Description
• Fast-acting, high breaking capacity
• 5 x 20mm physical size
• Ceramic tube, nickel-plated brass endcap construction
• Silver-plated endcap construction (50mA-400mA)
• Optional axial leads are 0.032" x 1.5" copper tinned
• Designed to IEC 60127-2
Electrical Characteristics
In | 1.5 In | 2.1 In | 2.75 In | 4 In | 10 In | ||
min | max | min | max | min | max | max | |
50mA-3.15A | 60 min | 30 min | 10 ms | 2 sec | 3 ms | 300 ms | 20 ms |
4A-10A | 60 min | 30 min | 10 ms | 3 sec | 3 ms | 300 ms | 20 ms |
Agency Information
• UL Recognized Card: Guide JDYX2, File E19180
• CSA Component Acceptance: File 53787
• Semko Approval: File 413779, File 512433
• IMQ Approval: File EB405
• CCC: File 2005010207155691
Ordering
Specify product code
• Insert packaging code prefix before part number. E.g. BK/GDA-250mA
Specify option code if desired
• For axial leads, insert “V” between catalog series and amp rating. E.g. BK/GDA-V-250mA
Dimensions - mm
Drawing Not to Scale

• With TR2 packaging code, lead wire length is 19.05mm
Specifications
Part Number | Voltage Rating Vac | Interrupting Rating (amps) at Rated Voltage (50Hz) Vac | Typical DC Cold Resistance (Ω)* | Typical Melting I2t (amps) | Typical Voltage Drop (mV)‡ | Agency Approvals | ||||
IMQ | SEMKO | UR | CCC | CSA | ||||||
GDA-50mA | 250V | 1500 | 157.5 | 0.0017 | 9000 | X | X | X | X | X |
GDA-63mA | 39 | 0.0005 | 3300 | |||||||
GDA-80mA | 27.9 | 0.0011 | 2600 | X | ||||||
GDA-100mA | 20 | 0.0018 | 2300 | |||||||
GDA-125mA | 12.3 | 0.0037 | 1900 | |||||||
GDA-160mA | 8.5 | 0.008 | 1600 | X | X | X | ||||
GDA-200mA | 6 | 0.02 | 1350 | |||||||
GDA-250mA | 4.4 | 0.027 | 1300 | |||||||
GDA-315mA | 3.3 | 0.01 | 1400 | |||||||
GDA-400mA | 2.2 | 0.018 | 1200 | |||||||
GDA-500mA | 0.46 | 0.038 | 1050 | X | X | X | ||||
GDA-630mA | 0.34 | 0.064 | 1200 | |||||||
GDA-800mA | 0.245 | 0.097 | 490 | X | X | X | ||||
GDA-1A | 0.231 | 0.146* | 330 | |||||||
GDA-1.25A | 0.176 | 0.313* | 297 | |||||||
GDA-1.6A | 0.113 | 0.748* | 239 | |||||||
GDA-2A | 0.073 | 2 | 205 | X | X** | |||||
GDA-2.5A | 0.053 | 3.9 | 190 | |||||||
GDA-3.15A | 0.037 | 8.1 | 160 | |||||||
GDA-4A | 0.027 | 14 | 160 | |||||||
GDA-5A | 0.019 | 25 | 155 | |||||||
GDA-6.3A | 0.014 | 48 | 150 | X |
*I2t of 1A, 1.25A, 1.6A is measured at 10In DC.
**CSA Approvals on these ratings will not be marked on the fuse cap.
Time-Current Curve

Option Code
Option Code | Description |
V | Axial leads - copper tinned wire with nickel-plated brass endcaps |
Packaging Code
Packaging Code | Description |
BK | 100 fuses packed into a cardboard carton |
BK1 | 1,000 fuses packed into a poly bag |
TR2 | 1,500 fuses packed into tape on a reel (19.05mm lead wire length) |
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