Bussmann SR-5 Series Data Sheet
Description
• Radial leaded time-delay thru-hole fuse
• Designed to IEC 60127-3, Sheet 4
• Internationally accepted for primary and secondary
overcurrent protection
• Place directly into PCB or plug into BK/PCS holder
• High inrush withstand capability
• Compatible with leaded and lead-free reflow and wave
solder
Agency Information*
• cURus
• VDE
• SEMKO
• CCC
• EK-MARK
• PSE
Specifications
• Solderability: EIA-186-9E Method 9
• High frequency vibration: MIL-STD-202F,
Method 201A
• Operating temperature: -40°C to +125°C
• Soldering heat resistance: 260°C, 10 Sec. max
(IEC 60068-2-20)
Ordering
• Specify product and packaging code
(i.e., SR-5-1A-AP)
Ø4.00 12.70
6.35
0.50
35.00
9.00
13.00
(REF)
18.00
(REF)
Packaging Information – mm (in)
Dimensions – mm
Land Pattern
Electrical Characteristics
Rated 1.5 xIn2.1 xIn2.75 xI
n
4 xI
n
10 xI
n
Current min max min max min max min max
40mA-6.3A 1hr 2 min 400 mS10 Sec.150 mS 3 Sec. 20 mS 150 mS
Subminiature Fuses
SR-5 Series, Time-Delay
0308 BU-SB07219 Page 1 of 3 Data Sheet 4347
0.03"
(0.76mm)
0.12" ± 0.01"
(3.05mm ± 0.25mm)
0.29"
(7.37mm)
0.20"
(5.08mm)
0.30"
(7.62mm)
0.095"
(2.41mm)
()
Socket (PCS)
Mounting Socket (RoHS compliant)
• Available as option. Specify catalog number BK/PCS
(In bulk 100 per bag)
*See part number table for Agency Approvals by amp rating.
5.08 ± 0.2mm
Ø 1.0 ± 0.1mm
0308 BU-SB07219 Page 2 of 3 Data Sheet 4347
Specifications
Voltage Interrupting Typical Voltage Drop
Part Rating Rating (amps) Typical DC Cold Melting** mV @ 20°C
Agency Approvals
Number AC @ Rated Voltage Resistance (Ω)I2t (@1mS) Rated Current VDE SEMKO cURus CCC E
K-Mark
PSE
SR-5-40mA 250 35 11.5 0.001988 524 x x x x x
SR-5-50mA 250 35 8 0.003664 462 x x x x x
SR-5-63mA 250 35 5.36 0.006979 383.5 x x x x x
SR-5-80mA 250 35 3.43 0.010814 331 x x x x x
SR-5-100mA 250 35 2.37 0.015155 288.5 x x x x x
SR-5-125mA 250 35 1.6 0.026783 238 x x x x x
SR-5-160mA 250 35 1.02 0.039097 196.5 x x x x x
SR-5-200mA 250 35 0.94 0.168832 215.5 x x x x x
SR-5-250mA 250 35 0.66 0.24778 185 x x x x x
SR-5-315mA 250 35 0.43 0.2772 152 x x x x x
SR-5-400mA 250 35 0.285 0.771618 127 x x x x x
SR-5-500mA 250 35 0.24 2 143.2 x x x x x
SR-5-630mA 250 35 0.153 3.5 113 x x x x x
SR-5-800mA 250 35 0.107 6.5 104.5 x x x x x
SR-5-1A 250 35 0.083 7.5 98.8 x x x x x x
SR-5-1.25A 250 35 0.061 13 96.2 x x x x x x
SR-5-1.6A 250 35 0.043 24 84.4 x x x x x x
SR-5-2A 250 35 0.031 30 79.7 x x x x x x
SR-5-2.5A 250 35 0.028 45 75.8 x x x x x x
SR-5-3.15A 250 35 0.017 57 69.4 x x x x x x
SR-5-4A 250 40 0.015 80 72.8 x x x x x x
*SR-5-5A 250 50 0.010 95.4 62.1 x x x CQC x x
*SR-5-6.3A 250 63 0.008 200 62.2 x x x CQC x x
*Conducting Path min. 0.2mm
2
**I2t value for 40mA to 400mA is measured at 100ln. I2t value for 500mA to 6.3A is measured at 10In.
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