Model No.: JRW-221MA TO-5
Brand: YM
Output: Dc
Relay Type: Telecom
Ambient Temperature: -55℃~85℃
Sinusoidal Vibratio: 15g,(10~2000)Hz
Randomvibrati: 0.2g²/Hz,169.1m/s
Cyclone: 4kPa
Coil Power Consumptio N: ≤0.5W
Dielectric Withstand Voltage: Normal atmospheric pressure: 500Vr.m.s., 50Hz Under low pressure: 125Vr.m.s., 50Hz
Contact Load And Lifee: Resistance, 1A,28 Vd.c., 2×10⁴ times Resistance, 0.5A,28 Vd.c., 1×10⁵ times Low level, (10-50)μA, (10-50) mV, 1×10⁵ times
Insulation Resistance: ≥ 1 0 0 0 0 M Q
Contact Resistance: Initial value≤100mΩ Life test after≤200mΩ
Tightness: Leakage rate≤10³ Pa· cm³/s
The JRW-221MA Military Metal Relay is engineered as a superior replacement for Teledyne 114D series components, featuring advanced coil transient suppression and 4KPa hermetic sealing with reverse polarity protection. As a sophisticated Military Metal Sealing Relay with TO-5 package standardization, this component provides enhanced electromagnetic compatibility and system protection for modern aviation, military, and industrial applications requiring both authentic Teledyne replacement and advanced noise reduction capabilities in sensitive electronic environments.

The JRW-221MA incorporates integrated coil transient suppression that significantly reduces electromagnetic interference (EMI) and radio frequency interference (RFI), providing superior performance in sensitive electronic systems compared to standard Aviation DC Relays or basic PCB Board Relays without EMI protection.
Maintaining exact TO-5 package compatibility and electrical characteristics, this relay ensures seamless Teledyne 114D series replacement while offering enhanced protection features. This approach provides better system reliability than generic Automotive Relays or standard Industrial Power Relays for sensitive applications.
With combined reverse polarity protection and 4KPa hermetic sealing, the JRW-221MA offers multi-layered system protection against installation errors and environmental contaminants, providing advantages over standard PCB Signal Relays and basic Flash Relays in demanding applications.
Our expertise in Military Electromagnetic Relays and Sealed Magnetic Latching Relays enables development of replacement components that incorporate modern EMI protection while maintaining authentic compatibility with legacy Teledyne systems.
The JRW-221MA meets:
Enhanced manufacturing includes:
Coil transient suppression reduces electromagnetic interference that can disrupt sensitive electronics, improve signal integrity, and prevent false triggering in adjacent circuits, providing critical advantages in systems with sensitive instrumentation or communication equipment.
Yes, the JRW-221MA maintains exact TO-5 package and electrical compatibility while adding enhanced EMI protection and reverse polarity protection features for improved system reliability.
While standard DPDT 8Pin 27V Relay designs focus on basic switching, the JRW-221MA specifically incorporates advanced EMI protection and system safety features while maintaining legacy TO-5 compatibility.
Each batch undergoes comprehensive electromagnetic compatibility testing including transient suppression verification, EMI emissions testing, and performance validation in sensitive electronic circuits.
Yes, our engineering team can develop custom transient suppression configurations based on specific application EMI requirements and system compatibility needs.