Accu-Guard® II SMD Thin-Film Fuse Accu-Guard® II is a version of Accu-Guard® fuses for a wider For F1206B and F0805B at -55°C is 107% of rating, at range of current and voltage ratings. Constructed on alumina +25°C 100% of rating, at +85°C 93% of rating, at +125°C substrates, Accu-Guard® II fuses display superior electrical, 90% of rating. For F0805B 2.50A and 3.00A at +85°C 90% mechanical and environmental properties. Accu-Guard® II of rating, at +125°C 90% of rating. dimensions are standard 0402, 0603, 0805, 1206 and 0612 chip sizes, see page 2. Interrupting rating: 50A. Insulation resistance: >20MΩ guaranteed (after fusing at rated voltage). ELECTRICAL SPECIFICATIONS Operating temperature: -55°C to +125°C For F0612D at -55°C 107% of rating, at +25°C 100% of rating, at +85°C Current carrying capacity: 80% of rating, at +125°C 75% of rating. For F0402E and F0603E at -55°C 107% of rating, at +25°C 100% of rating, at +125°C 80% of rating. For F0603C at -55°C is 107% of rating, at +25°C 100% of rating, at +85°C 90% of rating, at +125°C 75% of rating Current Resistance Voltage Drop Fusing Current Pre-Arc Rated Type Part Number Rating 10% x I rated, 25°C @1 x I rated, 25°C (within 5 sec), 25°C I2t @ 50A Voltage A Ω (max.) mV (max.) A A2-sec V F0402E0R25FSTR 0.25 0.650 220 0.625 0.00005* 32 F0402E0R50FSTR 0.50 0.250 180 1.25 0.0003 32 F0402E0R75FSTR 0.75 0.200 180 1.875 0.003 32 F0402E F0402E1R00FSTR 1.00 0.130 160 2.50 0.008 32 F0402E1R50FSTR 1.50 0.060 140 3.75 0.03 32 F0402E2R00FSTR 2.00 0.040 120 5.00 0.06 32 F0603E0R25FSTR 0.25 0.650 220 0.625 0.00005* 32 F0603E0R37FSTR 0.375 0.450 220 0.940 0.0001 32 F0603E0R50FSTR 0.50 0.250 180 1.25 0.0003 32 F0603E0R75FSTR 0.75 0.200 180 1.875 0.003 32 F0603E1R00FSTR 1.00 0.130 160 2.50 0.008 32 F0603E F0603E1R25FSTR 1.25 0.090 140 3.125 0.01 32 F0603E1R50FSTR 1.50 0.060 140 3.75 0.03 32 F0603E1R75FSTR 1.75 0.050 120 4.375 0.04 32 F0603E2R00FSTR 2.00 0.040 120 5.00 0.06 32 F0603E2R50FSTR 2.50 0.035 100 6.25 0.12 32 F0603E3R00FSTR 3.00 0.030 100 7.50 0.25 32 F0603C0R25FWTR 0.25 0.800 280 0.50 0.00003* 32 F0603C0R37FWTR 0.375 0.500 280 0.75 0.0001 32 F0603C0R50FWTR 0.50 0.320 280 1.00 0.0002 32 F0603C0R75FWTR 0.75 0.300 280 1.50 0.0015 32 F0603C1R00FWTR 1.00 0.200 240 2.00 0.004 32 F0603C F0603C1R25FWTR 1.25 0.170 240 2.50 0.007 32 F0603C1R50FWTR 1.50 0.110 240 3.00 0.012 32 F0603C1R75FWTR 1.75 0.090 240 3.50 0.02 24 F0603C2R00FWTR 2.00 0.075 240 4.00 0.03 24 F0603C2R50FWTR 2.50 0.055 200 5.00 0.05 16 F0603C3R00FWTR 3.00 0.045 200 6.00 0.1 16 F0805B0R25FW/STR 0.25 0.750 280 0.50 0.00003* 63 F0805B0R50FW/STR 0.50 0.350 280 1.00 0.0002 63 F0805B0R75FW/STR 0.75 0.270 280 1.50 0.001 63 F0805B1R00FW/STR 1.00 0.220 280 2.00 0.003 63 F0805B F0805B1R25FW/STR 1.25 0.170 280 2.50 0.007 63 F0805B1R50FW/STR 1.50 0.120 240 3.00 0.010 63 F0805B2R00FW/STR 2.00 0.080 220 4.00 0.030 63 F0805B2R50FW/STR 2.50 0.060 220 5.00 0.050 63 F0805B3R00FW/STR 3.00 0.050 220 6.00 0.10 63 F1206B0R25FW/STR 0.25 0.750 280 0.50 0.00003 63 F1206B0R50FW/STR 0.50 0.350 280 1.00 0.0002 63 F1206B1R00FW/STR 1.00 0.180 240 2.00 0.003 63 F1206B F1206B1R50FW/STR 1.50 0.120 240 3.00 0.010 63 F1206B2R00FW/STR 2.00 0.080 220 4.00 0.030 63 F1206B3R00FW/STR 3.00 0.050 220 6.00 0.10 63 F0612D4R00FWTR 4.00 0.040 260 10 0.10 32 F0612D F0612D5R00FWTR 5.00 0.025 200 12.5 0.25 32 *Current is limited to less than 50A at 32V due to internal fuse resistance. 8 011419

Accu-Guard® II SMD Thin-Film Fuse ENVIRONMENTAL CHARACTERISTICS Test Conditions Requirement Solderability Components completely immersed in a Terminations to be well tinned solder bath at 235 ±5°C for 2 secs. No visible damage Leach Resistance Completely immersed in a solder bath at Dissolution of termination 260 ±5°C for 60 secs ≤ 25% of area ∆R/R<10% Storage 12 months minimum with components Good solderability stored in “as received” packaging. Shear Components mounted to a substrate. No visible damage A force of 5N applied normal to the line joining the terminations and in a line parallel to the substrate Rapid Change of Components mounted to a substrate. 50 No Visible damage Temperature cycles -55° to +125°C. ∆R/R<10% Vibration Components mounted to substrate. No Visible damage 50 cycles -55°C to +125°C. ∆R/R<10% Bend Tested as shown in diagram No visible damage ∆R/R<10% 3 mm Deflection 45mm 45mm Load Life 25°C, rated current, 20,000 hrs. No visible damage F0805B, F1206B ∆R/R<10% 9 090518

Accu-Guard® II Lead-Free SMD Thin-Film Fuse FUSE TIME – CURRENT CHARACTERISTICS FOR TYPE F0403E (TYPICAL) 10 1 2.0A 1.5A 10- 1 1.0A Pre- Arc 0.75A Time, 10- 2 sec 0.5A 0.25A 10- 3 10-4 10- 5 10- 6 0.1 1 10 100 Current, Amp 10 090518

Accu-Guard® II Lead-Free SMD Thin-Film Fuse FUSE PRE-ARC JOULE INTEGRALS VS CURRENT FOR TYPE F0402E (TYPICAL) 100 10 1 Pre- 10-1 Arc 2.0 A I2t, A2sec 10-2 1.5 A 10-3 1.0 A 10-4 0.75 A 10-5 0.5 A 0.25 A 10-6 0 10 20 30 40 50 60 Current, Amp 11 090518

Accu-Guard® II Lead-Free SMD Thin-Film Fuse FUSE PRE-ARC JOULE INTEGRALS VS PRE-ARC TIME FOR TYPE F0402E (TYPICAL) 100 100 0 10 1 10- 1 0 Pre- Arc I2t, 2.0A A2sec 10- 2 0 1.5A 10- 3 0 1.0A 10- 4 0 0.75 A 10- 5 0 0.5A 0.25 A 10- 6 1000 - 6 100 -5 100 -4 100 -3 100 -2 100 -1 1 100 Pre-Arc Time, sec 12 010319

Accu-Guard® II Lead-Free SMD Thin-Film Fuse FUSE TIME – CURRENT CHARACTERISTICS FOR TYPE F0603E (TYPICAL) 10 3.0 A 2.5 A 1 2.0 A 1.75 A 1.5 A 10-1 1.25 A 1.0 A 10-2 0.75 A Pre- Arc 0.5 A Tim e, sec 0.375 A 10-3 0.25 A 10-4 10-5 10-6 0.1 1 10 100 Current, Amp 13 090518

Accu-Guard® II Lead-Free SMD Thin-Film Fuse FUSE PRE-ARC JOULE INTEGRALS VS CURRENT FOR TYPE F0603E (TYPICAL) 100 3.0A 10 2.5A 2.0A 1 1.75A c 10-1 1.5A e s 2A 2c It, 10-2 1.25A Ar e- 1.0A Pr 10-3 0.75A 10-4 0.5A 0.375A 10-5 0.25A 10-6 0 10 20 30 40 50 60 Current, Amp 14 090518

Accu-Guard® II Lead-Free SMD Thin-Film Fuse FUSE PRE-ARC JOULE INTEGRALS VS PRE-ARC TIME FOR TYPE F0603E (TYPICAL) 100 3.0A 10 2.5A 2.0A 1 1.75A 10- 1 1.5A Pre- 1.25A Arc I2t, 10- 2 A2sec 1.0A 10- 3 0.75A 0.5A 10- 4 0.375A 10- 5 0.25A 10-6 10- 6 10 -5 10 -4 10 -3 10 -2 10-1 1 10 Pre-Arc Time, sec 15 090518

Accu-Guard® II SMD Thin-Film Fuse FUSE TIME - CURRENT CHARACTERISTICS *Not recommended for new FOR TYPE F0603C (TYPICAL)* designs, please contact factory 10 0.15A 1 0.25A 0.375A 0.50A 0.75A 1.00A 1.25A 10-1 1.5A 1.75A 2.0A 2.5A 3.0A s d on 10-2 c e S e, m Ti c Ar e- 10-3 Pr 10-4 10-5 10-6 0.1 1 10 100 Current, Amp 16 011419

Accu-Guard® II SMD Thin-Film Fuse FUSE PRE-ARC JOULE INTEGRALS VS. *Not recommended for new CURRENT FOR TYPE F0603C (TYPICAL)* designs, please contact factory 100 10 1 c 10-1 e s 2 A 2t, 10-2 3.00A rc I 2.50A A - 2.00A e Pr 10-3 1.75A 1.50A 1.25A 10-4 1.00A 0.75A 0.50A 10-5 0.375A 0.25A 0.15A 10-6 0 10 20 30 40 50 60 Current, Amp 17 011419

Accu-Guard® II SMD Thin-Film Fuse FUSE PRE-ARC JOULE INTEGRALS VS. PRE-ARC *Not recommended for new TIME FOR TYPE F0603C (TYPICAL)* designs, please contact factory 100 10 1 c 10-1 e s 2 A 2t, 10-2 c I r 3.00A A - e 2.50A Pr 10-3 2.00A 1.50A 1.25A 10-4 1.00A 0.75A 0.50A 10-5 0.25A 0.15A 10-6 10-7 10-6 10-5 10-4 10-3 10-2 10-1 1 10 Pre-Arc Time, Seconds 18 011419

Accu-Guard® II SMD Thin-Film Fuse FUSE TIME - CURRENT CHARACTERISTICS FOR TYPES F0805B AND F1206B (TYPICAL) 10 0.15A 1 0.25A 0.375A 0.50A 0.75A 1.00A 1.25A 10-1 1.5A 1.75A 2.0A 2.5A 3.0A s d on 10-2 c e S e, m Ti c Ar e- 10-3 Pr 10-4 10-5 10-6 0.1 1 10 100 Current, Amp 19 090518

Accu-Guard® II SMD Thin-Film Fuse FUSE PRE-ARC JOULE INTEGRALS VS. CURRENT TIME FOR TYPES F0805B AND F1206B (TYPICAL) 100 10 1 c 10-1 e s 2 A 2t, 10-2 c I Ar 3.00A - e 2.50A Pr 10-3 2.00A 1.50A 1.25A 10-4 1.00A 0.75A 0.50A 10-5 0.25A 0.15A 10-6 0 10 20 30 40 50 60 Current, Amp 20 090518

Accu-Guard® II SMD Thin-Film Fuse FUSE PRE-ARC JOULE INTEGRALS VS. PRE-ARC TIME FOR TYPES F0805B AND F1206B (TYPICAL) 100 10 1 c 10-1 e s 2 A , 2t 10-2 I c r 3.00A A - e 2.50A Pr 10-3 2.00A 1.50A 1.25A 10-4 1.00A 0.75A 0.50A 10-5 0.25A 0.15A 10-6 10-7 10-6 10-5 10-4 10-3 10-2 10-1 1 10 Pre-Arc Time, Seconds 21 090518

Accu-Guard® II SMD Thin-Film Fuse FUSE TIME - CURRENT CHARACTERISTICS FOR *Not recommended for new TYPE F0612D (TYPICAL)* designs, please contact factory 10 1 10-1 s d n o c e S me, 10-2 Ti c Ar e- Pr 10-3 5.0A 4.0A 10-4 10-5 1 10 100 Current, Amp 22 011419

Accu-Guard® II SMD Thin-Film Fuse FUSE PRE-ARC JOULE INTEGRALS VS. PRE-ARC *Not recommended for new TIME FOR TYPE F0612D (TYPICAL)* designs, please contact factory 1000 100 10 1 c e 5.00A s 2 A 2t, 10-1 c I r 4.00A A - e r P 10-2 10-3 10-4 10-5 10-6 10-5 10-4 10-3 10-2 10-1 1 10 Pre-Arc Time, Seconds 23 011419

Accu-Guard® II SMD Thin-Film Fuse FUSE PRE-ARC JOULE INTEGRALS VS. CURRENT *Not recommended for new FOR TYPE F0612D (TYPICAL) designs, please contact factory 1000 100 10 1 c e s 5.00A 2 A 2c it, 10-1 4.00A r A - e r P 10-2 10-3 10-4 10-5 0 10 20 30 40 50 60 Current, Amp 24 011419