Mounting Styles
Pentagon open wound resistors are available un-mounted or in a variety of mounting styles similar to those available for vitreous resistors.

Dimensions
Dimensions of pentagon open wire-resistors are similar to dimensions shown in the vitreous enamelled data section
         
Power Ratings - Continuous Duty
Pentagon open wire wound resistors are designed to operate at a maximum temperature rise of 280°C.If a lower surface temperature is required, please refer to the vitreous enamelled data section  

Resistance Tolerance
The standard tolerance on resistance for open wound resistors is + 10% when fitted with one tapping clip. 

 
 Power Ratings & Ohmic Values
      PB30 PB40 PB45 PB60L PB60S PB90L PB90S PB130 PB150 PB180 PB220 PB320 PB380

Rating Watts   30 40 45 60 60 90 90 130 150 180 220 320 380
Ohmic Values Min 0R2 0R5 0R3 0R5 0R4 0R5 0R4 0R4 0R5 0R7 0R7 1R0 1R2
With One Tapping Max 510R 1KR 720R 1K3 1K3 2K1 2K1 3K2 4K0 5K2 6K8 9K8 11K5