Bel Fuse Inc. is a global electronics manufacturer specializing in magnetics, power solutions, circuit protection, and connectivity products for networking, telecommunications, and aerospace applications.
Parts that are not part of a series
Company background and product focus
Bel Fuse Inc., founded in 1949 and headquartered in Jersey City, New Jersey, is a leading global manufacturer of electronic components serving networking, telecommunications, high-speed data transmission, aerospace, military, broadcasting, transportation, and consumer electronics industries.
The company offers an extensive product portfolio encompassing magnetic components, robust power solutions, essential protection products, and advanced connectivity solutions including fiber optic connectors, cable assemblies, RF connectors, and RJ connectors. Bel Fuse markets its products under multiple trusted brand names including Bel, TRP Connector, MagJack, Signal, Bel Power Solutions, Power-One, Melcher, Stratos, Fibreco, Cinch, Johnson, Trompeter, Midwest Microwave, Semflex, and Stewart Connector.
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Product families from Bel Fuse Inc.
| Series | Category | Parts | Status | Description |
|---|---|---|---|---|
| Series | Category | Parts | Status | Description |
|---|---|---|---|---|
| Cable Assemblies | 10 | Active | ||
| Circuit Protection | 1 | Active | ||
| Circuit Protection | 2 | Active | ||
| Circuit Protection | 2 | Active | ||
| Circuit Protection | 3 | Active | ||
| Fuses | 5 | Active | ||
0678HSurface Mount Fuses | Circuit Protection | 5 | Active | Surface Mount Fuses |
| Fuses | 1 | Active | ||
| Fuses | 3 | Active | ||
0679LSurface Mount Fuses | Fuses | 11 | Active | Surface Mount Fuses |
Parts from Bel Fuse Inc. that are not part of a series
| Part Information | Pricing (lowest) | Size / Dimension Length | Size / Dimension Width | Turns Ratio - Primary | Turns Ratio - Secondary | Mounting Type | Inductance | Height - Seated (Max) | Transformer Type | Current Rating | Voltage Rating - AC | Approval Agency | Melting I²t | Fuse Type | Operating Temperature (Max) | Operating Temperature (Min) | Size / Dimension Diameter | Package Length | Package Name | Package / Case | Package Diameter | Response Time | Voltage Rating - DC | Breaking Capacity |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
![]() Bel Fuse Inc. MODULE XFRMR LAN T1/E1 PCB | Sign in to see pricing | 0.5 in | 0.35 in | 1 | 1 | Through Hole | 1200 µH | 0.25 in | E1 (Single), T1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
![]() Bel Fuse Inc. PULSE TRANSFORMER 1:1 10MH/10MH | Sign in to see pricing | 0.55 in | 0.525 in | 1 | 1 | Through Hole | 10 mH | 12.7 mm | ADSL | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Bel Fuse Inc. FUSE CERAMIC 1A 250VAC 3AB 3AG | Sign in to see pricing | 1.252 in | — | — | — | Requires Holder | — | — | — | 1 A | 250 V | CE, cURus, UKCA | 0.456 | Cartridge, Ceramic | 125 °C | -55 °C | 0.25 in | 1.25 in | 3AB, 3AG | 1/4" x 1-1/4", 3AB, 3AG | 0.25 in | Fast Blow | 150 VDC | 1.5 kA |
Bel Fuse Inc. FUSE CERM 1.25A 250VAC 3AB 3AG | Sign in to see pricing | 1.252 in | — | — | — | Requires Holder | — | — | — | 1.25 A | 250 V | CE, cURus, UKCA | 0.96 | Cartridge, Ceramic | 125 °C | -55 °C | 0.25 in | 1.25 in | 3AB, 3AG | 1/4" x 1-1/4", 3AB, 3AG | 0.25 in | Fast Blow | 150 VDC | 1.5 kA |
![]() Bel Fuse Inc. FUSE CERAMIC 1.5A 250VAC 3AB 3AG | Sign in to see pricing | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Bel Fuse Inc. FUSE CERAMIC 1.6A 250VAC 3AB 3AG | Sign in to see pricing | 1.252 in | — | — | — | Requires Holder | — | — | — | 1.6 A | 250 V | CE, cURus, UKCA | 1.59 | Cartridge, Ceramic | 125 °C | -55 °C | 0.25 in | 1.25 in | 3AB, 3AG | 1/4" x 1-1/4", 3AB, 3AG | 0.25 in | Fast Blow | 150 VDC | 1.5 kA |
Bel Fuse Inc. FUSE CERAMIC 2A 250VAC 3AB 3AG | Sign in to see pricing | 1.252 in | — | — | — | Requires Holder | — | — | — | 2 A | 250 V | CE, cURus, UKCA | 3.75 | Cartridge, Ceramic | 125 °C | -55 °C | 0.25 in | 1.25 in | 3AB, 3AG | 1/4" x 1-1/4", 3AB, 3AG | 0.25 in | Fast Blow | 150 VDC | 1.5 kA |
Bel Fuse Inc. FUSE CERAMIC 2.5A 250VAC 3AB 3AG | Sign in to see pricing | 1.252 in | — | — | — | Requires Holder | — | — | — | 2.5 A | 250 V | CE, cURus, UKCA | 3.3 | Cartridge, Ceramic | 125 °C | -55 °C | 0.25 in | 1.25 in | 3AB, 3AG | 1/4" x 1-1/4", 3AB, 3AG | 0.25 in | Fast Blow | 150 VDC | 1.5 kA |
Bel Fuse Inc. FUSE CERAMIC 3A 250VAC 3AB 3AG | Sign in to see pricing | 1.252 in | — | — | — | Requires Holder | — | — | — | 3 A | 250 V | CE, cURus, UKCA | 5.5 | Cartridge, Ceramic | 125 °C | -55 °C | 0.25 in | 1.25 in | 3AB, 3AG | 1/4" x 1-1/4", 3AB, 3AG | 0.25 in | Fast Blow | 150 VDC | 1.5 kA |
Bel Fuse Inc. FUSE CERAMIC 3.5A 250VAC 3AB 3AG | Sign in to see pricing | 1.252 in | — | — | — | Requires Holder | — | — | — | 3.5 A | 250 V | CE, cURus, UKCA | 8.02 | Cartridge, Ceramic | 125 °C | -55 °C | 0.25 in | 1.25 in | 3AB, 3AG | 1/4" x 1-1/4", 3AB, 3AG | 0.25 in | Fast Blow | 150 VDC | 1.5 kA |