2JT2-3 Ultra-small General-Purpose Relay
Environmental Characteristics
| No. | Parameter | Environmental Specification | |||||||
| 1 | Quality Grade | Ⓙ, G | G+ | J/K | GJB | ||||
| II | IV | ||||||||
| 2 | Temperature Range | (℃) | -55~85 | -55~105 | -55~125 | -65~125 | |||
| 3 | Relative Humidity | (40±2) ℃, 90%~95% | |||||||
| 4 | Low Pressure | (kPa) | 1 | 0.27~0.013 | 0.67~0.13 | 4.39 | |||
| 5 | Sinusoidal Vibration | (Hz) | 10~2000 | 10~3000 | |||||
| (m/s2) | 147 | 196 | 294 | ||||||
| 6 | Random vibration | (m/s2)2/Hz | — | 10 | 20 | 30 | |||
| 7 | Shock | (m/s2) | 490 | 735 | 980 | ||||
| 8 | Constant Acceleration | (m/s2) | 490 | 735 | 980 | ||||
Main Characteristics
(The following table list GJB product indicators, other quality levels, please refer to their respective specifications)
| Contact Arrangement | DPDT | Operating Time (ms) | ≤5 | ||
| Coil Power (W) | ≤0.58 | Release Time (ms) | ≤5 | ||
| Leak Rate (Pa.cm3/s) | ≤1×10-3 | Load Ratings | Resistive | 2A, 28V d.c. | |
| Contact Resistance(Ω) | Initial | ≤0.05 | |||
| After Life | ≤0.1 | Inductive | 0.2A, 28V d.c., 200mH | ||
| Insulation Resistance (MΩ) | Normal | ≥10000(100Vd.c.) | Lamp | 0.2A, 28V d.c. | |
| High Temp./Humidity | ≥100(100Vd.c.) | Low level | 10~50 µA, 10mV~50mV | ||
| Dielectric Strength (50Hz) | Normal | ≥500 | Life Time (Cycles) | 1×105 | |
| Low pressure | ≥350 | ||||
| Weight (g) | Terminal type 1: ≤4.8
Terminal type 7: ≤5.2 |
Overload rating |
Resistive, 4A, 28V d.c., 100 cycles |
||
| Failure rate | M level | ||||
Electrical Specification
(Note: The values before the brackets in the table are the operating voltages of the J/K products, and the operating voltages of the other quality grades are in the brackets.)
| Coil Voltage (V d.c.) | 25 ℃ | Overall Temperature Range | |||
| Rating | Coil resistance
(1±10%) Ω |
Operating Voltage V d.c. (max) | Release Voltage V d.c. (min) | Operating Voltage V d.c. (max) | Release Voltage V d.c. (min) |
| 5 | 64 | 3.5 | 0.3(0.4) | 4.4 | 0.1 (0.2) |
| 9 | 200 | 6.0 | 0.8 | 7.8 | 0.2 (0.3) |
| 12 | 300 | 8.0 | 1.0 | 10.0 | 0.4 |
| 18 | 800 | 13.0 | 1.2 | 15.5 | 0.6 |
| 24 | 1350 | 15.5 (16.5) | 1.7 | 19.5 (20.5) | 0.8 |
| 28 (Exclusive) | 1350 | 16.5 | 2.0 | 20.5 | 0.9 |
| 28 | 2000 | 18.0 | 2.0 | 24.0 (23.0) | 1.0 |
Dimensions |
||||||||
 |
 |
 |
||||||
| Mounting Style A(0) | Mounting Style C(2) | Mounting Style B (3) | ||||||
Note: Vibration sensitive direction: Horizontal
|
||||||||
Circuit Diagram |
Resistive Load Diagram |
 |
 |
Order Mark
- GJB standard product:
Example: J65/RY20064-028 M/01 2JT2-3
| J | 65 | / | RY20064 | – | 028 | M | / | 0 | 1 | 2JT2-3 |
| Military sign | General specification | Detailed specification number | Coil voltage | Failure rate | Mounting style | Terminal form | Product number |
Detailed specification： ZZR-Q/RY20064-2006
- J/K grade product:
Example: J65/RY20042-028 L/01 2JT2-3
| J | 65 | / | RY20042 | – | 028 | L | / | 0 | 1 | 2JT2-3 |
| Military sign | General specification | Detailed specification number | Coil voltage | Failure rate | Mounting style | Terminal form | Product number |
Detailed specification： Q/RY20042-2003
- J, G, G+ grade products:
Example: 2JT2—3/IV 28B Quality level (in accordance with environmental level)
| 2JT2—3 | / | IV | 28 | B |
| Product number | Environmental rating | Coil voltage | Mounting style |
G+ grade specification: Q/RYJ0144-99
J, G grade specification: RY4.521.093JT
