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

‡ Typical Voltage Drop (Voltage drop was measured at 20ºC ambient temperature at rated current)
*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)