PRD Series

PRODUCT BULLETIN
PRD - SERIES
WILLOW TECHNOLOGIES LTD.
SHAWLANDS COURT, NEWCHAPEL ROAD
LINGFIELD, SURREY, RH7 6BL, ENGLAND
Tel. + 44 (0) 1342 835234 Fax. + 44 (0) 1342 834306
E-mail [email protected]
Website http://www.willow.co.uk
SIP NETWORK
VOLTAGE DIVIDERS
HIGH STABILITY
LOW TC
TIGHT TOLERANCE
0.005% MATCHING AND
1 PPM/°C TRACKING AVAILABLE
RUGGED CONSTRUCTION
Dimensions (max)
TYPE
H
L
W
P
PRD
.440
.380
.180
.100
L.D.
.025
L.L.
.250
w
L
Specifications
H
Type
.1 W
Power Rating / Element
L.L.
L.D.
P
50R - 500K
Nominal Resistance Value
300 V
Max. Operating Voltage
Schematic Diagram
R1
PRD
R2
Resistance Tolerance
Temperature Coefficient
of Resistance
Absolute Tolerance
±1.0% thru ±0.01%
Matching
1% to ±0.005%
Absolute TCR
±100 PPM thru ±5 PPM
Tracking TCR
50 PPM to 1 PPM/°C
Typical Performance
(100 ohms - 100K)
Dimensional
Correlation
in.
mm
.025
.64
.100
.180
2.54
4.57
.250
6.35
.380
9.65
.440
11.18
Ref: EIA RS-186 (where applicable)
% R
1000 Hr. Load Life 85°C .............. ±0.02
±0.04
Humidity ......................................
Thermal Shock ............................ <0.01
Short Time Overload ................... <0.01
% R
Effects Of Solder ...........................
<0.01
<0.01
Dielectric Withstanding ................
Noise .............................................<-30dB
Insulation Resistance ......>10000 M. OHM
Shelf Life ...........................<50 PPM/YR.
How to Order
Sample Part Number
PRD TC25 1K / 10K ±0.1%
5PPM .01%
Tolerance Tracking
TCR Tracking
Resistance Tolerance
R2 Resistance Value
R1 Resistance Value
TCR
Type
DEDICATION TO EXCELLENCE
Subject to change without notice
REV A
11/23/99