Data Sheet

Wirewound Anti-Surge Resistor
Type EP Series
9-1773463-6 CIS WR 03/2012 Dimensions are in millimeters Dimensions are shown for For email, phone or live chat, go to: te.com/help
and inches unless otherwise reference purposes only.
specified. Values in brackets Specifications subject
are standard equivalents. to change.
Characteristics – Environmental
I
tem Limits TestMethod
(
JISC5201-1)
T
emperatureCoefficient <20Ω : ±400PPM/°C R2-R1
o
fResistance(TCR): ≥20Ω : ±300PPM/°C R1 (t2-t1) x10
6
(
PPM/°C)
S
hortTimeOverload: ± (2% + 0.05Ω) Max RCWV*2.5 for 5 seconds
LoadLife: ±(5.0%+0.05Ω)
70±2°C Max. working voltage for 1000 hrs
with 1.5 hrs “ON” and 0.5 hrs “OFF”
4
0±2°C, 90-95% R.H. Max working voltage
L
oadLifeinHumidity: ±(5.0%+0.05Ω) for 1000 hrs with 1.5hrs hrs “ON”
a
nd 0.5 hrs “OFF”
S
olderability: 95% min. coverage 245±5°C for 3 seconds
R
esistancetoSolderingHeat: ±(1.0%+0.05Ω)
L
eads immersed 3.2 – 4.8 mm
f
rom body - 350±10°C for 3±0.05 seconds
ResistancetoSolvent:
No deterioration of Immersed in trichroethane bath
protective coating and markings for 3 minutes with ultrasonic
SurgeImmunityTest: ±(5% + 0.05Ω) Max.
Refer to Max Surge
IEC61000-4-5 Voltage
1
/2W
4
KV
1
WS
1W
5KV
2WS
2W
6KV
3WS
3W
8KV
5WS
5W
9KV
7WS
7
W
1
0KV
8
WS
8
W
1
1KV
9WS
9W
12KV
10WS
StorageTemperature:25±3°C;Humidity60%RH±10%
Marking
For EP Normal Size 1/2W, 1W, 2W, 3W and EP Small Size 1WS, 2WS, 3WS, 5WS Resistors shall be marked with
color coding in accordance with JIS C 0802.
For EP Normal Size 5W, 7W, 8W 9W and EP Small Size 7WS, 8WS, 9WS, 10WS Resistors will be marked with
power rating, nominal resistance and resistance tolerance code.
1stsignificantfigure
2ndsignificantfigure
Multiplier
Tolerence
YellowcolorcodeforAnti-Surge
9W100 ΩJ
13
2
1.2 μsec rising time and 50 μsec discharge;
e
very 1 minute for 10 cycle