MF-RX185 Bourns Inc., MF-RX185 Datasheet - Page 4

• Manufacturer Part Number: MF-RX185
• Description: FUSE PTC RESETTABLE 1.85A HOLD
• Manufacturer: Bourns Inc.
• Series: MF-RXr
• Type: PTC Resettable Fusesr

Specifications of MF-RX185

• R Min/max: 0.080 ~ 0.120 Ohm
• Voltage - Max: 60V
• Time To Trip: 12.6s
• Current - Hold (ih) (max): 1.85A
• Current - Trip (it): 3.7A
• Current - Max: 40A
• Package / Case: Radial
• Hold Current: 1.85 Amps
• Trip Current: 3.7 Amps
• Current Rating (max): 40 Amps
• Resistance: 0.12 Ohms
• Maximum Voltage: 60 VoltsDC
• Termination Style: Radial
• Mounting Style: Through Hole
• Current Rating: 40 Amps
• Dimensions: 17.8 mm L x 3.1 mm W x 22.9 mm H x 17.8 mm D
• Lead Spacing: 5.1 mm
• Operating Temperature Range: - 40 C to + 85 C
• Holding Current: 1.85A
• Tripping Current: 3.7A
• Initial Resistance Max: 0.12ohm
• Operating Voltage: 60V
• Ptc Fuse Case: Radial Leaded
• External Depth: 3.1mm
• Initial Resistance Min: 0.08ohm
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, 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