2920L250DR Littelfuse Inc, 2920L250DR Datasheet - Page 3

• Manufacturer Part Number: 2920L250DR
• Description: PTC RESETTABLE 15V 2.5A SMD 2920
• Manufacturer: Littelfuse Inc
• Series: POLYFUSE® 2920Lr

Specifications of 2920L250DR

• Package / Case: 2920
• R Min/max: 0.035 ~ 0.085 Ohm
• Voltage - Max: 15V
• Time To Trip: 10s
• Current - Hold (ih) (max): 2.5A
• Current - Trip (it): 5A
• Current - Max: 40A
• Hold Current: 2.5 Amps
• Trip Current: 5 Amps
• Current Rating (max): 40 Amps
• Resistance: 0.085 Ohms
• Maximum Voltage: 15 VoltsDC
• Termination Style: SMD/SMT
• Mounting Style: SMD/SMT
• Current Rating: 40 Amps
• Dimensions: 6.73 mm L x 4.8 mm W
• Operating Temperature Range: - 40 C to + 85 C
• Holding Current: 2.5A
• Tripping Current: 5A
• Initial Resistance Max: 0.085ohm
• Operating Voltage: 15VDC
• Ptc Fuse Case: 2920
• Initial Resistance Min: 0.035ohm
• Resistance R1: 0.085ohm
• Length: 7.36mm
• Rohs Compliant: Yes
• External Depth: 1mm
• Fuse Terminals: SMD Caps
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 2920L250DR; F2873TR

Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/2920L.html for current information.
Note: If reflow temperatures exceed the recommended profile,
©2008 Littelfuse, Inc.
Soldering Parameters
Condition
Peak Temp/ Duration Time
Time above liquids (TAL) 220°C
Preheat 120°C~ 180°C
Storage Condition
oven, N
solvents.
Physical Specifications
Terminal Material
Lead Solderability
devices may not meet the performance requirements.
2
environment for lead–free
Solder-Plated Copper (Solder Material:
Matte Tin(Sn))
Meets EIA Specification RS186-9E, ANSI/
J-STD-002 Category 3.
Reflow
260°C / 10 Sec
60 Sec ~ 100 Sec
50 Sec ~ 150 Sec
0°C~35°C, < = 70%RH
Surface Mount > 2920L 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
Vibration
Moisture Sensitivity Level
Environmental Specifications
260
220
180
120
0
Preheating
50 to 150
Soldering
-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
MIL -STD-20 2, Method 107G
+85°C/-40°C 20 times
-30% typical resistance change
MIL–STD–202, Method 215
MIL–STD–883C, Method 2007 .1,
Condition A
Level 2, J–STD–020C
60 to 100
Time(s)
120
Cooling
2920L Series