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116

See website for

custom core info

Tolerance

F= 1%

H= 3%

J= 5%

K= 10%

(std.)

Ohms

Example:

R0200 = 0.02

R2000 = 0.2

2R500 = 2.5

10R00 = 10

Series

230 = Adjustable

280 = Fixed

480 = Silicone fixed

680 = Centohm fixed

Wattage &

Core Code

See “Core and

Terminal Selection”

Terminal Type

See “Resistor

Terminals for

Tubular Cores”

Tolerance

K = 10%

Ohms

example:

1R0 = 1Ω

250 = 250Ω

1K0 = 1,000Ω

25K = 25,000Ω

25K5 = 25,500Ω

RoHS Compliant

Series

C = Fixed

E = Adjustable

Wattage

Coating

Blank = Vitreous

C = Centohm

S = Silicone

280 Series

Vitreous Enamel Power

o R de R ing in F o R mation

Standard

Made-to-order

Core and Terminal Selection for Made to Order Type

1500

2.50”

1.75”

20.0”(508.00mm)

S

0.56 358 45

1000

(63.5mm)

(44.45mm)

15.0”(381.00mm)

S

0.41 258

750

12.0”(304.80mm)

S

0.31 198

380

6.0”(152.40mm)

S

0.13

78

550

1.625”

1.125”

11.75”(298.45mm)

R

0.21 133 45

500 (41.28mm)

(28.58mm) 10.50”(266.70mm)

R

0.19 117

400

8.5”(215.90mm)

R

0.14

91

270

1.50”

1.125”

5.0”(127.00mm)

Q

0.065 41 45

(38.10mm)

(28.58mm)

395

1.125”

0.75”

11.25”(285.75mm)

P

0.14

87 45

375 (28.58mm)

(19.05mm)

10.5”(266.70mm)

P

0.13

80

300

8.5”(215.90mm)

P

0.099 63

220

6.0”(152.40mm)

P

0.063 39

185

5.0”(127.00mm)

P

0.05

30

155

4.25”(107.95mm)

P

0.038 25

140

4.0”(101.6mm)

P

0.04

20

Free Air

Wattage

Rating D: OD

C: ID

L: Length

Code

for

Core

Dia. Min. Max.

Term.

Type

Core Dimensions

Ohms

Free Air

Wattage

Rating D: OD

C: ID

L: Length

Code

for

Core

Dia. Min. Max.

Term.

Type

Core Dimensions

Ohms

315

1.00”

0.625”

10.0”(254.00mm)

N

0.11

67

45

215 (25.40mm)

(15.88mm)

7.0”(177.60mm)

N

0.068 43

190

6.0”(152.40mm)

N

0.056 35

150

5.0”(127.00mm)

N

0.043 27

125

4.0”(101.60mm)

N

0.031 19

180

0.75”

0.50”

6.5”(165.10mm)

M

0.031 29

45

160 (19.05mm)

(12.70mm)

6.0”(152.40mm)

M

0.038 26

140

5.0”(127.00mm)

M

0.028 20

105

4.0”(101.60mm)

M

0.020 14

100

3.5”(88.90mm)

M

0.021 11

135

0.563”

0.313”

6.0”(152.40mm)

K

0.028 21

46

110 (14.30mm)

(7.95mm)

5.0”(127.00mm)

K

0.029 16

90

4.0”(101.60mm)

K

0.021 12

46

35

2.0”(50.80mm)

K

0.0097 0.11

35

0.563”

0.313”

2.0”(50.80mm)

K

0.12

5.6

40

(14.30mm)

(7.95mm)

Standard part numbers for 280 series

C300KR10E

C300KR12E

C300KR20E

C300KR25E

C300KR31E

C300KR40E

C300KR50E

C300KR63E

C300K1R0E

C300K1R2E

C300K1R6E

C300K2R0E

C300K2R5E

C300K3R1E

C300K4R0E

C300K5R0E

C300K6R3E

C300K8R0E

C300K10RE

C300K12RE

C300K16RE

C300K20RE

E300K10RE

E300K12RE

E300K16RE

E300K1R0E

E300K1R6E

E300K20RE

E300K2R0E

E300K2R5E

E300K3R1E

E300K4R0E

E300K5R0E

E300K6R3E

E300K8R0E

E300KR10E

E300KR12E

E300KR16E

E300KR20E

E300KR25E

E300KR31E

E300KR40E

E300KR50E

E300KR63E

E300KR80E

L

D

C

dimen S ion S

750 watts come with

silicone coating.