MF-USML270 [BOURNS]
Low Ohmic PTC Resettable Fuses; 低电阻PTC自恢复保险丝型号: | MF-USML270 |
厂家: | BOURNS ELECTRONIC SOLUTIONS |
描述: | Low Ohmic PTC Resettable Fuses |
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 |
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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