Vdc Spdt

1000 Miniature SPDT PCB Relays 5V 44mA 3A 120VDC 842A 1C S 5VDC Song Chuan
1000 Miniature SPDT PCB Relays 5V 44mA 3A 120VDC 842A 1C S 5VDC Song Chuan
Paypal   US $699.00
FUJITSU FBR111NUD012 M1 12VDC PCB RELAY SPDT 600 Pieces
FUJITSU FBR111NUD012 M1 12VDC PCB RELAY SPDT 600 Pieces
Paypal   US $299.00
HP Agilent 8761A RF Microwave DC 18 GHz SPDT Relay Switch 12 15 VDC Latching
HP Agilent 8761A RF Microwave DC 18 GHz SPDT Relay Switch 12 15 VDC Latching
Paypal   US $249.00
Agilent H P 8765B 015 100 Microwave SwitchDC 20GHz SPDT SMA 15Vdc power
Agilent H P 8765B 015 100 Microwave SwitchDC 20GHz SPDT SMA 15Vdc power
Paypal   US $200.00
50x OMRON SPDT High Frequency Relay G6Y 1 5VDC
50x OMRON SPDT High Frequency Relay G6Y 1 5VDC
Paypal   US $199.00
100x TAKAMISAWA Small Size SY 5 K 5VDC SPDT Signal Relay
100x TAKAMISAWA Small Size SY 5 K 5VDC SPDT Signal Relay
Paypal   US $180.00
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Are these electronic parts compatible?

Ok, so I am making a proximity sensor or burglar alarm thing that is really small but I don't know much about electronics. If I bought all these parts, would they be compatible with one another and be able to serve as a proximity buzzer if I were to mount them correctly on a door or something?

1) Mini DC Buzzer
*3 VDC
*Typical current: 15 mA

2)Open Reed Switch- magnet operated (normally open OR closed)
*Switch type SPDT
*Current rating: 1A @ 150 VDC/VAC
*Power rating: 20W
*Breakdown voltage: 350 VDC

3) 3V/190mAh lithium coin cell battery with holder

4) Thin copper wire

5) Household magnet (do I need a certain strength of magnet to operate the switch?)

Hi.
My only doubt is that your button cell batery won't be capable of supplying the 15mA of current required by the buzzer. Typically they can safely supply 0.1 - 1mA. I would suggest using 2 1.5v AA batteries instead ( in series ) As for the magnet, yes it will need to have enough strength to operate the switch but that's just down to trial and error.
Good luck. Pm me if you get stuck.

1000 Miniature SPDT PCB Relays 5V 44mA 3A 120VDC 842A 1C S 5VDC Song Chuan
1000 Miniature SPDT PCB Relays 5V 44mA 3A 120VDC 842A 1C S 5VDC Song Chuan
Paypal   US $699.00
FUJITSU FBR111NUD012 M1 12VDC PCB RELAY SPDT 600 Pieces
FUJITSU FBR111NUD012 M1 12VDC PCB RELAY SPDT 600 Pieces
Paypal   US $299.00
HP Agilent 8761A RF Microwave DC 18 GHz SPDT Relay Switch 12 15 VDC Latching
HP Agilent 8761A RF Microwave DC 18 GHz SPDT Relay Switch 12 15 VDC Latching
Paypal   US $249.00
Agilent H P 8765B 015 100 Microwave SwitchDC 20GHz SPDT SMA 15Vdc power
Agilent H P 8765B 015 100 Microwave SwitchDC 20GHz SPDT SMA 15Vdc power
Paypal   US $200.00
50x OMRON SPDT High Frequency Relay G6Y 1 5VDC
50x OMRON SPDT High Frequency Relay G6Y 1 5VDC
Paypal   US $199.00
100x TAKAMISAWA Small Size SY 5 K 5VDC SPDT Signal Relay
100x TAKAMISAWA Small Size SY 5 K 5VDC SPDT Signal Relay
Paypal   US $180.00
Relay Switch RF HP 8761A SPDTDC 18 Ghz APC 7 50 Ohm 12 15VDC Used
Relay Switch RF HP 8761A SPDTDC 18 Ghz APC 7 50 Ohm 12 15VDC Used
Paypal   US $175.00
TE Kilovac K43C334 Power Relay SPDT 265VDC 25A Plug In
TE Kilovac K43C334 Power Relay SPDT 265VDC 25A Plug In
Paypal   US $174.95
50x TAKAMISAWA JS12 K 12VDC SPDT 8 Amp Power Relays JS 12 K
50x TAKAMISAWA JS12 K 12VDC SPDT 8 Amp Power Relays JS 12 K
Paypal   US $165.00
50x OMRON 16 Amp SPDT Power Relay G2R 1 E 12VDC
50x OMRON 16 Amp SPDT Power Relay G2R 1 E 12VDC
Paypal   US $158.00
50x OMRON 10 Amp SPDT Power Relay G2R 1 12VDC
50x OMRON 10 Amp SPDT Power Relay G2R 1 12VDC
Paypal   US $158.00
86 Spargus Electronics Relays 12VDC SPDT PCB Sealed
86 Spargus Electronics Relays 12VDC SPDT PCB Sealed
Paypal   US $155.00
Kilovac H 8 S6 High Voltage Vacuum 265VDC SPDT Relay
Kilovac H 8 S6 High Voltage Vacuum 265VDC SPDT Relay
Paypal   US $150.00
Agilent 8762F 75 Ohm SPDT DC 4 GHz 5Vdc Terminated
Agilent 8762F 75 Ohm SPDT DC 4 GHz 5Vdc Terminated
Paypal   US $150.00
Relay Switch RF HP 8761A SPDTDC 18 Ghz 50 Ohm 12 15VDC Type N Used
Relay Switch RF HP 8761A SPDTDC 18 Ghz 50 Ohm 12 15VDC Type N Used
Paypal   US $150.00
Relay Switch RF HP 8761B SPDT DC 18 Ghz 50 Ohm 24 30VDC Type NUsed
Relay Switch RF HP 8761B SPDT DC 18 Ghz 50 Ohm 24 30VDC Type NUsed
Paypal   US $150.00
OMRON H5CN YBN TIMER 4DIG LED 12 48VDC SPDT 3A250V REFU
OMRON H5CN YBN TIMER 4DIG LED 12 48VDC SPDT 3A250V REFU
Paypal   US $149.90
CARLO GAVAZZI DIB01C7245A CURRENT RELAY 24VDC SPDT 8A
CARLO GAVAZZI DIB01C7245A CURRENT RELAY 24VDC SPDT 8A
Paypal   US $149.00
GO SWITCH 75 13528 DCG PROXIMITY SENSOR 240VAC 2A 250VDC 05A SPDTUL QUANTITY
GO SWITCH 75 13528 DCG PROXIMITY SENSOR 240VAC 2A 250VDC 05A SPDTUL QUANTITY
Paypal   US $139.99
Teledyne CCR 33M80 COAX RELAY 12VDC SPDT DC 18GHz
Teledyne CCR 33M80 COAX RELAY 12VDC SPDT DC 18GHz
Paypal   US $129.99
Cutler Hammer Time Delay Relay G 60668 SPDT 5 Amp 28VDC
Cutler Hammer Time Delay Relay G 60668 SPDT 5 Amp 28VDC
Paypal   US $120.00
3 KILOVAC HIGH VOLTAGE SPDT RELAY HC 1 S122 265VDC 25A
3 KILOVAC HIGH VOLTAGE SPDT RELAY HC 1 S122 265VDC 25A
Paypal   US $120.00
CURTIS ALBRIGHT TYPE SW84B 8 ELECTRIC VEHICLE 48VDC CONTACTOR SPDT 100A RATING
CURTIS ALBRIGHT TYPE SW84B 8 ELECTRIC VEHICLE 48VDC CONTACTOR SPDT 100A RATING
Paypal   US $110.00
Kilovac KC 2 S26 HV Ceramic Vacuum Relay15Kv SPDT 50 Amps 265 VDC 250 Ohm
Kilovac KC 2 S26 HV Ceramic Vacuum Relay15Kv SPDT 50 Amps 265 VDC 250 Ohm
Paypal   US $110.00
WEIDMULLER DIN RAIL 8365980000 SPDT 24VDC 6A lot of 10
WEIDMULLER DIN RAIL 8365980000 SPDT 24VDC 6A lot of 10
Paypal   US $100.00
40Pcs Relay SPDT 10A 24VDC 16KOhm General Purpose FBR161NED024UWB
40Pcs Relay SPDT 10A 24VDC 16KOhm General Purpose FBR161NED024UWB
Paypal   US $100.00
New Vacuum SPDT Antenna Relay 12 VDC for HF Amplifier
New Vacuum SPDT Antenna Relay 12 VDC for HF Amplifier
Paypal   US $99.95
New Tohtsu CX 600N SPDT N Type Coaxial Antenna Relay 12 VDC Coil
New Tohtsu CX 600N SPDT N Type Coaxial Antenna Relay 12 VDC Coil
Paypal   US $99.95
New Tohtsu CX 600N SPDT N Type Coaxial Antenna Relay 24 VDC Coil
New Tohtsu CX 600N SPDT N Type Coaxial Antenna Relay 24 VDC Coil
Paypal   US $99.95
NEW Lot 100 Panasonic JS1 24V F Power RELAY SPDT 24VDC 10A PC Board AJS1312F
NEW Lot 100 Panasonic JS1 24V F Power RELAY SPDT 24VDC 10A PC Board AJS1312F
Paypal   US $99.95
Narda Loral SPDT Coaxial RF Switch 020 B37 A1C 4A0 Latching SMA DC 18 GHz 24vdc
Narda Loral SPDT Coaxial RF Switch 020 B37 A1C 4A0 Latching SMA DC 18 GHz 24vdc
Paypal   US $99.95
New Vacuum SPDT Antenna Relay 26 VDC for HF Amplifier
New Vacuum SPDT Antenna Relay 26 VDC for HF Amplifier
Paypal   US $99.95
HP Agilent 8762C Coaxial Switch DC to 265 GHz SPDT Max RF Output 1W CW 24VDC
HP Agilent 8762C Coaxial Switch DC to 265 GHz SPDT Max RF Output 1W CW 24VDC
Paypal   US $89.99
Transco WR62 Waveguide Switch SPDT 124 180GHz 28VDC Failsafe 82152 33D00300
Transco WR62 Waveguide Switch SPDT 124 180GHz 28VDC Failsafe 82152 33D00300
Paypal   US $89.95
NEW TRANSMATION ALARM 530DC 1 5 VDC SPDT
NEW TRANSMATION ALARM 530DC 1 5 VDC SPDT
Paypal   US $89.00
NEW TRANSMATION ALARM 540A DUAL SPDT 1 5 VDC
NEW TRANSMATION ALARM 540A DUAL SPDT 1 5 VDC
Paypal   US $85.00
Magnecraft W199X 2 12VDC SPDT 12V 40A Power Relay 4pc
Magnecraft W199X 2 12VDC SPDT 12V 40A Power Relay 4pc
Paypal   US $82.99
NEW Curtis Albright SPDT Forward Rev Contactor  DC88 271E w 24VDC Coil w Diode
NEW Curtis Albright SPDT Forward Rev Contactor DC88 271E w 24VDC Coil w Diode
Paypal   US $82.95
Jennings RJ6B 26D3136 SPDT High Power RF DC Vacuum Relay RJ 6B 12kV 50A 12VDC
Jennings RJ6B 26D3136 SPDT High Power RF DC Vacuum Relay RJ 6B 12kV 50A 12VDC
Paypal   US $79.99
HP 33311B Coaxial Switch SPDT 3 Port DC to 18GHz 24VDC SMAF
HP 33311B Coaxial Switch SPDT 3 Port DC to 18GHz 24VDC SMAF
Paypal   US $79.00
5189 6339 HP Compaq Relay 1 Pole 24Vdc 10A Spdt DiodeLed
5189 6339 HP Compaq Relay 1 Pole 24Vdc 10A Spdt DiodeLed
Paypal   US $78.95
Banner 12 VDC SPDT Reed Relay BR 1R 16125
Banner 12 VDC SPDT Reed Relay BR 1R 16125
Paypal   US $76.00
100 CLion Mini Miniature PCB Relay UL Recongised 12V SPDT 125VAC 12A 28VDC 7A
100 CLion Mini Miniature PCB Relay UL Recongised 12V SPDT 125VAC 12A 28VDC 7A
Paypal   US $69.99
100 Clion Miniature Mini PCB Relay12V SPDT 125VAC 15A 28VDC 10A HHC66A 1Z 12VDC
100 Clion Miniature Mini PCB Relay12V SPDT 125VAC 15A 28VDC 10A HHC66A 1Z 12VDC
Paypal   US $69.99
100 CLion 24V SPDT Mini PCB Relay HHC66A 1Z 24VDC 125VAC 12VDC 12A UL TUV
100 CLion 24V SPDT Mini PCB Relay HHC66A 1Z 24VDC 125VAC 12VDC 12A UL TUV
Paypal   US $69.99
100 CLion 24V SPDT Mini PCB Relay HHC66A 1Z 24VDC 125VAC 12VDC 15A CE TUV
100 CLion 24V SPDT Mini PCB Relay HHC66A 1Z 24VDC 125VAC 12VDC 15A CE TUV
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100 CLion 5V Mini PCB Relay SPDT HHC66A 1Z 05VDC 125VAC 12A 28VDC 7A UL TUV
100 CLion 5V Mini PCB Relay SPDT HHC66A 1Z 05VDC 125VAC 12A 28VDC 7A UL TUV
Paypal   US $69.99
100 CLion 5V Mini PCB Relay SPDT HHC66A 1Z 05VDC 125VAC 15A 28VDC 10A TUV CE
100 CLion 5V Mini PCB Relay SPDT HHC66A 1Z 05VDC 125VAC 15A 28VDC 10A TUV CE
Paypal   US $69.99
100X QIANJI JQC 3FT73 12VDC PCB RELAY SPDT 10A 125VAC
100X QIANJI JQC 3FT73 12VDC PCB RELAY SPDT 10A 125VAC
Paypal   US $69.99
New VHC 3 SPDT Vacuum Relay 12 VDC for HV Switching
New VHC 3 SPDT Vacuum Relay 12 VDC for HV Switching
Paypal   US $69.95
New VHC 3 SPDT Vacuum Relay 26 VDC for HV Switching
New VHC 3 SPDT Vacuum Relay 26 VDC for HV Switching
Paypal   US $69.95
SYRELEC BARU 12VDC TIMER DELAY ON MAKE SPDT 10A 250VAC
SYRELEC BARU 12VDC TIMER DELAY ON MAKE SPDT 10A 250VAC
Paypal   US $69.90
HP 33311B Coaxial Switch SPDT DC 18GHz 24VDC
HP 33311B Coaxial Switch SPDT DC 18GHz 24VDC
Paypal   US $69.00
PB T81H5D312 05 SIGNAL RELAY SPDT 5VDC 1A THROUGH H
PB T81H5D312 05 SIGNAL RELAY SPDT 5VDC 1A THROUGH H
Paypal   US $68.99
50pcs TAKAMISAWA SY 12 K Relay SPDT 1C 12VDC Coil
50pcs TAKAMISAWA SY 12 K Relay SPDT 1C 12VDC Coil
Paypal   US $66.50
50pcs TAKAMISAWA SY 5 K Relay SPDT 1C 5VDC Coil
50pcs TAKAMISAWA SY 5 K Relay SPDT 1C 5VDC Coil
Paypal   US $66.50
100pcs SONGLE 24V DC SPDT Power Relay SRD 24VDC SL C
100pcs SONGLE 24V DC SPDT Power Relay SRD 24VDC SL C
Paypal   US $64.99
100pcs SONGLE 6V DC SPDT Power Relay SRD 6VDC SL C
100pcs SONGLE 6V DC SPDT Power Relay SRD 6VDC SL C
Paypal   US $64.99
100pcs SONGLE 9V DC SPDT Power Relay SRD 9VDC SL C
100pcs SONGLE 9V DC SPDT Power Relay SRD 9VDC SL C
Paypal   US $64.99
New VHC 1 SPDT Vacuum Relay 12 VDC for RF Switching
New VHC 1 SPDT Vacuum Relay 12 VDC for RF Switching
Paypal   US $64.95
New VHC 1 SPDT Vacuum Relay 26 VDC for RF Switching
New VHC 1 SPDT Vacuum Relay 26 VDC for RF Switching
Paypal   US $64.95
Allen Bradley 42GRU 9201 QD Ser A PHOTOELECTRIC SENSOR 10 55VDC 20 40VAC SPDT
Allen Bradley 42GRU 9201 QD Ser A PHOTOELECTRIC SENSOR 10 55VDC 20 40VAC SPDT
Paypal   US $62.24
PHOENIX EMG10 REL KSR G 24 21 LC AU 24VDC SS RELAY SPDT
PHOENIX EMG10 REL KSR G 24 21 LC AU 24VDC SS RELAY SPDT
Paypal   US $59.90
Murr 52000 Relay Module spdt 24vdc 10 pcs Used
Murr 52000 Relay Module spdt 24vdc 10 pcs Used
Paypal   US $58.25
W88KDX 3 Magnecraft 24 VDC SPDT relay new
W88KDX 3 Magnecraft 24 VDC SPDT relay new
Paypal   US $58.00
Transco RF Switch SPDT DC 11 GHz 28Vdc Nice 1
Transco RF Switch SPDT DC 11 GHz 28Vdc Nice 1
Paypal   US $56.25
NEW KILOVAC H 4 50K VDC HIGH VOLTAGE SPDT RELAY
NEW KILOVAC H 4 50K VDC HIGH VOLTAGE SPDT RELAY
Paypal   US $55.00
NEW KILOVAC K42B332 50K VDC HIGH VOLTAGE SPDT RELAY
NEW KILOVAC K42B332 50K VDC HIGH VOLTAGE SPDT RELAY
Paypal   US $55.00
ITT Jennings RJ1A 26N934 HAM Radio QSK SPDT Vacuum Relay 35 KV 265 VDC 18 AMPS
ITT Jennings RJ1A 26N934 HAM Radio QSK SPDT Vacuum Relay 35 KV 265 VDC 18 AMPS
Paypal   US $50.00
ITT Jennings RJ1A 26S HAM Radio SPDT Vacuum Relay 5 KV 265 VDC 18 AMPS 335 Ohms
ITT Jennings RJ1A 26S HAM Radio SPDT Vacuum Relay 5 KV 265 VDC 18 AMPS 335 Ohms
Paypal   US $50.00
Kilovac HC 1 HAM Radio QSK SPDT RF Vacuum Relay 35 KV 265 VDC 25 AMPS
Kilovac HC 1 HAM Radio QSK SPDT RF Vacuum Relay 35 KV 265 VDC 25 AMPS
Paypal   US $50.00
Teledyne Microwave RF Miniature SPDT Switch CCR 33S10 DC 18GHz 28VDC
Teledyne Microwave RF Miniature SPDT Switch CCR 33S10 DC 18GHz 28VDC
Paypal   US $50.00
American Zettler QTY 50 Relay Gen Purp SPDT 6A 12DC 150VDC PC Board
American Zettler QTY 50 Relay Gen Purp SPDT 6A 12DC 150VDC PC Board
Paypal   US $50.00
NEW BANNER MICRO AMPLIFIER 10 30 VDC SPDT MODEL MA4 2
NEW BANNER MICRO AMPLIFIER 10 30 VDC SPDT MODEL MA4 2
Paypal   US $49.99
C88255 Agilent 8765B DC 20GHz SPDT Switch Opt 324 24VDC Supply New In Box
C88255 Agilent 8765B DC 20GHz SPDT Switch Opt 324 24VDC Supply New In Box
Paypal   US $49.99
Transco 11300 Switch RF XMSN Line SPDT 28VDC
Transco 11300 Switch RF XMSN Line SPDT 28VDC
Paypal   US $49.99
Ducommun DX1 613B60L SPDT Coaxial Switch 24 30 VDC Failsafe w Indicators
Ducommun DX1 613B60L SPDT Coaxial Switch 24 30 VDC Failsafe w Indicators
Paypal   US $49.95
W388X 2 Magnecraft 12 VDC SPDT relay new
W388X 2 Magnecraft 12 VDC SPDT relay new
Paypal   US $49.07
10x OMRON SPDT High Frequency Relay G6Y 1 5VDC
10x OMRON SPDT High Frequency Relay G6Y 1 5VDC
Paypal   US $49.00
W388X 3 MAGNECRAFT 13 AMPS SPDT 24VDC new in box
W388X 3 MAGNECRAFT 13 AMPS SPDT 24VDC new in box
Paypal   US $46.77
Guardian 24vdc SPDT Relay Lot of 100
Guardian 24vdc SPDT Relay Lot of 100
Paypal   US $45.00
ONE NOS HV1Z110VD SPDT DB DM 200MA CONTACT 110VDC 5KVDC COIL RELAY BOX46
ONE NOS HV1Z110VD SPDT DB DM 200MA CONTACT 110VDC 5KVDC COIL RELAY BOX46
Paypal   US $45.00
3 ALTECH RMH1B HIGH CURRENT RELAY MODULE 5VDC SPDT NEW
3 ALTECH RMH1B HIGH CURRENT RELAY MODULE 5VDC SPDT NEW
Paypal   US $44.99
W88KDX 2 Magnecraft 12 VDC SPDT relay new
W88KDX 2 Magnecraft 12 VDC SPDT relay new
Paypal   US $42.00
New ABB HRDM113S Solid State Time Delay Relay 12Vdc 3sec SPDT
New ABB HRDM113S Solid State Time Delay Relay 12Vdc 3sec SPDT
Paypal   US $40.00
10x TAKAMISAWA JS12 K 12VDC SPDT 8 Amp Power Relays JS 12 K
10x TAKAMISAWA JS12 K 12VDC SPDT 8 Amp Power Relays JS 12 K
Paypal   US $40.00
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