5 x 20mm Fuses
S505 Series, Time-Delay, Ceramic Tube
0409 BU-SB08329 Page 1 of 2 Data Sheet 2037
Description
• Time-delay, high breaking capacity
• Optional axial leads available
• Ceramic tube, silver-plated endcap construction
(500mA-800mA), nickel-plated brass endcap
construction (1-12A)
• Optional sleeve is flexible flouropolymer (UL
flammability rating VW-1)
• 5 x 20mm physical size
• Designed to IEC 60127-2 (500mA-10A) & extension 12A
Agency Information
• UL Recognized Card: Guide JDYX2, File E19180
• CSA Component Acceptance: File 53787
• SEMKO: File 500496, 816547
• VDE: File 40014091, 40024352, 40023140
• BSI: File KM55676
• IMQ: File 00100, 00529
• PES+JET: File 1641-31003-1004,1641-31003-1011
• CCC: File 2002010207011295
• EK: File SU05011-4012A, SU0511-5014A
• FIMKO: File FI21555 Ordering
• Specify packaging code
• Insert packaging code prefix before part number.
E.g. BK (or BK1)/S505-1-R
• Specify option codes if desired
• For axial leads, insert “V” between catalog series and
amp rating. E.g., BK/S505-V-1-R
Dimensions - mm
Drawing Not to Scale
Electrical Characteristics
1.5 In2.1 In2.75 In4 In10 In
In min max min max min max min max
<1A 60 min 30 min 250 ms 80s 50 ms 5s 5 ms 150 ms
1A-3.15A 60 min 30 min 750ms 80s 95 ms 5s 10 ms 150 ms
4A-6.3A 60 min 30 min 750ms 80s 150 ms 5s 10 ms 150 ms
8A-12A 30 min 30 min 750ms 80s 150 ms 5s 10 ms 150 ms
HALOGEN
HF
FREE
Specifications
Interrupting Typical Typical
Voltage Rating (amps) DC Cold Typical Voltage
Part Rating @ Rated Resistance Pre-arching Drop Agency Approvals
Number Vac Vac (50Hz)* (W)** I2t AC*** (mV)‡ IMQ VDE SEMKO UL CCC PSEJET CSA EK BSI
S505-500-R 250 1500 0.5070 0.188† 295 X X X X X X X
S505-800-R 250 1500 0.2370 0.632† 189 X X X X X X X
S505-1-R 250 1500 0.1401 1.28 152.5 X X X X X X X X X
S505-1.25-R 250 1500 0.1075 2.22 150 X X X X X X X X X
S505-1.6-R 250 1500 0.0700 6.78 125 X X X X X X X X X
S505-2-R 250 1500 0.0545 9.60 118.5 X X X X X X X X X
S505-2.5-R 250 1500 0.0395 16.60 115 X X X X X X X X X
S505-3.15-R 250 1500 0.0305 36.60 102.5 X X X X X X X X X
S505-4-R 250 1500 0.0185 38.45† 86.5 X X X X X X X X X
S505-5-R 250 1500 0.0131 71.30† 77.5 X X X X X X X X X
S505-6.3-R 250 1500 0.0033 197 75 X X X X X X X X X
S505-8-R 250 1500 0.0067 311 75 X X X X X X X X
S505-10-R 250 1500 0.0061 397 72 X X X X X X X X
S505-12-R 250 1000 0.0053 713.7† 77 X X
* Interrupting ratings (500mA to 10A were measured at 70% to 80% PF on.
** Typical DC Cold Resistance (Measured At <10% of rated current).
*** Typical Pre-Arching I2t (Measured at listed interrupting rating and rated voltage if not specified).
† The typical I2t value was measured at 10 times of rated current under DC.
‡ Typical Voltage Drop (voltage drop was measured at 20°C ambient temperature at rated current).
• Ratings above 4A have a maximum 0.81mm diameter
lead
• With TR2 packaging code, lead wire length is 19.05mm
Packaging Code
Packaging Code Prefix 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)
Option Code
Option Code Description
VAxial leads - copper tinned wire with nickel plated brass overcaps
© 2009 Cooper Bussmann
St. Louis, MO 63178
www.cooperbussmann.com
0409 BU-SB08329 Page 2 of 2 Data Sheet 2037
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in this bulletin. Once a product has been selected, it should be tested by the user in all possible applications.
Life Support Policy: Cooper Bussmann 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.
Current In Amps
Time In Seconds
Amp
Rating
