PL IA NT CO M *R oH S Features Applications ■ Radial leaded devices ■ Food blenders, coffee machines ■ Cured, flame retardant epoxy polymer ■ HVAC RM055 0220S ■ ■ ■ ■ insulating material meets UL 94V-0 requirements Bulk packaging, tape and reel available Resettable circuit protection Agency recognition: RoHS compliant* ■ Electric fans, blowers ■ AC adaptors MF-RM Series - PTC Resettable Fuses Electrical Characteristics Typical Current Trip Limit Model MF-RM005/240 MF-RM008/240 MF-RM012/240 MF-RM016/240 MF-RM025/240 MF-RM033/240 MF-RM040/240 MF-RM055/240 Vmax Imax Initial Resistance One Hour Post-Trip Resistance Max. Time to Trip Tripped Power Dissipation at 23 °C PD Typ. at 23 °C Ihold at 23 °C Itrip at 23 °C Operating Voltage Interrupt Voltage Interrupt Current RMin. at 23 °C R1 Max. at 23 °C (A) 0.05 0.08 0.12 0.16 0.25 0.33 0.40 0.55 (A) 0.12 0.19 0.30 0.37 0.56 0.74 0.90 1.25 (Vac) 240 240 240 240 240 240 240 240 (Vac) 265 265 265 265 265 265 265 265 (A) 1.0 1.2 1.2 2.0 3.5 4.5 5.5 7.0 (Ohms) 18.50 7.40 3.00 2.50 1.30 0.77 0.60 0.45 (Ohms) 65.00 26.00 12.00 7.80 3.80 2.60 1.90 1.45 (A) 0.25 0.40 0.60 0.80 1.25 1.65 2.00 2.75 (Sec.) 10.0 10.0 15.0 15.0 18.5 21.0 24.0 26.0 Environmental Characteristics Operating Temperature.................................... -20 °C to +85 °C Humidity Aging................................................. +85 °C, 85 % R.H. 1000 hours .........................Rmin ≤ R ≤ R1max Passive Aging .................................................. +85 °C, 1000 hours...........................................Rmin ≤ R ≤ R1max Vibration .......................................................... MIL-STD-883C, Method 2007.1,.......................No change Condition A Solvent Resistance .......................................... MIL-STD-202, Method 215 ...............................No change Test Procedures And Requirements For Model MF-RM Series Item Test Conditions Accept/Reject Criteria Visual/Mechanical............................................ Verify dimensions and material .........................Per MF physical description Resistance ....................................................... In still air @ 23 °C .............................................Rmin ≤ R ≤ R1max Time to Trip ...................................................... 240 Vac, specified current ................................T ≤ max. time to trip Hold Current .................................................... At Ihold..............................................................No trip Trip Cycle Life .................................................. 240 Vac, Imax, 100 cycles ................................No arcing or burning Trip Endurance ................................................ a) 240 Vac, Imax, 24 hours ..............................No arcing or burning b) 265 Vac, Imax, 30 mins. Solderability ..................................................... MIL-STD-202, Method 208 ...............................95 % min. coverage UL File Number ............................................... E174545 *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. Customers should verify actual device performance in their specific applications. (W) 0.9 0.9 1.0 1.4 1.5 1.7 2.0 3.4 Advantages Benefits ■ Resettable feature with overtemperature and overcurrent protection ■ Reduced repair and replacement costs can save expensive components from having to be replaced after tripping, e.g., transformers with built in thermal fuses ■ Faster than bimetallic switch designs that take on average approximately 30 seconds to cool down and reset ■ Generally lower electromagnetic interference than bimetallic switches ■ Reduced nuisance tripping ■ Combined overcurrent and overtemperature protector in one device MF-RX Series MF-RM Series--PTC PTCResettable ResettableFuses Fuses Thermal Derating Chart - Ihold (Amps) Ambient Operating Temperature Model -20 ºC 0.08 0.12 0.18 0.24 0.38 0.50 0.61 0.80 MF-RM005/240 MF-RM008/240 MF-RM012/240 MF-RM016/240 MF-RM025/240 MF-RM033/240 MF-RM040/240 MF-RM055/240 0 ºC 0.06 0.10 0.15 0.20 0.32 0.42 0.51 0.68 23 ºC 0.05 0.08 0.12 0.16 0.25 0.33 0.40 0.55 40 ºC 0.04 0.07 0.10 0.13 0.21 0.27 0.33 0.46 50 ºC 0.04 0.06 0.09 0.11 0.18 0.23 0.28 0.40 60 ºC 0.03 0.05 0.07 0.10 0.15 0.20 0.24 0.35 70 ºC 0.03 0.04 0.06 0.08 0.13 0.17 0.20 0.29 85 ºC 0.02 0.03 0.04 0.05 0.09 0.11 0.14 0.22 Product Dimensions A Max. 8.3 (0.327) 8.3 (0.327) 8.3 (0.327) 9.9 (0.390) 10.0 (0.394) 11.4 (0.449) 11.5 (0.453) 14.0 (0.551) Model MF-RM005/240 MF-RM008/240 MF-RM012/240 MF-RM016/240 MF-RM025/240 MF-RM033/240 MF-RM040/240 MF-RM055/240 B Max. 12.9 (0.508) 12.9 (0.508) 12.9 (0.508) 13.8 (0.543) 20.0 (0.787) 20.0 (0.787) 20.9 (0.823) 22.4 (0.882) C Nom. 5.1 (0.201) 5.1 (0.201) 5.1 (0.201) 5.1 (0.201) 5.1 (0.201) 5.1 (0.201) 5.1 (0.201) 5.1 (0.201) D Min. 7.6 (0.299) 7.6 (0.299) 7.6 (0.299) 7.6 (0.299) 7.6 (0.299) 7.6 (0.299) 7.6 (0.299) 7.6 (0.299) Tol. ± 0.7 (0.028) 0.7 (0.028) 0.7 (0.028) 0.7 (0.028) 0.7 (0.028) 0.7 (0.028) 0.7 (0.028) 0.7 (0.028) E Max. 3.8 (0.150) 3.8 (0.150) 3.8 (0.150) 3.8 (0.150) 3.8 (0.150) 3.8 (0.150) 3.8 (0.150) 4.1 (0.161) Physical Characteristics Style 1 1 1 1 2 2 2 2 Material Sn/Cu Sn/Cu Sn/Cu Sn/Cu Sn/Cu Sn/Cu Sn/Cu Sn/Cu 0.51 (24AWG) DIMENSIONS: 0.65 (22AWG) 0.81 (20AWG) Packaging options: BULK: 500 pcs. per bag. TAPE & REEL: 2000 pcs. per reel (MF-RM005/240~MF-RM040/240); 1000 pcs. per reel (MF-RM055/240) Style 1 Lead Dia. 0.51 (0.020) 0.51 (0.020) 0.51 (0.020) 0.51 (0.020) 0.65 (0.026) 0.65 (0.026) 0.65 (0.026) 0.81 (0.032) MM (INCHES) Style 2 Typical Part Marking A A E E Represents total content. Layout may vary. MANUFACTURER'S TRADEMARK PART IDENTIFICATION B LEAD DIA. D C DATE CODE (FIRST DIGIT = LAST DIGIT OF YEAR; NEXT THREE DIGITS = DAY OF YEAR) B LEAD DIA. RM055 0220S COUNTRY OF MANUFACTURE (T = TAIWAN S = CHINA) D C Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. MF-RM Series - PTC Resettable Fuses How to Order Typical Time to Trip at 23 ˚C MF - RM 005 / 240 - 2 100 Time to Trip (Seconds) A B C D F G H E A = MF-RM005/240 B = MF-RM008/240 C = MF-RM012/240 D = MF-RM016/240 E = MF-RM025/240 F = MF-RM033/240 G = MF-RM040/240 H = MF-RM055/240 10 1 Multifuse® Product Designator Series RM = Radial Leaded Component Hold Current, Ihold 005-055 (0.05 Amps - 0.55 Amps) Operating Voltage, Vmax 240 = 240 Vac Packaging Options - 0 = Bulk Packaging - 2 = Tape and Reel *Packaged per EIA486-B 0.1 0.1 1 10 Fault Current (Amps) Asia-Pacific: Tel: +886-2 2562-4117 • Fax: +886-2 2562-4116 Europe: Tel: +41-41 768 5555 • Fax: +41-41 768 5510 The Americas: Tel: +1-951 781-5500 • Fax: +1-951 781-5700 www.bourns.com MF-RM SERIES, REV. A, 08/12 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications MF-RM Series Tape and Reel Specifications Devices taped using EIA468–B/IEC60286-2 standards. See table below and Figures 1 and 2 for details. IEC Mark EIA Mark Carrier tape width W W Hold down tape width W0 W4 Dimension Description Hold down tape Dimensions Dimensions Tolerance 18 -0.5/+1.0 (.709) (-0.02/+.039) 11 min. (.433) No protrusion Top distance between tape edges W2 W6 Sprocket hole position W1 W5 Sprocket hole diameter D0 D0 Abscissa to plane (MF-RM005/240~MF-RM016/240) H H Abscissa to plane (MF-RM025/240~MF-RM055/240) H0 H0 Abscissa to top (MF-RM005/240~MF-RM016/240) H1 H1 Abscissa to top (MF-RM025/240~MF-RM055/240) H1 H1 Overall width w/lead protrusion (MF-RM005/240~MF-RM016/240) C1 Overall width w/lead protrusion (MF-RM025/240~MF-RM055/240) C1 Overall width w/o lead protrusion (MF-RM005/240~MF-RM016/240) C2 Overall width w/o lead protrusion (MF-RM025/240~MF-RM055/240) C2 3 (.118) 9 (.354) 4 (.157) 18.5 (.728) 16 (.63) 32.2 (1.268) 45.0 (1.772) 43.2 (1.701) 56.0 (2.205) 42.5 (1.673) 56.0 (2.205) 1.0 (.039) 11 (.433) Lead protrusion I1 L1 Protrusion of cutout L L Protrusion beyond hold-down tape I2 I2 Not specified Sprocket hole pitch P0 P0 12.7 (.500) Pitch tolerance 20 consecutive Device pitch (MF-RM005/240-MF-RM040/240) Device pitch (MF-RM055/240) Tape thickness t t Tape thickness with splice (MF-RM005/240~MF-RM040/240) t1 Tape thickness with splice (MF-RM055/240) t1 Splice sprocket hole alignment 0 Body lateral deviation Δh Δh Body tape plane deviation Δp Δp Lead seating plane deviation Lead spacing 12.7 (.500) 25.4 (1.00) 0.9 (.035) 1.5 (.059) 2.3 (.091) ΔP1 P1 F F 0 0 3.81 (.015) 5.08 (.200) max. -0.5/+0.75 (-0.02/+0.03) ±0.2 (±.079) ±3.0 (±.118) ±0.5 (±.02) max. max. max. max. max. max. max. max. ±0.3 (±.012) ±1 (±.039) ±0.3 (±.012) ±0.6 (±.024) max. max. max. ±0.3 (±.012) ±1 (±.039) ±0.3 (±.012) ±0.7 (±.028) +0.8/-0.5 (+.031/-.020) DIMENSIONS: Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. MM (INCHES) MF-RM Series Tape and Reel Specifications IEC Mark EIA Mark Reel width (MF-RM005/240~MF-RM040/240) w w2 Reel width (MF-RM055/240) w w2 Reel diameter d a Space between flanges (MF-RM005/240~MF-RM040/240) h w1 Space between flanges (MF-RM055/240) h w1 Arbor hole diameter f c Core diameter h n Dimension Description Dimensions Dimensions Tolerance 56.0 max. (2.20) 63.5 max. (2.50) 370.0 max. (14.57) 48.0 max. (1.89) 55.0 max. (2.17) 26.0 ±12.0 (1.02) (±.472) 91.0 max. (3.58) 64 372 372 max. (2.5) (14.6) (14.6) Box Consecutive missing places Empty places per reel 3 max. 0.1 % max. DIMENSIONS: Taped Component Dimensions - Figure 1 h p h MM (INCHES) p Reference plane P1 H1 A L I2 H1 F H H0 B W0 I1 P0 W1 W D0 User direction of feed Cross section A - B Reel Dimensions - Figure 2 t h d User direction of feed Reel Upper side Tape Lower side f h w Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.