Technical Data 2015
Effective May 2017
Supersedes February 2009
Product features
Agency information
•UL Recognized Card: Guide JDYX2, File E19180
•VDE approval: File 40014109
Ordering
•Specify product code: Insert packaging code prefix before
part number. E.g. BK/GDB-250mA
•Ratings above 6.3 A have a 0.8 mm diameter lead
•With TR2 packaging code, lead wire length is 19.05 mm
•Specify option code if desired: For axial leads, insert “V”
between catalog series and amp rating.
E.g. BK/GDB-V-250mA
GDB
5 mm x 20 mm Fast-acting glass tube fuses
•Fast-acting, low breaking capacity
•5 x 20mm physical size
•Glass tube, nickel-plated brass endcap construction
•Optional axial leads are 0.032" x 1.5" copper tinned
•Designed to IEC 60127-2 (32 mA- 10 A)
Specications
Voltage
Interrupting Rating (amps)
Typical DC Typical Maximum
Part Number Rating at Rated Voltage (50Hz) Cold Resistance Melting I 2t Voltage
Agency Approval
Vac Vac (Ω)* AC† Drop (mV)‡ UR VDE
GDB-32mA 250 35 40 0.000047 3200
GDB-40mA 250 35 25 0.00011 2500
GDB-50mA 250 35 17 0.00020 2400
GDB-63mA 250 35 12.5 0.00057 2000
GDB-80mA 250 35 5.0 0.0012 1200
GDB-100mA 250 35 3.8 0.003 1100
GDB-125mA 250 35 2.8 0.005 1000
GDB-160mA 250 35 9.1 0.008 2000 X X
GDB-200mA 250 35 6.8 0.016 1700 X X
GDB-250mA 250 35 4.3 0.28 1400 X X
GDB-315mA 250 35 3.1 0.58 1300 X X
GDB-400mA 250 35 2.0 0.18 1100 X X
GDB-500mA 250 35 0.26 0.18 220 X X
GDB-630mA 250 35 0.20 0.35 220 X X
GDB-800mA 250 35 0.14 0.67 190 X X
GDB-1A 250 35 0.125 0.60 200 X X
GDB-1.25A 250 35 0.096 0.84 200 X X
GDB-1.6A 250 35 0.066 1.6 190 X X
GDB-2A 250 35 0.043 4.2 150 X X
GDB-2.5A 250 35 0.034 6.1 150 X X
GDB-3.15A 250 35 0.025 13 130 X X
GDB-4A 250 40 0.021 22 130 X X
GDB-5A 250 50 0.014 42 120 X X
GDB-6.3A 250 63 0.010 69 120 X X
GDB-8A 250 80 0.010 N/A 120 X X
GDB-10A 250 100 0.008 N/A 120 X X
* DC Cold Resistance (Measured at <10% of rated current)
† Typical Melting I 2t (I 2t was measured at listed interrupting rating and rated voltage)
‡ Maximum Voltage Drop (Voltage drop was measured at 20°C ambient temperature at rated current)
Eaton
Electronics Division
1000 Eaton Boulevard
Cleveland, OH 44122
United States
www.eaton.com/electronics
© 2017 Eaton
All Rights Reserved
Printed in USA
Publication No. 2015 BU-SB08762
May 2017
Eaton is a registered trademark.
All other trademarks are property
of their respective owners.
GDB
5 mm x 20 mm Fast-acting glass tube fuses
Technical Data 2015
Effective May 2017
Life Support Policy: Eaton does not authorize the use of any of its products for use in life support devices or systems without the express written
approval of an officer of the Company. Life support systems are devices which support or sustain life, and whose failure to perform, when properly
used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in significant injury to the user.
Eaton reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. Eaton also
reserves the right to change or update, without notice, any technical information contained in this bulletin.
Packaging Code
Packaging PrexDescription
BK 100 fuses packed into a cardboard carton
BK1 1,000 fuses oacked into a oolv baa
TR2 1,500 fuses packed into tape on a reel (19.05mm lead wire lenqth)
Option Code
Option Code Description
V
I
Axial leads - coooer tinned wire with nickel plated brass endcaps