| Onlinecomponents.com | HTB-42I-R | 2.75 | 1 | 36 | | Bussmann / Eaton | | 2.75 @ 1 |
| Hotenda | H565628 | 3.15 | 1 | 36 | | Eaton (formerly Cooper Bussmann) | | 3.15 @ 1 |
 | AI Consolidated | HTB-42I-R-BUSSMANN | 4.15 | 1 | 24 | | Bussmann Eaton Cooper Fuses | 0.03 | 4.15 @ 1 |
| Sager Electronics | BK/HTB-42I-R | 4.47 | 1 | 36 | | Cooper Bussmann | | 4.47 @ 1 |
 | Zoro | G2619951 | 4.68 | 1 | In Stock | | Eaton Bussmann | 0.3 | 4.68 @ 1 |
 | Radwell | BKHTB42IR | 5.14 | 100 | 36 | | BUSSMANN | | 5.14 @ 100 |
| Waldom | EATON HTB-42I-R | 5.2 | 1 | In Stock | | Eaton | | 5.2 @ 1 |
 | Walker Industrial | HTB-42I-R | 5.55 | 10 | In Stock | 17 | Cooper Bussmann | | 5.55 @ 10 |
 | swatee.com | BK/HTB-42I-R | 6.0 | 1 | 74 | | Eaton | | 6.0 @ 1 |
 | Galco | HTB-42I-R-BUSS | 6.43 | 10 | 30 | | Bussmann | 0.025 | 6.43 @ 10 |
| us.rs-online.com | 74085771 | 6.48 | 10 | In Stock | | Eaton Electronics | | 6.48 @ 10 |
| Digi-Key | HTB-42I-R-ND | 7.644 | 10 | 24 | | Eaton - Electronics Division | | 7.644 @ 10 |
 | Platt.com | 0958105 | 8.39 | 1 | In Stock | | Eaton/Bussmann Series | | 8.39 @ 1 |
 | sustainablesupply.com | C1165146 | 8.72 | 1 | In Stock | | Eaton | 0.03 | 8.72 @ 1 |
| grainger.ca | WWG1DD27 | 8.9274138 | 1 | In Stock | | BUSSMANN | 0.03 | 8.9274138 @ 1 |
 | crescentelectric.com | 52104 | 8.95 | 1 | In Stock | | Eaton Bussmann series | | 8.95 @ 1 |
| Newark | 88K4578 | 9.39 | 10 | In Stock | | EATON BUSSMANN | | 9.39 @ 10 |
 | simsupply.com | ZO-G2619951 | 11.51 | 1 | 797 | | Eaton Bussmann | | 11.51 @ 1 |
| RS Delivers | 852-6948 | 12.66 | 1 | In Stock | | Eaton | | 12.66 @ 1 |
 | Raptor Supplies | AA9HFY | 12.827178 | 1 | In Stock | | BUSSMANN | | 12.827178 @ 1 |
| AmazonTP | B011NB1EFO | 469.0 | 1 | 36 | 20 | Cooper Bussmann | | 469.0 @ 1 |
| standardelectricsupply.com | 2388259 | 591.0 | 1 | 36 | | Bussmann | | 591.0 @ 1 |
 | turtle.com | BUS BK/HTB-42I-R | 628.44 | 1 | 36 | | Eaton | | 628.44 @ 1 |
