PH Sensor
1set Liquid 0-14 PH Meter Value Detection Sensor Module Monitoring PH Controller + BNC Block PH Electrode Probe Kits for Arduino
Heating voltage: 5±0.2V (AC -• DC)
Working current: 5-10mA
The detection concentration range: PH 0-14
The detection range of temperature: 0-80 centigrade
The response time: ≤ 5S
Stability time: ≤ 60S
Power consumption: ≤ 0.5W
The working temperature: -10~50 centigrade (the nominal temperature 20 centigrade)
Working humidity: 95%RH (nominal humidity 65%RH)
Price 10,000 birr
Address Megenagna Zefmesh Grandmall 3rd floor 301
0993802995 VECTOR/ 0922787347 kase/0924468599 Haben
VECTOR FOUR ENGINEERING

1.7m long LINEAR RAIL 25mm
- High-speed operation
- Low friction and noise
- High precision, duration, and reliability
- Smooth movement
- High efficiency of transferring
- No gap and preloading
- For 3D Printers, CNC machines, Advanced Industrial Systems etc… Package Includes
1.7 meter Rail – 1
HGH25CA Bearing block – 2
Price 16500 birr

Address – Megenagna, Zefmesh Grandmall 3rd floor 301
0993802995 Vector/0922787347 Kase
VECTOR FOUR ENGINEERING

Thermal Grease HY510
- Non-toxic, tasteless, non-corrosive
- High stability and reliability
- Low thermal resistance and high thermal conductivity
- Apply to CPU, VGA, LED chipset and other computer components
Material: Silicone Grease
- Color: Gray
- Net Weight: 15g
- Thermal Conductivity: >1.93 W/mK
- Thermal Impedance: <0.225
- Specific gravity: >2.0
- Viscosity: 1000
- Concentration: 380 ± 10 1/10mm
- Working temperature: ±50-280 ℃
Price 250 Birr
Address – Megenagna, Zefmesh Grandmall 3rd floor 301
0993802995 Vector/ 0922787347 Kase/0924488599 Haben
VECTOR FOUR ENGINEERING

BANANA PLUG MALE AND FEMALE
- Banana Plug Male and Female to Insert Connector Banana Pin DIY Model Parts.
Package Include:
1 set - 1 male and 1 female
Price 150 Birr

Address – Megenagna, Zefmesh Grandmall 3rd floor 301
0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERING

DC Motor Speed Controller
- Input supply voltage:1.8V-35VDC
- The max output power:60W
- The max continuous output current :2A
- Duty Cycle adjustable: 0%-100%
- Size: approx. 32*32*15mm
- Net weight: 14g
Price 750 Birr
Address – Megenagna, Zefmesh Grandmall 3rd floor 301
0993802995 Vector/ 0922787347 Kase/0924488599 Haben
VECTOR FOUR ENGINEERING

SHRINK TUBES
- 2, 3, 4, 6 and 8 mm Heat shrink tubes
- Color Black
- Tube Shrinks to half the original diameter when exposed to heat
Price of 2mm 150 birr per meter
Price of 3mm 150 birr per meter
Price of 4mm 150 birr per meter
Price of 6mm 200 birr per meter
Price of 8mm 200 birr per meter

Address – Megenagna, Zefmesh Grandmall 3rd floor 301
0993802995 Vector/ 0922787347 Kase/0924488599 Haben
VECTOR FOUR ENGINEERING

GT2 Pulley 10mm
- GT2 10mm wide pulley, bore 5mm 20 Teeth Timing Aluminum Pulley
- Color: silver
- Tooth number: 20
- Tooth pitch: 2mm
- Bore diameter: 5mm
- Flange: double
- Tooth width: 11mm ( Very Suitable and good for 10mm synchronous belt )
Price 800 Birr
Address – Megenagna, Zefmesh Grandmall 3rd floor 301
0993802995 Vector/ 0922787347 Kase/0924488599 Haben
VECTOR FOUR ENGINEERING

1N5408 Power Diode
- Average forward current is 3A
- Forward Voltage drop is 1V @3A
- Non-repetitive Peak current is 200A
- Peak Reverse current is 10uA.
- Repetitive reverse voltage is 1000V
Applications of Diode
- Can be used to prevent reverse polarity problem
- HV supplies
- Half Wave and Full Wave rectifiers
- Used as a protection device
- Current flow regulators
Price 20 Birr
Address – Megenagna, Zefmesh Grandmall 3rd floor 301
0993802995 Vector/ 0922787347 Kase/0924488599 Haben
VECTOR FOUR ENGINEERING

1N5399 Diode
- Diode Type: Standard Rectifier Diode
- Max Repetitive Reverse Voltage is: 1000 Volts
- Average Rectified Fwd Current is: 1.5A
- Non-repetitive Max Fwd Surge Current: 50A
- RMS Reverse Voltage is: 700V
- Typical junction capacitance is: 15pF
- Forward Voltage Drop is: 1.1V
- it a general purpose diode capable to drive the absolute maximum load of up-to 1.5A and the absolute maximum load voltage can be up-to 1000V.
Price 15 Birr
Address – Megenagna, Zefmesh Grandmall 3rd floor 301
0993802995 Vector/ 0922787347 Kase/0924488599 Haben
VECTOR FOUR ENGINEERING

FR207 Diode
- Fast Recovery Power Diode
- Average forward current is 2A
- Forward Surge Current is 60A
- Forward Voltage Drop 1.2V at 2A
- Peak reverse voltage is 1000V
- RMS Reverse Voltage is 700V
- Reverse Recovery Time is 500ns
- High efficiency, Low VF.
- High current capability.
- High reliability.
- High surge current capability.
- Low power loss.
Price 20 Birr
Address – Megenagna, Zefmesh Grandmall 3rd floor 301
0993802995 Vector/ 0922787347 Kase/0924488599 Haben
VECTOR FOUR ENGINEERING

1N5822 Schottky Diode
- 1N5822 has forward voltage drop of minimum 0.525V that is it requires 0.525V to conduct in forward biased direction. The 1N5822 has maximum average forward rectified current IF(AV) of 3A. The maximum repetitive peak reverse voltage VRRM for 1N5822 is 40V.
- IF(AV) 3.0 A
- VRRM 20 V, 30 V, 40 V
- IFSM 80 A
- VF 0.475 V, 0.500 V, 0.525 V
- Schottky diodes have very low forward drop voltage VF which makes them ideal for fast switching applications at lower current ratings.
- Guarding for overvoltage protection
- Very small conduction losses
- Extremely fast switching
- Low forward voltage drop
- High forward surge capability
- High frequency operation
Price 20 Birr
Address – Megenagna, Zefmesh Grandmall 3rd floor 301
0993802995 Vector/ 0922787347 Kase/0924488599 Haben
VECTOR FOUR ENGINEERING

BC517 NPN Darlington Transistor
- BC517 NPN Darlington Transistor is designed for very high amplification is required.
- Collector-Emitter Voltage, max: 30 V
- Collector-Base Voltage, max: 40 V
- Emitter-Base Voltage, max: 10 V
- Collector Current − Continuous, max: 1 A
- Collector Dissipation: 0.625 W
- DC Current Gain (hfe): 30000
- Transition Frequency, min: 200 MHz
- Operating and Storage Junction Temperature Range: -55 to +150 °C
- PNP complement: BC516
Price 15 Birr
Address – Megenagna, Zefmesh Grandmall 3rd floor 301
0993802995 Vector/ 0922787347 Kase/0924488599 Haben
VECTOR FOUR ENGINEERING

FR107 Fast Recovery Diode
- Polarity = Cathode band
- Recurrent Peak Reverse Voltage Max. = 1000 V
- Reverse recovery time = 500 ns
- Typical Junction Capacitance = 15 pF
- Average Forward Output Current Max. = 1 A
- Forward Voltage Drop per element at 1.0A DC Max = 1.3 V
- Low forward voltage drop
- Used for fast switching applications

Price 15 Birr
Address – Megenagna, Zefmesh Grandmall 3rd floor 301
0993802995 Vector/ 0922787347 Kase/0924488599 Haben
VECTOR FOUR ENGINEERING

BC556 Transistor
- BC556 PNP General Purpose Transistor is designed for general-purpose switching and amplification.
- Maximum Collector Current -100mA
- Maximum Base-Emitter Voltage -5V
- Maximum Collector-Emitter Voltage -65V
- Maximum Collector-Base Voltage -85V
- Complement to BC546, BC547, BC548, BC549
- Low current (max. 100 mA)
Price 15 Birr
Address – Megenagna, Zefmesh Grandmall 3rd floor 301
0993802995 Vector/ 0922787347 Kase/0924488599 Haben
VECTOR FOUR ENGINEERING

Li-ion Battery 7.4V/5200mAh
- 18650 2S2P 7.4V 5200mah Lithium ion battery
- Material: lithium ion battery
- Voltage: 7.4V
- Typical Capacity: 5200mah
- Minimum Capacity: 5000mah
- Discharge cutoff voltage: 6V
- Charge Voltage: 8.46V
- Charge Current: 1250mA
- Charge time: 6hr
- Maximum continuous charge current: 2600mA
- Maximum continuous charge current: 5000mA
- Size : 18*75*65mm
- Weight: 200g
- Power rating: 38.48Wh
Price 2000 Birr
Address – Megenagna, Zefmesh Grandmall 3rd floor 301
0993802995 Vector/ 0922787347 Kase/0924488599 Haben
VECTOR FOUR ENGINEERING

2N2222 NPN Transistor
- Bi-Polar high current NPN Transistor
- DC Current Gain (hFE) is 100
- Continuous Collector current (IC) is 800mA
- Emitter Base Voltage (VBE) is 6V
- Collector Emitter Voltage (VCE) is 30V
- Base Current(IB) is 5mA maximum
Price 15 Birr
Address – Megenagna, Zefmesh Grandmall 3rd floor 301
0993802995 Vector/ 0922787347 Kase/0924488599 Haben
VECTOR FOUR ENGINEERING

5V Solar Panel
- Model GDLITE 035WP
- Body color: black
- It has a support base
- Solar panel power: 3.5 watts
- Output voltage without DC load: 7.2V
- Maximum current: 0.49 amps
- Working voltage DC: 5V
- It can charge 3.6-4.2V battery
- Length: 25.5 cm
- Width: 14.5 cm
- Weight: 366 grams
- Body material: polycrystalline silicon
Price 1250 Birr
Address – Megenagna, Zefmesh Grandmall 3rd floor 301
0993802995 Vector/ 0922787347 Kase/0924488599 Haben
VECTOR FOUR ENGINEERING

BC337 Transistor
- General Purpose NPN Amplifier Transistor
- Current Gain (hFE), 100 to 630
- Continuous Collector current (IC) is 800mA
- Collector-Emitter voltage (VCEO) is 45 V
- Collector-Base voltage (VCB0) is 50V
- Emitter Base Voltage (VBE0) is 5V
- Transition Frequency 100MHz
- The BC337 is an NPN transistor with a maximum gain of 630, commonly used in low power audio applications. It can also switch loads upto 45V and 800mA hence also used as general purpose transistor.
Price 15 Birr
Address – Megenagna, Zefmesh Grandmall 3rd floor 301
0993802995 Vector/ 0922787347 Kase/0924488599 Haben
VECTOR FOUR ENGINEERING

2N5401 PNP Transistor
- High collector breakdown voltage
With DC Current Gain (hFE) up to 100
- Maximum voltage across collector and emitter: 150V
- Maximum current allowed trough collector: 600mA
- Maximum voltage across collector and base: 160 V
- Maximum voltage across base and emitter: 5V
- Maximum power dissipation : 0.62 W
- 2N5401 is specifically designed to be used in high voltage applications where load consumes very less power (i.e. Current drawn by load is low). These types of circuits can be seen in telephone systems. It can also be used when you want a simple switching device for high voltage loads. Also the component is cheap and easy to work with.
Price 15 Birr
Address – Megenagna, Zefmesh Grandmall 3rd floor 301
0993802995 Vector/ 0922787347 Kase/0924488599 Haben
VECTOR FOUR ENGINEERING

3 Digit Seven Segment Display
- Bright Red LED chip, which is made from AlGaAs on GaAs substrate
- Model HS310561K-24
- Blackface and RED LED segments
- Type: Common cathode
- No. of Pins: 12
- Low Current Consumption
- 0.56 inch segment
Price 250 Birr
Address – Megenagna, Zefmesh Grandmall 3rd floor 301
0993802995 Vector/ 0922787347 Kase/0924488599 Haben
VECTOR FOUR ENGINEERING

S9014 NPN Transistor
- S9014 NPN Small Signal Transistor is designed for pre-amplifier, low level & low noise applications.
- Transistor Type: NPN
- Max Collector Current(IC): 100mA
- Max Collector-Emitter Voltage (VCE): 45V
- Max Collector-Base Voltage (VCB): 50V
- Max Emitter-Base Voltage (VEBO): 5V
- Max Collector Dissipation (Pc): 400 mW
- Max Transition Frequency (fT): 150 MHz
- Minimum & Maximum DC Current Gain (hFE): 60 – 1000
- Max Storage & Operating temperature Should Be: -55 to +150 Centigrade
- S9014 is Complementary to SS9015
Price 15 Birr
Address – Megenagna, Zefmesh Grandmall 3rd floor 301
0993802995 Vector/ 0922787347 Kase/0924488599 Haben
VECTOR FOUR ENGINEERING