IA
NT
Features
■
■
R0
12255
0S
Applications
Almost anywhere there is a load to be
protected with a voltage supply of up to
90 V, including:
■
Broadband cable power passing taps
■
Set-top boxes
■
■
■
Radial Leaded Devices
Cured, flame retardant epoxy polymer
insulating material meets UL 94V-0
requirements
RoHS compliant*
Lead free
Agency recognition:
T V Rheinland
*R
oH
S
CO
M
PL
MF-R/90 Series -
PTC Resettable Fuses
Electrical Characteristics
One Hour
Post-Trip
Resistance
Standard Trip
Ohms
at 23
°
C
Maximum
Time
To Trip
Amps
at 23
°
C
Seconds
at 23
°
C
Nominal
Tripped
Power
Dissipation
Watts
at 23
°
C
Ihold
Itrip
Initial
Resistance
Values
Ohms
at 23
°
C
Model
V max.
Volts
I max.
Amps
Amps
at 23
°
C
Amps
at 23
°
C
Hold
MF-R055/90
MF-R055/90U
MF-R075/90
90
90
90
10
10
10
0.55
0.55
0.75
Trip
1.1
1.1
1.5
Min.
0.45
0.45
0.37
Max.
0.9
0.9
0.75
Max.
2.0
2.0
1.65
Typ.
2.0
2.0
2.5
1.6
1.6
2.0
60
28
60
“U” suffix indicates product without insulation coating.
Environmental Characteristics
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 ....................................................+125 °C to -55 °C, 10 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-R/90 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
≤
Rmax
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
UL File Number ..................................................E 174545S
CSA File Number ................................................CA 110338
TÜV File Number ................................................R2057213
Thermal Derating Chart - Ihold / Itrip (Amps)
Ambient Operating Temperature
Model
MF-R055/90
MF-R055/90U
MF-R075/90
-40
°
C
0.85 / 1.7
0.85 / 1.7
1.15 / 2.3
-20
°
C
0.75 / 1.5
0.75 / 1.5
1.0 / 2.0
0
°
C
0.65 / 1.3
0.65 / 1.3
0.9 / 1.8
23
°
C
0.55 / 1.1
0.55 / 1.1
0.75 / 1.5
40
°
C
0.45 / 0.9
0.45 / 0.9
0.61 / 1.22
50
°
C
0.4 / 0.8
0.4 / 0.8
0.55 / 1.1
60
°
C
0.35 / 0.7
0.35 / 0.7
0.48 / 0.96
70
°
C
0.3 / 0.6
0.3 / 0.6
0.41 / 0.82
85
°
C
0.22 / 0.44
0.22 / 0.44
0.30 / 0.6
*
RoHS Directive 2002/95/EC Jan 27 2003 including Annex
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
Additional Features
■
■
Bulk packaging, tape and reel and Ammo-Pak available on most models
Patents pending
MF-R/90 Series -
PTC Resettable Fuses
Product Dimensions
Model
MF-R055/90
MF-R055/90U
MF-R075/90
Packaging options:
BULK: 500 pcs. per bag.
A
Max.
10.9
(0.43)
10.3
(0.4)
11.9
(0.47)
B
Max.
14.0
(0.55)
10.3
(0.4)
15.5
(0.61)
C (Pitch)
Nom.
5.1 ± 0.7
(0.201 ± 0.028)
5.1 ± 0.7
(0.201 ± 0.028)
5.1 ± 0.7
(0.201 ± 0.028)
D
Min.
6.3
(0.248)
6.3
(0.248)
6.3
(0.248)
E
Max.
3.6
(0.142)
3.0
(0.118)
3.6
(0.142)
Physical Characteristics
Style Lead Dia.
Material
0.81
1
Sn/Cu
(0.032)
0.81
1
Sn/Cu
(0.032)
0.81
1
Sn/Cu
(0.032)
DIMENSIONS =
MM
(INCHES)
TAPE & REEL: 1500 pcs. per reel.
AMMO-PACK: 1000 pcs. per pack
Style 1
A
E
Typical Part Marking
Represents total content. Layout may vary.
MANUFACTURER'S
TRADEMARK
R055
1220S
LOT NO.
(S = CHINA)
How to Order
MF - R 055/90 U - 0
Multifuse
®
Product
Designator
Series
R = Radial Leaded
Component
Hold Current, Ihold
055, 075 (0.55 Amps - 0.75 Amps)
Max. Voltage, V
Coating
__ = Coated
U = Uncoated
Packaging Options
- 0 = Bulk Packaging
- 2 = Tape and Reel*
- AP = Ammo-Pak*
*Packaged per EIA486-B
B
PART
IDENTIFICATION
DATE CODE
(FIRST DIGIT =
LAST DIGIT OF YEAR;
NEXT THREE DIGITS =
DAY OF YEAR)
D
C
Also available with straight leads.
Typical Time to Trip at 23
°
C
100
Time to Trip (Seconds)
10
1
MF-R075/90
MF-R055/90
MF-R055/90U
0.1
1
10
Fault Current (Amps)
MF-R/90, REV. D, 11/04
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
MF-R, MF-R/72, MF-R/90, MF-R/600, MF-RX, MF-RX/72 & MF-RX/250 Series
Tape and Reel Specifications
Devices taped using EIA468–B/IEC286-2 standards. See table below and Figures 1 and 2 for details.
IEC
Mark
W
W0
EIA
Mark
W
W4
Dimensions
Dimensions
Tolerance
18
(.709)
11
(.433)
-0.5/+1.0
(-0.02/+.039)
Dimension Description
Carrier tape width
Hold down tape width:
Hold down tape
Top distance between tape edges
Sprocket hole position
Sprocket hole diameter
Abscissa to plane (straight lead)
Abscissa to plane (kinked lead)
Abscissa to top (straight lead)
Abscissa to top (kinked lead)
Overall width w/lead protrusion (straight lead)
Overall width w/lead protrusion (kinked lead)
Overall width w/o lead protrusion (straight lead)
Overall width w/o lead protrusion (kinked lead)
Lead protrusion
Protrusion of cutout
Protrusion beyond hold tape
Sprocket hole pitch
Pitch tolerance
Device pitch:
MF-R005–MF-R160, MF-R/90,
MF-RX110/72–MF-RX185/72, MF-R/72
min.
No protrusion
W2
W1
D0
H
H0
H1
H1
W6
W5
D0
H
H0
H1
H1
C1
C1
C2
C2
I1
L
I2
P0
L1
L
I2
P0
3
(.118)
9
(.354)
4
(.157)
18.5
(.728)
16
(.63)
38.0
(1.496)
32.2
(1.268)
55.0
(2.165)
43.2
(1.7)
54.0
(2.126)
42.5
(1.673)
1.0
(.039)
11
(.433)
max.
-0.5/+0.75
(-0.02/+0.03)
±0.2
(±.0078)
±3.0
(±.118)
±0.5
(±.02)
max.
max.
max.
max.
max.
max.
max.
max.
Not specified
12.7
(0.5)
±0.3
(±.012)
±1
(±.039)
±0.3
(±.012)
±0.6
(±.024)
20 consecutive
12.7
(0.5)
25.4
(1.0)
Device pitch:
MF-R185–MF-R400, MF-RX110–MF-RX375
MF-R/600, MF-RX250/72–MF-RX375/72
Tape thickness
Tape thickness with splice:
MF-R010–MF-R160,
MF-R/72, MF-RX110/72–MF-RX185/72,
t
t
t1
t1
0.9
(.035)
1.5
(.059)
2.3
(.091)
max.
max.
max.
±0.3
(±.012)
±1.0
(±.039)
±1.3
(±.051)
±0.2
(±.008)
Tape thickness with splice:
MF-R250–MF-R1100
MF-RX110–MF-RX375, MF-R/90, MF-RX250/72–MF-RX375/72
Splice sprocket hole alignment
Body lateral deviation
Body tape plane deviation
Lead spacing
Reel width
Reel diameter
Space between flanges less device
∆h
∆p
F
w
d
W1
∆h
∆p
F
W2
a
h
0
0
0
5.08
(0.2)
56
(2.205)
370
(14.57)
4.75
(.187)
max.
max.
±3.25
(±.128)
DIMENSIONS =
MM
(INCHES)
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
MF-R, MF-R/72, MF-R/90, MF-R/600, MF-RX, MF-RX/72 & MF-RX/250 Series
Tape and Reel Specifications
Dimension Description
Arbor hole diameter
Core diameter: MF-R, MF-RX, MF-R/90
IEC
Mark
f
h
EIA
Mark
c
n
Dimensions
Dimensions
Tolerance
26
(1.024)
80
(3.15)
±12.0
(±.472)
max.
Core diameter: MF-RX/250, MF-R/600
Box: MF-R, MF-RX, MF-R/90
Box: MF-RX/250
Box: MF-R/600
Consecutive missing places: MF-R, MF-RX, MF-R/90
Consecutive missing places: MF-RX/250, MF-R/600
Empty places per reel: MF-R, MF-RX, MF-R/90
Empty places per reel: MF-RX/250, MF-R/600
h
n
56
(2.2)
67
(2.64)
64
(2.52)
91
(3.58)
372
(14.6)
372
(14.6)
372
(14.6)
372
(14.6)
362
(14.25)
362
(14.25)
max.
max.
max.
max.
max.
3
none
Not specified
0.1 %
Taped Component Dimensions - Figure 1
∆h
∆h
∆p
∆p
Reference plane
H
1
L
P
1
F
A
B
W
0
H
0
W
1
W
H
H
1
DIMENSIONS =
MM
(INCHES)
I
2
I
1
P
0
D
0
User direction of feed
Cross section A - B
Reel Dimensions - Figure 2
t
Reel
h
d
User
direction
of
feed
Upper side
Tape
Lower side
f
h
w
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
