FRN2W4.32OHMFF3 datasheet, PDF

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FRN2W4.32OHMFF3: DescriptionFixed Resistor, 2W, 4.32ohm, 350V, 1% +/-Tol, -200,200ppm/Cel,; CategoryPassive components The resistor; File Size166KB，7 Pages; ManufacturerTY-OHM Electronic Works Co., Ltd.; Environmental Compliance

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FRN2W4.32OHMFF3 Overview

Fixed Resistor, 2W, 4.32ohm, 350V, 1% +/-Tol, -200,200ppm/Cel,

FRN2W4.32OHMFF3 Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Objectid	947441146
Reach Compliance Code	compliant
ECCN code	EAR99
structure	Cylindrical
Lead diameter	0.8 mm
Number of terminals	2
Maximum operating temperature	155 °C
Minimum operating temperature	-55 °C
Package diameter	4.5 mm
Package length	11 mm
Package shape	CYLINDRICAL PACKAGE
Package form	Axial
Rated power dissipation(P)	2 W
resistance	4.32 Ω
Resistor type	FIXED RESISTOR
series	FRN
Temperature Coefficient	200 ppm/°C
Tolerance	1%
Operating Voltage	350 V

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FUSIBLE RESISTORS,FLAMEPROOF

8.2 Temperature Cycle:

Following temp. cycles are to be made 5 times and then put at room temp. for one hour, the

resistance value change rate between pre-and-post test shall be within ±1%.

Steps

step

4 step

Temperature(℃)

-55

Room temp.

155

Room temp.

Time (minutes)

8.3 Short Time Over Load:

When the resistors are applied 4 times as much as rated wattage for 5 seconds continuously, it shows

no evidence of arc, flame...etc. Removing the voltage and place the resistors to the normal condition

for 30 minutes, the resistance value change rate between pre-and-post test shall be within

±2%.

8.4 Insulation Character :

Resistors are located in a V-shaped metal trough. Using the DC 500V megger instrument 2 poles to

clutch either side of lead wires and metal trough, measuring the Insulation Resistance which shall be

over 1000MΩ.

8.5 Voltage Withstanding:

Resistors are located in a V-shaped metal trough. Applying suitable voltage listed on DIMENSION

for one minute and should find no physical damage to the resistors, such as arc, char...etc.

8.6 Load Life:

The resistors arrayed are sent into the 70℃ oven, applying rated voltage at the cycle of 1.5 hours

ON, 0.5 hour OFF for 1000

+48

hours in total. Then, after removing the voltage, take the resistors out

-0

of the oven and left under normal temp. for one hour cooling. The resistance value change rate

between pre-and-post test shall be within ±5%.

8.7 Moisture-proof Load Life:

The resistors arrayed are placed into a constant temp./humidity oven at the temp. of 40 ±2℃ and the

humidity of 90½95%, then rated power is applied for 1.5 hours and cut off for 0.5 hour. The similar

cycle will be repeated for 1000

+48

hours in total (including cut-off time). Then remove the voltage,

-0

taking the resistors out of the oven and leaving them at room temp. for one hour. The resistance value

change rate between pre-and-post test shall be within ±5%. There also shall be no evidence of

remarkable change on appearance, and the marking shall not be illegible.

8.8 Solder-ability:

The leads with flux are dipped in a melted solder of 235 ±5℃ for 2 seconds, more than 95% of the

circumference of the lead wires shall be covered with solder.

8.9 Resistance to Soldering Heat:

Two leads are together dipped in a melted solder of 270 ±5℃ for 10 ±1 seconds, or 350 ±10℃ for

3.5 ±0.5 seconds,Then remove the resistors and leaving them at room temp. for one hour. The

resistance value change rate between pre-and-post test shall be within ±1%.

8.10 Nonflammability:

The resistors are applied the power of 16 times the rated wattage for 5 min. and shall not get flame.

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