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WCBF15FB20K0

P1-P2
Rev Date: 01/14/2015 1 www.seielect.com
This specification may be changed at any time without prior notice marketing@seielect.com
Please confirm technical specifications before you order and/or use.
WCB/WCBF/NWCB Series
Welded Ceramic Housed Axial Leaded Wirewound Resistor
Stackpole Electronics, Inc.
Resistive Product Solutions
Features:
• Welded element on ceramic core
• Low noise, high reliability compared to fiberglass core wirewounds
• Fireproof power wirewound
• High thermal conductivity
• NWCB – Non-inductively Ayrton Perry winding
• Body standoffs available; add “F” after WCB
• RoHS compliant / lead-free
Electrical Specifications
WCB5, WCBF5 5W
1
- 10K
WCB7, WCBF7 7W
1 - 15K
WCB10, WCBF10 10W
1
-
20K
WCB15, WCBF15 15W 1
- 20K
WCB20, WCBF20 20W 1
- 20K
WCB25, WCBF25 25W
1 - 20K
NWCB5 5W
0.1 - 4.7K
NWCB7 7W
0.1 - 7.5K
NWCB10
10W 0.1 -
10K
NWCB15
15W 0.1
- 10K
NWCB20 20W
0.1 -
10K
NWCB25
25W 0.1
- 10K
-
0.1 - 20K
-
-
-
-
0.1 - 10K
0.1 - 15K
0.1 - 20K
0.1 - 20K
0.1 - 20K
-
0.
1Ω
to 10
Ω
=
±
50
ppm
/ºC
>
10
Ω
= ±
20ppm/ºC
0.5%
1%
5%
TCR (ppm/
º
C)
Type / Code
Power Rating
(Watts) @ 70ºC
Mechanical Specifications
0.875 ± 0.039 0.375 ± 0.039 0.375 ± 0.039 0.036 ± 0.002 0.437 ± 0.039 1.500 ± 0.250 inches
22.23 ± 0.99 9.53 ± 0.99 9.53 ± 0.99 0.91 ± 0.05 11.10 ± 0.99 38.10 ± 6.35 mm
1.400 ± 0.039 0.375 ± 0.039 0.375 ± 0.039 0.036 ± 0.002 0.500 ± 0.039 1.500 ± 0.250 inches
35.56 ± 0.99 9.53 ± 0.99 9.53 ± 0.99 0.91 ± 0.05 12.70 ± 0.99 38.10 ± 6.35 mm
1.875 ± 0.039 0.375 ± 0.039 0.375 ± 0.039 0.036 ± 0.002 0.500 ± 0.039 1.500 ± 0.250 inches
47.63 ± 0.99 9.53 ± 0.99 9.53 ± 0.99 0.91 ± 0.05 12.70 ± 0.99 38.10 ± 6.35 mm
1.875 ± 0.039 0.500 ± 0.039 0.500 ± 0.039 0.036 ± 0.002 0.625 ± 0.039 1.500 ± 0.250 inches
47.63 ± 0.99 12.70 ± 0.99 12.70 ± 0.99 0.91 ± 0.05 15.88 ± 0.99 38.10 ± 6.35 mm
2.500 ± 0.039 0.500 ± 0.039 0.500 ± 0.039 0.036 ± 0.002 0.625 ± 0.039 1.500 ± 0.250 inches
63.50 ± 0.99 12.70 ± 0.99 12.70 ± 0.99 0.91 ± 0.05 15.88 ± 0.99 38.10 ± 6.35 mm
2.500 ± 0.039 0.500 ± 0.039 0.500 ± 0.039 0.036 ± 0.002 0.625 ± 0.039 1.500 ± 0.250 inches
63.50 ± 0.99 12.70 ± 0.99 12.70 ± 0.99 0.91 ± 0.05 15.88 ± 0.99 38.10 ± 6.35 mm
Unit
A
Body Length
B
Height
C
Width
D
Lead Diameter
E
(WCBF only)
F
Lead Length
Type / Code
WCB5, WCBF5, NWCB5
WCB25, WCBF25, NWCB25
WCB20, WCBF20, NWCB20
WCB7, WCBF7, NWCB7
WCB10, WCBF10, NWCB10
WCB15, WCBF15, NWCB15
Rev Date: 01/14/2015 2 www.seielect.com
This specification may be changed at any time without prior notice marketing@seielect.com
Please confirm technical specifications before you order and/or use.
WCB/WCBF/NWCB Series
Welded Ceramic Housed Axial Leaded Wirewound Resistor
Stackpole Electronics, Inc.
Resistive Product Solutions
1 2 3 4 5 6 7 8 9 10
W C B 5 J B 1 0 0 R
0
320
Ambient Temperature (ºC)
275ºC
160
200
240
280
0
40
80
120
Percent Rated Power (%)
100
-55ºC
70ºC
80
60
40
20
-80
-40
Code
WCB 5 Quantity
WCBF 7
500
NWCB 10 250
15 200
20
200
25
200
B
Bulk
F
J
25W
10W
15W
20W
7W
Tol
0.5%
Code
D
5W
0.1 ohm = R100
33 ohm = 33R0
25
20
Product Series
Power
Tolerance
Packaging
Resistance Value
Standard
With standoff
3.32 Kohm = 3K32
Non-inductive
Code
Description
Size
Four characters with
the multiplier used as
the decimal holder.
1%
5%
5
7, 10
15
Power Derating Curve:
How to Order
Performance Characteristics
Test Test Results
Moisture Resistance ± 5%
Thermal Shock ± 2%
Load Life @ 70°C - 1,000 hrs. ± 5%
Resistance to Soldering Heat ± 2%
Short Time Overload - 5xPn for 5sec ± 2%
Dielectric Withstanding Voltage ± 2%
Operating Temperature Range: -55°C to +275°C
P1-P2

WCBF15FB20K0

Mfr. #:
Buy WCBF15FB20K0
Manufacturer:
Description:
Fixed Resistor, Wire Wound, 15W, 20000ohm, 1%+/-Tol, 20ppm/Cel, Through Hole Mount
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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