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.
Time-Current Curve
Packaging Code
Packaging Code Suffix Description
-AP Ammo-pack taped 1,000 per box
-BK In bulk 200 per bag
Time in Seconds
Current in Amp
© 2008 Cooper Bussmann
St. Louis, MO 63178
www.cooperbussmann.com
0308 BU-SB07219 Page 3 of 3 Data Sheet 4347
The only controlled copy of this Data Sheet is the electronic read-only version located on the Cooper Bussmann Network Drive.All other copies of this document are by definition uncontrolled.This bulletin is
intended to clearly present comprehensive product data and provide technical information that will help the end user with design applications. Cooper Bussmann reserves the right, without notice, to change
design or construction of any products and to discontinue or limit distribution of any products.Cooper Bussmann also reserves the right to change or update,without notice,any technical information contained
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.
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