TECHNICAL DATASHEET

1310-1550nm Mini PM Optical Isolator

Miniature PM optical isolator for compact optical modules, fiber sensing and test systems. The source drawing and ordering information show a dia. 2.5 x 20 mm package. Optical ratings depend on wavelength and stage; confirm the selected configuration.

Technical Specifications

Parameter
Specification
Unit
Center Wavelength
1550, 1480, 1310
nm
Operating Bandwidth
±20
nm
Peak Isolation
42 (Single Stage) / 55 (Dual Stage)
dB
Min. Isolation @ 23°C
28 (Single Stage) / 42 (Dual Stage)
dB
Max. Insertion Loss @ 23°C
0.55 (Single Stage) / 0.75 (Dual Stage)
dB
Min. Extinction Ratio @ 23°C
20 (Both axes) / 22 (Fast axis blocked)
dB
Min. Return Loss
50
dB
Max. Optical Power (CW)
300
mW
Fiber Type
PM Panda Fiber
-
Operating Temperature
-5 to +70
°C
Package Dimensions
dia. 2.5 x 20 mm
mm
Technical Datasheet Note
Ultra-compact package enables high-density board integration. Connectors add 0.3 dB insertion loss.
Configuration and ordering notes

Single-stage and dual-stage models have different loss and isolation characteristics. The corresponding values are listed in the specification table.

Selection Guidance: Review footprint reduction, splice elimination and optical loss budget in our Mini & Hybrid Devices for CPO & Transceivers Guide ↗ or Mini vs Standard Isolator Guide ↗.

Key Applications

Co-Packaged Optics (CPO) laser sources; QSFP-DD and OSFP transceiver modules; Fiber optic gyroscopes; High-density optical cards.

Package Drawing

122 1310-1550nm Mini PM Optical Isolator, Center Wavelength: 1550, 1480, 1310 – KernsOptic
Package reference for 1310-1550nm Mini PM Optical Isolator. Confirm the final configuration during engineering review.

Need an exact configuration?

A quotation review can begin with the application, quantity and available component information. Wavelength, optical power, fiber and termination details can be clarified with engineering.