Accu-Guard (*)
®
SMD Thin-Film Fuse
ELECTRICAL SPECIFICATIONS
Operating Tem per a ture: -55°C to +125°C
Current carrying capacity at -55°C is 107% of rating;
at +25°C 100% of rating; at +85°C 93% of rating;
at +125°C 90% of rating.
Rated Voltage: 32V
Interrupting Rating: 50A
Insulation Resistance: >20MΩ guaranteed (after fusing at rated voltage)
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 Dissolution of termination
at 260 ±5°C for 60 secs. ≤ 25% of area
ΔR/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. No visible damage
Temperature 5 cycles -55°C to +125°C. Δ R/R<10%
Vibration Per Mil-Std-202F No visible damage
Method 201A and ΔR/R<10%
Method 204D Condition D.
Load Life 25°C, I rated, 20,000 hrs. No visible damage
ΔR/R<10%
1206
Current Resistance Voltage Drop Fusing Current Pre-Arc
Part Number Rating @ 10% x I rated, 25°C @ 1 x I rated, 25°C (within 5 sec.) 25°C I
2
t @ 50A
A Ω (Max.) mV (Max.) A A
2
- sec.
F1206A0R20FWTR 0.200 0.95 350 0.40 0.00002*
F1206A0R25FWTR 0.250 0.75 280 0.50 0.00004*
F1206A0R37FWTR 0.375 0.40 220 0.75 0.00006
F1206A0R50FWTR 0.500 0.35 220 1.00 0.0002
F1206A0R75FWTR 0.750 0.25 220 1.50 0.003
F1206A1R00FWTR 1.000 0.18 220 2.00 0.005
F1206A1R25FWTR 1.250 0.15 220 2.50 0.009
F1206A1R50FWTR 1.500 0.11 220 3.00 0.02
F1206A1R75FWTR 1.750 0.10 210 3.50 0.035
F1206A2R00FWTR 2.000 0.065 160 4.00 0.04
* Current is limited to less than 50A at 32V due to internal fuse resistance.
ENVIRONMENTAL CHARACTERISTICS
