Optical couplers typically range from a few dollars for basic optocouplers to $50–$200 or more for specialized fiber optic couplers, depending on type, specifications, and quantity.

Fiber Optic Couplers

Fiber optic couplers are used to split or combine optical signals in networks. Prices vary widely based on type, mode, and performance:

• Singlemode and Multimode Couplers: Standard 1x2 or 2x2 couplers can cost $20–$100 per unit, depending on brand and quality .
• Planar Lightwave Circuit (PLC) Couplers: High-precision couplers for stable signal distribution may range from $50–$200 .
• Specialty Couplers: WDM couplers, high-power couplers, or dual-window couplers often require custom quotes, with prices increasing for low insertion loss or high directivity .
• Bulk Packs: Retailers like Amazon offer packs of LC couplers (e.g., 20-pack single-mode LC couplers) for $30–$60, which is cost-effective for large installations .

Electronic Optocouplers

Optocouplers (photocouplers) are used in circuits to isolate high voltages and transmit signals optically:

• Standard Optocouplers: Basic devices from manufacturers like Broadcom, Renesas, or Vishay typically cost $0.50–$5 per unit, depending on features such as speed, isolation voltage, and package type .
• High-Speed or Specialized Optocouplers: Devices designed for fast switching or high-voltage isolation can cost $5–$20 per unit .
• Quantity Discounts: Prices decrease significantly when purchased in bulk, especially for production-scale orders.

Factors Affecting Price

1. Type and Function: Splitters, combiners, WDM, or TAP couplers have different manufacturing costs.
2. Fiber Mode: Singlemode couplers are generally more expensive than multimode.
3. Performance Specifications: Low insertion loss, high directivity, and wide wavelength range increase cost.
4. Quantity: Bulk orders reduce per-unit cost.
5. Supplier and Brand: Premium brands or distributors may charge more but provide higher reliability and support. For precise pricing, it is recommended to check supplier websites like Mouser for optocouplers with unit pricing filters, or request quotes from fiber optic suppliers such as EFB-Elektronik, RS Components, or AMS Technologies for specialized couplers .