Signal Relays, Up to 2 Amps

Part Number	Description / PDF	Quantity
3SBC2096A2 TE Connectivity Aerospace Defense and Marine	RELAY GEN PURPOS DPDT 2A 26.5VDC	0
J1MAC-26XM TE Connectivity Aerospace Defense and Marine	RELAY GEN PURPOS SPDT 1A 26.5VDC	0
2-1617011-2 TE Connectivity Aerospace Defense and Marine	3SAE2533A2 = 2PDT FULL SIZE S	0
1-1617086-7 TE Connectivity Aerospace Defense and Marine	3SBM1164A2 = RELAY	0
3SBC5004K1 TE Connectivity Aerospace Defense and Marine	RELAY GEN PURPOS DPDT 2A 26.5VDC	0
HMS1201S110P TE Connectivity Aerospace Defense and Marine	RELAY GEN PURPOSE DPDT 2A 12VDC	0
HFW1131K04M TE Connectivity Aerospace Defense and Marine	RELAY GEN PURPOS DPDT 2A 26.5VDC	80
HMS1201S004 TE Connectivity Aerospace Defense and Marine	RELAY GEN PURPOS DPDT 2A 26.5VDC	12
JMACD-26XM TE Connectivity Aerospace Defense and Marine	RELAY GEN PURPOS DPDT 1A 26.5VDC	5
PRMAC-26X TE Connectivity Aerospace Defense and Marine	RELAY GEN PURPOS DPDT 1A 26.5VDC	23
1617016-4 TE Connectivity Aerospace Defense and Marine	3SBK1060A2 = 2PDT FULL SIZE GR	0
1617054-9 TE Connectivity Aerospace Defense and Marine	SFT7157S01 = SFT7000 200C HIGH	0
HFW1201K45M TE Connectivity Aerospace Defense and Marine	RELAY GEN PURPOS DPDT 2A 26.5VDC	507
JMAC-26XMS TE Connectivity Aerospace Defense and Marine	RELAY GEN PURPOS DPDT 1A 26.5VDC	0
HFW1130K06P TE Connectivity Aerospace Defense and Marine	RELAY GEN PURPOS DPDT 2A 26.5VDC	0
3SBC5004K1R TE Connectivity Aerospace Defense and Marine	RELAY GEN PURPOS DPDT 2A 26.5VDC	0
JMSC-26XPS TE Connectivity Aerospace Defense and Marine	RELAY GEN PURPOS DPDT 1A 26.5VDC	0
JMGACD-5MW TE Connectivity Aerospace Defense and Marine	RELAY GEN PURPOSE DPDT 1A 5VDC	0
J1MAPD-26XM TE Connectivity Aerospace Defense and Marine	RELAY GEN PURPOS SPDT 1A 26.5VDC	0
JMAP-26XL TE Connectivity Aerospace Defense and Marine	RELAY GEN PURPOS DPDT 1A 26.5VDC	0

Signal Relays, Up to 2 Amps

1. Overview

Signal relays with ratings up to 2 amps are electromechanical or solid-state switching devices designed to control low-power electrical circuits. These components enable signal transmission isolation, circuit amplification, or switching automation in modern electronic systems. Their compact size and precise control capabilities make them essential in automation, telecommunications, and precision instrumentation systems.

2. Major Types and Functional Classification

Type	Functional Characteristics	Application Examples
Electromagnetic Relays	Mechanical switching via electromagnetic coil, standard form factor	Industrial control panels, HVAC systems
Solid-State Relays	No moving parts, zero-crossing switching, fast response	Temperature control systems, LED lighting
Reed Relays	Hermetically sealed contacts, high-speed operation	Telecom switching, test equipment
Time Delay Relays	Programmable switching intervals	Machinery automation, motor starters
High-Frequency Relays	Designed for RF/microwave signal paths	Wireless infrastructure, radar systems

3. Structure and Components

Typical construction includes:

Coil assembly (copper winding on bobbin)
Contact system (fixed and movable contacts)
Insulation housing (flame-retardant polymer)
Magnetic circuit (iron core and yoke)
Terminal system (PCB pins or screw terminals)

Advanced models incorporate EMI suppression circuits and LED status indicators.

4. Key Technical Parameters

Parameter	Typical Value	Importance
Rated Current	1-2 A resistive	Determines load capacity
Coil Voltage	5-48 VDC nominal	Dictates control circuit design
Contact Resistance	<50 m	Impacts signal integrity
Insulation Resistance	>100 M	Safety isolation performance
Mechanical Life	10-100 million operations	Durability indicator
Switching Speed	5-15 ms (EMR), <1 ms (SSR)	System response time

5. Application Fields

Industrial automation (PLCs, sensor interfaces)
Telecom infrastructure (signal routing switches)
Medical equipment (diagnostic device controls)
Smart home systems (HVAC thermostats)
Test & measurement (ATE machine interfaces)

6. Leading Manufacturers and Products

Manufacturer	Product Series	Key Features
Omron	G5LE-14-DC5	5 mm spacing, 2 A rating
Phoenix Contact	PSR-SCP-24UC	Plug-in design, LED indicators
TE Connectivity	RTX-S-DC5V	Automotive qualified
Siemens	3RT2025	Modular mounting system

7. Selection Recommendations

Key considerations:

Load type (resistive/inductive)
Environmental conditions (temperature/humidity)
Required make/break cycles
Regulatory certifications (UL/CSA/IEC)
PCB footprint constraints

Example: For medical equipment, select RoHS-compliant reed relays with 1.5 A rating and reinforced insulation.

8. Industry Trends

Current developments include:

Transition to surface-mount solid-state alternatives
Integration with IoT-enabled monitoring systems
Nanocoating for harsh environment protection
Increased adoption of 1 Form C contacts
Miniaturization (sub-10 mm package development)

Market forecasts predict 5.2% CAGR through 2027 driven by industrial automation growth.