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 TestMethod
(
JISC5201-1)
T
emperatureCoefficient <20Ω : ±400PPM/°C R2-R1
o
fResistance(TCR): ≥20Ω : ±300PPM/°C R1 (t2-t1) x10
6
(
PPM/°C)
S
hortTimeOverload: ± (2% + 0.05Ω) Max RCWV*2.5 for 5 seconds
LoadLife: ±(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
oadLifeinHumidity: ±(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
esistancetoSolderingHeat: ±(1.0%+0.05Ω)
L
eads immersed 3.2 – 4.8 mm
f
rom body - 350±10°C for 3±0.05 seconds
ResistancetoSolvent:
No deterioration of Immersed in trichroethane bath
protective coating and markings for 3 minutes with ultrasonic
SurgeImmunityTest: ±(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
StorageTemperature:25±3°C;Humidity60%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.
1stsignificantfigure
2ndsignificantfigure
Multiplier
Tolerence
YellowcolorcodeforAnti-Surge
9W100 ΩJ
13
2
1.2 μsec rising time and 50 μsec discharge;
e
very 1 minute for 10 cycle
