Description
Low price 9V signal relay with full-turn and full-negative electromagnetic coil is more stable and precise.
Features
- 3A contact switching capability.
- Contact form: SPDT (1C).
- High sensitive type, coil power is 200mW/360mW/450mW.
- Standard DIP construction terminal.
- Ultra – small type, gold – plated contacts.
- Suit for complete machine wave soldering and integral cleaning process.
- Main applications: Electric power protection, automation, communication.
Specification
| Model | ATO-SR-FH38DC9V | ||
| Type | Standard Type | Sensitive Type | High Power Consumption Type |
| Coil Parameters (23℃) | Nominal Voltage | DC 9V | |
| Nominal Power | 360mW | 200mW | 450mW |
| Pick-up Voltage | ≤6.75VDC | ≤6.75VDC | ≤6.75VDC |
| Drop-out Voltage | ≥0.45VDC | ≥0.45VDC | ≥0.45VDC |
| Rated Current | 40mA | 22.2mA | 50mA |
| Coil Resistance | 225Ω | 450Ω | 180Ω |
| Max Voltage | DC 11.7V | DC 11.7V | DC 11.7V |
| Contact Parameters | Contact Form | SPDT (1C) | |
| Contact Resistance (Initial) | ≤100mΩ (6VDC 0.1A) | ||
| Contact Material | AgNi + Gold Plating | ||
| Rated Value | Rated Load (Resistance Load) | 1A 240VAC/30VDC | |
| 3A 120VAC | |||
| Max. Switching Voltage | 240VAC/30VDC | ||
| Max. Switching Current | 5A | ||
| Max. Switching Capacity | 360VA/30W | ||
| Min. Allowing Load | 5VDC 100mA | ||
| Electrical Performance | Insulation Resistance (Initial) | 1000mΩ (500VDC) | |
| Dielectric Strength (Initial) | Between Open Contacts | 500VAC, 1 min | |
| Between Coil & Contacts | 1000VAC, 1 min | ||
| Operate Time | ≤10ms | ||
| Release Time | ≤5ms | ||
| Mechanical Performance | Shock Resistance | Functional | 98m/s2(10g) |
| Destructive | 980m/s2(100g) | ||
| Vibration Resistance | 10Hz ~ 55Hz 1.5mm DA | ||
| Endurance | Mechanical | 1 x 107ops | |
| Electrical | 1A 240VAC 1 x 105ops (ON/OFF=1s/9s) | ||
| 3A 120VDC 5 x 104ops (ON/OFF=1s/9s) | |||
| Operate Condition | Ambient Temperature | -25℃ ~ 70℃ | |
| Humidity | 5% to 85% | ||
| Termination | PCB (DIP Encapsulation) | ||
| Unit Weight | 5g | ||
| Construction | Plastic Sealed, Flux Proofed |
Note: In order to maintain the initial performance parameters of the signal relay, please be careful not to drop it.
Dimension
Units: mm
Performance curves
Tips: Signal relay troubleshooting
In the process of circuit application, improper operation or other interference factors will lead to signal relay faults. Common faults of signal relays include fuse fusing, wire breaking, sealing-off, screw loosening, coil burnout, bad contact of contacts, bad contact of connectors, bad insulation between lines and mixed power supply of lines. The solutions of the signal relay faults are as follows.
- Mixed line protection circuit
Indoor and signal relay box environment is better, as long as strict construction technology is adopted, mixed line fault rarely occurs in the circuit, so it is no need to take mixed line protection measures. For the outdoor circuit, whether the cables or other wires are used as the connecting line, the possibility of mixed line failure is more likely to occur, and the mixed line protection circuit needs to be adopted. - Disconnection protection circuit
Disconnection fault is far more than mixed fault. The closed circuit method is used to design the signal relay circuit in order to drop the signal relay to protect the circuit in the event of a disconnection fault.
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