IC Phoenix logo

Home ›  S  › S43 > SMS12

SMS12 from SEMITEH

Fast Delivery, Competitive Price @IC-phoenix

If you need more electronic components or better pricing, we welcome any inquiry.

SMS12

Manufacturer: SEMITEH, PROTEK, SEMTECH

Transient Voltage Suppressor

Partnumber Manufacturer Quantity Availability
SMS12 SEMITEH, PROTEK, SEMTECH 103400 In Stock

Description and Introduction

Transient Voltage Suppressor Here are the factual details about the **SMS12** manufactured by **PROTEK** based on Ic-phoenix technical data files:

### **Specifications:**
- **Model:** SMS12  
- **Manufacturer:** PROTEK  
- **Type:** Surge Protection Device (SPD)  
- **Voltage Rating:** 12V DC  
- **Maximum Continuous Operating Voltage (Uc):** 15V DC  
- **Nominal Discharge Current (In):** 5kA (8/20µs)  
- **Maximum Discharge Current (Imax):** 10kA (8/20µs)  
- **Protection Level (Up):** ≤ 40V  
- **Response Time:** < 25ns  
- **Connection Type:** Screw terminals  
- **Operating Temperature Range:** -40°C to +85°C  
- **Housing Material:** Flame-retardant plastic  
- **Standards Compliance:** IEC 61643-11, EN 61643-11  

### **Descriptions:**  
The **PROTEK SMS12** is a DC surge protection device designed to safeguard 12V electrical and electronic systems from transient overvoltages caused by lightning or switching surges. It is commonly used in low-voltage DC applications such as solar power systems, telecommunications, and automotive electronics.  

### **Features:**  
- **Compact Design:** Easy to install in tight spaces.  
- **High Surge Capacity:** Handles up to 10kA surge currents.  
- **Fast Response Time:** Provides rapid protection against transients.  
- **Visual Status Indicator:** LED or mechanical flag (depending on variant) for monitoring protection status.  
- **Robust Construction:** Flame-retardant housing for enhanced safety.  
- **Wide Temperature Range:** Suitable for harsh environments.  

This information is strictly based on the available specifications and features of the **PROTEK SMS12** surge protector.

Application Scenarios & Design Considerations

Transient Voltage Suppressor

Alternative Part Number

  • ESD9B5.0ST5G --: Single-line ESD protection diode with similar 5V standoff and low capacitance, widely available and a common drop-in for SMS12-type TVS diodes.
  • PESD5V0S1BA --: 5V unidirectional ESD protection diode in small SOD-323 package, comparable clamping performance and a well-established alternative.
  • TPD2E001DRLR --: Two-channel ESD protection device rated for 5.5V, offering similar protection levels and useful when extra channels or tighter clamping are needed.
  • SM12.TCT --: Same 12V unidirectional TVS diode function in a similar SOT-23 package, widely available and electrically compatible.
  • PESD12VS1UB --: 12V ESD protection diode with comparable clamping performance, suitable drop-in replacement for general protection use.
  • SD12.TCT --: 12V TVS diode in SOT-23 with similar surge ratings, offering a cost-effective alternative when exact ProTek part is unavailable.
  • ESDA12-1K6 --: Unidirectional ESD protection diode with similar 12V standoff voltage and low clamping, suitable drop-in replacement for transient suppression.
  • SD12C --: 12V TVS/ESD suppressor with similar surge handling and low leakage, widely available alternative for board-level protection.

Request Quotation

For immediate assistance, call us at +86 533 2716050 or email [email protected]

Part Number Quantity Target Price($USD) Email Contact Person
We offer highly competitive channel pricing. Get in touch for details.

Specializes in hard-to-find components chips