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MF-USML175 [BOURNS]

Low Ohmic PTC Resettable Fuses; 低电阻PTC自恢复保险丝
MF-USML175
型号： MF-USML175
厂家： BOURNS ELECTRONIC SOLUTIONS    BOURNS ELECTRONIC SOLUTIONS
描述：

Low Ohmic PTC Resettable Fuses
低电阻PTC自恢复保险丝
文件： 总4页 (文件大小：321K)
中文：  中文翻译
下载：  下载PDF数据表文档文件
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Features  
Applications  
■ Surface mount packaging for automated  
■ Thermal protection for Li-ion and polymer  
assembly  
battery packs  
■ Small footprint size (1210) and low profile  
■ Game consoles  
■ PC motherboards  
■ USB port protection - USB 2.0, 3.0 & OTG  
■ Mobile phones  
■ Digital cameras  
for space-constrained mobile applications  
■ Ultra-low resistance  
■ RoHS compliant* and halogen free**  
■ Agency recognition:  
MF-USML Series - Low Ohmic PTC Resettable Fuses  
Electrical Characteristics  
Model  
Tripped  
Max. Time  
To Trip  
I
I
Resistance  
Power  
hold  
trip  
Dissipation  
V max.  
Volts  
I max.  
Amps  
Amperes  
at 23 °C  
Ohms  
at 23 °C  
R
Amperes Seconds  
Watts  
at 23 °C  
at 23 °C  
at 23 °C  
R
Hoꢂd  
Trip  
±.50  
4.90  
4.00  
4.60  
5.00  
5.40  
6.00  
7.00  
8.00  
Tꢁp.  
0.8  
0.8  
0.8  
0.8  
0.8  
0.8  
0.8  
0.8  
0.8  
Min.  
1Max.  
MF-USML175  
MF-USML190  
MF-USML200  
MF-USML2±0  
MF-USML250  
MF-USML270  
MF-USML±00  
MF-USML±50  
MF-USML±80  
6
6
6
6
6
6
6
6
6
50  
50  
50  
50  
50  
50  
50  
50  
50  
1.75  
1.90  
2.00  
2.±0  
2.50  
2.70  
±.00  
±.50  
±.80  
0.0060  
0.0060  
0.0050  
0.0045  
0.0045  
0.0040  
0.0040  
0.00±0  
0.0020  
0.0400  
0.0±00  
0.0240  
0.0240  
0.0220  
0.0200  
0.0180  
0.0180  
0.0160  
8.00  
9.50  
8.00  
8.00  
8.00  
8.00  
8.00  
17.50  
19.00  
2.50  
±.00  
±.00  
±.50  
±.50  
4.00  
4.00  
2.00  
2.00  
Environmental Characteristics  
Operating Temperature......................................... -40 °C to +85 °C  
Maximum Device Surface Temperature  
in Tripped State .................................................... 125 °C  
Passive Aging....................................................... +85 °C, 1000 hours............................................... ±10 ꢀ tꢁpicaꢂ resistance change  
Humiditꢁ Aging...................................................... +85 °C, 85 ꢀ R.H. 100 hours ............................... ±15 ꢀ tꢁpicaꢂ resistance change  
Thermaꢂ Shock ..................................................... +85 °C to -40 °C, 20 times.................................... ±±0 ꢀ tꢁpicaꢂ resistance change  
Soꢂvent Resistance............................................... MIL-STD-202, Method 215 ................................... No change  
Vibration ............................................................... MIL-STD-88±C, Method 2007.1,........................... No change (R  
Condition A  
<R<R  
)
1max  
min  
Test Procedures And Requirements For Model MF-USML Series  
Test  
Test Conditions  
Accept/Reject Criteria  
Visuaꢂ/Mech.......................................................... Verifꢁ dimensions and materiaꢂs........................... Per MF phꢁsicaꢂ description  
Resistance............................................................ In stiꢂꢂ air @ 2± °C................................................. Rmin ≤ R ≤ R1max  
Time to Trip........................................................... At specified current, Vmax, 2± °C......................... T ≤ max. time to trip (seconds)  
Hoꢂd Current......................................................... ±0 min. at Ihoꢂd ..................................................... No trip  
Trip Cꢁcꢂe Life....................................................... Vmax, Imax, 100 cꢁcꢂes........................................ No arcing or burning  
Trip Endurance..................................................... Vmax, 48 hours..................................................... No arcing or burning  
Soꢂderabiꢂitꢁ.......................................................... ANSI/J-STD-002................................................... 95 ꢀ min. coverage  
cUL Fiꢂe Number................................................... E174545  
http://www.uꢂ.com/ Foꢂꢂow ꢂink to Certifications, then cUL Fiꢂe No., enter E174545  
TÜV Certificate Number ....................................... R 0205721±  
http://www.tuvdotcom.com/ Foꢂꢂow ꢂink to “other certificates”, enter Fiꢂe No. 205721±  
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.  
*Bourns follows the prevailing definition of “halogen free” in the industry. Bourns considers a product to be “halogen free” if (a) the Bromine (Br) content is 900 ppm or less;  
(b) the Chlorine (Cl) content is 900 ppm or less; and (c) the total Bromine (Br) and Chlorine (Cl) content is 1500 ppm or less.  
Specifications are subject to change without notice.  
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.  
Users should verify actual device performance in their specific applications.  
MF-USML Series - Low Ohmic PTC Resettable Fuses  
Product Dimensions  
A
B
C
D
E
Model  
Min.  
Max.  
Min.  
Max.  
Min.  
Max.  
Min.  
Min.  
Max.  
3.00  
3.43  
2.35  
2.80  
0.30  
0.60  
0.25  
0.05  
0.45  
MF-USML175  
MF-USML190  
MF-USML200  
MF-USML230  
MF-USML250  
MF-USML270  
MF-USML300  
MF-USML350  
MF-USML380  
(0.118)  
(0.135)  
(0.093)  
(0.110)  
(0.012)  
(0.024)  
(0.010)  
(0.002)  
(0.018)  
3.00  
3.43  
2.35  
2.80  
0.30  
0.60  
0.25  
0.05  
0.45  
(0.118)  
(0.135)  
(0.093)  
(0.110)  
(0.012)  
(0.024)  
(0.010)  
(0.002)  
(0.018)  
3.00  
3.43  
2.35  
2.80  
0.30  
0.60  
0.25  
0.05  
0.45  
(0.118)  
(0.135)  
(0.093)  
(0.110)  
(0.012)  
(0.024)  
(0.010)  
(0.002)  
(0.018)  
3.00  
3.43  
2.35  
2.80  
0.30  
0.60  
0.25  
0.05  
0.45  
(0.118)  
(0.135)  
(0.093)  
(0.110)  
(0.012)  
(0.024)  
(0.010)  
(0.002)  
(0.018)  
3.00  
3.43  
2.35  
2.80  
0.30  
0.60  
0.25  
0.05  
0.45  
(0.118)  
(0.135)  
(0.093)  
(0.110)  
(0.012)  
(0.024)  
(0.010)  
(0.002)  
(0.018)  
3.00  
3.43  
2.35  
2.80  
0.30  
0.60  
0.25  
0.05  
0.45  
(0.118)  
(0.135)  
(0.093)  
(0.110)  
(0.012)  
(0.024)  
(0.010)  
(0.002)  
(0.018)  
3.00  
3.43  
2.35  
2.80  
0.30  
0.60  
0.25  
0.05  
0.45  
(0.118)  
(0.135)  
(0.093)  
(0.110)  
(0.012)  
(0.024)  
(0.010)  
(0.002)  
(0.018)  
3.00  
3.43  
2.35  
2.80  
0.30  
0.60  
0.25  
0.05  
0.45  
(0.118)  
(0.135)  
(0.093)  
(0.110)  
(0.012)  
(0.024)  
(0.010)  
(0.002)  
(0.018)  
3.00  
3.43  
2.35  
2.80  
0.30  
0.60  
0.25  
0.05  
0.45  
(0.118)  
(0.135)  
(0.093)  
(0.110)  
(0.012)  
(0.024)  
(0.010)  
(0.002)  
(0.018)  
MM  
(INCHES)  
Packaging: 3000 pcs. per reel.  
DIMENSIONS:  
Side View  
C
Top View  
Bottom View  
Recommended Pad Layout  
Terminal material:  
A
D
E
1.0 0.05  
(.039 .002)  
1.0 0.05  
(.039 .002)  
ENIG-plated terminals  
(Tin-plated terminals available upon  
request).  
2.5 0.1  
(.098 .00ꢀ)  
B
Termination pad solderability:  
Meets ANSI/J-STD-002 Category 2.  
2.0 0.1  
(.079 .00ꢀ)  
Recommended Storage:  
40 °C max./70 % RH max.  
Solder Reflow Recommendations  
Preheating  
Soldering  
Cooling  
300  
Notes:  
•
MF-USML models cannot be wave soldered or hand soldered. Please  
250  
200  
150  
100  
50  
contact Bourns for soldering recommendations.  
If reflow temperatures exceed the recommended profile, devices may  
not meet the performance requirements.  
•
•
•
Compatible with Pb and Pb-free solder reflow profiles.  
Excess solder may cause a short circuit, especially during hand  
®
soldering. Please refer to the Multifuse Polymer PTC Soldering  
Recommendation guidelines.  
•
Designed for single solder reflow operations.  
0
160–220  
10–20  
120  
Time (seconds)  
Specifications are subject to change without notice.  
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.  
Users should verify actual device performance in their specific applications.  
MF-USML Series - Low Ohmic PTC Resettable Fuses  
Thermal Derating Chart - I  
hold  
(Amps)  
Ambient Operating Temperature  
Model  
MF-USML175  
-40 °C  
2.57  
-20 °C  
2.33  
0 °C  
2.07  
23 °C  
40 °C  
50 °C  
60 °C  
1.24  
70 °C  
1.00  
85 °C  
0.91  
1.75  
1.49  
1.34  
MF-USML190  
MF-USML200  
MF-USML230  
MF-USML250  
MF-USML270  
MF-USML300  
MF-USML350  
MF-USML380  
2.89  
3.26  
3.55  
3.70  
3.98  
4.41  
5.00  
6.00  
2.58  
2.87  
3.17  
3.35  
3.60  
3.99  
4.60  
5.28  
2.25  
2.50  
2.78  
2.95  
3.18  
3.54  
4.05  
4.52  
1.90  
2.00  
2.30  
2.50  
2.70  
3.00  
3.50  
3.80  
1.54  
1.70  
1.94  
2.10  
2.28  
2.55  
2.80  
3.15  
1.36  
1.48  
1.72  
1.90  
2.03  
2.30  
2.40  
2.65  
1.21  
1.29  
1.55  
1.75  
1.90  
2.13  
2.00  
2.39  
0.94  
1.09  
1.27  
1.40  
1.52  
1.71  
1.60  
2.09  
0.77  
0.78  
1.06  
1.30  
1.40  
1.56  
1.00  
1.60  
How to Order  
Typical Part Marking  
Represents total content. Layout may vary.  
MF - USML 175 - 2  
®
Multifuse Product  
PART IDENTIFICATION:  
MF-USML175 = U17  
MF-USML190 = U19  
MF-USML200 = U20  
MF-USML230 = U23  
MF-USML250 = U25  
Designator  
Series  
USML = 1210 Low-Ohmic  
Surface Mount Component  
U30  
MF-USML270 = U27  
Hold Current, Ihold  
MF-USML300 = U30  
MF-USML350 = U35  
MF-USML380 = U38  
175 - 380 (1.75 - 3.80 Amps)  
Packaging  
Packaged per EIA 481-1  
-2 = Tape and Reel  
MANUFACTURING DATE CODE IS  
LOCATED ON PACKING LABEL.  
Asia-Pacific: Tel: +886-2 2562-4117 • Fax: +886-2 2562-4116  
Europe: Tel: +41-41 768 5555 • Fax: +41-41 768 5510  
The Americas: Tel: +1-951 781-5500 • Fax: +1-951 781-5700  
www.bourns.com  
MF-USML SERIES, REV. C, 06/13  
Specifications are subject to change without notice.  
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.  
Users should verify actual device performance in their specific applications.  
MF-USML Series - Low Ohmic PTC Resettable Fuses  
MF-USML Series  
per EIA 481-2  
8.0 0.ꢀ  
Tape Dimensions  
W
(0.ꢀ15 0.01ꢁ2  
4.0 0.1  
P
P
P
A
B
B
0
1
ꢁ
0
0
1
(0.157 0.0042  
4.0 0.1  
(0.157 0.0042  
ꢁ.0 0.05  
(0.079 0.00ꢁ2  
ꢁ.76 0.10  
(0.109 0.0042  
ꢀ.50 0.10  
(0.1ꢀ8 0.0042  
4.ꢀ5  
max.  
min.  
(0.1712  
1.5 + 0.1/-0.0  
(0.059 + 0.004/-02  
ꢀ.5 0.05  
(0.1ꢀ8 + 0.00ꢁ2  
1.75 0.10  
(0.069 0.0042  
6.ꢁ5  
D
F
0
E
E
1
ꢁ
(0.ꢁ462  
0.6  
T max.  
max.  
(0.0ꢁ42  
0.1  
T
1
(0.0042  
1.07 0.10  
(0.04ꢁ 0.0042  
ꢀ90  
K
0
Leader min.  
Trailer min.  
Reel Dimensions  
A max.  
(15.ꢀ52  
160  
(6.ꢀ02  
185  
(7.ꢁ8ꢀ2  
50  
N min.  
(1.972  
8.4 + 1.5/ -0.0  
(0.ꢀꢀ1 + 0.059/-02  
14.4  
W
1
ꢁ
W
max.  
(0.5672  
MM  
(INCHES)  
DIMENSIONS:  
P
0
T
D
0
P
2
E
1
W (MEASURED  
2
AT HUB)  
COVER  
TAPE  
F
A
N(HUB DIA.)  
E
W
2
B
1
B
0
W
(MEASURED  
AT HUB)  
1
P
1
K
T
0
1
A
0
Specifications are subject to change without notice.  
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.  
Users should verify actual device performance in their specific applications.  

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