Mini Melf
Resistors
WRM Series
Single Pulse
Maximum Pulse Load
WRM 0102
WRM 0204
WRM 0207
Welwyn Components
100
Pulse Load
P
max
W
10
1
0,1
10
µs
100
µs
1 ms
10 ms
100 ms
1s
10 s
Pulse Duration
t
i
Continuous Pulses
Maximum Pulse Load
Continuous Pulse Load
P
max
WRM 0102
WRM 0204
WRM 0207
100
W
10
1
0,1
10
µs
100
µs
1 ms
10 ms
100 ms
1s
10 s
Pulse Duration
t
i
Packaging
The WRM 0102 and 0204 resistors are supplied reeled on 8mm blister tape.
WRM 0207 resistors are supplied on 12mm blister tape.
Packaging complies with the requirements of IEC 286-3.
Ordering Procedure
Example: WRM0204 at 1 kilohm, 1% tolerance and 50ppm/ºC TCR on a reel of 3000 pieces -
Type
Size
TCR
C 50ppm/ºC
D 25ppm/ºC
Y
15ppm/ºC
T
V
10ppm/ºC
5ppm/ºC
I
Tape
0102
0204
0207
3000 / reel (7”)
3000 / reel (7”)*
1500 / reel (7”)
Standard
WRM
0204
C -
1K0
F
I
Packing
* High precision parts may be supplied on 1000 piece reels – please enquire
Value (use IEC62 code)
Tolerance (use IEC62 code)
B
0.1%
D
0.5%
1%
G 2%
J
5%
C 0.25% F
© 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 [ WELWYN COMPONENTS LIMITED ]
