Key facts
- Brand
- Philips
- Model
- AN10121
- Documents
- 2
- Languages
- ZH
- Last added
- 2011-11-04
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Philips AN10121 Application Note
Application Note 12 pages · 599 KB · ZH
The document explains the operation principles of thyristors (SCRs) and bidirectional thyristors, describing their triggering, conduction, and turn‑off behavior. It also defines the key parameters (Ver, Icr, LI) and presents characteristic curves.
Design guidelines cover temperature limits, gate sensitivity, protection against noise, and recommended circuit topologies. Detailed mounting methods, thermal‑resistance calculations, and package‑specific data are provided to ensure reliable integration of these devices. This manual is written in Chinese.
Philips AN10121 specifications
| Ver, Icr, LI (at 25 °C) | values given at 25 °C |
|---|---|
| Maximum current for SOT54 (TO92) thyristor | 0.8 A |
| Maximum current for SOT78 (TO220AB) thyristor | 25 A |
| Smallest component package | SOT223 (surface‑mount) |
| Typical thermal resistance for SOT82 package | 100 K·W⁻¹ |
| Typical thermal resistance for SOT78 package | 6 K·W⁻¹ |
Source: Philips AN10121 Application Note
All Philips AN10121 documents by type
Application Note 2
How to use the product for one specific task, with worked examples.
Questions answered in these manuals
What thermal resistance value is typical for SOT78 packages?
Approximately 6 K·W⁻¹.