Bourns PTC fuse Current I(H) 0.05 A 240 V (L x W x H) 20.5 x 8.3 x 3.8 mm MF-RM005/240-2 1 pc(s) MF-RM005/240-2 Data Sheet
Product codes
MF-RM005/240-2
MF-RX Series - PTC Resettable Fuses
Product Dimensions
Advantages
■
Resettable feature with overtemperature and overcurrent protection
can save expensive components from having to be replaced after
tripping, e.g., transformers with built in thermal fuses
tripping, e.g., transformers with built in thermal fuses
■
Faster than bimetallic switch designs that take on average
approximately 30 seconds to cool down and reset
■
Generally lower electromagnetic interference than bimetallic switches
Benefi ts
■
Reduced repair and replacement costs
■
Reduced nuisance tripping
■
Combined overcurrent and overtemperature protector in one device
Model
A B
C
D E
Physical Characteristics
Max.
Max.
Nom.
Tol. ±
Min.
Max.
Style
Lead Dia.
Material
MF-RM005/240
8.3 12.9 5.1 0.7 7.6 3.8
1
0.51
Sn/Cu
(0.327) (0.508) (0.201) (0.028) (0.299) (0.150) (0.020)
MF-RM008/240
8.3 12.9 5.1 0.7 7.6 3.8
1
0.51
Sn/Cu
(0.327) (0.508) (0.201) (0.028) (0.299) (0.150) (0.020)
MF-RM012/240
8.3 12.9 5.1 0.7 7.6 3.8
1
0.51
Sn/Cu
(0.327) (0.508) (0.201) (0.028) (0.299) (0.150) (0.020)
MF-RM016/240
9.9 13.8 5.1 0.7 7.6 3.8
1
0.51
Sn/Cu
(0.390) (0.543) (0.201) (0.028) (0.299) (0.150) (0.020)
MF-RM025/240
10.0 20.0 5.1 0.7 7.6 3.8
2
0.65
Sn/Cu
(0.394) (0.787) (0.201) (0.028) (0.299) (0.150) (0.026)
MF-RM033/240
11.4 20.0 5.1 0.7 7.6 3.8
2
0.65
Sn/Cu
(0.449) (0.787) (0.201) (0.028) (0.299) (0.150) (0.026)
MF-RM040/240
11.5 20.9 5.1 0.7 7.6 3.8
2
0.65
Sn/Cu
(0.453) (0.823) (0.201) (0.028) (0.299) (0.150) (0.026)
MF-RM055/240
14.0 22.4 5.1 0.7 7.6 4.1
2
0.81
Sn/Cu
(0.551) (0.882) (0.201) (0.028) (0.299) (0.161) (0.032)
Packaging options:
BULK: 500 pcs. per bag.
TAPE & REEL: 2000 pcs. per reel (MF-RM005/240~MF-RM040/240); 1000 pcs. per reel (MF-RM055/240)
BULK: 500 pcs. per bag.
TAPE & REEL: 2000 pcs. per reel (MF-RM005/240~MF-RM040/240); 1000 pcs. per reel (MF-RM055/240)
D
B
E
LEAD
DIA.
C
A
D
B
E
LEAD
DIA.
C
A
Typical Part Marking
Represents total content. Layout may vary.
RM055
0220S
MANUFACTURER'S
TRADEMARK
TRADEMARK
PART
IDENTIFICATION
IDENTIFICATION
DATE CODE
(FIRST DIGIT =
LAST DIGIT OF YEAR;
NEXT THREE DIGITS =
DAY OF YEAR)
(FIRST DIGIT =
LAST DIGIT OF YEAR;
NEXT THREE DIGITS =
DAY OF YEAR)
COUNTRY OF
MANUFACTURE
(T = TAIWAN
S = CHINA)
MANUFACTURE
(T = TAIWAN
S = CHINA)
Specifi cations are subject to change without notice.
Customers should verify actual device performance in their specifi c applications.
MF-RM Series - PTC Resettable Fuses
Thermal Derating Chart - Ihold (Amps)
Model
Ambient Operating Temperature
-20 ºC
0 ºC
23 ºC
40 ºC
50 ºC
60 ºC
70 ºC
85 ºC
MF-RM005/240
0.08
0.06
0.05
0.04
0.04
0.03
0.03
0.02
MF-RM008/240
0.12
0.10
0.08
0.07
0.06
0.05
0.04
0.03
MF-RM012/240
0.18
0.15
0.12
0.10
0.09
0.07
0.06
0.04
MF-RM016/240
0.24
0.20
0.16
0.13
0.11
0.10
0.08
0.05
MF-RM025/240
0.38
0.32
0.25
0.21
0.18
0.15
0.13
0.09
MF-RM033/240
0.50
0.42
0.33
0.27
0.23
0.20
0.17
0.11
MF-RM040/240
0.61
0.51
0.40
0.33
0.28
0.24
0.20
0.14
MF-RM055/240
0.80
0.68
0.55
0.46
0.40
0.35
0.29
0.22
0.51 (24AWG)
0.65 (22AWG)
0.81 (20AWG)
0.65 (22AWG)
0.81 (20AWG)
Style 1
Style 2
DIMENSIONS:
MM
(INCHES)