®
PowrFilm resistors offer a
major advantage over com-
parable metal film, carbon
composition and fiberglass
core wire types: A high power-
to-size ratio. The PF1 can dis-
sipate 1.0 watt in a size com-
parable to a 0.25 watt resistor
and 3 watts in a package
smaller than a comparable 1
watt unit.
an excellent choice for large
volume, cost-sensitive applica-
tions requiring a high quality
resistor that approaches the
initial accuracy and long term
stability of wirewound resis-
tors.
PowrFilm
Metal Alloy Film Resistors
5% Tolerance
Available in E24 Ohmic Values
F E A T U R E S
• High power-to-size ratio.
• Economical.
PowrFilm is a high qual-
ity resistor constructed with a
metal film alloy deposited on
a high grade ceramic body. A
non-flammable coating pro-
vides for environmental and
electrical protection.
(clean lead to
clean lead)
A
L
B
• Endures continuous full loading
with very little change in value
over time.
• Excellent resistors where com-
pact, space saving resistors are
required.
• 24 Values per decade.
• RoHS compliant product avail-
able Jan. 2006 Add “E” suffix to
part number to specify.
D
PowrFilm resistors are
Dimensions (in. / mm)
Diam. Dim. A
Hot spot Lead
Dim. B Voltage max. ga.
S P E C I F I C A T I O N S
Series Wattage Ohms
Length
PF1
PF2
PF3
1
2
3
1.0-1M 0.256 / 6.5 0.100 / 2.5 0.315 / 8.0 1.1 / 27.9 350 205°C 22
1.0-1M 0.394 / 10 0.154 / 3.9 0.433 / 11 1.0 / 25.4 500 220°C 20
1.0-1M 0.657 / 17 0.205 / 5.2 0.704 / 18 1.5 / 38.1 750 250°C 20
Material
Coating: Non-flammable lacquer.
Core: High grade ceramic.
Terminals: Solder-coated copper
lead.
Derating: Linearly from 100% @
+70°C to 0% @ +155°C.
Electrical
Tolerance: ±5%.
Temperature coefficient: ±250
ppm/°C.
Dielectric withstanding voltage:
500 VAC
S TA N D A R D P A R T N U M B E R S F O R S TA N D A R D R E S I S TA N C E V A L U E S
Wattage
Wattage
Wattage
Wattage
Wattage
Part No.
Prefix
Suffix
Part No.
Prefix
Suffix
Part No.
Prefix
Suffix
Part No.
Prefix
Suffix
Part No.
Prefix
Suffix
5,600 –––5K6
6,200 –––6K2
6,800 –––6K8
7,500 –––7K5
8,200 –––8K2
9,100 –––9K1
10,000 –––10K
11,000 –––11K
12,000 –––12K
13,000 –––13K
15,000 –––15K
16,000 –––16K
18,000 –––18K
20,000 –––20K
22,000 –––22K
24,000 –––24K
30,000 –––30K
33,000 –––33K
36,000 –––36K
39,000 –––39K
43,000 –––43K
47,000 –––47K
51,000 –––51K
56,000 –––56K
62,000 –––62K
68,000 –––68K
75,000 –––75K
82,000 –––82K
91,000 –––91K
100,000 –––100K
110,000 –––110K
120,000 –––120K
130,000 –––130K
150,000 –––150K
160,000 –––160K
180,000 –––180K
200,000 –––200K
220,000 –––220K
240,000 –––240K
270,000 –––270K
300,000 –––300K
330,000 –––330K
360,000 –––360K
390,000 –––390K
430,000 –––430K
470,000 –––470K
510,000 –––510K
560,000 –––560K
620,000 –––620K
680,000 –––680K
750,000 –––750K
820,000 –––820K
910,000 –––910K
1
–––1R0
18 –––18R
20 –––20R
22 –––22R
24 –––24R
27 –––27R
30 –––30R
33 –––33R
36 –––36R
39 –––39R
43 –––43R
47 –––47R
51 –––51R
56 –––56R
62 –––62R
68 –––68R
75 –––75R
82 –––82R
91 –––91R
100 –––100
110 –––110
120 –––120
130 –––130
150 –––150
160 –––160
180 –––180
200 –––200
220 –––220
240 –––240
270 –––270
330 –––330
350 –––350
360 –––360
390 –––390
430 –––430
470 –––470
510 –––510
560 –––560
620 –––620
680 –––680
750 –––750
820 –––820
910 –––910
1,000 –––1K0
1,100 –––1K1
1,200 –––1K2
1,300 –––1K3
1,500 –––1K5
1,600 –––1K6
1,800 –––1K8
2,000 –––2K0
2,200 –––2K0
2,400 –––2K4
2,700 –––2K7
3,000 –––3K0
3,300 –––3K3
3,600 –––3K6
3,900 –––3K9
4,300 –––4K3
4,700 –––4K7
5,100 –––5K1
1.1 –––1R1
1.2 –––1R2
1.3 –––1R3
1.5 –––1R5
1.6 –––1R6
1.8 –––1R8
2
–––2R0
2.2 –––2R2
2.4 –––2R4
2.7 –––2R7
3
–––3R0
3.3 –––3R3
3.6 –––3R6
3.9 –––3R9
4.3 –––4R3
4.7 –––4R7
5.1 –––5R1
5.6 –––5R6
6.2 –––6R2
6.8 –––6R8
7.5 –––7R5
8.2 –––8R2
9.1 –––9R1
10 –––10R
11 –––11R
12 –––12R
13 –––13R
15 –––15R
16 –––16R
1 MEG
–––1M0
= Most popular standard val-
ues
= Standard values
= Non-standard values subject
to minimum handling
charge per item
Ohmite Mfg. Co.
Tel. 1-866-9-OHMITE • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
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