3W to 50W Planar Shock / Vibraon
Proof High Power Resistors
BPR Series
Non-Inducveplanarpackage
Highpowerdensity.
ThinpackageforhighdensityPCBinstallaon.
Powerdissipatedabovetheboard.
Superiorvibraondurability
Applicaons
Idealforextrememechanicallystressedenvironments.
Powersupplypre-loadresistors.
UPSsystems
Snubberandpulsehandlingcircuits.
Pulsegeneratorloadresistors.
In-rushcurrentprotecon
BleederResistors
Model BPR3 BPR5 BPR7 BPR10 BPR30 BPR50
DimA 0.50
12.70
0.50
12.70
1.00
25.40
1.00
25.40
2.10
53.34
2.10
53.34
DimB 0.60
15.24
1.00
25.40
0.75
19.05
1.00
25.40
1.40
35.56
2.00
50.80
DimC 0.67
17.02
1.07
27.18
0.82
20.82
1.07
27.18
1.47
37.34
2.07
52.58
DimD 0.30
7.62
0.30
7.62
0.80
20.32
0.80
20.32
1.90
48.26
1.90
48.26
Lead:TinPlatedCopperAlloy
Substrate:96%Alumina
Resistor:ThickFilm
Specicaon,DimensionsandMaterials
Items Specicaon Condions
PowerRang 3W,5W,7W,10W,30W&50W @ambienttemp70°C(3-7W),50°C(10-30W)&25°C(50W)
OperangVoltageMax 300Vac,500VDC
ResistanceRange BPR3-30:0.1Ωto200kΩBPR50:1Ωto1kΩ Extendedresistancerangeavailable.
TCR 100ppm/°C For-55to+155°Candabove1Ω
Tolerance +/-5%,oponal1%,2%
OperaingTemp.Range -55-+155°C
DielectricWithstandVoltage 5KVminimum
MechanicalShock ΔR+/-0.25% 100G.
LoadLife ΔR+/-2.0% 90min.ON,30min.OFF,1000hours.
Humidity ΔR+/-0.5% 85°C,85%RH,DC0.1W,1000hours.
TemperatureCycle ΔR+/-0.5% -55°C,30min.,+155°C30min.,5cycles.
SolderHeat(Max) ΔR+/-0.25% 250+/-5°C,10seconds,
Solderability Min95%coverage 230+/-5°C,5seconds.
InsulaonResistance Over1000MΩ Betweenterminalsandmetalbackplate.
Vibraon ΔR+/-0.25% 20G,10Hzto2KHz.
Notes:
1.Contactfactoryforcustomproducts,non-standardvaluesandtolerances.
Dim. A ±.005
±0.13
Dim. B ±.005
±0.13
Dim. D ±.015
±0.38
Dim. C ±.020
±0.51
.020±.005
0.51±0.13
.040±.005
1.02±0.13
.040±.005
1.02±0.13
.200±.002
5.08±0.05
.200±.020
5.08±0.51
BPR
Resistors
06.18
General Note
TT Electronics reserves the right to make changes in product specication without notice or liability.
All information is subject to TT Electronics’ own data and is considered accurate at time of going to print.
© TT Electronics plc
www.ttelectronics.com/resistors
BI Technologies IRC Welwyn
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