Metal Electrode Selection Guide for Profile A

Profile A Metal Microelectrodes

ProfileASingleelectrodes

Platinum Iridium

These electrodes are sold in packages of 10.

Order code Length Insulation
Thickness
Shaft
Diameter
Nominal
Impedance
±20%
Tip
Diameter
Typical Use
PTM23B05 51mm  3µ 0.254mm 0.5MΩ 1-2µ  Single and multi unit recording, stimulation, chronic implants

 

Tungsten


Order code
Length  Insulation
Thickness
Shaft
Diameter
Nominal
Impedance
±20%
Tip
Diameter 
Typical Use
TM31A10  76mm  0.127 mm 1.0 MΩ  Multi unit and single unit recording and microstimulation 
TM31A20 76mm  0.127 mm 2.0 MΩ Multi unit and single unit recording and microstimulation 
TM31A50 76mm  0.127 mm 5.0 MΩ Multi unit and single unit recording and microstimulation 
TM31C40  76mm  0.085 mm 4.0 MΩ Recording from small tightly packed cells 
TM33A05  76mm  0.127 mm 0.5 MΩ  Multi unit and single unit recording and microstimulation 
TM33A10 76mm  3µ  0.127 mm 1.0 MΩ  Multi unit and single unit recording and microstimulation 
TM33A20 76mm  0.127 mm 2.0 MΩ Multi unit and single unit recording and microstimulation
TM33B01  76mm  0.254 mm 0.1 MΩ 1-2µ Single and multi unit recording and microstimulation
TM33B05  76mm  0.254 mm  0.5 MΩ 1-2µ Single and multi unit recording and microstimulation
TM33B05H  76mm  0.254 mm  0.5 MΩ 1-2µ Single and multi unit recording and microstimulation
TM33B10  76mm  0.254 mm 1.0 MΩ 1-2µ Single and multi unit recording and microstimulation
TM33B20  76mm  0.254 mm 2.0 MΩ 1-2µ Single and multi unit recording and microstimulation
TM33B20H 76mm  0.254 mm 2.0 MΩ 1-2µ Single and multi unit recording and microstimulation


Elgiloy/Stainless 

Order code Length Insulation
Thickness
Shaft
Diameter
Nominal
Impedance
±20%
Tip
Diameter
Typical Use Quantity
SSM33A05  76mm 0.229 mm 0.5 MΩ 1-2µ Recording and Stimulating (Prussian blue staining) Package of 10
SSM33A10 76mm 0.229 mm 1.0 MΩ 1-2µ Recording and Stimulating (Prussian blue staining) Package of 10
SSM33A20 76mm 0.229 mm 2.0 MΩ 1-2µ Recording and Stimulating (Prussian blue staining) Package of 10
SSM33A10KTH 76mm 0.356 mm 1.0 M 1-2µ Recording and Stimulating (Prussian blue staining). Heat treated. Package of 10
SSM33A20KT 76mm 0.356mm 2.0 M 1-2µ Recording and Stimulating (Prussian blue staining) Package of 10
SSM33A10KT 76mm 0.356 mm 1.0 M 1-2µ Recording and Stimulating (Prussian blue staining) Package of 10

 Pure Iridium 

Order code Length Insulation
Thickness
Shaft
Diameter
Nominal
Impedance
±20%
Tip
Diameter
Typical Use
IRM23E01 50mm 0.106 mm 0.1 MΩ 2-3µ Multiunit & ERP recording & stimulation
IRM23E10 50mm 0.106 mm 1.0 MΩ 1-2µ Single and multiunit recording and stimulation
IRM23E15 50mm 0.106 mm 1.5 MΩ 1-2µ Single and multiunit recording and stimulation
IRM23E20 50mm 0.106 mm 2.0 MΩ 1-2µ Greater selectivity & microstimulation
IRM23E25 50mm 0.106 mm 2.5 MΩ 1-2µ Greater selectivity - small cells
IRM23E30 50mm 0.106 mm 3.0 MΩ 1-2µ Greater selectivity - small cells