PR-SERIES
ULTRA PRECISION
METAL FILM RESISTORS
Low Temperature
Coefficients
Tight Tolerances
High Stability
Low Noise
PRECISION RESISTIVE PRODUCTS, INC.
202 MACK LANE, MEDIAPOLIS, IA 52637
(319)394-9131 FAX (319)394-9280
E-Mail
info@prpinc.com
PRP HOME PAGE http://www.prpinc.com
Dimensions
inches
Style
PR1/20B
PR1/10
PR1/8A
PR1/8
PR1/4A
PR1/4
Max. L.
Max. Dia.
CL to CL
Lead Dia.
Lead
Length
CL - CL
LL
MAX L.
MAX D.
LEAD D.
.170
.280
.280
.400
.416
.600
.072
.102
.102
.150
.161
.200
.200
.300
.300
.450
.450
.685
.020 AWG #24
.025 AWG #22
.025 AWG #22
.025 AWG #22
.025 AWG #22
.025 AWG #22
1.25 ±.065
1.50 ±.125
1.50 ±.125
1.50 ±.125
1.50 ±.125
1.50 ±.125
Specifications
Style
Resistance
Range (Ω)
10R-300K
10R-500K
10R-500K
10R-1M
10R-1M
50R-1.5M
Resistance
Tolerances
@25°C
1.0%, 0.5%,
0.25%, 0.1%,
0.05%, 0.02%,
0.01%
Wattage Rating
@85°C
1/20
1/10
1/8
1/8
1/4
1/4
Voltage
Rating
200V
300V
300V
400V
400V
500V
How to Order
Sample Part
PR1/8A
Style
Temp.
Coef.
Resistance
Value
Tolerance
Add “T” at the end of the Style portion of the
part number for lead free termination.
Standard Decade Values
Color Codes
Packaging
TC10
1K
±0.1%
PR1/20B
PR1/10
PR1/8A
PR1/8
PR1/4A
PR1/4
Operating Temperature Range -55°C to 155°C
Ref: EIA RS-186 (where applicable)
Typical Performance *
%∆R
Typical Performance *
1000 Hr. Load Life at 85°C
±0.02
Dielectric Withstanding
Humidity
±0.04
Noise Index
Thermal Shock
±0.01
Insulation
Short Time Overload
±0.01
Shelf Life
*
(100ohms-100K)
%∆R
±0.01
<-30dB
>10000 M
Ω
<50 PPM/Yr.
Temperature Coefficients
TC25 = 0±25 PPM/°C –20 TO +85°C
TC20 = 0±20 PPM/°C –20 TO +85°C
TC15 = 0±15 PPM/°C –20 TO +85°C
TC10 = 0±10 PPM/°C –20 TO +85°C
TC 5 = 0±5 PPM/°C –20 TO +85°C
TC 2 = 0±2 PPM/°C –20 TO +85°C
Lead Material
OFHC with 60/40 Tin/Lead
Coating
or OFHC Tin Coating
Matched Sets and Networks
Customized resistance and temperature coefficient matching are available.
Resistance matching to .01% and T.C. tracking of 1PPM/°C are standard.
Please consult the factory for details on your requirements. Packaging is
lead tape and reel or ammo-pack per EIA Standard RS-296.
Bulk packaging is also available.
DEDICATION TO EXCELLENCE
Subject to change without notice
Rev. D
4/19/05
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