MF-VS170N Datasheet, PDF (1/3 Pages) Bourns Electronic Solutions – PTC Resettable Fuses

*RoHS ^COMPLIANT
20V18SS210N
Features
■ 3.6 mm narrow design axial strap
■ Fully compatible with current
industry standards
■ Weldable nickel terminals
■ Very low internal resistance
■ Low switching temperature
■ Agency recognition:
■ RoHS compliant*
The slotted lead option is currently
available but not, recommended for
new designs.
MF-VS Narrow Body Series - PTC Resettable Fuses
Electrical Characteristics
Model
V max. I max.
Volts Amps
MF-VS170N
12
100
MF-VS175NL 12
100
MF-VS210N
12
100
Ihold
Itrip
Amperes
at 23 °C
Hold
Trip
1.7
3.4
1.75
3.5
2.1
4.7
Initial
Resistance
Min.
0.030
0.029
0.018
Ohms
at 23 °C
Max.
0.052
0.051
0.030
Typ.
0.040
0.038
0.024
1 Hour (R1)
Post-Trip
Resistance
Ohms
at 23 °C
Max.
0.105
0.102
0.060
Max. Time
to Trip
Amperes Seconds
at 23 °C at 23 °C
8.5
3.0
8.75
3.0
10.0
5.0
Tripped
Power
Dissipation
Watts
at 23 °C
Typ.
1.4
1.4
1.5
Environmental Characteristics
Operating/Storage Temperature ........................... -40 °C to +85 °C
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-VS Narrow Body 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 specified 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 Certifications, then UL File No., enter E174545
CSA File Number.................................................. CA110338
http://directories.csa-international.org/ Under “Certification Record” and “File Number”
enter 110338-0-000
TÜV Certificate Number ....................................... R 02057213
http://www.tuvdotcom.com/ Follow link to “other certificates”, enter File No. 2057213
Thermal Derating Chart - Ihold (Amps)
Model
MF-VS170N
MF-VS175NL
MF-VS210N
0 ºC
2.2
2.25
2.9
Ambient Operating Temperature
23 ºC
60 ºC
1.7
0.8
1.75
0.85
2.1
1.0
85 ºC
0.1
0.1
0.1
*Itrip is approximately two times Ihold.
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifications 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 specific applications.