Thursday, April 16, 2020

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3pcs DC-DC 3V 3.3V 3.7V 4.2V 5V to 12V 3.5A Boost Step Up Converter Voltage Regulator Power Supply Module Board
3pcs DC-DC 3V 3.3V 3.7V 4.2V 5V to 12V 3.5A Boost Step Up Converter Voltage Regulator Power Supply Module Board3pcs DC-DC 3V 3.3V 3.7V 4.2V 5V to 12V 3.5A Boost Step Up Converter Voltage Regulator Power Supply Module Board3pcs DC-DC 3V 3.3V 3.7V 4.2V 5V to 12V 3.5A Boost Step Up Converter Voltage Regulator Power Supply Module Board



Specifications:

Input voltage: DC 2.6 ~ 6V

Output voltage:  DC 12V±3% 

Maximum output : 12V/1.2A

Working frequency 1MHZ 

Efficiency: Up to 96% (usually is 75%-93%) 

Quiescent current : 0.19mA 

Operating temperature  : -40 - +85 ℃

Storage temperature  : -65 - +150 ℃

Pin : 2.54mm 

Size : 23.9 x 16 x 6.2mm

Weight : 2.5g 

Protection : 

Over current protection(OCP)

Over voltage protection(OVP)

Short circuit protection(SCP)

Over temperature protection(OTP)    

DD0612SA_12V_3


DD0612SA_12V_1
Applications:

 

Battery powered equipment

Instrumentation, multimeter

Wifi Router equipment

Small power motors

PTZ Camera webcam

Toy car boat

Model aircraft

power bank

LED Lighting

Mobile phone charger

 

Note:

 

1. Input voltage can not be greater than the maximum input .

2. Output power can not be greater than the maximum load for a long time.

3. Input power must be greater than the output power, because the power consumption of the module itself.

 

Package Included:

 

3 x DC-DC 3V 3.3V 3.7V 4.2V 5V to 12V 3.5A Boost Step Up Converter 

 





3pcs DC-DC 3V 3.3V 3.7V 4.2V 5V to 12V 3.5A Boost Step Up Converter Voltage Regulator Power Supply Module BoardSee detail


Wednesday, April 15, 2020

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50pcs BT137-800E TO220 BT137-800 TO-220 IC
50pcs BT137-800E TO220 BT137-800 TO-220 IC50pcs BT137-800E TO220 BT137-800 TO-220 IC50pcs BT137-800E TO220 BT137-800 TO-220 IC



Description:

Model Number: BT137-800E

Package included:

50 x BT137-800E




50pcs BT137-800E TO220 BT137-800 TO-220 ICSee detail


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D222 Speaker Frequency Drvider Crossover Filters with Junction Box
D222 Speaker Frequency Drvider Crossover Filters with Junction BoxD222 Speaker Frequency Drvider Crossover Filters with Junction BoxD222 Speaker Frequency Drvider Crossover Filters with Junction Box



Features:

Frequency divider is a circuit arrangement inside the sound box, to distinguish the sound 
signals of different frequencies (treble, tenor, bass), respectively to enlarge, and then sent 
to the speaker of the corresponding bands in the replay.

Specifications:

Model: WEAH D222
Power: 80W
Impedance: 5-8 Ω
Size:79x55x55mm

Package Included:

1 x Speaker Frequency Drvider with Junction Box




D222 Speaker Frequency Drvider Crossover Filters with Junction BoxSee detail


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LM7815/05/12 + 7915/05/12 Voltage Regulator Module Power Supply Board +/- Dual 12V Rectifier Filter
LM7815/05/12 + 7915/05/12 Voltage Regulator Module Power Supply Board +/- Dual 12V Rectifier FilterLM7815/05/12 + 7915/05/12 Voltage Regulator Module Power Supply Board +/- Dual 12V Rectifier FilterLM7815/05/12 + 7915/05/12 Voltage Regulator Module Power Supply Board +/- Dual 12V Rectifier Filter



 Input voltage range:


* DC 15 ~ 24V, +/- dual voltage

* AC 12 ~ 16V, +/- dual voltage

 Note: When outputting dual voltage, please input positive and negative dual voltage.

 Package includes:

 1 x Power supply board





LM7815/05/12 + 7915/05/12 Voltage Regulator Module Power Supply Board +/- Dual 12V Rectifier FilterSee detail


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A14 RS232 to TTL Serial Port to TTL Converter Board Brush Module MAX3232 Chip
A14 RS232 to TTL Serial Port to TTL Converter Board Brush Module MAX3232 ChipA14 RS232 to TTL Serial Port to TTL Converter Board Brush Module MAX3232 ChipA14 RS232 to TTL Serial Port to TTL Converter Board Brush Module MAX3232 Chip



Can be used to program MCU types:

STC microcontroller
STM32 microcontroller
NXP microcontroller
Renesas Microcontroller
NEC microcontroller

feature:

Communication chip: MAX3232
Working voltage: 3.3V-5.5V
Interface: TX RX GND VCC.

 Package includes:

 1 x Converter board




A14 RS232 to TTL Serial Port to TTL Converter Board Brush Module MAX3232 ChipSee detail


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