MF-RX012/250-0 Bourns Inc., MF-RX012/250-0 Datasheet - Page 2

• Manufacturer Part Number: MF-RX012/250-0
• Description: FUSE PTC RESETTABLE 0.12A HOLD
• Manufacturer: Bourns Inc.
• Series: MF-RXr

Specifications of MF-RX012/250-0

• R Min/max: 4.000 ~ 8.000 Ohm
• Voltage - Max: 250V
• Current - Hold (ih) (max): 120mA
• Current - Max: 3A
• Package / Case: Radial
• Initial Resistance Max: 8ohm
• Svhc: No SVHC (15-Dec-2010)
• Approval Bodies: CSA, TUV
• Approval Category: UL Recognised
• Current Max: 3A
• External Depth: 4.6mm
• External Length /: RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Trip (it): -
• Time To Trip: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Additional Features
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
I trip is approximately two times I hold.
Packaging options: BULK: 500 pcs. per bag.
Thermal Derating Chart - I hold (Amps)
Product Dimensions
MF-RX012/250
MF-RX014/250
MF-RX018/250
Ability to withstand AC power cross conditions
Assists equipment with meeting ITU-T K.20/K.21/K.45
Assists equipment with meeting Telcordia GR-1089-C Intrabuilding
Model
MF-RX012/250
MF-RX012/250U
MF-RX014/250
MF-RX014/250U
MF-RX018/250
MF-RX018/250U
Style 1
D
Model
MF-RX/250 Series -
A
C
B
-40 °C
0.186
0.225
0.269
E
(0.256)
(0.236)
(0.256)
(0.236)
(0.433)
(0.409)
Max.
11.0
10.4
6.5
6.0
6.5
6.0
A
0.165
0.199
0.240
-20°C
TAPE & REEL: 1500 pcs. per reel (available binned).
Telecom PTC Resettable Fuses
(0.433)
(0.394)
(0.433)
(0.394)
(0.535)
(0.496)
Max.
11.0
10.0
11.0
10.0
13.6
12.6
B
D
0.143
0.172
0.211
Style 2
0 °C
A
(0.201 ± 0.028)
(0.201 ± 0.028)
(0.201 ± 0.028)
(0.201 ± 0.028)
(0.201 ± 0.028)
(0.201 ± 0.028)
C
5.1 ± 0.7
5.1 ± 0.7
5.1 ± 0.7
5.1 ± 0.7
5.1 ± 0.7
5.1 ± 0.7
Ambient Operating Temperature
0.120
0.145
0.180
Nom.
23 °C
C
B
E
0.099
0.119
0.153
40 °C
(0.185)
(0.185)
(0.185)
(0.185)
(0.185)
(0.185)
Min.
4.7
4.7
4.7
4.7
4.7
4.7
D
50 °C
0.088
0.106
0.138
(0.181)
(0.150)
(0.181)
(0.150)
(0.181)
(0.150)
Max.
4.6
3.8
4.6
3.8
4.6
3.8
E
MANUFACTURER'S
TRADEMARK
DATE CODE
(FIRST DIGIT =
LAST DIGIT OF YEAR;
SECOND DIGIT = MONTH,
AS FOLLOWS:
1-9 = JAN-SEPT
X,Y,Z = OCT-DEC)
Represents total content. Layout may vary.
Typical Part Marking
NOTE: UNCOATED PARTS HAVE NO PART MARKING.
60 °C
0.077
0.093
0.123
Lead Dia.
MARKING IS ON LABEL ONLY.
Physical Characteristics
(0.026)
(0.026)
(0.026)
(0.026)
(0.026)
(0.026)
0.65
0.65
0.65
0.65
0.65
0.65
24001K
RX012
70 °C
0.066
0.080
0.109
DIMENSIONS =
Style
1
2
1
2
1
2
PART
IDENTIFICATION
BATCH/LOCATION
(3 DIGITS = BATCH CODE;
K = KOREA
S = CHINA)
Material
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
85 °C
0.050
0.060
0.087
(INCHES)
MM