1JT25-1 Small General-Purpose Relay
Environmental Characteristics
| No. | Parameter | Environmental Specification | ||
| 1 | Quality Grade | Ⓙ, G | ||
| II | IV | |||
| 2 | Temperature Range | (℃) | -55~85 | |
| 3 | Relative Humidity | |||
| 4 | Low Pressure | (kPa) | 11.59 | |
| 5 | Sinusoidal Vibration | (Hz) | 10~2000 | |
| (m/s2) | 150 | 196 | ||
| 6 | Random vibration | (m/s2)2/Hz | 10 | 20 |
| 7 | Shock | (m/s2) | 500 | 735 |
| 8 | Constant Acceleration | (m/s2) | 500 | 735 |
Main Characteristics
| Contact Arrangement | SPDT | Operating Time (ms) | ≤15 | ||
| Coil Power (W) | 2.2 | Release Time (ms) | ≤15 | ||
| Leak Rate (Pa.cm3/s) | ≤1×10-2 | Load Ratings | Resistive | 25A,28V d.c. | |
| Contact Resistance(Ω) | Initial | ≤0.02 | Low level |
10μA~50μA, 10mV~50mV |
|
| After Life | ≤0.05 | Life Time (Cycles) | 5×103 | ||
| Insulation Resistance (MΩ) | Normal | ≥500(500Vd.c.) | |||
| High Temp./Humidity | ≥10(500Vd.c.) | Overload rating | Resistive, 50A, 28V d.c. | ||
| Dielectric Strength (50Hz) | Normal | ≥500 | |||
| Low pressure | ≥250 | Weight (g) | ≤60 | ||
Electrical Specification
| Specification No. | Coil Voltage | 25℃ | Overall Temperature Range | ||||
| Normal | Max | Coil resistance (Ω)
(1±5%) Ω |
Operating Voltage max | Release Voltage (min) | Operating Voltage max | Release Voltage (min) | |
| 028 | 28 | 30 | 340 | 18 | 2 | 23 | 1 |
Dimensions |
|
 |
 |
| Mounting Style B (3) | Mounting Style C (2) |
| Note: Vibration sensitive direction: Vertical | |
Circuit Diagram |
Resistive Load Diagram |
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 |
Order Mark
- G grade military product：
Example: 1JT25-1/II28B
| 1JT25-1 | / | II | 28 | B |
| Product number | Environmental rating | Coil voltage | Mounting style |
Detailed specification: RY4.500.011JT
