FPR2-T227 [RIEDON]
Foil Power Resistors; 箔功率电阻
| 型号： | FPR2-T227 |
| 厂家： | 
RIEDON POWERTRON |
| 描述： | Foil Power Resistors |
| 文件： | 总2页 (文件大小：361K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
FPR FNR 2-T227 4-T227
FoilꢀPowerꢀResistors
• Resistances from 0.001Ohm to 100Ohms
• Power Rating to 80Watt
• Resistance Tolerances to ±0.1%
• TCR to ±15ppm/K
• Load Stability to 0.1%
SPECIFICATIONS
Type
FPR 2-T227
FPR 4-T227
FNR 2-T227
FNR 4-T227
Terminals
2
4
2
4
(kelvinꢀconnection)
(kelvinꢀconnection)
ResistanceꢀRange
0.01ꢀtoꢀ100ꢀOhms
0.001ꢀtoꢀ100ꢀOhms
0.01ꢀtoꢀ100ꢀOhms
0.001ꢀtoꢀ100ꢀOhms
PowerꢀRating
(withꢀheatsink)
60W
80W
ThermalꢀResistanceꢀRthj-c
Tolerances
1.3ꢀK/W
1.0ꢀK/W
0.1%ꢀ/ꢀ1%ꢀ/ꢀ2%ꢀ/ꢀ5%
(othersꢀuponꢀrequest)
Stability
0.1%ꢀ/ꢀ0.2%ꢀ/ꢀ0.5%
(dependsꢀonꢀstress)
Temperature Coefficient
±15ꢀppm/Kꢀ(20ꢀtoꢀ60°C)
fromꢀRꢀ<ꢀ0.02ꢀOhmsꢀ±20ꢀppm/Kꢀ(20ꢀtoꢀ60°C)
FPRꢀ2-T227ꢀ/ꢀFNRꢀ2-T227ꢀTKꢀShiftꢀdependsꢀfrom
resistanceꢀvalueꢀ(seeꢀgraphꢀnextꢀpage)
VoltageꢀProof
ThermalꢀEMF
Max.ꢀCurrent
2.5ꢀkVꢀDC
<ꢀ1ꢀµV/K
50A
(higherꢀuponꢀrequest)
OperatingꢀTemperature
ResistorꢀMaterial
Substrate
-40°Cꢀtoꢀ130°C
MetalfoilꢀCuNiMnꢀ(DINꢀ17471)
Al2O3
AlN
Housing
Epoxy
ConnectorꢀMaterial
Max.ꢀTorque
Cuꢀ/ꢀtinnedꢀorꢀnickelꢀplated
backplate:ꢀ1.5Nm
terminals:ꢀ1.3ꢀNm
Ordering Information
PartꢀNumberꢀ-ꢀResistanceꢀ-ꢀToleranceꢀ
FPRꢀ2-T227ꢀ1.1ꢀOhmsꢀ1%
Riedon Inc.ꢀ
ꢀ
ꢀ
300ꢀCypressꢀAvenueꢀ
ꢀ
ꢀ
AlhambraꢀCAꢀ91801ꢀ
www.riedon.com
ꢀ(626)ꢀ284-9901ꢀ
ꢀ(626)ꢀ284-1704
Pageꢀ43
ꢀ
ꢀ
ꢀ
ꢀ
rev.ꢀ03/2006A
FPRꢀFNRꢀ2-T227ꢀ4-T227
FoilꢀPowerꢀResistors
SPECIFICATIONS (continued)
Temperature Coefficient
tableꢀA
4000
2000
0
250
200
+15ppm/K
150
100
-15ppm/K
-2000
-4000
-6000
Limit 2 (3σ)
Nominal ∆R/R
Limit 1 (3σ)
50
0
-8000
2
5
10
20 50 100 200
-40
-20
0
20
40
60
80
100
120
140
ResistanceꢀValueꢀ(mOhm)
Temperatureꢀ(°C)
DeratingꢀandꢀStability
PowerꢀRatingꢀNotesꢀ-
120
100
80
60
40
20
0
TheꢀFPR/FNRꢀSeriesꢀFoilꢀResistorsꢀmustꢀbeꢀattachedꢀtoꢀaꢀsuit-
ableꢀ heatsink.ꢀ Theꢀ maximumꢀ internalꢀ resistorꢀ temperatureꢀ isꢀ
130°Cꢀforꢀaꢀ0.5%ꢀstabilityꢀpart.
0.5%
0.2%
0.1%
Toꢀspecifyꢀanꢀappropriateꢀheatsinkꢀuseꢀtheꢀfollowingꢀformulaꢀ:
RθHꢀ=ꢀTMAXꢀ-ꢀ(ꢀPꢀxꢀRθRꢀ)ꢀ-ꢀTA
ꢀꢀꢀꢀꢀꢀꢀꢀꢀP
Where:ꢀ RθHꢀ=ꢀThermalꢀResistanceꢀofꢀHeatsinkꢀ(ꢀK/Wꢀ)
ꢀ
ꢀ
ꢀ
ꢀ
RθRꢀ=ꢀThermalꢀResistanceꢀofꢀResistorꢀ(ꢀK/Wꢀ)
TMAXꢀ=ꢀMaximumꢀTemperatureꢀofꢀResistor
TAꢀ=ꢀAmbientꢀTemperatureꢀofꢀHeatsinkꢀ(ꢀ°Cꢀ)
Pꢀ=ꢀPowerꢀThroughꢀResistorꢀ(ꢀWꢀ)
25
50
85
100
115
130
Temperature of the backplate (°C)
DimensionsꢀandꢀAttachmentꢀVariations
tol.
tol.
Dimension
mm
26
38
12.7
4
(±mm)
inches
1.02
1.50
0.50
0.16
1.18
0.59
0.16
0.39
0.31
0.16
0.08
0.03
M4
(±inches)
A
B
C
D
E
F
G
H
I
0.5
0.5
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.1
0.020
0.020
0.008
0.008
0.008
0.008
0.008
0.008
0.008
0.008
0.008
0.004
30
15
4.1
10
8
J
4
K
L
2
0.8
M4
10
11.9
M
N
O
0.2
0.2
0.39
0.47
0.008
0.008
FPR/FNRꢀ2-T227
FPR/FNRꢀ4-T227
Riedon Inc.ꢀ 300ꢀCypressꢀAvenueꢀ
AlhambraꢀCAꢀ91801ꢀ
www.riedon.com
ꢀ(626)ꢀ284-9901ꢀ
ꢀ(626)ꢀ284-1704
Pageꢀ44
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
rev.ꢀ03/2006A
相关型号：
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