- Glass Tube
 - Medium time delay
 - 5mm - 20mm, 125VAC–250VAC
 
| Type | Glass Tube | 
| Style | Medium-Acting | 
| Voltage | 125/250 VAC | 
| Amps | 6 | 
| Material | Glass | 
| Element | Single | 
| Length | 20 mm | 
| Dia. | 5 MM | 
| Series | GDB | 
| Industry No. | GMC-6-R | 
| Indicating / Nonindicating | Nonindicating | 
| Class | Ferriule | 
| Body Style | Cylindrical | 
| Interrupt Rating | N/A | 
| Standards | Guide JDYX2, File E 19180 and Class no. 1422-01, File E53787 | 
| Application | Electronic Circuits |