BOURNS MF-R055/90U

IA
NT
Features
CO
M
PL
■
*R
oH
S
■
R0
12255
0S
■
■
■
Applications
Radial Leaded Devices
Cured, flame retardant epoxy polymer
insulating material meets UL 94V-0
requirements
RoHS compliant*
Lead free
Agency recognition:
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
T V Rheinland
MF-R/90 Series - PTC Resettable Fuses
Electrical Characteristics
Ihold
Itrip
Initial
Resistance
Values
Amps
at 23 °C
Amps
at 23 °C
Ohms
at 23 °C
One Hour
Post-Trip
Resistance
Standard Trip
Ohms
at 23 °C
V max.
Volts
I max.
Amps
Hold
Trip
Min.
Max.
Max.
MF-R055/90
90
10
0.55
1.1
0.45
0.9
MF-R055/90U
90
10
0.55
1.1
0.45
MF-R075/90
90
10
0.75
1.5
0.37
Model
Nominal
Tripped
Power
Dissipation
Maximum
Time
To Trip
Watts
at 23 °C
Amps
at 23 °C
Seconds
at 23 °C
2.0
1.6
60
0.9
2.0
1.6
28
2.0
0.75
1.65
2.0
60
2.5
Typ.
2.0
“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
*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.
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
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
A
Max.
10.9
(0.43)
10.3
(0.4)
11.9
(0.47)
Model
MF-R055/90
MF-R055/90U
MF-R075/90
Packaging options:
BULK: 500 pcs. per bag.
B
Max.
14.0
(0.55)
10.3
(0.4)
15.5
(0.61)
TAPE & REEL: 1500 pcs. per reel.
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 =
AMMO-PACK: 1000 pcs. per pack
MM
(INCHES)
Style 1
A
E
Typical Part Marking
How to Order
MF - R 055/90 U - 0
Represents total content. Layout may vary.
MANUFACTURER'S
TRADEMARK
Multifuse
Product
Designator
LOT NO.
(S = CHINA)
Series
R = Radial Leaded
Component
®
B
PART
IDENTIFICATION
DATE CODE
(FIRST DIGIT =
LAST DIGIT OF YEAR;
NEXT THREE DIGITS =
DAY OF YEAR)
R055
1220S
Hold Current, Ihold
055, 075 (0.55 Amps - 0.75 Amps)
Max. Voltage, V
D
Coating
__ = Coated
U = Uncoated
C
Packaging Options
- 0 = Bulk Packaging
- 2 = Tape and Reel*
- AP = Ammo-Pak*
Also available with straight leads.
*Packaged per EIA486-B
Typical Time to Trip at 23 °C
Time to Trip (Seconds)
100
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.
Dimension Description
IEC
Mark
EIA
Mark
Carrier tape width
W
W
Hold down tape width:
W0
W4
Hold down tape
Top distance between tape edges
Dimensions
Dimensions
Tolerance
18
(.709)
11
(.433)
min.
No protrusion
W2
W6
Sprocket hole position
W1
W5
Sprocket hole diameter
D0
D0
Abscissa to plane (straight lead)
H
H
Abscissa to plane (kinked lead)
H0
H0
Abscissa to top (straight lead)
H1
H1
Abscissa to top (kinked lead)
H1
H1
Overall width w/lead protrusion (straight lead)
C1
Overall width w/lead protrusion (kinked lead)
C1
Overall width w/o lead protrusion (straight lead)
C2
Overall width w/o lead protrusion (kinked lead)
C2
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)
Lead protrusion
I1
L1
Protrusion of cutout
L
L
Protrusion beyond hold tape
I2
I2
Not specified
Sprocket hole pitch
P0
P0
12.7
(0.5)
Pitch tolerance
Device pitch: MF-R005–MF-R160, MF-R/90,
MF-RX110/72–MF-RX185/72, MF-R/72
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,
-0.5/+1.0
(-0.02/+.039)
t
MF-R/72, MF-RX110/72–MF-RX185/72,
max.
max.
max.
max.
max.
max.
max.
max.
20 consecutive
±0.3
(±.012)
±1
(±.039)
12.7
(0.5)
±0.3
(±.012)
25.4
(1.0)
±0.6
(±.024)
t1
0.9
(.035)
1.5
(.059)
max.
t1
2.3
(.091)
max.
t
Tape thickness with splice: MF-R250–MF-R1100
MF-RX110–MF-RX375, MF-R/90, MF-RX250/72–MF-RX375/72
max.
-0.5/+0.75
(-0.02/+0.03)
±0.2
(±.0078)
±3.0
(±.118)
±0.5
(±.02)
Splice sprocket hole alignment
0
Body lateral deviation
∆h
∆h
Body tape plane deviation
∆p
∆p
Lead spacing
F
F
Reel width
w
W2
Reel diameter
d
a
Space between flanges less device
W1
h
0
0
5.08
(0.2)
56
(2.205)
370
(14.57)
4.75
(.187)
max.
±0.3
(±.012)
±1.0
(±.039)
±1.3
(±.051)
±0.2
(±.008)
max.
max.
±3.25
(±.128)
DIMENSIONS =
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
MM
(INCHES)
MF-R, MF-R/72, MF-R/90, MF-R/600, MF-RX, MF-RX/72 & MF-RX/250 Series
Tape and Reel Specifications
IEC
Mark
Dimension Description
EIA
Mark
Dimensions
Dimensions
Tolerance
Arbor hole diameter
f
c
26
(1.024)
±12.0
(±.472)
Core diameter: MF-R, MF-RX, MF-R/90
h
n
80
(3.15)
max.
Core diameter: MF-RX/250, MF-R/600
h
n
91
(3.58)
max.
56
(2.2)
67
(2.64)
64
(2.52)
Box: MF-R, MF-RX, MF-R/90
Box: MF-RX/250
Box: MF-R/600
372
(14.6)
372
(14.6)
372
(14.6)
Consecutive missing places: MF-R, MF-RX, MF-R/90
3
Consecutive missing places: MF-RX/250, MF-R/600
none
372
(14.6)
362
(14.25)
362
(14.25)
Empty places per reel: MF-R, MF-RX, MF-R/90
Not specified
Empty places per reel: MF-RX/250, MF-R/600
0.1 %
max.
max.
max.
max.
Taped Component Dimensions - Figure 1
∆p
∆h
∆h
∆p
Reference plane
P1
H1
A
L
I2
H1
F
H
H0
B
W0
I1
P0
D0
DIMENSIONS =
MM
(INCHES)
W1
W
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.