Datasheet
Specifi cations are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specifi c applications.
MF-RHT Series - PTC Resettable Fuses
Product Dimensions
DIMENSIONS:
MM
(INCHES)
Model
A B C D E F Physical Characteristics
Max. Max. Nom. Tol. ± Min. Max. Nom. Style Material
MF-RHT070
6.86
(0.27)
10.8
(0.425)
5.1
(0.201)
0.7
(0.028)
7.6
(0.30)
3.0
(0.12)
0.51
(0.020)
1 Sn/CuFe
MF-RHT200
9.4
(0.37)
14.0
(0.55)
5.1
(0.201)
0.7
(0.028)
7.6
(0.30)
3.0
(0.12)
0.51
(0.020)
3 Sn/Cu
MF-RHT450
10.4
(0.41)
15.6
(0.61)
5.1
(0.201)
0.7
(0.028)
7.6
(0.30)
3.0
(0.12)
0.81
(0.032)
2 Sn/Cu
MF-RHT650
12.7
(0.50)
22.2
(0.88)
5.1
(0.201)
0.7
(0.028)
7.6
(0.30)
3.0
(0.12)
0.81
(0.032)
2 Sn/Cu
MF-RHT750
14.0
(0.55)
23.5
(0.93)
5.1
(0.201)
0.7
(0.028)
7.6
(0.30)
3.0
(0.12)
0.81
(0.032)
2 Sn/Cu
MF-RHT1300
23.5
(0.925)
28.7
(1.17)
10.2
(0.402)
0.7
(0.028)
7.6
(0.30)
3.6
(0.14)
1.0
(0.040)
2 Sn/Cu
Packaging:
BULK: 500 pcs. per bag
TAPE & REEL: MF-RHT070 ~ MF-RHT200 = 3000 pcs. per reel; MF-RHT450 ~ MF-RHT650 = 1500 pcs. per reel;
MF-RHT750 ~ MF-RHT1300 = 1000 pcs. per reel
AMMO-PACK: MF-RHT070 ~ MF-RHT200 = 2000 pcs. per pack; MF-RHT450 ~ MF-RHT750 = 1000 pcs. per pack;
MF-RHT1300 = 500 pcs. per pack
MF-RHT SERIES, REV. F, 06/13
Typical Time to Trip at 23 ˚C
Typical Part Marking
Represents total content. Layout may vary.
0.51 (24AWG)
0.81 (20AWG)
1.0 (18AWG)
Applications
■ Protection of automotive circuitry including engine control modules
■ Overcurrent surge protection of electronic equipment required to operate at high operating temperature ranges
■ Resettable fault protection of general electronic equipment
A
E
B
D
C
E
Style 2
B
D
A
CF
Style 1
F F
A
E
B
D
C
Style 3
RH750
4180S
MANUFACTURER'S
TRADEMARK
PART
IDENTIFICATION
COUNTRY OF
MANUFACTURE
(S = CHINA)
DATE CODE
(FIRST DIGIT =
LAST DIGIT OF YEAR;
NEXT THREE DIGITS =
DAY OF YEAR)
EXAMPLE: 4180 = 2004 DAY 180
0.01
0.1
1
10
100
1 10 100
Fault Current (Amps)
Time to Trip (Seconds)
MF-RHT070 MF-RHT200 MF-RHT450 MF-RHT1300
MF-RHT650
MF-RHT750
The Time to Trip curves represent
typical performance of a device in
a simulated application environment.
Actual performance in specifi c
customer applications may differ
from these values due to the
infl uence of other variables.