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Description
EPCOS B66319G0000X187 Transformer Cores, Half Core, E30, N87, 67 mm, 60 mm²The B66319GX187 is an E30 type Transformer Ferrite Core with N87 material grade. It has ungapped construction. The magnetic properties of NiZn materials can change irreversible in high magnetic fields. 1900 +30 20% Inductance factor Applications Industrial Product details Ae Effective Cross Section Area 60mm Effective Magnetic Path Length 67mm Core Material Grade N87 Core Type Product Range EF Series For Use With Inductance Factor Al 1. 9H Core Size
The B66319GX187 is an E30-type Transformer Ferrite Core with N87 material grade. It has ungapped construction. The magnetic properties of NiZn materials can change irreversible in high magnetic fields.
- 1900 +30/-20% Inductance factor
Applications
Industrial
Product details
| Ae Effective Cross Section Area | 60mm² |
| Effective Magnetic Path Length | 67mm |
| Core Material Grade | N87 |
| Core Type | - |
| Product Range | EF Series |
| For Use With | - |
| Inductance Factor Al | 1.9µH |
| Core Size | E30 |
Other details
| Brand | EPCOS |
| Part Number | B66319G0000X187 |
| Quantity | Each |
| Technical Data Sheet EN | |
| Product Change Notice EN |
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4.1 ★★★★★
Based on 26 reviews
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Product Reviews
★★★★★ 5
Great book
Format: Paperback
Love the fact you put examples in python and javascript.
Great book.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 10, 2025
★★★★★ 5
proper documentation from langchain
Format: Paperback
Liked the book. But Still missing Human in the loop.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 19, 2025
★★★★★ 3
Already outdated
Format: Paperback
Concepts are sound but the code in this book is already obsolete
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 5, 2025
★★★★★ 5
Unlocking Practical AI: A Developer’s Guide to Building with LLMs and LangChain
Format: Paperback
If you're a developer eager to move beyond LLM experimentation and build robust, context-aware AI applications, this book offers both inspiration and practical guidance. The authors open with a clear passion for the transformative potential of large language models (LLMs) and LangChain, framing these technologies as not just enhancements to the developer’s toolkit, but as gateways to new kinds of “thing-building” superpowers. This sense of possibility is grounded in step-by-step instruction, making the book approachable for those with Python or JavaScript backgrounds who may be new to the world of production-grade AI agents.
What stands out is the book’s careful scaffolding: starting with foundational concepts like prompt-based programming and progressing to advanced capabilities such as retrieval-augmented generation, agent planning, and tool integration. Each stage is contextualized with real-world use cases, like customizing chatbots to interact with your own documents, personalizing user experiences through memory, and deploying to production with reliability and security in mind. The focus on chain-of-thought reasoning and LangGraph’s agent architecture demonstrates the authors’ awareness of the current state of AI, where context and planning are just as important as raw language ability.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 17, 2025
★★★★★ 5
Excellent Handbook
Format: Paperback
What got my interest in this book is the author. He's well-known as a leader in the LangChain world. And his book did not disappoint. It goes through the whole life cycle of development and there is a lot useful insights. If you are looking to build real-world genAI/agentic apps, then this book is certainly a great choice.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 11, 2025
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