Difference EEU-FR1H181L and EEU-FR1H181LB

There are two difference between the parts. The lead spacing and the way the parts are sold.

MFR PART # EEU-FR1H181L EEU-FR1H181LB
DK PART # P14457-ND P15373CT-ND and P15373TB-ND
DESCRIPTION CAP ALUM 180UF 20% 50V RADIAL CAP ALUM 180UF 20% 50V RADIAL
SERIES FR FR
PACKAGE Bulk Cut Tape (CT) and Tape & Box (TB)
TOLERANCE ±20% ±20%
ESR (EQUIVALENT SERIES RESISTANCE) - -
LIFETIME @ TEMP. 9000 Hrs @ 105°C 9000 Hrs @ 105°C
OPERATING TEMPERATURE -40°C ~ 105°C -40°C ~ 105°C
POLARIZATION Polar Polar
APPLICATIONS General Purpose General Purpose
LEAD SPACING 0.138"" (3.50mm) 0.197"" (5.00mm)
SIZE / DIMENSION 0.315"" Dia (8.00mm) 0.315"" Dia (8.00mm)
HEIGHT - SEATED (MAX) 0.866"" (22.00mm) 0.866"" (22.00mm)
MOUNTING TYPE Through Hole Through Hole
PACKAGE / CASE Radial, Can Radial, Can
CAPACITANCE 180µF 180µF
VOLTAGE - RATED 50V 50V
IMPEDANCE 33 mOhms 33 mOhms
RIPPLE CURRENT @ LOW FREQUENCY 1.001A @ 120Hz 1.001A @ 120Hz
RIPPLE CURRENT @ HIGH FREQUENCY 1.43A @ 100kHz 1.43A @ 100kHz