2JT1 921

2JT1-921

2JT1-921 Space & MIL-Spec TO-5 Relay

  • The relay adopts full fusion welding seal, spacing of 2.54mm with a standard grid terminal. It has two sets of switch contact, Its load current as low as 1A. It has the features of small volume, light weight, resistance to vibration, impact resistant, long service life, there is a diode that installed inside the relay coil, the diode has a moment inhibition function, It is suitable for the aerospace, aviation, weapons, ships and other electronic equipment, it is used to switch the electric circuit.
Category:

2JT1-921 TO-5 Relays

Environmental Characteristics

Environmental Specifications
Quality Grade – Ⓙ, G
Environment Grade – II IV –
Temperature Range (℃) -55~+85
Relative Humidity (40±2) ℃, 90%~95%
Low Pressure (kPa) 4.39
Vibration (Hz) 10~2000 10~2000 10~3000
(m/s2) 147 196 294
Random Vibration (m/s2)2/Hz) 10 20 40
Shock (m/s2) 490 735
Acceleration (m/s2) 490 735

 

Electrical Characteristics

Contact Arrangement 2 Form C (DPDT) Operate Time (ms) ≤2.0
Coil Operating Power (W) 0.5 Release Time (ms) ≤4.0
Leak Rate (atm.cm3/s) ≤1 X 10-9 Contact Load Ratings Resistive 1.0A, 28V d.c.

Contact Resistance

(Ω)

 Initial ≤0.1
After life ≤0.2 Low level 10µA~50µA, 10mV~50mV
Insulation Resistance

(MΩ)

 25℃ ≥10000 (500V d.c.) Contact Life Ratings 1 X 105Cycles
125℃ ≥1000 (500Vd.c.)
Dielectric Strength

Vr.m.s.(50Hz)

 Normal ≥500
Low pressure ≥125 Contact Overload Rating DC, 2.0A, 28V d.c., 100 Cycles
Mass(g) ≤2.55 Reverse Voltage ≤1.5 Times Nominal Voltage

 

Detailed Electrical Specifications (-55℃ to 85℃) Vd.c.

Coil Code Coil Voltage 25℃ -55℃ to 85℃
Nominal Maximum Coil Resistance (1±10%) Ω Pick-up Voltage max Drop-out Voltage min Pick-up Voltage max Drop-out Voltage min
005 5 5.8 50 3.5 0.22 4.5 0.14
006 6 8.0 98 4.2 0.28 5.2 0.18
009 9 12.0 220 6.3 0.54 8.0 0.35
012 12 16.0 390 8.4 0.63 10.3 0.41
018 18 24.0 880 12.2 0.91 15.4 0.59
027 27 32.0 1560 18.0 1.37 23.0 0.89

 

 

Outline Dimensions

Connection Diagram

Resistive Load
 2JT1 921 Outline Dimensions

WIRE LEAD TYPE L(mm)
1 5±0.5
2 12.5min

NOTE: Sensitivity direction of vibration: Z

 2JT1 921 Connection Diagram
Viewed from bottom side		 2JT1 921 Resistive Load

 

Order mark

  • Quality Grade Ⓙ and G

Example: 2JT1-921-27-1 (Non-Environment Grade)

2JT1-921 – 27 – 1
Relay Series Coil Code Wire Lead Type

 

Example: 2JT1-921 / IV 27–1 (Environment Grade)

2JT1-921 / IV 27 – 1
Relay Series Environment Grade Coil Code Wire Lead Type

SPECIFICATIONS: Q/RY.J01169-2010

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