Product Attributes

Model No.: JRW-211M TO-5

Brand: YM

Output: Dc

Relay Type: Telecom

Ambient Temperature: -65℃~125℃

Sinusoidal Vibration: 30g,(10～3000)Hz

Random Vibration: 0.4g²/Hz,239.1m/s²

Cyclone: 4.39kPa

Accelerated Speed: L grade: 50g, M grade: 100g

Coil Power Consumption: ≤0.5W

Contact Load And Life: Resistance, 1A,28 Vd.c., 1× 10⁵ times Resistance, 0.25A,115 Va.c., 1×10⁵ times Low level (10-50) μA, (10-50) mV, 1×10⁵ times

Weight: ≤2.55g

Military Aviation Metal Relay JRW-211M TO-5: Premium Sealed Relay for Demanding Applications

YM presents the JRW-211M, a high-performance, military-grade Military Metal Sealing Relay engineered for exceptional reliability in critical aviation, aerospace, and military systems. Designed as a superior direct replacement for legacy components like the Teledyne 412 and Deutsch TS series, this 27V DC Relay delivers unmatched durability in extreme environmental conditions.

This Aviation Latching Relay features a robust TO-5 metal hermetic seal, ensuring ultimate protection against contaminants, moisture, and shock. It is the ideal solution for PCB Board Relay integration in drone flight controllers, aircraft engine management systems, and other high-vibration platforms where failure is not an option.

Product Images

JRW-211M Military Aviation Metal Relay - Primary View

JRW-211M Relay comparison and specification diagram

JRW-211M Dimensional drawing and sealing detail

Features & Advantages

The JRW-211M stands out in the Military Metal Relay category with its exceptional design and performance metrics.

Core Performance Benefits

Extreme Environment Ready: Hermetically sealed metal casing guarantees operation under low pressure, high humidity, and wide temperature ranges.
Superior Electrical Life: Engineered for 1x10^6 operations at 1A, 28V DC resistive load, ensuring long-term system integrity.
Ultra-Fast Switching: Action and release time ≤4ms, enabling precise control in high-speed circuits, comparable to advanced PCB Signal Relays.
High Reliability Contacts: Initial contact resistance ≤50mΩ, maintaining stable performance even after extensive lifecycle testing.
Low Power Consumption: Coil power consumption between 0.3W and 0.43W, optimizing energy efficiency in power-sensitive designs.

Our Manufacturing Edge

YM's expertise in Industrial Power Relay manufacturing ensures the JRW-211M is produced with stringent process control. This focus on quality makes it a reliable alternative not just for military aviation but also for demanding Automotive Relay and New Energy Relay applications where sealing and durability are paramount.

Technical Specifications

Electrical Parameters

Coil Voltage: 27V DC (Standard). Other voltages available upon request.
Coil Power Consumption: (0.3 ~ 0.43)W.
Contact Rating (Resistive): 1A @ 28V DC.
Electrical Life: 1 x 10^6 operations at rated load.
Low-Level Switching: Capable of (10~50)μA, (10~50)mV for 1x10^6 operations.
Contact Resistance: Initial ≤50mΩ; Post-life test ≤200mΩ.
Switching Time: Actuation & Release Time ≤4ms.

Mechanical & Environmental Parameters

Dielectric Strength: 500Vr.m.s., 50Hz (at normal pressure); 250Vr.m.s., 50Hz (at low pressure).
Insulation Resistance: >500MΩ (normal); >50MΩ (post high-level life test).
Weight: <3 grams.
Seal Integrity (Helium Leak Rate): ≤ 1.0 x 10^-3 Pa·cm³/s.
Construction: TO-5 Metal Hermetic Package.

How to Integrate the JRW-211M Relay

Follow these general steps for reliable implementation. Always refer to the complete datasheet for your specific design.

Circuit Verification: Confirm your driver circuit provides the correct 27V DC coil voltage and falls within the specified power consumption range.
PCB Layout: Design PCB footprint according to the TO-5 pinout. Ensure adequate creepage and clearance distances for high-voltage isolation.
Soldering: Use appropriate temperature-controlled soldering techniques to prevent damage to the hermetic seal.
Testing: Post-installation, verify switching function, contact resistance, and insulation resistance to ensure no damage occurred during assembly.
Environmental Protection: While the relay is sealed, ensure the surrounding board is adequately conformal coated if used in harsh environments.

Application Scenarios

The JRW-211M is designed for mission-critical switching where failure can lead to system loss.

Primary Industries

Military & Aviation: Flight control systems, engine monitoring units (PCB Board Relay), communication equipment, and ground support vehicle controls.
Unmanned Systems (Drones/UAVs): Power distribution, payload control, and motor management in reconnaissance and delivery drones.
High-Reliability Industrial: Safety interlocks, precision instrumentation, and control modules in oil & gas, marine, and railway systems.
Emerging Technology: Can be adapted for auxiliary control functions in New Energy Relay applications like battery management systems (BMS) where sealed components are advantageous.

Value Proposition for Buyers

Reduce System Downtime: Exceptional longevity and reliability minimize maintenance and replacement cycles.
Simplify Sourcing: Direct drop-in replacement for obsolete or hard-to-find Teledyne and Deutsch relays, easing supply chain constraints.
Mitigate Risk: Military-grade construction reduces the risk of field failures in expensive systems, protecting your brand reputation.
Design Flexibility: The compact, sealed TO-5 package allows for use in space-constrained and environmentally challenged designs.

Quality & Production Process

YM's manufacturing philosophy ensures every Solid State Relay and electromechanical component like the JRW-211M meets the highest standards.

Our Controlled Process

Precision Engineering: Components are manufactured in a clean, controlled environment using automated machinery for consistency.
100% Testing: Every relay undergoes rigorous electrical testing for contact resistance, pull-in/drop-out voltage, insulation resistance, and dielectric strength.
Hermetic Seal Verification: Batch-level helium leak testing is performed to guarantee the integrity of the TO-5 seal, a critical step for a true Military Metal Sealing Relay.
Lifecycle Sampling: Aggressive life cycle and environmental stress testing are conducted on production samples to validate long-term performance claims.

Frequently Asked Questions (FAQ)

Q1: Is the JRW-211M a direct replacement for the Teledyne 412 relay?

A1: Yes, the JRW-211M is designed as a form, fit, and function compatible upgrade and replacement for the Teledyne 412 series, often with improved performance parameters. Always verify pinout and coil specifications against your specific requirements.

Q2: What is the key difference between a "metal seal" and a plastic epoxy seal?

A2: A true hermetic metal seal (TO-5 package) provides a complete gas-tight barrier, preventing atmospheric gasses and moisture from entering the relay cavity over decades. Plastic or epoxy seals can allow gradual moisture ingress, which can lead to contact oxidation and failure in harsh environments.

Q3: Can this relay be used for both low-level signal and standard power switching?

A3: Absolutely. The JRW-211M is tested and rated for both standard 1A/28V DC resistive loads and very low-level switching (microwolts/microamps), making it a versatile DPDT 8Pin 27V Relay for mixed-signal control boards.

Q4: Does YM offer customization for this relay model?

A4: Yes. While the JRW-211M is a standard item, YM specializes in relay solutions. We offer customization options including different coil voltages, lead configurations, and special testing protocols for OEM and ODM projects across our product lines, including Polarized Relay JH-2S and Sealed magnetic Latching Relay variants.

Q5: How does the JRW-211M compare to a standard Industrial Power Relay?

A5: The JRW-211M surpasses standard industrial relays in its ability to withstand extreme environments (vibration, shock, temperature cycling, low pressure) due to its military-grade design, metal hermetic sealing, and rigorous testing protocols. It is built for applications where standard relays would have a reduced lifespan.