2JB2-1 Magnetic Latching Relays

  • This product is a 1/2 crystal cover standard volume magnetic latching relay. All the parameters meet the requirements of GJB65B general specification. It has the characteristics of high reliability, large life index and has passed vacuum cold-welding environmental examinations. It can be used for aerospace, aviation and ground equipment switching circuits and transmitting signals.

Description

2JB2-1 Magnetic Latching Relays

Environmental Characteristics

NO. Items Environmental Specification
1 Quality Grade Ⓙ, (G) Space Grade GJB
CASTC CASTB
2 Temperature Range (℃) -55~85 -65~125
3 Relative Humidity (40±2) ℃, 90%~95%
4 Low Pressure (kPa) 0.27~0.013
5 Sinusoidal Vibration (Hz) 10~2000 10~3000
(m/s2) 147 196 294 294
6 Random Vibration ((m/s2)2/Hz) 30 40
7 Shock (m/s2) 490 735 980
8 Acceleration (m/s2) 490 735 980

 

Electrical Characteristics (GJB grdae)

Contact Arrangement DPDT Operating Time (ms) ≤8
Coil Power (W) ≤0.87 Release Time (ms)
Leak Rate (Pa.cm3/s) ≤1×10-3 Load Ratings Resistive 2A,28Vd.c.
Contact Resistance(Ω) Initial ≤0.05
After Life ≤0.1 Inductive 0.5A,28Vd.c.,200mH
Insulation Resistance (MΩ) Normal ≥10000(100Vd.c.) Light 0.1A,28Vd.c.
High Temp./Humidity ≥100(100Vd.c.) Low level

10μA~50μA,

10mV~50mV

Dielectric Strength

(50Hz)

Normal ≥750 Life Time (Cycles) 1×105(G: 1×104)
Overload rating

Resistive 4A, 28Vd.c.,

100 cycles

Low Pressure ≥200 Reliability Grade M
Weight (g) ≤12

 

Electrical Specification

Coil Voltage 25℃ -65℃ – 125℃
Normal Max Coil resistance

(1±10%) Ω

Pick-up Voltage
max
Drop-out Voltage
min
Pick-up Voltage
max
Drop-out Voltage
min
5 7 33 3.4 4.5
12 15 200 7.7 10.3
28 32 900 18.0 24.0

 

Dimension
Installation method A(0) Installation method B(3) Installation method C(1)
Note: sensitive to vibration direction: horizontal direction

 

Circuit Diagram Resistive Load Diagram

 

Order mark

  • China National Military Standard Product

Example: J65B/RY20086-028M/01 2JB2-1

J 65B / RY20086 028 M / 0 1 2JB2-1
GJB General specification       No. Detailed specification       No. Coil voltage Reliability grade Installation method Terminal pin type Part No.

Detailed specification: ZZR-Q/RY20086-2010

 

  • Aerospace grade products

Example: CBJ65B/RY20086-028M/01 2JB2-1

CB J 65B / RY20086 028 M / 0 1 2JB2-1
CAST B mark GJB General specification       No. Detailed specification       No. Coil voltage Reliability grade Installation method Terminal pin type Part No.

Detailed specification: CASTPS06/003-2006

 

  • J, G grade

Example: 2JB2-1/IV 28B Quality level (in accordance with environmental level)

2JB2-1 / IV 28 B
Part No. Environmental Class Coil voltage Installation method

Detailed specification: RY4.521.103 JT