MF-RX300 Bourns Inc., MF-RX300 Datasheet - Page 4

• Manufacturer Part Number: MF-RX300
• Description: FUSE PTC RESETTABLE 3A HOLD
• Manufacturer: Bourns Inc.
• Series: MF-RXr

Specifications of MF-RX300

• R Min/max: 0.040 ~ 0.060 Ohm
• Voltage - Max: 60V
• Time To Trip: 19.8s
• Current - Hold (ih) (max): 3A
• Current - Trip (it): 6A
• Current - Max: 40A
• Package / Case: Radial
• Holding Current: 3A
• Tripping Current: 6A
• Initial Resistance Max: 0.06ohm
• Operating Voltage: 60V
• Ptc Fuse Case: Radial Lead
• Initial Resistance Min: 0.04ohm
• Lead Spacing: 10.2mm
• External Depth: 3.1mm
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Dimension Description
Arbor hole diameter
Core diameter: MF-R, MF-RX, MF-R/90
Box: MF-R, MF-RX, MF-R/90
Consecutive missing places:
MF-R, MF-RX, MF-R/90
Empty places per reel: MF-R, MF-RX, MF-R/90
Taped Component Dimensions - Figure 1
Reel Dimensions - Figure 2
MF-R, MF-RX, MF-R/90, MF-RX/72 & MF-RX/250 Series
Tape and Reel Specifications
∆h
w
h
∆h
H
1
I
2
L
I
1
P
P
0
h
f
1
A
d
direction
B
Reference plane
User
feed
F
D
of
0
IEC
Mark
W
h
f
0
H
0
W
1
W
EIA
Mark
c
n
Customers should verify actual device performance in their specific applications.
Cross section A - B
User direction of feed
(2.2)
56
H
Dimensions
Not specified
H
t
1
(1.024)
(3.15)
(14.6)
Reel
372
26
80
∆p
Specifications are subject to change without notice.
3
(14.6)
372
Dimensions
Lower side
Upper side
Tape
∆p
Tolerance
DIMENSIONS =
(±.472)
max.
max.
max.
±12.0
(INCHES)
MM