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25121WF2870B1

Description
Fixed Resistor, Metal Glaze/thick Film, 1W, 287ohm, 200V, 1% +/-Tol, -100,100ppm/Cel, 2512,
CategoryPassive components    The resistor   
File Size547KB,4 Pages
ManufacturerRoyal Electronic Factory (Thailand) Co., Ltd.
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25121WF2870B1 Overview

Fixed Resistor, Metal Glaze/thick Film, 1W, 287ohm, 200V, 1% +/-Tol, -100,100ppm/Cel, 2512,

25121WF2870B1 Parametric

Parameter NameAttribute value
Objectid917902066
Reach Compliance Codecompliant
ECCN codeEAR99
structureChip
Number of terminals2
Maximum operating temperature155 °C
Minimum operating temperature-55 °C
Package height0.55 mm
Package length6.35 mm
Package formSMT
Package width3.2 mm
Rated power dissipation(P)1 W
resistance287 Ω
Resistor typeFIXED RESISTOR
series2512(1W,F TOL)
size code2512
technologyMETAL GLAZE/THICK FILM
Temperature Coefficient100 ppm/°C
Tolerance1%
Operating Voltage200 V
THICK FILM CHIP RESISTORS
Small size and lightweight
Suitable for both flow and reflow soldering
Reduction of assembly costs and matching
with placement machines
Standard: 2%, 5%, 10%---E 24 series
1%---E 96 series
Ordering Procedure: (Ex.: 1206, 1/4W-S, 5%, 10Ω, T/R-5000)
1
2
0
6
S
4
J
0
1
0
0
T
5
E
Resistor Type:
Chip Resistor types as follows:
0402, 0603, 0805, 1206, 1210, 2010,
2512, 2D02, 4D02, 4D03, 10P8, 16P8
Resistance Value:
E-24 series:
1 digit is “0”
nd
rd
2 & 3 digits are significant
figures of the resistance
th
4 indicate the number of zeros
E-96 series:
st
rd
1 to 3 digits are significant figures
of the resistance
th
4 digit indicate the number of zeros.
“J” ~ 0.1, “K” ~ 0.01, “L” ~ 0.001
Ex.
012J ~ 1Ω2, 226K ~ 2Ω26
st
th
Jumper :
use “0” for 1 to 4 digits
st
Wattage:
Normal size: WH=1/32W, WG=1/16W, WA=1/10W,
sW8=1/8W, W4=1/4W, W2=1/2W,
1W=1W
Small size: SA=1/10W-S, S8=1/8W-S, S4=1/4W-S,
S3=1/3W-S, 07=3/4W-S
Tolerance:
0 = Jumper
B = ±0.1%
C = ±0.25%
D = ±0.5%
F = ±1%
G = ±2%
J = ±5%
Packing Type:
T =Tape / Reel
B =Bulk in Poly-bag
C =Bulk in cassette
Packing Qty:
1 = 1,000 pcs, 2 = 2,000 pcs, 3 = 3,000 pcs,
4 = 4,000 pcs, 5 = 5,000 pcs,
A = 500 pcs, B = 2,500 pcs, C = 10,000 pcs, D = 20,000 pcs
Special Feature:
E = Lead (Pb) Free Plating Type /
RoHs Compliant
* More explanation on part no, please see details on pages 80-81.
Note :
Special resistance value or tolerance or T.C.R.
requirement available on a case-to-case basis.
Please indicate when ordering.
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