WIREWOUND
WH/WN Series
Miniature Molded Wirewound
F e at u r e s
AXIAL
LEAD
• WH precision series
• WN Aryton Perry winding Non-Inductive series:
Inductance <1nH at 1MHZ test,
• Designed to meet MIL-R-26F, MIL-STD-202 standard requirements
• Manufacturing process -Wire winding/ Spot
Welding- by Computer Numerical Control (CNC)
machine tools to ensure consistency of product
quality.
• Encapsulated by epoxy molding compound
• Advanced IC encapsulation mold/die technologies
S ERIE S S P ECI F ICATI O N S
characteristics
Power Resistance
Rating
Range
Weight
Type (watts)
(Ω)
(g/1000pc)
WHA 0.5 0.100 - 1.0K
216
WNA
0.100 - 250
WHB
1
0.100 - 4.0K
296
WNB
0.100 - 1.0K
WHC
2
0.10 - 8.0K
712
WNC
0.10 - 2.0K
WHD
3
0.10 - 25K
1160
WND
0.10 - 5.0K
WHE
5
0.10 - 50K
2920
WNE
0.10 - 10K
Ceramic Core CeramTec Rubalit® 85% alumina
End Caps Stainless steel, precision formed
Leads Copper wire,100% Sn (lead free)
coated
Resistance Wire ISAOHM® wire TC ±20ppm/°C
Encapsulation SUMICON 1100/1200 Epoxy molding
compound for IC encapsulation
Standard Tolerance D (0.5%), F (1.0%), J (5.0%)
Temperature ±90 for 0.100Ω-0.99Ω, ±50 for
Coefficient (ppm/°C) 1.00Ω-10.00Ω, ±20 for >10.00Ω
Maximum Working (PxR)1/2
Voltage
Derating Linearly from 100% @ +70°C to 0%
@ +150°C.
Operating Temp -55°C to +150°C
d i m e ns i ons
0.984 / 25
L
D
d
Packaging
�
Type
WH/NA
WH/NB
WH/NC
WH/ND
WH/NE
1
�
Wattage
L
D
0.5 5.08 / 0.200
2.54 / 0.100
1 7.00 / 0.276
3.30 / 0.130
2 11.4 / 0.450
4.57 / 0.180
3 13.54 / 0.530 5.50 / 0.216
5 20.00 / 0.790 7.50 / 0.295
d
0.60 / 0.024
0.60 / 0.024
0.80 / 0.031
0.80 / 0.031
1.00 / 0.039
Tape
Width
64 / 2.520
64 / 2.520
64 / 2.520
84 / 3.307
84 / 3.307
1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
Pitch
5.0 / 0.197
5.0 / 0.197
10 / 0.393
10 / 0.393
10 / 0.393
Reel
Pc/
Diam.
reel
290 / 11.41 1000
290 / 11.41 1000
290 / 11.41 1000
290 / 11.41 500
290 / 11.41 500
