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KEMET SPST Through Hole Reed Switch 100 mA 30 V dc OHD5R-40B
Specifications
| Country of Origin | Japan |
|---|---|
| Brand | KEMET |
| Length | 6.7mm |
| Model | OHD5R-40B |
| Depth | 19.1mm |
| Width | 5mm |
| Mount Type | Through Hole |
| Contact Material | Nickel Iron Alloy |
| Series | OHD Thermal Guard |
| Maximum Switching Current | 100mA |
| Maximum Operating Temperature | 150°C |
| Contact Configuration | SPST |
| Minimum Operating Temperature | -20°C |
| Terminal type | Wire |
| Contact Resistance | 300mΩ |
| Maximum Switching Power | 1W |
| Standards/Approvals | RoHS, UL, CSA, TUV |
| Maximum Switching Voltage | 30V dc |
Key Features
- The switch has a SPST contact configuration for simple on/off switching.
- Constructed with nickel iron alloy contacts to provide long operational life and durability.
- Through hole mounting and wire terminals enable easy integration into PCB designs.
- Operates reliably from -20°C to 150°C with high environmental durability.
- Compact dimensions of 5 mm width, 6.7 mm length, and 19.1 mm depth ensure space-saving installation.
- The OHD Thermal Guard series includes a thermally sensitive design for thermal problem countermeasures.
- Compatible with low power signals down to 0.1 mW and high power up to 6 W levels.
- Applications include thermal monitoring in power transistors, modules, heaters, motors, and other appliances.
Product Description
KEMET OHD5R-40B is a single-pole single-throw (SPST) through hole reed switch designed for electrical and automation applications requiring reliable, compact switching solutions. It supports a maximum switching current of 100 mA and a maximum DC voltage of 30 V, making it suitable for low-power circuit designs.
The switch utilizes nickel iron alloy contacts, which provide high reliability and long operational life even under demanding environmental conditions, with an operating temperature range from -20°C to 150°C. The through hole mount and wire terminals simplify PCB assembly and ensure secure connections.
This device belongs to the OHD Thermal Guard series, featuring Thermorite®, a temperature-sensing ferromagnetic material whose magnetic flux density decreases as temperature rises, providing thermal problem countermeasure capabilities. The unique design enables compatibility with signal powers ranging from extremely low (0.1 mW or less) to comparatively high (6 W), offering versatile application scope.
Typical industrial uses include atmospheric temperature detection and overheating monitoring for power transistors, power modules, room heaters, hot gas heaters, programmable power controllers, amplifiers, motors, hard disk drives, floppy disk drives, and similar electronic appliances. Its compact dimensions (5 mm width, 6.7 mm length, 19.1 mm depth) allow for use in space-constrained environments.
The switch features high-speed response and excellent environmental durability. It operates reliably over a broad temperature range for versatile industrial applications. The design is dust, explosion, and corrosion-proof, enhancing safety and longevity.
Its compact and lightweight form factor simplifies integration into various systems. The unique thermal guard design improves performance in thermal monitoring applications.
KEMET's OHD5R-40B reed switch is ideal for use in industrial automation, electrical engineering, HVAC systems, manufacturing equipment, and general-purpose electronic appliances, ensuring effective and reliable switching performance.
Explore more products in the Reed Switch category on EnvMart for complementary components and solutions.
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Frequently Asked Questions
The maximum switching current for this model is 100 mA.
It features a single-pole single-throw (SPST) contact configuration for simple on/off switching.
This switch operates reliably within a temperature range of -20°C to 150°C.
The dimensions are 5 mm in width, 6.7 mm in length, and 19.1 mm in depth.
The contacts are constructed from nickel iron alloy, providing long operational life and durability.
The maximum switching voltage for this model is 30 V DC.
It is suitable for applications such as thermal monitoring in power transistors, modules, heaters, and motors.
This model features a through hole mounting design, which simplifies integration into PCB designs.
The maximum switching power for this switch is 1 W.
It complies with RoHS, UL, CSA, and TUV standards.
This model uses wire terminals for secure connections.
It belongs to the OHD Thermal Guard series, which includes a thermally sensitive design.
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