| Freelance Electronics | FRN-R1/2 | 4.53786 | 1 | 100 | | Bussmann | | 3.60966 @ 22 |
| Newark | 97H7393 | 5.62 | 1 | 20 | | EATON BUSSMANN | | 5.62 @ 20 |
 | Allfuses | FRN-R-1/2 | 7.89 | 1 | 76 | | Bussmann | | 7.89 @ 20 |
 | mostelectric.com | FRN-R-1\/2 | 8.06 | 1 | 37 | | COOPER BUSSMANN | | 8.06 @ 20 |
 | galesburgelectric.com | FRN-R-1/2 | 8.32 | 1 | 20 | | Bussmann | | 8.32 @ 20 |
| AmazonTP | B01LC25B3A | 8.45 | 1 | 20 | 2 | Cooper Bussmann Brand | | 8.45 @ 20 |
 | Federal Connectors | FRNR0R5@BUS | 10.0 | 2 | 55 | | BUSSMANN | | 10.0 @ 20 |
 | Raptor Supplies | AE8QMV | 10.9388565 | 1 | 20 | | BUSSMANN | | 10.9388565 @ 20 |
 | Walker Industrial | FRN-R-1-2 | 11.6 | 1 | 20 | 17 | Cooper Bussmann | | 11.6 @ 20 |
 | Tedss | 2026000800 | 12.0 | 1 | 20 | | COOPER BUSSMANN | | 12.0 @ 20 |
| Waldom | EATON FRN-R-1/2 | 12.76 | 1 | 20 | | Eaton | | 12.76 @ 20 |
 | AI Consolidated | FRN-R-1-2-BUSSMANN | 13.01 | 1 | 20 | | Bussmann Eaton Cooper Fuses | 0.034 | 13.01 @ 20 |
 | Zoro | G1176271 | 13.24 | 1 | 785 | | Eaton Bussmann | 0.03 | 13.24 @ 20 |
| Monarch Electric | 58496 | 14.83 | 1 | 20 | | Bussmann | | 14.83 @ 20 |
| grainger.ca | WWG6F205 | 15.5322484 | 1 | 20 | | BUSSMANN | 0.03 | 15.5322484 @ 20 |
 | Platt.com | 0357217 | 15.74 | 1 | 20 | | Eaton/Bussmann Series | | 15.74 @ 20 |
| Onlinecomponents.com | FRN-R-1/2 | 15.98 | 1 | 20 | | BUSSMANN / EATON | | 12.93 @ 25 |
| Graybar | 88050647 | 21.0896 | 1 | 20 | | Bussmann (Eaton) | | 21.0896 @ 20 |
 | National Supply Network | 75784751 | 23.7395 | 5 | 20 | | Cooper Bussmann | | 23.7395 @ 20 |
| uri.com | FRNR12 | 25.86 | 1 | 20 | | Bussmann | 0.45 | 25.86 @ 20 |
 | Kelly Hayes | FRN-R-1/2 | 26.53 | 1 | 20 | | BUSSMANN | | 26.53 @ 20 |
 | French Gerleman | BUSSFRNR1/2 | 28.48 | 1 | 20 | | Bussmann | | 28.48 @ 20 |
 | Digi-Key | 5434798 | 34.698 | 10 | 20 | | Eaton - Bussmann Electrical Division | | 34.698 @ 20 |
| us.rs-online.com | 71446140 | 36.36 | 10 | 20 | | Bussmann by Eaton | | 36.36 @ 20 |
 | NRI Industrial | D280374 | 39.98 | 1 | 20 | | COOPER BUSSMANN | | 39.98 @ 20 |
| Airline Hydraulics | BUSSMANN FRN-R-1/2 | 50.69 | 1 | 20 | | Cooper Bussmann | | 50.69 @ 20 |
| standardelectricsupply.com | 2383390 | 265.3 | 1 | 20 | | Bussmann | | 265.3 @ 20 |
