MF-S420S Bourns Inc., MF-S420S Datasheet

PTC Resettable Fuses 30Volts 100Amps Hold 4.2A Trip 7.6A

MF-S420S

Manufacturer Part Number

MF-S420S

Description

PTC Resettable Fuses 30Volts 100Amps Hold 4.2A Trip 7.6A

Manufacturer

Bourns Inc.

Type

PTC Resettable Fusesr

Series

MF-Sr

Datasheet

1.MF-RX03072-0.pdf (4 pages)

Specifications of MF-S420S

Hold Current

4.2 Amps

Trip Current

7.6 Amps

Current Rating (max)

100 Amps

Resistance

0.024 Ohms

Maximum Voltage

30 VoltsDC

Termination Style

Axial

Mounting Style

Snap In

Current Rating

100 Amps

Dimensions

32.4 mm L x 13.6 mm W x 1.1 mm H

Operating Temperature Range

- 40 C to + 85 C

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

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Operating/Storage Temperature ........................-40 °C to +85 °C

Maximum Device Surface Temperature

Passive Aging......................................................+85 °C, 1000 hours ....................................±5 % typical resistance change

Humidity Aging....................................................+85 °C, 85% R.H. 7 days ............................±5 % typical resistance change

Vibration ..............................................................MIL-STD-883C, Method 2007.1, ................No change

Test

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 ..................................................E 174545S

CSA File Number ................................................CA 110338

TÜV File Number ................................................R2057213

NOTE: Slotted lead option available on all models.

Electrical Characteristics

Thermal Derating Chart - I hold / I trip (Amps)

MF-S120

MF-S120S

MF-S150

MF-S175

MF-S175S

MF-S200

MF-S350

MF-S420

in Tripped State ................................................125 °C

MF-S120

MF-S120S

MF-S150

MF-S175

MF-S175S

MF-S200

MF-S350

MF-S420

Model

Environmental Characteristics

Test Procedures And Requirements For Model MF-S Series

Model

1.90 / 4.28

2.20 / 4.40

2.50 / 5.59

3.20 / 7.04

5.40 / 9.72

6.40 / 11.5

V max.

Volts

-40 °C

1.70 / 3.83

2.00 / 4.00

2.30 / 5.14

2.80 / 6.16

4.80 / 8.64

5.70 / 10.3

I max.

-20 °C

Amps

100

Test Conditions

Condition A

MF-S Series -

Features

1.50 / 3.38

1.80 / 3.60

2.00 / 4.47

2.50 / 5.50

4.30 / 7.74

5.10 / 9.23

Axial leaded

Fully compatible with current

industry standards

Weldable nickel terminals

Very low internal resistance

Agency recognition:

I hold

1.20

1.50

1.75

2.00

3.50

4.20

Hold

0 °C

Amperes

at 23 °C

1.20 / 2.70

1.50 / 3.00

1.70 / 3.80

2.00 / 4.40

3.50 / 6.30

4.20 / 7.60

Ambient Operating Temperature

2.70

3.00

3.80

4.40

6.30

7.60

I trip

Trip

23 °C

PTC Resettable Fuses

0.085

0.050

0.030

0.017

0.012

Min.

1.00 / 2.25

1.30 / 2.60

1.50 / 3.35

1.70 / 3.74

3.00 / 5.40

3.60 / 6.51

Resistance

40 °C

Customers should verify actual device performance in their specific applications.

Ohms

at 23 °C

Initial

T V Rheinland

0.160

0.090

0.060

0.031

0.024

Max.

0.90 / 2.03

1.10 / 2.20

1.30 / 2.91

1.60 / 3.52

2.80 / 5.04

3.30 / 5.97

Accept/Reject Criteria

50 °C

1 Hour (R 1 )

Resistance

at 23 °C

Post-Trip

Ohms

0.220

0.113

0.120

0.080

0.040

Applications

Max.

RoHS compliant*

Lead free

Rechargeable Battery Pack Protection

Provides overcurrent protection with

125 °C trip temperature

RoHS Directive 2002/95/EC Jan 27 2003 including Annex

Specifications are subject to change without notice.

0.80 / 1.80

1.00 / 2.00

1.20 / 2.68

1.40 / 3.08

2.50 / 4.50

3.00 / 5.43

60 °C

Amperes Seconds

at 23 °C

Max. Time

To Trip

0.70 / 1.58

0.90 / 1.80

1.10 / 2.46

1.20 / 2.64

2.20 / 3.96

2.60 / 4.70

70 °C

at 23 °C

5.0

4.0

3.0

6.0

0.50 / 1.13

0.70 / 1.40

0.90 / 2.01

0.90 / 1.98

1.70 / 3.06

2.10 / 3.80

Dissipation

at 23 °C

85 °C

Tripped

Watts

Power

1.20

1.30

1.50

1.90

2.50

2.90

Typ.

Related parts for MF-S420S

MF-S420S Summary of contents

Page 1

... Passive Aging......................................................+85 °C, 1000 hours ....................................±5 % typical resistance change Humidity Aging....................................................+85 °C, 85% R.H. 7 days ............................±5 % typical resistance change Vibration ..............................................................MIL-STD-883C, Method 2007.1, ................No change Test Procedures And Requirements For Model MF-S Series Test 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 ° ...

Page 2

... Additional Features Patents pending MF-S Series - PTC Resettable Fuses Product Dimensions A Model Min. Max. 19.9 22.1 MF-S120 (0.783) (0.870) 19.9 22.1 MF-S120S (0.783) (0.870) 21.3 23.4 MF-S150 (0.839) (0.921) 20.9 23.1 MF-S175 (0.823) (0.909) 20.9 23.1 MF-S175S (0.823) (0.909) 21.3 23.4 MF-S200 (0 ...

Page 3

... Fault Current (Amps) 10 100 Customers should verify actual device performance in their specific applications. How To Order 120 Multifuse ® Product Designator Series S = Axial Leaded “Strap” Component Hold Current, I hold 120-420 (1.20 Amps - 4.20 Amps) Slotted Lead Option Packaging Options ...

Page 4

... MF-S, MF-LS, MF-LR and MF-VS Series Tape and Reel Specifications Taped Component Dimensions 1.0 + 0.1/ -0 (.039 + .004/-0) DIA. 5.56 ± 0.10 (.219 ± .004) Reel Dimensions 330 (13.0) 48.0 ± 0.3 (1.90 ± .012) 12.0 ± 0.1 (.472 ± .004) 4.0 ± 0.1 (.157 ± ...

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