UB5C-250RF1 Riedon, UB5C-250RF1 Datasheet

RES AXIAL 250 OHM 1% 5W

UB5C-250RF1

Manufacturer Part Number
UB5C-250RF1
Description
RES AXIAL 250 OHM 1% 5W
Manufacturer
Riedon
Series
UBr
Datasheet

Specifications of UB5C-250RF1

Resistance (ohms)
250
Power (watts)
5W
Composition
Wirewound
Temperature Coefficient
±20ppm/°C
Tolerance
±1%
Size / Dimension
0.217" Dia x 0.500" L (5.50mm x 12.70mm)
Lead Style
Through Hole
Package / Case
Axial
Resistance In Ohms
250
Case
Axial
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
-
Height
-
Other names
UB5C-250
UB5C-250RF1
Riedon Inc.
UB Series
Miniature Silicone Coated Power Resistors
1
2
For non-inductive windings / divide maximum resistance by 2
Lead Diameter: 18 AWG = 0.040” / 20 AWG = 0.032” / 22 AWG = 0.025” / 24 AWG = 0.020”
Where more than one lead is listed / the top value is Standard
UB-3C
UB-5C
UB-10
UB-12
UB-15
UB-1
UB-2
UB-3
UB-5
UB-6
Type
Wattage Rating
( Watts )
1.5
10
15
300 Cypress Avenue
1
2
3
4
5
6
7
Maximum
Ohms
12.5k
150k
260k
3.4k
7.5k
10k
25k
32k
50k
95k
2
• High Power Rating in a Small Package
• Excellent Pulse Handling
• High Temperature: -55°C to +350°C (“V” Rating )
• Resistances from 0.02 to 260kOhms
• Power Rating 1 to 15Watts
• Resistance Tolerances to ± 0.01%
• Low TCR: ± 20ppm/K Standard
• MIL-R-26 / MIL-R-39007 Power Ratings
• Non-Inductive Windings Available
0.406 [10.3]
0.560 [14.2]
0.500 [12.7]
0.625 [15.9]
0.875 [22.2]
1.220 [31.0]
1.780 [45.2]
0.250 [6.4]
0.312 [7.9]
0.350 [8.9]
SPECIFICATIONS
[±1.6mm]
±0.062”
Alhambra CA 91801
www.riedon.com
A
0.085 [2.2]
0.078 [2.0]
0.094 [2.4]
0.156 [4.0]
0.187 [4.7]
0.218 [5.5]
0.250 [6.4]
0.312 [7.9]
0.312 [7.9]
0.375 [9.5]
Dimensions
[±0.8mm]
±0.031”
B
(626) 284-9901
[±0.05mm]
0.020 [0.5]
0.025 [0.6]
0.020 [0.5]
0.025 [0.6]
0.025 [0.6]
0.020 [0.5]
0.032 [0.8]
0.032 [0.8]
0.040 [1.0]
0.040 [1.0]
0.040 [1.0]
0.040 [1.0]
0.040 [1.0]
±0.002”
C
1
Maximum
Working
Voltage
1050
135
162
194
258
425
607
33
42
80
(626) 284-1704
MIL-R-39007
MIL-R-26 /
RWR-81
RWR-82
RWR-80
RW-81
RW-80
RW-84
Style
01/11

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UB5C-250RF1 Summary of contents

Page 1

... UB-15 15 Lead Diameter: 18 AWG = 0.040” AWG = 0.032” AWG = 0.025” AWG = 0.020” 1 Where more than one lead is listed / the top value is Standard For non-inductive windings / divide maximum resistance Riedon Inc. 300 Cypress Avenue • High Power Rating in a Small Package • Excellent Pulse Handling • High Temperature: -55°C to +350°C (“V” Rating ) • ...

Page 2

... Environmental Performance (MIL-STD 202) Dielectric Load Life Storage Moisture Resistance Thermal Shock 5X Overload ( 5s ) Shock Vibration For Non-Inductive Windings / insert the letter “N” ( i.e. UBN-5 ) Part Number - Resistance - Tolerance - TCR ( If not standard ) Example: UB-3 10 Ohm 1% Riedon Inc. 300 Cypress Avenue SPECIFICATIONS (continued) Value ±0.01% to ±10 Standard ) >10W : ±20ppm/K 1W to10W : ±50ppm/K <1W : Call Factory -55°C to +250°C : Characteristic U -55° ...

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