Features
■ Compliant with AEC-Q200 Rev-C- Stress
Test Qualifi cation for Passive Components
in Automotive Applications
■ Operating temperature range up to 125 °C
■ Low thermal derating factor
■ Higher hold currents at elevated
temperature
■ Choice of operating currents
■ RoHS compliant* and Pb free
■ Resettable fault protection of general
electronic equipment
MF-RHT Series - PTC Resettable Fuses
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex.
Specifi cations are subject to change without notice.
Customers should verify actual device performance in their specifi c applications.
Electrical Characteristics
Model V max.
Volts
I max.
Amps
Ihold Itrip Resistance Max. Time
To Tr i p
Tripped
Power
Dissipation
Amperes
at 23 °C
Ohms
at 23 °C
Amperes
at 23 °C
Seconds
at 23 °C
Watts
at 23 °C
Hold Trip RMin. R1Max.
(Post Trip) Max. Typ.
MF-RHT070 16 40 0.7 1.4 0.3 0.8 3.5 4.0 1.4
MF-RHT200 16 100 2.0 3.8 0.045 0.110 12.5 3.0 1.4
MF-RHT450 16 100 4.5 7.8 0.022 0.054 22.5 3.0 3.6
MF-RHT650 16 100 6.5 12.0 0.011 0.026 32.5 5.5 4.3
MF-RHT750 16 100 7.5 13.1 0.0094 0.022 37.5 7.0 4.5
MF-RHT1300 16 100 13.0 24.0 0.0041 0.010 60.0 13.0 6.9
Environmental Characteristics
Operating Temperature ......................................... -40 °C to +125 °C
Storage Temperature ............................................ -40 °C to +85 °C
Passive Aging ....................................................... +85 °C, 1000 hours ............................................... ±15 % typical resistance change
Humidity Aging ..................................................... +85 °C, 85 % R.H. 1000 hours ............................. ±15 % typical resistance change
Thermal Shock ..................................................... MIL-STD-202, Method 107, .................................. ±10 % typical resistance change
+125 °C to -40 °C,10 cycles
Vibration ............................................................... MIL-STD-883C, Method 2007.1, Condition A ...... No change
Test Procedures And Requirements For Model MF-RHT Series
Test Test Conditions Accept/Reject Criteria
Visual/Mech. ......................................................... Verify dimensions and materials ........................... Per MF physical description
Resistance ............................................................ In still air @ 23 °C .................................................. Rmin ≤ R ≤ R1max
Time to Trip ........................................................... At specifi ed current, Vmax, 23 °C ........................ T ≤ max. time to trip (seconds)
Hold Current ......................................................... 30 min. at Ihold ..................................................... No trip
Trip Cycle Life ....................................................... Vmax, Imax, 100 cycles ........................................ No arcing or burning
Trip Endurance ..................................................... Vmax, 48 hours ..................................................... No arcing or burning
Solderability .......................................................... MIL-STD-202, Method 208 ................................... 95 % min. coverage
Thermal Derating Chart - Ihold (Amps)
Model Ambient Operating Temperature
-40 °C -20 °C0 °C 23 °C 40 °C 50 °C 60 °C 70 °C 85 °C 125 °C
MF-RHT070 0.95 0.87 0.79 0.7 0.62 0.56 0.51 0.47 0.39 0.17
MF-RHT200 2.71 2.49 2.26 2.00 1.77 1.60 1.46 1.34 1.11 0.49
MF-RHT450 6.1 5.6 5.1 4.5 4.0 3.6 3.3 3.0 2.5 1.1
MF-RHT650 8.8 8.1 7.4 6.5 5.7 5.3 4.8 4.3 3.6 1.6
MF-RHT750 10.2 9.4 8.6 7.5 6.6 6.1 5.6 5.0 4.1 1.9
MF-RHT1300 17.7 16.3 14.8 13.0 11.4 10.5 9.6 8.6 7.2 3.3
*RoHS COMPLIANT
& AEC APPROVED
RH750
4180S
How to Order
MF - RHT 750 - __
Multifuse® Product
Designator
Series
RHT = High Temperature
Radial Leaded Component
Hold Current, Ihold
070 - 1300 (0.70 - 13.00 Amps)
Packaging Options
- = Bulk Packaging
- 2 = Tape and Reel*
- AP = Ammo-Pak*
*Packaged per EIA 486-B
Specifi cations are subject to change without notice.
Customers 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. E, 01/10
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
AE
B
D
C
E
Style 2
B
D
A
CF
Style 1
F F
AE
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.
IEC EIA Dimensions
Dimension Description Mark Mark Dimensions Tolerance
Carrier tape width W W 18 -0.5/+1.0
(.709) (-0.02/+.039)
Hold down tape width W0 W4 11
min.
(.433)
Hold down tape No protrusion
Top distance between tape edges W2 W
6 3
max.
(.118)
Sprocket hole position W1 W
5 9 -0.5/+0.75
(.354) (-0.02/+0.03)
Sprocket hole diameter D0 D
0 4 ±0.2
(.157) (±.0078)
Abscissa to plane (straight lead) H H 18.5 ±3.0
(.728) (±.118)
Abscissa to plane (kinked lead) H0 H
0 16 ±0.5
(.63) (±.02)
Abscissa to top: MF-RHT070 ~ MF-RHT450 H1 H
1 32.2
max.
(1.268)
Abscissa to top: MF-RHT650 ~ MF-RHT1300 H1 H
1 45.0
max.
(1.837)
Overall width w/lead protrusion: MF-RHT070 ~ MF-RHT450 C1 42.5
max.
(1.673)
Overall width w/lead protrusion: MF-RHT650 ~ MF-RHT1300 C1 55.0
max.
(2.165)
Overall width w/o lead protrusion: MF-RHT070 ~ MF-RHT450 C2 42.5
max.
(1.673)
Overall width w/o lead protrusion: MF-RHT650 ~ MF-RHT1300 C2 54.0
max.
(2.126)
Lead protrusion I1 L
1 1.0
max.
(.039)
Protrusion of cutout L L 11
max.
(.433)
Protrusion beyond hold-down tape I2 I
2 Not specifi ed
Sprocket hole pitch P0 P
0 12.7 ±0.3
(0.5) (±.012)
Pitch tolerance 20 consecutive ±1
(±.039)
Device pitch: MF-RHT070 ~ MF-RHT450 12.7 ±0.3
(0.5) (±.012)
Device pitch: MF-RHT650 ~ MF-RHT1300 25.4 ±0.6
(1.0) (±.024)
Tape thickness t t 0.9
max.
(.035)
Tape thickness with splice: MF-RHT070 t1 1.5
max.
(.059)
Tape thickness with splice: MF-RHT450 ~ MF-RHT1300 t1 2.3
max.
(.091)
Splice sprocket hole alignment 4.0 ±0.2
(.157) (±.008)
Body lateral deviation Δh Δh 0
±1
(±.039)
Body tape plane deviation Δp Δp 0
±0.3
(±.012)
Ordinate to adjacent component lead P1 P1 3.81 ±0.07
(.015) (±.028)
MF-RHT Series Tape and Reel Specifi cations
Specifi cations are subject to change without notice.
Customers should verify actual device performance in their specifi c applications
Devices taped using EIA468–B/IEC60286-2 standards. See table below and Figures 1 and 2 for details.
DIMENSIONS: MM
(INCHES)
t
User direction of feed
Cross section A - B
pp
H
H1
Reference plane
W0
H0W1
W
AB
F
D0
P0
I1
I2
L
H1
P1
h
h
IEC EIA Dimensions
Dimension Description Mark Mark Dimensions Tolerance
Lead spacing: MF-RHT070 ~ MF-RHT750 F F 5.08 -0.2/+0.8
(0.2) (-0.006/+0.031)
Lead spacing: MF-RHT1300 F F 10.2 -0.2/+0.8
(0.402) (-0.006/+0.031)
Reel width: MF-RHT070 ~ MF-RHT450 w W2 56
max.
(2.20)
Reel width: MF-RHT650 ~ MF-RHT1300 w W2 63.5
max.
(2.50)
Reel diameter d a 370.0
max.
(14.57)
Space between fl anges less device 4.75 ±3.25
W1 h (.187) (±.128)
Arbor hole diameter f c 26.0 ±12.0
(1.02) (±.472)
Core diameter h n 80.0
max.
(3.15)
Box 64 372 372
(2.52) (14.6) (14.6)
Consecutive missing places 3 max.
Empty places per reel Not specifi ed
MF-RHT Series Tape and Reel Specifi cations
Specifi cations are subject to change without notice.
Customers should verify actual device performance in their specifi c applications
Taped Component Dimensions - Figure 1
Reel Dimensions - Figure 2
DIMENSIONS: MM
(INCHES)
h
w
h
f
d
Reel
Upper side
Tape
Lower side
User
direction
of
feed
