TPP25011 STMicroelectronics Integrated Circuit (Small Outline Packages) In Stock
The TPP25011 is an SCR telecom line protector from STMicroelectronics, rated at 250V with a 40mA holding current and up to 340V maximum breakover voltage in an 8-pin SOIC package. It integrates a built-in resistor in a single-element configuration with a 5A non-repetitive peak on-state current for transient surge protection. Available in stock worldwide for telephone and DSL line overvoltage protection applications.
- Manufacturer
- STMicroelectronics
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- TPP25011 Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Single SCR telecom protector with built-in resistor in one compact 8-pin SOIC package, simplifying board design
- 340V maximum breakover voltage and 5A non-repetitive peak on-state current for reliable transient surge clamping
- 250V working voltage with 40mA holding current optimized for telephone and DSL line overvoltage protection
- Plastic/epoxy rectangular SOIC package (R-PDSO-G8) enabling efficient surface-mount assembly on PCBs
Applications
The TPP25011 is specifically designed for protecting telecom line interfaces in telephone subscriber equipment, DSL modems, and ISDN terminals against overvoltage transients caused by lightning strikes or power crosses. Its integrated resistor simplifies external component count while providing coordinated protection for sensitive analog front-end circuits. The device is also used in industrial communication interfaces and PBX equipment where line surge protection is required to meet telecom safety standards.
Specifications
| YTEOL | 0 |
| Breakover Voltage-Max | 340V |
| Configuration | SINGLE WITH BUILT-IN RESISTOR |
| JESD-30 Code | R-PDSO-G8 |
| Non-Repetitive Pk On-state Cur | 5A |
| Number of Elements | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Qualification Status | Not Qualified |
| Surface Mount | YES |
| Terminal Form | GULL WING |
| Terminal Position | DUAL |
| Trigger Device Type | SILICON SURGE PROTECTOR |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8541.30.00.80 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the primary function of the TPP25011?
The TPP25011 is a silicon-controlled rectifier (SCR) designed specifically for telecom line overvoltage protection. It clamps transient voltage surges on telephone or DSL lines to protect sensitive downstream circuitry, with a 250V working voltage and a 340V maximum breakover voltage.
What is the peak current capability of the TPP25011?
The TPP25011 supports a non-repetitive peak on-state current of 5A, which provides adequate surge handling capability for transient events typical in telecom line protection scenarios such as lightning-induced voltage surges or power crosses on subscriber loops.
What package does the TPP25011 use?
The TPP25011 is housed in an 8-pin SOIC (Small Outline Integrated Circuit) package, designated R-PDSO-G8. This standard surface-mount package simplifies PCB layout and enables automated assembly in telecom equipment manufacturing.
Does the TPP25011 include any integrated components?
Yes, the TPP25011 incorporates a built-in resistor within its single SCR element configuration, reducing the need for external components on the PCB. This integration simplifies circuit design and reduces board space in telecom protection applications.
What applications is the TPP25011 designed for?
The TPP25011 is designed for telecom line protection in telephone terminals, DSL modems, ISDN equipment, and PBX systems. It guards sensitive analog front-end circuits against overvoltage transients from lightning, power induction, and electrostatic discharge events on subscriber telephone lines.
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