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cigen-843-1B-C
843-1B-C Relay Series
PC board-mounted SPST-NC relays with various coil voltages
The 843-1B-C relay series from Song Chuan Group is a lineup of board-mountable single-pole single-throw normally open (SPST-NC) relays. These relays come with different coil voltage options, making them versatile for a range of electronic and automation projects. If you're working on control systems, power distribution boards, or any application that requires switching low currents, these relays can be quite handy.
One thing worth noting is their compact design, which makes them ideal for space-constrained PCB layouts. Engineers tend to reach for these when they need reliable switching action without the bulkiness of larger relays. They are particularly useful in scenarios where you need to switch signals or small currents, such as in microcontroller projects or simple automation setups.
Another practical observation is their wide range of coil voltages. This flexibility allows you to choose the right relay for your specific power supply requirements, whether you're dealing with DC or AC sources. This is especially beneficial in environments where voltage standards might vary widely, ensuring compatibility and reliability across different applications.
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843-1B-C Relay - Part List
7 parts in total| Mfr Part # | Quantity Available | Price | Category | Current | Load Type | Release Time | Pick Up Voltage | Voltage - Supply | Contact Resistance | Voltage - Breakdown | Current Rating (Max) | Insulation Resistance | Voltage Dropout (Max) | Power - Average Forward | DC Resistance (DCR) (Max) | Dielectric Strength, Contact to Contact | Voltage - Continuous Operating (Max) (MCOV) | Weight | Mounting Type | Contact Material | Contact Layout, Typical | Type | Function | Card Standard | Electrical Life | Manufacturer Part Number | Operate Time | Mechanical Life | Operating Range | Shock Resistance | Operating Temperature |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
843-1B-C-12VDC PC Board Relay • Coil Voltage: 12 VDC • Contact Configuration: SPST-NC (1 Form B) • Current : 10 A • Mounting: PC Board Terminal • Operating Function: Single Side Stable Song Chuan | 0 | - | 10 Amps | 10A 120VAC, 10A 24VDC, 5A 240VAC | 5 ms Max. | 75% of rated voltage | 12 VDC | 100 Mohm Max. | AC 2000V, 50/60Hz 1min. | 37.5 mA | 100 Mohm Min. (DC 500V) | 10% of rated voltage | approx. 0.45W | 320 ohm | AC 750V, 50/60Hz 1min. | 150% of rated voltage | Approx. 10 g | PC Board | AgSnO alloy | 1B SPST-NC | Relays | Single Side Stable | General Purpose Relay | 100,000 operations (frequency 1,800 operations/hr) | Flux Tight | 10 ms Max. | 20,000,000 operations (frequency 18,000 operations/hr) | 10 to 50Hz, double amplitude 1.5 mm | 100G | -30 to +70?C (no freezing) | |
843-1B-C-18VDC PC Board Relay • Coil Voltage: 18 VDC • Contact Configuration: SPST-NC (1 Form B) • Current : 10 A • Mounting: PC Board Terminal • Operating Function: Single Side Stable Song Chuan | 0 | - | 10 Amps | 10A 120VAC, 10A 24VDC, 5A 240VAC | 5 ms Max. | 75% of rated voltage | 18 VDC | 100 Mohm Max. | AC 2000V, 50/60Hz 1min. | 25 mA | 100 Mohm Min. (DC 500V) | 10% of rated voltage | approx. 0.45W | 720 ohm | AC 750V, 50/60Hz 1min. | 150% of rated voltage | Approx. 10 g | PC Board | AgSnO alloy | 1B SPST-NC | Relays | Single Side Stable | General Purpose Relay | 100,000 operations (frequency 1,800 operations/hr) | Flux Tight | 10 ms Max. | 20,000,000 operations (frequency 18,000 operations/hr) | 10 to 50Hz, double amplitude 1.5 mm | 100G | -30 to +70?C (no freezing) | |
843-1B-C-24VDC PC Board Relay • Coil Voltage: 24 VDC • Contact Configuration: SPST-NC (1 Form B) • Current : 10 A • Mounting: PC Board Terminal • Operating Function: Single Side Stable Song Chuan | 0 | - | 10 Amps | 10A 120VAC, 10A 24VDC, 5A 240VAC | 5 ms Max. | 75% of rated voltage | 24 VDC | 100 Mohm Max. | AC 2000V, 50/60Hz 1min. | 18.8 mA | 100 Mohm Min. (DC 500V) | 10% of rated voltage | approx. 0.45W | 1280 ohm | AC 750V, 50/60Hz 1min. | 150% of rated voltage | Approx. 10 g | PC Board | AgSnO alloy | 1B SPST-NC | Relays | Single Side Stable | General Purpose Relay | 100,000 operations (frequency 1,800 operations/hr) | Flux Tight | 10 ms Max. | 20,000,000 operations (frequency 18,000 operations/hr) | 10 to 50Hz, double amplitude 1.5 mm | 100G | -30 to +70?C (no freezing) | |
843-1B-C-3VDC PC Board Relay • Coil Voltage: 3 VDC • Contact Configuration: SPST-NC (1 Form B) • Current : 10 A • Mounting: PC Board Terminal • Operating Function: Single Side Stable Song Chuan | 0 | - | 10 Amps | 10A 120VAC, 10A 24VDC, 5A 240VAC | 5 ms Max. | 75% of rated voltage | 3 VDC | 100 Mohm Max. | AC 2000V, 50/60Hz 1min. | 150 mA | 100 Mohm Min. (DC 500V) | 10% of rated voltage | approx. 0.45W | 20 ohm | AC 750V, 50/60Hz 1min. | 150% of rated voltage | Approx. 10 g | PC Board | AgSnO alloy | 1B SPST-NC | Relays | Single Side Stable | General Purpose Relay | 100,000 operations (frequency 1,800 operations/hr) | Flux Tight | 10 ms Max. | 20,000,000 operations (frequency 18,000 operations/hr) | 10 to 50Hz, double amplitude 1.5 mm | 100G | -30 to +70?C (no freezing) | |
843-1B-C-5VDC PC Board Relay • Coil Voltage: 5 VDC • Contact Configuration: SPST-NC (1 Form B) • Current : 10 A • Mounting: PC Board Terminal • Operating Function: Single Side Stable Song Chuan | 0 | - | 10 Amps | 10A 120VAC, 10A 24VDC, 5A 240VAC | 5 ms Max. | 75% of rated voltage | 5 VDC | 100 Mohm Max. | AC 2000V, 50/60Hz 1min. | 90 mA | 100 Mohm Min. (DC 500V) | 10% of rated voltage | approx. 0.45W | 56 ohm | AC 750V, 50/60Hz 1min. | 150% of rated voltage | Approx. 10 g | PC Board | AgSnO alloy | 1B SPST-NC | Relays | Single Side Stable | General Purpose Relay | 100,000 operations (frequency 1,800 operations/hr) | Flux Tight | 10 ms Max. | 20,000,000 operations (frequency 18,000 operations/hr) | 10 to 50Hz, double amplitude 1.5 mm | 100G | -30 to +70?C (no freezing) | |
843-1B-C-6VDC PC Board Relay • Coil Voltage: 6 VDC • Contact Configuration: SPST-NC (1 Form B) • Current : 10 A • Mounting: PC Board Terminal • Operating Function: Single Side Stable Song Chuan | 0 | - | 10 Amps | 10A 120VAC, 10A 24VDC, 5A 240VAC | 5 ms Max. | 75% of rated voltage | 6 VDC | 100 Mohm Max. | AC 2000V, 50/60Hz 1min. | 75 mA | 100 Mohm Min. (DC 500V) | 10% of rated voltage | approx. 0.45W | 80 ohm | AC 750V, 50/60Hz 1min. | 150% of rated voltage | Approx. 10 g | PC Board | AgSnO alloy | 1B SPST-NC | Relays | Single Side Stable | General Purpose Relay | 100,000 operations (frequency 1,800 operations/hr) | Flux Tight | 10 ms Max. | 20,000,000 operations (frequency 18,000 operations/hr) | 10 to 50Hz, double amplitude 1.5 mm | 100G | -30 to +70?C (no freezing) | |
843-1B-C-9VDC PC Board Relay • Coil Voltage: 9 VDC • Contact Configuration: SPST-NC (1 Form B) • Current : 10 A • Mounting: PC Board Terminal • Operating Function: Single Side Stable Song Chuan | 0 | - | 10 Amps | 10A 120VAC, 10A 24VDC, 5A 240VAC | 5 ms Max. | 75% of rated voltage | 9 VDC | 100 Mohm Max. | AC 2000V, 50/60Hz 1min. | 50 mA | 100 Mohm Min. (DC 500V) | 10% of rated voltage | approx. 0.45W | 180 ohm | AC 750V, 50/60Hz 1min. | 150% of rated voltage | Approx. 10 g | PC Board | AgSnO alloy | 1B SPST-NC | Relays | Single Side Stable | General Purpose Relay | 100,000 operations (frequency 1,800 operations/hr) | Flux Tight | 10 ms Max. | 20,000,000 operations (frequency 18,000 operations/hr) | 10 to 50Hz, double amplitude 1.5 mm | 100G | -30 to +70?C (no freezing) |


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