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Slow Blow SMD 1808 T 2A 125V Surface Mount Fuses UL cUL ROHS REACH CQC

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Slow Blow SMD 1808 T 2A 125V Surface Mount Fuses UL cUL ROHS REACH CQC

Large Image :  Slow Blow SMD 1808 T 2A 125V Surface Mount Fuses UL cUL ROHS REACH CQC

Product Details:

Certification: CQC,UL,CUL,ROHS,REACH
Model Number: STE1200

Payment & Shipping Terms:

Minimum Order Quantity: 1000PCS
Price: 0.028~0.3USD/PC
Packaging Details: Tape,30K/Carton
Delivery Time: 5-7 Days
Payment Terms: T/T, Western Union
Supply Ability: 100000000PCS Per Month
Detailed Product Description
Name: Surface Mount Fuses Size: 1808
Rated Current: 2A Rated Voltage: 125V
MOQ: 1000PCS Package: Tape In Reel,1000pcs/reel


UL cUL ROHS REACH CQC Certificated Slow Blow SMD 1808 T 2A 125V Surface Mount Fuses 



What are the similarities and differences between a disposable fuse and a resettable fuse?


A restorable fuse is essentially a PTC thermistor. It is totally different from a fuse because of its operating principle: it protects a circuit as the resistance of the PTC material is positively correlated to temperature and jump at Curie point.


For the similarities: they both can be used for circuits for overcurrent protection and applied to a number of similar fields and circumstances. Both can be used or replaced in some circumstances. For example, both products are outstanding for battery protection applications where overcurrent protection requirement is not so strict. For protection of certain ICs and important components or at power input/output ends, only the disposable fuse may be competent. The impedance requirement is also higher for these parts. However, the PTC thermistor will be the best choice for the circumstances when products should avoid being damaged from overheat or overcurrent protection at interfaces where hot-swapping is frequent. Yet in most circumstances, the two products are greatly different or cannot replace one another. The following table shows the primary differences between the two.


Owing to the similarities and differences, the two products are available in the market for different purposes.


  One Time fuse Resettable PTC fuse
Internal resistance Small Large
Current sensitivity High Low
Response time Fast Low
Ageing rate Slow Fast
Leakage current None Yes
Safety performance Strong Weak
Application scope Wide Narrow





Agency Ampere Range Agency File Number
UL 50mA ~ 15A E340427(JDYX2)
CUL 50mA ~ 15A E340427(JDYX8)
CQC 500mA/1A/2A CQC18012206754
ROHS 50mA ~ 15A SZC18111684512
REACH 50mA ~ 15A SZC18030584513-3



Melting Features


% of Ampere Rating(In) Blowing Time
100% * In 4 hours Min
200% * In 120 sec Max
1000% * In 10ms Min





Catalog Ampere Voltage Breaking Nominal Cold I2TMelting
No. Rating Rating Capacity Resistance(Ohms) Integral(A2.S)
STE0250 250mA 125VAC 50A@300VAC 50A@250VAC 200A@125VAC 0.86 0.145
STE0300 300mA 0.62 0.162
STE0315 315mA 0.55 0.189
STE0375 375mA 0.47 0.2
STE0400 400mA 0.38 0.238
STE0500 500mA 0.32 0.275
STE0600 600mA 0.285 0.47
STE0630 630mA 0.256 0.566
STE0700 700mA 0.208 0.805
STE0750 750mA 0.175 1.24
STE0800 800mA 0.155 1.88
STE1100 1A 0.148 3.5
STE1125 1.25A 0.102 4.76
STE1150 1.5A 0.085 6.305
STE1200 2A 0.044 8.95
STE1250 2.5A 0.043 16.025
STE1300 3A 0.033 21.56
STE1315 3.15A 0.029 22.75
STE1350 3.5A 0.027 27.05
STE1400 4A 0.025 31.808
STE1500 5A 0.019 40.25
STE1600 6A 0.018 67.245
STE1630 6.3A 0.017 73.55
STE1700 7A 0.016 76.28
STE1800 8A 0.015 80.75
STE2100 10A 0.014 110.38
STE2120 12A 0.013 158.08
STE2150 15A 0.012 160.68
Dimension (mm)

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