Features
■ Industry’s lowest internal resistance
■ Switches at optimum temperature
■ Axial leaded, with fl exible design options
available
■ Fully compatible with current industry
standards
■ Weldable nickel terminals
■ Agency recognition:
■ RoHS compliant*
MF-SVS Series - PTC Resettable Fuses
*RoHS COMPLIANT
Environmental Characteristics
Operating Temperature ......................................... -40 °C to +85 °C
Storage Conditions ............................................... +40 °C max. 70 % R.H. max.
Maximum Device Surface Temperature
in Tripped State ................................................ 125 °C
Passive Aging ....................................................... +60 °C, 1000 hours ............................................... ±10 % typical resistance change
Humidity Aging...................................................... +60 °C, 85 % R.H. 1000 hours ............................. ±10 % typical resistance change
Thermal Shock ..................................................... MIL-STD-202F, Method 107G, .............................. ±5 % typical resistance change
+85 °C to -40 °C, 10 times
Vibration ............................................................... MIL-STD-883C, ..................................................... No change
Condition A
Test Procedures And Requirements For Model MF-SVS 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
UL File Number .................................................... E174545
http://www.ul.com/ Follow link to Certifi cations, then UL File No., enter E174545
CSA File Number .................................................. CA110338
http://directories.csa-international.org/ Under “Certifi cation Record” and “File Number”
enter 110338-0-000
TÜV Certifi cate Number ....................................... R 02057213
http://www.tuvdotcom.com/ Follow link to “other certifi cates”, enter File No. 2057213
Electrical Characteristics
Model V max.
Volts
I max.
Amps
Ihold Itrip Initial
Resistance
1 Hour (R1)
Post-Trip
Resistance
Max. Time
to Trip
Tripped
Power
Dissipation
Amperes
at 23 °C
Ohms
at 23 °C
Ohms
at 23 °C
Amperes
at 23 °C
Seconds
at 23 °C
Watts
at 23 °C
Hold Trip Min. Max. Typ. Max. Typ.
MF-SVS170 10 100 1.7 4.1 0.018 0.032 0.023 0.064 8.5 5.0 2.1
MF-SVS175 10 100 1.75 4.2 0.017 0.031 0.022 0.063 8.5 5.0 2.1
MF-SVS210 10 100 2.1 5.0 0.010 0.020 0.016 0.040 10.5 5.0 2.4
MF-SVS230 10 100 2.3 5.2 0.010 0.018 0.014 0.036 12.5 5.0 2.6
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
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.
SVS210
2018S
Thermal Derating Chart - Ihold (Amps)
Model Ambient Operating Temperature
-40 ºC -20 ºC 0 ºC 23 ºC 40 ºC 50 ºC 60 ºC 70 ºC 85 ºC
MF-SVS170 3.3 2.8 2.3 1.7 1.3 1.0 0.8 0.5 0.1
MF-SVS175 3.4 2.9 2.3 1.75 1.3 1.1 0.8 0.5 0.1
MF-SVS210 3.8 3.3 2.7 2.1 1.6 1.3 1.1 0.8 0.4
MF-SVS230 4.2 3.6 3.0 2.3 1.8 1.4 1.1 0.8 0.4
*Itrip is approximately two times Ihold.
Product Dimensions
Model ABCDF
Min. Max. Min. Max. Min. Max. Min. Max. Min. Max.
MF-SVS170 16.0
(0.630)
18.0
(0.709)
4.9
(0.193)
5.5
(0.216)
0.6
(0.024)
0.9
(0.035)
4.1
(0.161)
5.8
(0.228)
3.9
(0.154)
4.1
(0.161)
MF-SVS170N 22.0
(0.866)
24.0
(0.945)
3.6
(0.142)
3.9
(0.153)
0.6
(0.024)
0.9
(0.035)
4.1
(0.161)
5.8
(0.228)
2.4
(0.094)
2.6
(0.102)
MF-SVS175 16.0
(0.630)
18.0
(0.709)
4.9
(0.193)
5.5
(0.216)
0.6
(0.024)
0.9
(0.035)
4.1
(0.161)
5.8
(0.228)
3.9
(0.154)
4.1
(0.161)
MF-SVS175N 22.0
(0.866)
24.0
(0.945)
3.6
(0.142)
3.9
(0.153)
0.6
(0.024)
0.9
(0.035)
4.1
(0.161)
5.8
(0.228)
2.4
(0.094)
2.6
(0.102)
MF-SVS175NL 26.0
(1.024)
28.0
(1.102)
3.6
(0.142)
3.9
(0.153)
0.6
(0.024)
0.9
(0.035)
6.1
(0.240)
7.8
(0.307)
2.4
(0.094)
2.6
(0.102)
MF-SVS210 20.9
(0.823)
23.1
(0.909)
4.9
(0.193)
5.5
(0.216)
0.6
(0.024)
0.9
(0.035)
4.1
(0.161)
5.8
(0.228)
3.9
(0.154)
4.1
(0.161)
MF-SVS210N 30.0
(1.181)
32.0
(1.260)
3.6
(0.142)
3.9
(0.153)
0.6
(0.024)
0.9
(0.035)
4.1
(0.161)
5.8
(0.228)
2.4
(0.094)
2.6
(0.102)
MF-SVS230 20.9
(0.823)
23.1
(0.909)
4.9
(0.193)
5.5
(0.216)
0.6
(0.024)
0.9
(0.035)
4.1
(0.161)
5.8
(0.228)
3.9
(0.154)
4.1
(0.161)
Packaging: Bulk - 500 pcs. per bag. Tape and Reel - Consult factory.
Leads: 1/4 Hardened Nickel 0.125 mm (.005 ”) nom.
NOTE: The dimensions and shape of the leads can be modifi ed to suit the
battery pack design. All models are available without insulation wrapping.
DIMENSIONS: MM
(INCHES)
MF-SVS Series - PTC Resettable Fuses
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.
Applications
■ Any battery pack application that requires protection with the lowest possible resistance:
– Rechargeable battery packs; designed for NiMH and Li-Ion chemical characteristics
– Cellular / cordless phone rechargeable battery packs
– Laptop computer battery packs
F
B
D D
C
A
1.0
(.040) RADIUS
MF-SVS Series - PTC Resettable Fuses
Typical Time to Trip at 23 ˚C How to Order
MF - SVS 210 __ __ __
Multifuse®
Product
Designator
Series
SVS = Axial Leaded
“Strap” Component
Hold Current, Ihold
170-230 (1.70 - 2.30 Amps)
Narrow Device Option
N = Narrow (3.6mm)
Longer Lead Option
L = Longer Leads
Insulating Option
U = Non-Insulated Option
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.
0.001
0.01
0.1
1
10
100
1 10 100
Fault Current (Amps)
Time to Trip (Seconds)
MF-SVS175
MF-SVS170
MF-SVS230
MF-SVS210
Typical Part Marking
Represents total content. Layout may vary.
MANUFACTURER'S
TRADEMARK PART
IDENTIFICATION
DATE CODE
(FIRST DIGIT =
LAST DIGIT OF YEAR;
NEXT THREE DIGITS = DAY OF YEAR)
LOT NO.
(S = CHINA)
SVS210
2018S
MF-SVS, REV. AC, 05/15
