristics is strongly advised.
Is the VIPER32DIP suitable for designs requiring compliance with modern standby power regulations like EU CoC Tier 2?
The VIPER32DIP is not ideal for meeting modern standby power requirements such as EU CoC Tier 2 (<30mW no-load consumption) due to its older architecture and lack of advanced burst-mode optimization. Its fixed-frequency operation and higher quiescent current make it difficult to achieve ultra-low standby power without significant external circuitry. For compliance, ST recommends newer devices like the VIPER17HN, which integrates low-power modes and adaptive feedback to meet stringent efficiency standards. Continuing with the VIPER32DIP may require costly redesigns or fail certification testing.
What design considerations should I take into account when sourcing the VIPER32DIP given its MSL 3 moisture sensitivity rating?
The VIPER32DIP has an MSL 3 (168 hours) rating, meaning it can be exposed to ambient conditions for up to 168 hours after dry packaging is opened before requiring baking. If stored improperly or exposed to high humidity, moisture absorption can lead to popcorning during soldering reflow, even in through-hole assembly. Always follow IPC/JEDEC J-STD-033 guidelines: store in dry cabinets below 40% RH, track floor life, and bake at 125°C for 24 hours if exposure exceeds limits. For high-reliability or volume production, consider switching to a newer, surface-mount alternative with lower MSL risk and better process compatibility.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
VIPER32DIP CAD Models
STMicroelectronics VIPER32DIP PCB symbols & footprints
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