MF-ESMD

Features
Applications
■
Fast tripping resettable circuit protection
Surface mount packaging for automated
assembly
Very low internal resistance
Patents pending
100 °C trip temperature
■
Agency recognition:
■
■
■
■
■
Battery cell protection
MF-ESMD Series - PTC Resettable Fuses
Electrical Characteristics
Ihold
Model
MF-ESMD190
V max.
Volts
I max.
Amps
16
100
Itrip
Amperes
at 23 °C
Hold
Trip
1.9
3.8
Max. Time
To Trip
Resistance
Ohms
at 23 °C
Min.
R1 Max.
0.010
0.08
Tripped
Power
Dissipation
Amperes
at 23 °C
Seconds
at 23 °C
Watts
at 23 °C
Typ.
10
2.0
1.5
Environmental Characteristics
E
T
E
L
O
S
B
O
Operating/Storage Temperature ........................-40 °C to +85 °C
Maximum Device Surface Temperature
in Tripped State ................................................125 °C
Passive Aging......................................................+85 °C, 1000 hours ....................................±5 % typical resistance change
Humidity Aging....................................................+85 °C, 85% R.H. 1000 hours ....................±5 % typical resistance change
Thermal Shock ....................................................+85 °C to -40 °C, 20 times ..........................±10 % typical resistance change
Solvent Resistance ............................................MIL-STD-202, Method 215 ........................No change
Vibration ..............................................................MIL-STD-883C, Method 2007.1, ................No change
Condition A
Test Procedures And Requirements For Model MF-ESMD Series
Test
Test Conditions
Accept/Reject Criteria
Visual/Mech.....................................Verify dimensions and materials ....................................Per MF physical description
Resistance ......................................In still air @ 23 °C ............................................................Rmin ≤ R ≤ R1max
Time to Trip ....................................At specified current, Vmax, 23 °C ..................................T ≤ max. time to trip (seconds)
Hold Current....................................30 min. at Ihold ..............................................................No trip
Trip Cycle Life ................................Vmax, Imax, 100 cycles ..................................................No arcing or burning
Trip Endurance ................................Vmax, 48 hours ..............................................................No arcing or burning
Solderability ....................................MIL-STD-202F, Method 208F..........................................95 % min. coverage
UL File Number ..................................E174545
http://www.ul.com/ Follow link to Certifications, then UL File No., enter E174545
CSA File Number ................................CA110338
http://directories.csa-international.org/ Under “Certification Record” and “File Number” enter 110338-0-000
TÜV Certificate Number......................R 02057213
http://www.tuvdotcom.com/ Follow link to “other certificates”, enter File No. 2057213
Thermal Derating Chart - Ihold (Amps)
Ambient Operating Temperature
Model
MF-ESMD190
-40 ˚C
3.04
-20 ˚C
2.7
Specifications are subject to change without notice.
0 ˚C
2.2
23 ˚C
1.9
40 ˚C
1.44
50 ˚C
1.23
60 ˚C
1.00
70 ˚C
0.78
85 ˚C
0.49
MF-ESMD Series - PTC Resettable Fuses
Product Dimensions
A
Model
Min.
11.25
(0.443)
MF-ESMD190
B
Max.
11.61
(0.457)
Min.
4.83
(0.190)
C
Max.
5.33
(0.210)
Min.
0.33
(0.013)
Max.
0.63
(0.025)
Packaging: 1500 pcs. per reel.
D
Min.
0.51
(0.020)
UNIT =
Top and Bottom View
Side View
A
MM
(INCHES)
Typical Time to Trip at 23 °C
C
-ES
MD
190
E
T
E
L
O
S
B
O
MF
B
100
Recommended Pad Layout
1.45 ± 0.10
(0.057 ± 0.004)
10
Time to Trip (Seconds)
D
4.75 ± 0.10
(0.187 ± 0.004)
9.57 ± 0.10
(0.377 ± 0.004)
Typical Part Marking
1
0.1
0.01
Represents total content. Layout may vary.
PART
IDENTIFICATION
MANUFACTURER'S
TRADEMARK
190
0A
0.001
1
0.1
DATE CODE WEEK 1 OF 2000 = 0A
(YEAR & WEEK)
WEEK 27 OF 2000 = A0
(WEEK & YEAR)
10
100
Fault Current (Amps)
Solder Reflow Recommendations
How to Order
300
Preheating
Soldering
Cooling
Note:
• MF-ESMD models
can be wave soldered
and reworked.
• If reflow temperatures
exceed the recommended profile,
devices may not meet
the performance
requirements.
250
MF - ESMD 190 - 2
Multifuse Product
Designator
Series
ESMD = 11.5mm Surface Mount Component
Hold Current, Ihold
190 (1.9 Amps)
Packaging
Packaged per EIA 481-2
-2 = Tape and Reel
Temperature (°C)
®
200
150
100
50
0
160–220
10–20
120
Time (seconds)
MF-ESMD, REV. J, 11/02
Specifications are subject to change without notice.
MF-MSMD, MF-USMD & MF-ESMD Series Tape and Reel Specs
MF-MSMD Series
per EIA-481-1
MF-USMD Series
per EIA 481-1
MF-ESMD Series
per EIA 481-2
W
12.0 ± 0.30
(0.472 ± 0.012)
8.0 ± 0.30
(0.315 ± 0.012)
24.0 ± 0.3
(0.945 ± 0.012)
P0
4.0 ± 0.10
(0.157 ± 0.004)
4.0 ± 0.10
(0.157 ± 0.004)
4.0 ± 0.1
(0.157 ± 0.004)
Tape Dimensions
P2
8.0 ± 0.10
(0.315 ± 0.004)
2.0 ± 0.05
(0.079 ± 0.002)
A0
3.66 ± 0.15
(0.144 ± 0.006)
B0
4.98 ± 0.10
(0.196 ± 0.004)
P1
4.0 ± 0.10
(0.157 ± 0.004)
2.0 ± 0.05
(0.079 ± 0.002)
MF-USMD005,010,020:
MF-USMD035,050,075,110:
2.76 ± 0.10
2.93 ± 0.15
(0.109 ± 0.004)
(0.115 ± 0.006)
MF-USMD005,010,020:
3.5 ± 0.1
(0.138 ± 0.004)
5.65 ± 0.1
(0.222 ± 0.004)
MF-USMD035,050,075,110:
3.56 ± 0.1
(0.140 ± 0.004)
E
T
E
L
O
S
B
O
5.9
(0.232)
1.5 + 0.10/-0.00
(0.059 + 0.004/-0)
5.5 ± 0.05
(0.217 ± 0.002)
1.75 ± 0.10
(0.069 ± 0.004)
B1 max.
D0
F
E1
10.25
(0.404)
0.6
(0.024)
0.1
(0.004)
E2 min.
T max.
T1 max.
0.95 ± 0.10
(0.037 ± 0.004)
K0
Leader min.
Trailer min.
Reel Dimensions
A max.
N min.
4.35
(0.171)
1.50 + 0.1/-0.0
(0.059 + 0.004/-0)
3.5 ± 0.05
(0.138 ± 0.002)
1.75 ± 0.10
(0.069 ± 0.004)
6.25
(0.246)
0.6
(0.024)
0.1
(0.004)
MF-USMD005,010,020:
MF-USMD035,050,075,110:
1.07 ± 0.10
0.75 ± 0.10
(0.042 ± 0.004)
(0.030 ± 0.004)
W2 max.
11.86 ± 0.1
(0.467 ± 0.004)
20.1
(0.791)
1.5 + 0.1/-0.0
(0.059 + 0.004/-0)
11.5 ± 0.10
(0.453 ± 0.004)
1.75 ± 0.10
(0.069 ± 0.004)
22.25
(0.876)
0.6
(0.024)
0.1
(0.004)
0.85 ± 0.1
(0.033 ± 0.004)
390
(15.35)
160
(6.30)
390
(15.35)
160
(6.30)
390
(15.35)
160
(6.30)
185
(7.28)
50
(1.97)
185
(7.28)
50
(1.97)
8.4 + 1.5/-0.0
(0.331 + 0.059/-0)
14.4
(0.567)
360
(14.17)
60
(2.36)
12.4 + 2.0/-0.0
(0.488 + 0.079/-0.0)
18.4
(0.724)
W1
D0
24.4 + 2.0/ -0.0
(0.961 + 0.079/-0)
30.4
(1.20)
UNIT =
P0
T
8.0 ± 0.1
(0.315 ± 0.004)
2.0 ± 0.1
(0.079 ± 0.004)
P2
MM
(INCHES)
E1
W2(MEASURED
AT HUB)
COVER
TAPE
F
E2 W
B1
A
N(HUB DIA.)
B0
K0
T1
P1
A0
W1(MEASURED
AT HUB)
Specifications are subject to change without notice.