30R185-PB Littelfuse Inc, 30R185-PB Datasheet - Page 3

• Manufacturer Part Number: 30R185-PB
• Description: PTC Resettable Fuses 30V 1.85A-HD 40A MAX
• Manufacturer: Littelfuse Inc

Specifications of 30R185-PB

• Hold Current: 1.85 Amps
• Trip Current: 3.7 Amps
• Current Rating (max): 40 Amps
• Resistance: 0.09 Ohms
• Maximum Voltage: 30 VoltsDC
• Termination Style: Radial
• Mounting Style: Through Hole
• Current Rating: 40 Amps
• Dimensions: 10.2 mm W
• Operating Temperature Range: - 40 C to + 85 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/30R.html for current information.
©2008 Littelfuse, Inc.
©2008 Littelfuse, Inc.
Soldering Parameters - Wave Soldering
Pre-Heating Zone
Soldering Zone
Cooling Zone
Physical Specifications
Lead Material
Soldering
Characteristics
Insulating Material
Device Labeling
0.90-2.50A: Tin-plated Copper clad steel
3.00-9.00A: Tin-plated Copper
Solderability per MIL–STD–202,
Method 208E
Cured, flame retardant epoxy polymer
meets UL94V-0 requirements.
Marked with ‘LF’, voltage, current rating,
and date code.
Refer to the condition recommended
by the flux manufacturer.
Max. ramping rate should not exceed
4°C/Sec.
Max. solder temperature should not
exceed 260°C
Cooling by natural convection in air.
Radial Leaded > 30R Series
POLYFUSE
Revised: October 24, 2008
®
Resettable PTCs
Operating/Storage
Temperature
Maximum Device Surface
Temperature in Tripped State
Passive Aging
Humidity Aging
Thermal Shock
Solvent Resistance
Moisture Resistance Level
Environmental Specifications
260
220
160
190
0
Preheating
60 min.
Soldering
5 max.
Time(s)
-40°C to +85°C
125°C
+85°C, 1000 hours
-/+5% typical resistance
change
+85°C, 85% R.H., 1000 hours
-/+5% typical resistance
change
+85°C to -40°C 10 times
-/+5% typical resistance
change
MIL–STD–202, Method 215F
No change
Level 2, J–STD–020C
Cooling
30R Series