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S-8550AA-M5T1G from SEIKO

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S-8550AA-M5T1G

Manufacturer: SEIKO

STEP-DOWN, BUILT-IN FET, SYNCHRONOUS RECIFICATION, PWM CONTROL SWITCHING REGULATORS

Partnumber Manufacturer Quantity Availability
S-8550AA-M5T1G,S8550AAM5T1G SEIKO 15000 In Stock

Description and Introduction

STEP-DOWN, BUILT-IN FET, SYNCHRONOUS RECIFICATION, PWM CONTROL SWITCHING REGULATORS - **Manufacturer:** SEIKO  
- **Part Number:** S-8550AA-M5T1G  
- **Type:** Voltage Regulator (LDO Regulator)  
- **Output Voltage:** 5.0V  
- **Output Current:** 150mA  
- **Input Voltage Range:** 6.0V to 18.0V  
- **Dropout Voltage:** 0.5V (typical at 150mA)  
- **Line Regulation:** ±0.5% (typical)  
- **Load Regulation:** ±1.0% (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOT-23-5  
- **Features:**  
  - Low current consumption (4.0μA typical)  
  - Built-in overcurrent protection  
  - Thermal shutdown protection  
  - High ripple rejection ratio (60dB typical at 1kHz)  
  - Lead-free and RoHS compliant  

This information is based on the available specifications for the SEIKO S-8550AA-M5T1G LDO regulator.

Partnumber Manufacturer Quantity Availability
S-8550AA-M5T1G,S8550AAM5T1G SIEKO收购电 6000 In Stock

Description and Introduction

STEP-DOWN, BUILT-IN FET, SYNCHRONOUS RECIFICATION, PWM CONTROL SWITCHING REGULATORS The part **S-8550AA-M5T1G** is manufactured by **SII (Seiko Instruments Inc.)**, not SIEKO.  

### **Specifications:**  
- **Type:** PNP Bipolar Junction Transistor (BJT)  
- **Package:** SOT-23-5 (SC-74A)  
- **Collector-Base Voltage (VCBO):** -30V  
- **Collector-Emitter Voltage (VCEO):** -20V  
- **Emitter-Base Voltage (VEBO):** -5V  
- **Collector Current (IC):** -1.5A  
- **Power Dissipation (PD):** 1W  
- **DC Current Gain (hFE):** 60 to 400  
- **Operating Temperature Range:** -55°C to +150°C  

### **Descriptions & Features:**  
- **Low Saturation Voltage:** Suitable for switching applications.  
- **High Current Capability:** Supports up to -1.5A collector current.  
- **Compact Package:** SOT-23-5 for space-constrained designs.  
- **Pb-Free & RoHS Compliant:** Environmentally friendly.  

This transistor is commonly used in **switching circuits, amplifiers, and power management applications**.  

(Note: There is no mention of "SIEKO" acquiring SII in the available data.)

Partnumber Manufacturer Quantity Availability
S-8550AA-M5T1G,S8550AAM5T1G SII 2000 In Stock

Description and Introduction

STEP-DOWN, BUILT-IN FET, SYNCHRONOUS RECIFICATION, PWM CONTROL SWITCHING REGULATORS The part **S-8550AA-M5T1G** is manufactured by **SII (Seiko Instruments Inc.)**.  

### **Specifications:**  
- **Type:** PNP Bipolar Transistor  
- **Package:** SOT-23-5 (SC-74A)  
- **Collector-Base Voltage (VCBO):** -30V  
- **Collector-Emitter Voltage (VCEO):** -20V  
- **Emitter-Base Voltage (VEBO):** -5V  
- **Collector Current (IC):** -1.5A  
- **Power Dissipation (PD):** 1W  
- **Junction Temperature (Tj):** 150°C  
- **Storage Temperature (Tstg):** -55°C to +150°C  

### **Descriptions:**  
The **S-8550AA-M5T1G** is a **PNP bipolar transistor** designed for general-purpose amplification and switching applications. It is housed in a compact **SOT-23-5** package, making it suitable for space-constrained designs.  

### **Features:**  
- High current capability (**-1.5A**)  
- Low saturation voltage  
- Compact **SOT-23-5** package  
- Suitable for **switching and amplification** circuits  
- RoHS compliant  

This transistor is commonly used in **power management, signal amplification, and switching applications** in consumer electronics, industrial systems, and automotive circuits.  

Would you like additional details on electrical characteristics or application notes?

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