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3425L150 Datasheet PDF

3425L150
Littelfuse

Part Number 3425L150
Description SURFACE MOUNT PTC
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RESETTABLE PTCs
SURFACE MOUNT PTC
2029L/3425L Series
® ® TUV
PRODUCT SERVICE
• The 2029L/3425L Series Resettable devices utilize a
ENVIRONMENTAL SPECIFICATIONS:
unique polymer-based, Positive Temperature Coefficient
Passive Aging: 85°C, 1000 Hours. ±5% typical resistance
(PTC) material to protect electrical circuits against over-
change.
current conditions.
Humidity Aging: 85°C, 85% R.H., 1000 hours. ±5% typi-
• In normal operation, the 2029L/3425L Series PTC has
cal resistance change.
many conductive paths and a very low resistance. In an
overcurrent condition, the temperature of the polymer
material rises. This dramatically reduces the conductive
paths resulting in an immediate rise in resistance. In this
condition, the device provides circuit protection by signif-
Thermal Shock: 85°C / –40°C, 20 times. ±10% typical
resistance change.
Vibration: MIL-STD 202, Method 201. No resistance
change.
icantly limiting the flow of current. However, once the
cause of the initial overcurrent condition is eliminated,
the 2029L/3425L Series PTC cools down and resets to a
low resistance value permitting the normal current flow
to resume.
OBSOLETE• The 2029L/3425L Series are surface mountable.
Mechanical Shock: MIL-STD-202, Method 213 test condi-
tion I (100 g’s, 6 sec.). No resistance change.
Max. Surface Temperature: 125°C
Operating/Storage Temperature: –40°C to 85°C
Rerating Curve for 2029L /3425L Series
AGENCY APPROVALS: Recognized under the
200
Components Program of Underwriters Laboratory and the
Component Acceptance Program of CSA. TUV approved.
AGENCY FILE NUMBERS: UL E183209, CSA LR 108832
PHYSICAL SPECIFICATIONS:
Materials: Terminal Material: Tin Plated Brass to
PARTMIL-T-10727B
150
100
50
Lead Solderability: Meets EIA specification RS186-9E
Device Labeling: Device is marked with the letter ‘L’,
amperage rating and date code.
Packaging: Packaged in tape and reel carrier per
EIA 481-2 standard
Standard reel quantities:
0
-40 -30 -20 -10
0 10 20 30 40 50 60 70 80 90
Temperature (°C)
For NEW Designs use 1812L series PTC in place of the 2029L
Part
Number
Reel Packaging
Quantity
Suffix
Series.
2029L Series
3425L Series
2000
1500
PR
DR
22

















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3425L150 datasheet pdf
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3425L150 SURFACE MOUNT PTC 3425L150
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3425L150 pdf
3425L150 Surface Mount PTC 3425L150
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3425L150 pdf



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