SMB connector
SMB (SubMiniature version B) connectors are coaxial RF connectors developed in the 1960s. SMB connectors are smaller than SMA connectors.
 Custom SMB jack connector crimped to a 5 mm coaxial cable | |||
| Type | RF coaxial connector | ||
|---|---|---|---|
| Production history | |||
| Designed | 1960s | ||
| Manufacturer | Various | ||
| Cable | Coaxial | ||
| Passband | Typically 0–4 GHz | ||
They feature a snap-on coupling and are available in either 50 Ω or 75 Ω impedance. They offer excellent electrical performance from DC to 4 GHz.
An SMB jack has a male center pin, while an SMB plug has a female basket.[1][2]
Connectors are available for two SMB cable sizes:
- Cable 2.6/50+75 S (3 mm outer / 1.7 mm inner diameter) and
- Cable 2/50 S (2.2 mm outer / 1 mm inner diameter)
SSMB
The SSMB connector is a small version of the standard SMB connector with a 'snap-on' coupling.[3][4]
- Impedance: 50 Ohm
- Operating frequency: DC–12.4 GHz
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See also
References
- Answer to a question about SMB connector genders
- Image of SMB 50 Ω plug and jack illustrating the differences between the two genders
- "SSMB (pdf)" (PDF). Archived from the original (PDF) on 2011-01-24. Retrieved 2011-01-12.
- "SSMB-Nano". Imscs.com. 2007-07-24. Retrieved 2011-01-12.
Sources
- MIL-C-39012
- MIL-STD-348
- MIL-STD-202
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