Woodward 5441‑635 Opto‑Isolator Module for Industrial Signal Protection and Noise Immunity
Woodward 5441‑635 Opto‑Isolator Module for Industrial Signal Protection and Noise Immunity
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Brand:Woodward Item No.:Woodward 5441‑635 Product Origin:USA Product Dimensions:25 × 12 × 8 mm Product Weight:1.13 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The Woodward 5441‑635 is a compact opto‑isolator (optocoupler) module designed for reliable electrical signal transmission between isolated circuits while providing critical galvanic isolation in industrial systems. It safeguards sensitive control electronics from voltage spikes, electrical noise, and ground‑loop issues, ensuring signal integrity and robust performance in automation, power electronics, and control environments. Its versatile design and high isolation capability make it an essential component for engineers focused on dependable signal interfacing and protection.
Technical Specifications
Specification
Details
Model
Woodward 5441‑635
Module Type
Opto‑Isolator / Optocoupler
Manufacturer
Woodward
Function
Electrically isolated signal transmission
Isolation Voltage
Up to ~5 kV
Input Current Range
10–20 mA
Output Voltage
~5 V (dependent on load)
Data Rate
Up to ~10 Mbps
Operating Temp.
40 °C to +85 °C
Response Time
< 100 ns
Package
8‑pin module (DIP/SOIC style)
Mounting
Surface mount or through‑hole
Dimensions (Approx.)
25 × 12 × 8 mm (module body)
Weight
~0.001 kg (1.13 kg packaged)
Recommended Related Models
Woodward 5441‑409 – High‑capacity relay interface for broad load control
Woodward 5441‑689 – PLC relay module with optically isolated inputs
Woodward 5441‑693 – Discrete I/O field terminal module for signal interfacing
Woodward 5441‑419 – ISO relay interface with enhanced electrical separation
Field termination kits and shielding harnesses for robust wiring environments
Popular Woodward Industrial Connectivity & Signal Protection Options
Low drag shielded communication cables (for analog/digital paths)
Isolation modules for noise suppression in control circuitry
Relay interfaces for discrete switching needs
Power distribution & termination panels for robust cabinet design
Application Areas
The 5441‑635 excels where safe and isolated signal transmission is critical:
Industrial automation control signal protection
PLC/DCS signal interfacing in noisy electrical environments
Isolation between control loops and power electronics
Protection against voltage surges and ground loops
Embedded control boards in turbine, generator, and engine systems
Key Advantages
Galvanic Isolation for Safety – Protects sensitive circuitry by eliminating direct electrical connections.
High Isolation Voltage – Capable of handling significant voltage differentials.
Fast Signal Transmission – High data rate with quick response time for real‑time systems.
Wide Temperature Range – Operates reliably across industrial temperature extremes.
Compact & Versatile – Small footprint allows integration into tight board spaces.
Technical FAQs
1. What is the main purpose of the Woodward 5441‑635?
It is an opto‑isolator module that provides electrical isolation for signal transmission between circuits.
2. What does “isolation voltage” mean?
It’s the maximum voltage difference the module can safely isolate between input and output.
3. What voltage range does it handle?
Typical isolation capability is rated up to ~5 kV.
4. Does it support high‑speed signals?
Yes, it supports data transmission up to about ~10 Mbps.
5. What is its operating temperature range?
It works from approximately –40 °C up to +85 °C.
6. Is the module surface mounted?
It can be mounted via surface mount or through‑hole, depending on board design.
7. What’s the typical package type?
Usually available in an 8‑pin DIP or 8‑pin SOIC package.
8. Where is this module commonly used?
In industrial automation, power electronics, and control signal interfaces where noise and voltage spikes are concerns.
9. Does it require external components?
Often connected within a larger control board with necessary resistors or drivers.
10. Is it original Woodward hardware?
Yes, it is manufactured in the USA by Woodward.
