WNBR50FET Datasheet, PDF (1/2 Pages) Ohmite Mfg. Co. – Miniature Molded Wirewound

WH/WN Series
Miniature Molded Wirewound
F e at u r e s
• WH precision series
• WN Aryton Perry winding Non-Inductive series:
Inductance <1nH at 1MHZ test,
• Designed to meet MIL-R-26F, MIL-STD-202 stan-
dard 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
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
characteristics
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
�
�

Type
Wattage
L
D
WH/NA
0.5 5.08 / 0.200 2.54 / 0.100
WH/NB
1 7.00 / 0.276 3.30 / 0.130
WH/NC
2 11.4 / 0.450 4.57 / 0.180
WH/ND
3 13.54 / 0.530 5.50 / 0.216
WH/NE
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
Packaging
Tape
Width
Pitch
64 / 2.520
64 / 2.520
64 / 2.520
84 / 3.307
84 / 3.307
5.0 / 0.197
5.0 / 0.197
10 / 0.393
10 / 0.393
10 / 0.393
Reel
Diam.
290 / 11.41
290 / 11.41
290 / 11.41
290 / 11.41
290 / 11.41
Pc/
reel
1000
1000
1000
500
500
1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax [phone] • www.ohmite.com • [e-mail]
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