Resistors
WIRE WOUND CERAMIC ENCASED RESISTORS
Boat, Vertical Mounting
The WWV series resistors are wire wound resistors encased in ceramic boat with leads set for vertical mounting. WATTS offers these resistors ranging from 100mΩ to 10KΩ, with power ratings of 1W to 10W.

SPECIFICATION

Type Wattage

DIMENSIONS IN MM

Range in Ohms [Ω] Tolerance
D L H d

WWV 1

1 3.2 9 28 0.60 ± 0.02 0.1 470 5%

WWV 2

2 4.25 11 28 0.65 ± 0.02 0.1 680 5%

WWV 3

3 5 15 28 0.75 ± 0.05 0.1 1K 5%

WWV 4

4 5 15 28 0.75 ± 0.05 0.1 1K 5%

WWV 5

5 6 17 33 0.75 ± 0.05 0.1 3K3 5%

WWV 7

7 8 25 38 0.80 ± 0.05 0.1 10K 5%

WWV 10

10 8 30 38 0.80 ± 0.05 0.1 10K 5%

All Size in mm

ELECTRICAL PERFORMANCE

Tests

Condition Spec

Resistance Temp. Coeff.

-55°C ~ 200°C ± 200 ppm/°C

Short Time Overload

5 times of rated wattag e for 5 sec for upto 3w

10 times of rated wattage for 5 sec. above 3w

±2%

Rated Load

Rated voltage for 30 min. ± 0.5%

Insulation Resistance

500 V megger 1,000MΩ

Load Life

70°C on-off cycle 1,000hrs. ±3%