Details

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BUY DMMT5551-7-F https://www.utsource.net/itm/p/12419769.html

Parameter	Value	Unit
Part Number	DMMT5551-7-F
Type	NPN Transistor
Package	SOT-23
Maximum Collector-Emitter Voltage (Vce)	45	V
Maximum Collector-Base Voltage (Vcb)	50	V
Maximum Emitter-Base Voltage (Veb)	6	V
Maximum Collector Current (Ic)	200	mA
Maximum Collector Dissipation (Pc)	350	mW
Maximum Operating Temperature	-55 to 150	°C
Transition Frequency (ft)	300	MHz
Storage Temperature Range	-65 to 150	°C

Instructions for Use:

1. Handling Precautions:

   • Handle the DMMT5551-7-F with care to avoid static damage.
   • Use proper anti-static wrist straps and mats when handling.

2. Mounting:

   • Ensure the PCB is clean and free from contaminants before mounting.
   • Use recommended soldering temperatures and profiles to avoid thermal stress.
   • Ensure proper alignment of the transistor on the PCB to avoid misalignment.

3. Electrical Connections:

   • Connect the collector (C), base (B), and emitter (E) terminals correctly as per the datasheet pinout.
   • Use appropriate current-limiting resistors to protect the base-emitter junction.

4. Thermal Management:

   • Ensure adequate heat dissipation if operating near maximum power ratings.
   • Consider using a heatsink if necessary.

5. Storage:

   • Store in a dry, cool place away from direct sunlight.
   • Keep in original packaging until ready for use to prevent moisture absorption.

6. Testing:

   • Test the transistor in a controlled environment to ensure it meets the specified parameters.
   • Use a multimeter or other suitable testing equipment to verify functionality.

7. Disposal:

   • Follow local regulations for the disposal of electronic components.
   • Recycle whenever possible.

(For reference only)