16R250GU Littelfuse Inc, 16R250GU Datasheet - Page 3

• Manufacturer Part Number: 16R250GU
• Description: PTC RESETTABLE 16V 2.50A RADIAL
• Manufacturer: Littelfuse Inc
• Series: POLYFUSE® 16Rr

Specifications of 16R250GU

• R Min/max: 0.022 ~ 0.053 Ohm
• Voltage - Max: 16V
• Time To Trip: 5s
• Current - Hold (ih) (max): 2.5A
• Current - Trip (it): 4.7A
• Current - Max: 100A
• Package / Case: Radial
• Holding Current: 2.5A
• Tripping Current: 4.7A
• Initial Resistance Max: 0.053ohm
• Initial Resistance Min: 0.022ohm
• Lead Spacing: 5.1mm
• Length: 12.8mm
• Fuse Terminals: Radial Leaded
• External Depth: 3mm
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 16R250G; F3180

© 2010 Littelfuse, Inc
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/16R.html for current information.
Soldering Parameters - Wave Soldering
Pre-Heating Zone
Soldering Zone
Cooling Zone
Physical Specifications
Lead Material
Soldering
Characteristics
Insulating Material
Device Labeling
2.5A: Tin-plated Copper clad Steel
3.0 - 14.0A: 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 > 16R Series
POLYFUSE
Revised: July 12, 2010
®
71
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
190
160
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 1, J–STD–020C
Cooling
16R Series