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Automotive Circuit Protection

PolySwitch Automotive products are qualified and sold under the PS400 specification which is derived from AEC-Q200, the standard for electronic components used in the automotive industry. One key difference between Automotive and standard PolySwitch devices is the rigorous additional testing these devices have successfully passed to meet the demanding environmental conditions that can be found in automotive applications. Another is the addition of new specification values which characterize the products' performance after being subjected to these specified environmental and electrical stress conditions.

Tyco Electronics, the world's leading passive electronic components manufacturer, announced today the introduction of a new line of Raychem Circuit Protection PolySwitch devices for the automotive market: the PolySwitch Bladed Device.

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Product Series AGRF AHRF AHS ASMD
Construction: Radial-leaded Radial-leaded Surface-mount Surface-mount
Surface-
mount
Surface-
mount
IH Hold Current (A) 4A to 14A 0.5A to 15A 0.8A to 1.6A 0.23A to 1.97A
0.12 to 1.5
0.14A to 2.6
IT Trip Current (A) 7.60A to 27.30A 1.00A to 33.0A 2.00A to 3.2A 0.59A to 5A
0.42A to 3.00A
0.34 to 5.00
Max Operating Temperature 85°C 125°C 125°C 85°C
85°C
85°C
Vmax Operating Voltage 16V 16V & 30V 16V 16V to 60V
6V to 48V
6V to 60V
Rmin (Ω) 0.0186 to 0.0022Ω 0.35 to 0.0027Ω 0.05 to 0.13Ω 0.98 to 0.035Ω
0.04 to 0.65
0.015 to 1.50Ω
RaMax (Ω) 0.085 to 0.0067Ω 1.1 to 0.0092Ω 0.55 to 0.15Ω 4.8 to 0,085Ω
R1Max (Ω) 0.061 to 0.0064Ω 1.1 to 0.0092Ω 0.55 to 0.15Ω 4.8 to 0.085Ω 0.11 to 2.60Ω
0.043 to 6.00Ω
I Max (A) 100A 40A & 100A 70A 10A & 40A 10A to 100A 10A to 100A
Form Factor (in) 2018 & 3425 2920 & 3425
1206
1812
Form Factor (mm) 5050 & 8763 7555 & 8763
3216
4532
Tape and Reel EIA468B EIA468B EIA481-2 EIA481-2 EIA481-2 EIA481-2
* Devices tested to the AECQ200 standard
RoHS Compliant RoHS Compliant Versions Available

Definitions
IH
= Hold current: maximum current device will pass without interruption in 25°C, unless otherwise specified (20°C for ASMD).
IT = Trip current: minimum current that will switch the device from low resistance to high resistance in 25°C still air, unless otherwise specified.
Vmax = Maximum voltage device can withstand without damage at rated current.
Imax = Maximum fault current device can withstand without damage at rated voltage.
PD = Power dissipated from device when in the tripped state in 25°C still air, unless otherwise specified.
R1Max = Maximum resistance of device when measured one hour post reflow (surface-mount device) or one hour post trip (radial-leaded device) at 25°C unless otherwise specified.
RaMin = Minimum functional resistance of device after being subjected to the stresses described in PS400 at 25°C, unless otherwise specified.
RaMax = Maximum functional resistance of device after being subjected to the stresses described in PS400 at 25°C, unless otherwise specified.
Rmin = Minimum resistance of device as supplied at 25°C, unless otherwise specified.

 

Part Numbering System for PolySwitch Automotive Devices


Agency Recognition for PolySwitch Automotive Devices

PolySwitch Automotive products are qualified and sold under the PS400 specification which is derived from AEC-Q200, the standard for electronic components used in the automotive industry. For commercial alternatives to these product series please see Radial-leaded or Surface-mount sections.

  • Operation beyond the maximum ratings or improper use may result in device damage and possible electrical arcing and flame.
  • The devices are intended for protection against occasional overcurrent or overtemperature fault conditions and should not be used when repeated fault conditions or prolonged trip events are anticipated.
  • Contamination of the PPTC material with certain silicon based oils or some aggressive solvents can adversely impact the performance of the devices.
  • Device performance can be impacted negatively if devices are handled in a manner inconsistent with recommended electronic, thermal, and mechanical procedures for electronic components.
  • Operation in circuit with a large inductance can generate a circuit voltage (L di/dt) above the rated voltage of the PolySwitch resettable device.