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
Electrical Characteristics
Rated 1.5 xIn 2.1 xIn 2.75 xIn 4 xIn 10 xIn
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
Agency Information*
• cURus: Guide JDYX2,File E306920 & Guide JDYX8,
File E306920
• VDE: File122052, 40020046
• SEMKO: File 902104, 902105
• CCC: File 2007010207229852
• CQC: File CQC08012024959
• EK-MARK: File SU05025-8001, SU05025-8002,
SU05025-8003, SU05025-7001, SU05025-7002A
• PSE: JET5766-31007-1001, JET5766-31007-1002
Specifications
• Solderability: EIA-186-9E Method 9
• High frequency vibration: MIL-STD-202F,
Method 201A
• Operating temperature: -40°C to +85°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)
)
0.30"
(7.62mm)
0.20"
(5.08mm)
0.095"
(2.41mm)
0.03"
(0.76mm)
0.29"
(7.37mm)
0.12"
±
0.01"
(3.05mm ± 0.25mm)
Land Pattern
5.08 ± 0.2mm
Ø 1.0 ± 0.1mm
*See part number table for Agency Approvals by amp rating.
HALOGEN
HF
FREE
Packaging Information – mm
4.30±0.30
[0.170±0.012]
5.08
[0.200]
BK PACK
Ø8.50±0.20
[Ø0.330±0.008]
7.60±0.20
[0.300±0.008]
0.50
[0.020]
Ø0.60
[Ø0.024]
(REF)
18.800±1.00
[0.740±0.039]
BK1 PACK
21.00±3.00
[0.827±0.118]
BK2 PACK
18.00
[0.708]
(REF)
9.00±0.38
[0.354±0.015]
Ø4.00±0.10
[Ø0.156±0.004]
12.70
[0.500]
AP PACK
6.35±0.25
[0.250±0.010]
35.00±1.00
[1.378±0.039]
13.00
[0.512]
(REF)
Pb
4.0±0.5
[0.158±0.0195]
13.00±1.00
[0.512±0.039]
38.8±1.00
[1.528±0.039]
18.00±1.00
[0.709±0.039]
7.50±0.3
[0.295±0.012]
15.00
[0.590]
AP1 PACK
7.50
[0.295]
Mounting Socket (RoHS compliant)
• Available as option. Specify catalog number BK/PCS
(In bulk 100 per bag)
Dimensions – mm
8.5±0.2
unit:mm
8.5±0.2
4.3±0.3
(BULK)
7.6±0.2
0.5 min.
0.6Ø
5.08±0.1
0709 BU-SB09254 Page 1 of 3 Data Sheet 4347

Part
Number
SR-5-40mA
SR-5-50mA
SR-5-63mA
SR-5-80mA
SR-5-100mA
SR-5-125mA
SR-5-160mA
SR-5-200mA
SR-5-250mA
SR-5-315mA
SR-5-400mA
SR-5-500mA
SR-5-630mA
SR-5-800mA
SR-5-1A
SR-5-1.25A
SR-5-1.6A
SR-5-2A
SR-5-2.5A
SR-5-3.15A
SR-5-4A
*SR-5-5A
*SR-5-6.3A
250
250
250
250
250
250
250
250
Voltage
Rating
AC
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
Interrupting Typical
Rating (amps) Typical DC Cold Melting**
@ Rated Voltage Resistance ( Ω ) I 2 t (@1mS) mV @ 20°C
Rated Current
35
35
35
35
35
35
35
35
35
35
35
35
35
35
35
35
35
35
35
35
40
50
63
11.5
0.43
0.285
0.242
0.154
0.112
0.085
0.061
0.043
8
5.36
3.43
2.37
1.6
1.02
0.94
0.66
0.031
0.024
0.018
0.012
0.010
0.008
0.001988
0.003664
0.006979
0.010814
0.015155
0.026783
0.039097
0.168832
0.24778
0.2772
0.771618
2
3.5
6.5
7.5
13
24
30
45
57
80
95.4
200
*Conducting Path min. 0.2mm
2
**I 2 t value for 40mA to 400mA is measured at 100ln. I 2 t value for 500mA to 6.3A is measured at 10In.
Voltage Drop
524
152
127
143.5
113
104.5
100
91
102
462
383.5
331
288.5
238
196.5
215.5
185
74.5
72.5
70.25
62
57.5
60.85
Agency Approvals x x x x x x x x x x x x x x x x x x x x
VDE SEMKO cURus CCC EK-Mark PSE x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x
CQC
CQC x x x x x x x x x x x x x x x x x
0709 BU-SB09254 Page 2 of 3 Data Sheet 4347

Current in Amp
Packaging Code Suffix
-AP
-BK
Description
Ammo-pack taped 1,000 per box
In bulk 200 per bag
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.
© 2 0 0 9 C o o p e r B u s s m a n n
S t . L o u i s , M O 6 3 1 7 8 w w w. c o o p e r b u s s m a n n . c o m
0709 BU-SB09254 Page 3 of 3 Data Sheet 4347

SR-5-5A-BK SR-5-5A-AP SR-5-630MA-AP SR-5-800MA-AP SR-5-400MA-AP SR-5-500MA-AP SR-5-500MA-BK
SR-5-630MA-BK SR-5-400MA-BK SR-5-800MA-BK SR-5-3.15A-BK SR-5-3.15A-AP SR-5-4A-BK SR-5-4A-AP SR-
5-2A-BK SR-5-2A-AP SR-5-1A-AP SR-5-1A-BK SR-5-1.6A-BK SR-5-1.6A-AP SR-5-2.5A-AP SR-5-2.5A-BK SR-5-
1.25A-BK SR-5-1.25A-AP SR-5H-1A-APH SR-5H-2A-APH SR-5H-400MA-APH SR-5H-4A-APH SR-5H-500MA-APH
SR-5H-5A-APH SR-5H-630MA-APH SR-5H-800MA-APH SR-5-6-3A-AP SR-5H-1-25A-AP SR-5H-1-25A-APH SR-
5H-1-25A-BK SR-5H-1-6A-AP SR-5H-1-6A-APH SR-5H-1-6A-BK SR-5H-2-5A-AP SR-5H-2-5A-APH SR-5H-2-5A-
BK SR-5H-3-15A-AP SR-5H-3-15A-APH SR-5H-3-15A-BK SR-5H-6-3A-AP SR-5H-6-3A-APH SR-5H-6-3A-BK SR-
5-6-3A-BK SR-5H-1A-AP SR-5H-1A-BK SR-5H-2A-AP SR-5H-2A-BK SR-5H-4A-AP SR-5H-4A-BK SR-5H-5A-AP
SR-5H-5A-BK SR-5-100MA-AP SR-5-100MA-BK SR-5-125MA-AP SR-5-125MA-BK SR-5-160MA-AP SR-5-160MA-
BK SR-5-200MA-AP SR-5-200MA-BK SR-5-250MA-AP SR-5-250MA-BK SR-5-315MA-AP SR-5-315MA-BK SR-5-
40MA-AP SR-5-40MA-BK SR-5-50MA-AP SR-5-50MA-BK SR-5-63MA-AP SR-5-63MA-BK SR-5-80MA-AP SR-5-
80MA-BK