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WRM0204T-1K0JI Datasheet(PDF) 2 Page - Welwyn Components Limited

Part # WRM0204T-1K0JI
Description  Mini Melf Resistors
Download  3 Pages
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Manufacturer  WELWYN [Welwyn Components Limited]
Direct Link  http://www.welwyn-tt.com/
Logo WELWYN - Welwyn Components Limited

WRM0204T-1K0JI Datasheet(HTML) 2 Page - Welwyn Components Limited

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Mini Melf
Resistors
WRM Series
© Welwyn Components Limited Bedlington, Northumberland NE22 7AA, UK
Telephone: +44 (0) 1670 822181 · Facsimile: +44 (0) 1670 829465 · Email: info@welwyn-tt.com · Website: www.welwyn-tt.com
Issue D · 09.06
Welwyn Components
TCR and Tolerance Range
* TC 10ppm & 5ppm is specified over the temperature range -10°C to +85°C.
* Resistors to be mounted on a PC-board according to IEC 115-1, clause 4.27.1
Performance Data
e
c
n
a
r
e
l
o
T
R
C
T
e
p
y
T
Reference
5%
2%
1.0%
0.5%
0.25%
0.1%
WRM0102
±50ppm
R22 – R91
IRO – 9R1
10R – 2.21M
47RS – 221K
100R – 221K
WRM0102
±25ppm
10R – 221K
47R5 – 221K
100R – 221K
100R – 100K
WRM0102
±15ppm
100R – 100K
100R – 100K
100R – 100K
WRM0102
±10ppm
WRM0102
±05ppm
WRM0204
±50ppm
R22 – R91
1R – 10M
10R – 475K
22R – 332K
43R – 332K
WRM0204
±25ppm
10R – 475K
10R – 475K
22R – 332K
43R – 332K
WRM0204
±15ppm
10R – 221K
22R – 221K
43R – 221K
WRM0204
±10ppm
22R – 221K
43R – 221K
WRM0204
±05ppm
100R – 100K
100R – 100K
WRM0207
±50ppm
R22 – R91
1R – 8.2M
10R – 1M
WRM0207
±25ppm
10R – 1M
WRM0207
±15ppm
WRM0207
±10ppm
WRM0207
±05ppm
Test
Results
R/R ±
Stability class
0
.
1
5
.
0
5
2
.
0
n
o
it
p
ir
c
s
e
D
10 Ω – <75 Ω
0.22 Ω – <10 Ω
75 Ω – <100 kΩ
>100 kΩ – 332 kΩ
>332 kΩ – 10 MΩ
Short time overload*
≤ 0.05% + 0.01 Ω
≤ 0.1% + 0.01 Ω
≤ 0.25% + 0.05 Ω
Bending test*
≤ 0.05% + 0.01 Ω
≤ 0.1% + 0.01 Ω
≤ 0.25% + 0.05 Ω
Resistance to soldering heat
≤ 0.05% + 0.01 Ω
≤ 0.1% + 0.01 Ω
≤ 0.25% + 0.05 Ω
Temperature rapid change
≤ 0.05% + 0.01 Ω
≤ 0.1% + 0.01 Ω
≤ 0.25% + 0.05 Ω
Endurance*
Load life
1000h
≤ 0.25% + 0.05 Ω
≤ 0.25% + 0.05 Ω
≤ 0.5% + 0.05 Ω
8000 h
≤ 0.5% + 0.05 Ω
≤ 0.5% + 0.05 Ω
≤ 1.0% + 0.05 Ω
Climatic sequence*
≤ 0.25% + 0.05 Ω
≤ 0.5% + 0.05 Ω
≤ 1.0% + 0.05 Ω
Damp heat steady state*
≤ 0.25% + 0.05 Ω
≤ 0.5% + 0.05 Ω
≤ 1.0% + 0.05 Ω
V
/
V
µ
3
<
V
/
V
µ
5
2
.
0
<
V
/
V
µ
5
0
.
0
<
e
s
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o
n
t
n
e
r
r
u
C
h
t
o
o
m
s
a
h
ti
w
d
e
r
e
v
o
c
e
b
ll
a
h
s
a
e
r
a
d
e
p
p
i
D
y
ti
li
b
a
r
e
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l
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S
and bright solder coating of at least 96%
0
1
.
5
.
0
<
t
n
e
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c
if
f
e
o
c
e
g
a
tl
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V
6/V
f
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o
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p
e
g
a
tl
o
V
200V
300V
500V


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