MF-R012/250U-0 Bourns Inc., MF-R012/250U-0 Datasheet - Page 4

• Manufacturer Part Number: MF-R012/250U-0
• Description: PTC Resettable Fuses 250v Max 3Amps Max
• Manufacturer: Bourns Inc.
• Type: Telecom PTC Resettable Fusesr
• Series: MF-RX/250r

Specifications of MF-R012/250U-0

• Hold Current: 0.12 Amp
• Trip Current: 0.24 Amp
• Current Rating (max): 40 Amps
• Resistance: 10 Ohms
• Maximum Voltage: 60 VoltsDC
• Termination Style: Radial
• Mounting Style: Through Hole
• Current Rating: 0.12 Amp
• Dimensions: 6 mm L x 3.8 mm W x 10 mm H
• Lead Spacing: 5.1 mm
• Operating Temperature Range: - 40 C to + 85 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

*Differs from EIA specification.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
Devices taped using EIA468–B/IEC286-2 standards. See table below and Figures 1 and 2 for details.
Dimension Description
Carrier tape width
Hold down tape width: MF-R/600
Hold down tape width: all others
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
Overall width w/lead protrusion
Overall width w/o lead protrusion
Lead protrusion
Protrusion of cutout
Protrusion beyond hold tape
Sprocket hole pitch
Pitch tolerance
Device pitch: MF-R005 – MF-R160 & MF-R/90
Device pitch: MF-R185 – MF-R400 & MF-R/600
Device pitch: MF-RX110 – MF-RX160
Device pitch: MF-RX185 – MF-RX375
Device pitch: MF-R/250 & MF-RX/250
Tape thickness
Tape thickness with splice
Splice sprocket hole alignment
Body lateral deviation
Body tape plane deviation
Lead seating plane deviation: MF-R/600*
Lead seating plane deviation
Lead spacing
Reel width
Reel diameter
Space between flanges less device
MF-R, MF-RX, MF-R/90, MF-R/250, MF-RX/250 & MF-R/600 Series
Tape and Reel Specifications
IEC
Mark
W
W0
W2
W1
D0
H
H0
H1
I1
L
I2
P0
t
∆ h
∆ p
∆ P1
∆ P1
F
w
d
EIA
Mark
W
W4
W4
W6
W5
D0
H
H0
H1
C1
C2
L1
L
I2
P0
t
t1
∆ h
∆ p
P1
P1
F
w
a
20 consecutive
No protrusion
Not specified
Dimensions
(1.268)
(1.673)
(2.205)
(14.57)
(.709)
(.354)
(.157)
(.728)
(.039)
(.433)
(.035)
(.079)
(.015)
(.187)
(.197)
(.433)
(.118)
(.63)
(1.7)
(0.5)
(0.5)
(1.0)
(0.5)
(0.5)
(0.5)
(0.2)
18.5
32.2
43.2
42.5
12.7
12.7
25.4
12.7
12.7
12.7
3.81
5.08
4.75
370
1.0
0.9
2.0
18
11
16
11
0
0
0
0
56
5
3
9
4
Dimensions
Tolerance
(-0.02/+.039)
(-0.02/+0.03)
(±.012)
-0.5/+0.75
max.
max.
max.
max.
max.
max.
max.
max.
(±.039)
(±.051)
(±.028)
(±.028)
(±.035)
max.
max.
(±.128)
DIMENSIONS =
-0.5/+1.0
min.
(±.0078)
±3.25
±0.3
ref.
(±.118)
(±.012)
±1.0
±1.3
±0.7
±0.7
±0.8
±1
(±.02)
±0.2
±3.0
±0.5
±0.3
(INCHES)
MM