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Power Relays
G5NB PCB Relay
A Miniature Relay with 1-pole 3-A Switching Capability and 10-kV Impulse Withstand Voltage
- Highly efficient magnetic circuit for high sensitivity (200 mW).
- Small, yet provides 10-kV impulse withstand voltage (between coil and contacts).
- Standard model conforms to UL and CSA and VDE standards.
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Updated April 18, 2011
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This web page provides an excerpt from a datasheet.
Refer to Datasheetand other applicable documents for more information.
Refer to Datasheetand other applicable documents for more information.
| Classification | Contact form | Enclosure ratings | Model |
|---|---|---|---|
| Standard | SPST-NO | Flux protection | G5NB-1A |
| Note: | When ordering, add the rated coil voltage to the model number. Example: G5NB-1A  |
| Rated voltage | 5 VDC | 12 VDC | 18 VDC | 24 VDC |
|---|---|---|---|---|
| Rated current | 40.0 mA | 16.7 mA | 11.1 mA | 8.3 mA |
| Coil resistance | 125 Ω | 720 Ω | 1,620 Ω | 2,880 Ω |
| Must operate voltage | 75% max. of rated voltage | |||
| Must release voltage | 10% min. of rated voltage | |||
| Max. voltage | 180% of rated voltage (at 23ºC) | |||
| Power consumption | Approx. 200 mW | |||
| Note: | 1. | The rated current and coil resistance are measured at a coil temperature of 23ºC with a tolerance of ±10%. |
| 2. | The operating characteristics are measured at a coil temperature of 23ºC. | |
| 3. | The “Max. voltage” is the maximum voltage that can be applied to the relay coil. |
Contact Ratings
| Load | Resistive load (cosφ = 1) | |||
|---|---|---|---|---|
| Rated load | 3 A at 125 VAC, 3 A at 30 VDC | |||
| Max. switching voltage | 250 VAC, 30 VDC | |||
| Max. switching current | 3 A | |||
| Max. switching power | 375 VA, 90 W | |||
| Failure rate (reference value) | 10 mA at 5 VDC | |||
Characteristics
| Contact resistance (See note 2.) | 100 mΩ max. | ||||
|---|---|---|---|---|---|
| Operate time | 10 ms max. | ||||
| Release time | 10 ms max. | ||||
| Insulation resistance (See note 3.) | 1,000 MΩ min. (at 500 VDC) | ||||
| Dielectric strength | 4,000 VAC, 50/60 Hz for 1 min between coil and contacts 750 VAC, 50/60 Hz for 1 min between contacts of same polarity |
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| Impulse withstand voltage | 10,000 V (1.2 x 50 μs)between coil and contacts | ||||
| Vibration resistance |
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| Shock resistance | Destruction: 1,000 m/s2 Malfunction: 100 m/s2 |
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| Endurance | Mechanical: 5,000,000 operations min. Electrical: 200,000 operations min. |
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| Failure rate P level (reference value) (See note 4.) |
5 VDC, 10 mA | ||||
| Ambient temperature | Operating: -40ºC to 70ºC (with no icing or condensation) | ||||
| Ambient humidity | Operating: 5% to 85% | ||||
| Weight | Approx. 4 g |
| Note: | 1. | The data shown above are initial value. |
| 2. | Measurement conditions: 5 VDC, 1 A, voltage drop method | |
| 3. | Measurement conditions: Measured at the same points as the dielectric strength using a 500-VDC ohmmeter. | |
| 4. | This value is for a switching frequency of 120 operations/minute. |
G5NB-1A  |
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| PCB Mounting Holes (BOTTOM VIEW) Tolerance: ±0.1 mm  |
Terminal Arrangement / Internal Connections (BOTTOM VIEW)  (No coil polarity) |
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