RARA Electronics Corporation - EW Specifications

PS2
SMD SMART PROTECTOR

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PS2 models use a Cu alloy fusing element with FeCuSn end plates housed
in a ceramic body and sealed with inorganic molding. These models have
UL approval, File number: E238986 for 1-15A. They are also RoHS compliant.
Applications include: LCD inverters.

GENERAL SPECIFICATIONS

Catalogue Number

Ampere Rating(A)

Voltage Rating(V)

Nominal Resistance
Cold ohms(Ω)

1A00

1.00

125

0.165

2A00

2.00

0.063

2A50

2.50

0.052

3A15

3.15

0.040

4A00

4.00

0.032

5A00

5.00

0.020

6A30

6.30

0.018

7A00

7.00

0.015

8A00

8.00

0.011

10A0

10.00

0.008

12A0

12.00

0.006

15A0

15.00

0.004

CHARACTERISTICS Values in [ ] mean change in Ω after test

Open

Opening time

% of Ampere Rating

4 hours Min.

100%

10 seconds Max.

200%

TCR

Within ±400ppm/C

+25C/+100C

Resistance to soldering heat

±[1%+0.05Ω]

260±5C, 2-2.5mm 10±1s. Check R after 1hr at 20C

Dump heat, Steady state

±[5%+0.1Ω]

25±2C, 90-95%RH, 1.5hr On/0.5hr Off cycle, 1000hr

Endurance

±[5%+0.1Ω]

25±2C, 1.5hr On/0.5hr Off cycle, Rated DC V t=1Khr.

Soldering Method

Wave Solder: 260C 10 seconds Max

ELECTRICAL CHARACTERISTICS

% of Ampere Rating

Opening Time

100%

4 hours, Minimum

200%

10 seconds Minimum

DIMENSIONS

Model

Dimensions(mm)

L±0.5

W±0.3

T±0.3

A±0.3

B±0.5

D±1.8

PS2

6.3

3.3

2.8

1.4

1.2

1.8

CONSTRUCTION

ORDERING PROCEDURE EXAMPLE

Catalogue Number	Ampere Rating(A)	Voltage Rating(V)	Nominal Resistance Cold ohms(Ω)
1A00	1.00	125	0.165
2A00	2.00		0.063
2A50	2.50		0.052
3A15	3.15		0.040
4A00	4.00		0.032
5A00	5.00		0.020
6A30	6.30		0.018
7A00	7.00		0.015
8A00	8.00		0.011
10A0	10.00		0.008
12A0	12.00		0.006
15A0	15.00		0.004

Open	Opening time	% of Ampere Rating
	4 hours Min.	100%
	10 seconds Max.	200%
TCR	Within ±400ppm/C	+25C/+100C
Resistance to soldering heat	±[1%+0.05Ω]	260±5C, 2-2.5mm 10±1s. Check R after 1hr at 20C
Dump heat, Steady state	±[5%+0.1Ω]	25±2C, 90-95%RH, 1.5hr On/0.5hr Off cycle, 1000hr
Endurance	±[5%+0.1Ω]	25±2C, 1.5hr On/0.5hr Off cycle, Rated DC V t=1Khr.
Soldering Method		Wave Solder: 260C 10 seconds Max

Model	Dimensions(mm)
Model	L±0.5	W±0.3	T±0.3	A±0.3	B±0.5	D±1.8
PS2	6.3	3.3	2.8	1.4	1.2	1.8