1206L050YR Littelfuse Inc, 1206L050YR Datasheet - Page 2

• Manufacturer Part Number: 1206L050YR
• Description: THERMISTOR PTC 6V .50A RESETTABL
• Manufacturer: Littelfuse Inc
• Series: POLYFUSE® 1206Lr

Specifications of 1206L050YR

• Package / Case: 1206 (3216 Metric)
• R Min/max: 0.150 ~ 0.700 Ohm
• Voltage - Max: 6V
• Time To Trip: 0.1s
• Current - Hold (ih) (max): 500mA
• Current - Trip (it): 1A
• Current - Max: 100A
• Hold Current: 0.5 Amp
• Trip Current: 1 Amp
• Current Rating (max): 40 Amps
• Resistance: 0.6 Ohms
• Maximum Voltage: 6 VoltsDC
• Termination Style: SMD/SMT
• Mounting Style: SMD/SMT
• Current Rating: 40 Amps
• Dimensions: 3.15 mm L x 1.65 mm W x 1.12 mm H
• Operating Temperature Range: - 40 C to + 85 C
• Holding Current: 500mA
• Tripping Current: 1A
• Initial Resistance Max: 0.700ohm
• Operating Voltage: 6VDC
• Ptc Fuse Case: 1206
• External Depth: 0.6mm
• Fuse Terminals: SMD Caps
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 1206L050-C; 1206L050C; 1206L050WRT; F2112TR

The average time current curves and Temperature Rerating curve performance is affected
by a number or variables, and these curves provided as guidance only. Customer must
verify the performance in their application.
1206L Series
Temperature Rerating
Average Time Current Curves
1206L075/13.2
Part Number
1206L035/16
1206L050/15
1206L075TH
1206L150TH
1206L110TH
1206L020
1206L025
1206L035
1206L050
1206L200
1206L012
1206L016
1206L175
0.01
100
0.1
10
1
0.1
Current in Amperes
-40°C
0.18
0.22
0.28
0.37
0.50
0.50
0.71
0.71
2.18
2.50
2.60
1.14
1.14
1.52
1
POLYFUSE
-20°C
0.16
0.20
0.25
0.33
0.45
0.45
0.64
0.64
2.25
2.44
1.04
1.01
1.37
1.94
Surface Mount > 1206L Series
1206L
0.14
0.18
0.23
0.29
0.40
0.40
0.57
0.57
0.88
0.88
2.00
2.35
1.25
1.72
0°C
10
®
Revised: August 20, 2010
Resettable PTCs
Ambient Operation Temperature
0.125
23°C
0.16
0.20
0.25
0.35
0.35
0.50
0.50
0.75
0.75
2.00
1.10
1.50
1.75
28
Hold Current (A)
Temperature Rerating Curve
170%
150%
130%
110%
90%
70%
50%
30%
10%
40°C
0.14
0.22
0.30
0.30
0.42
0.42
0.65
0.65
0.92
0.10
0.17
1.28
1.55
1.78
-40 -30 -20
Please refer to www.littelfuse.com/series/1206L.html for current information.
50°C
0.09
0.20
0.27
0.27
0.39
0.39
0.59
0.59
0.82
0.12
0.15
1.45
1.67
1.17
-10
0
10
Specifications are subject to change without notice.
Temperature (°C)
60°C
0.08
0.24
0.24
0.35
0.35
0.54
0.54
0.75
0.10
0.14
0.17
1.06
1.35
1.50
20
30
40
70°C
0.07
0.09
0.21
0.21
0.31
0.31
0.49
0.49
0.64
0.96
0.12
0.15
1.25
1.45
50
60
© 2010 Littelfuse, Inc.
70
85°C
0.05
0.08
0.09
0.12
0.15
0.15
0.25
0.25
0.41
0.41
0.52
0.77
1.10
1.10
80