PRODUCT BULLETIN
PRC-SERIES
PRECISION SURFACE MOUNT
THIN FILM
STANDARD INDUSTRY CASE SIZES
0201 0402 0603 0805 1206 1210 2010
POWER RATINGS 1/20W, 1/16W, 1/10W
1/8W, 1/4W & 1/2W
TEMPERATURE COEFFICIENTS
TO 2PPM/°C
RESISTANCE TOLERANCES
TO 0.05%
CUSTOM VALUES TO 3 DECIMAL PLACES
PACKAGING IS TAPE & REEL
1,000; 5,000; 10,000 pcs.
PRC 0603
1/16W
75V
WILLOW TECHNOLOGIES LTD.
SHAWLANDS COURT, NEWCHAPEL ROAD
LINGFIELD, SURREY, RH7 6BL, ENGLAND
Tel. + 44 (0) 1342 835234 Fax. + 44 (0) 1342 834306
E-mail
rob@willow.co.uk
Website
http://www.willow.co.uk
Specifications
TYPE
RATED
PWR
MAX
CWV
INCHES
MILLIMETERS
L
0.024 ±0.002
(0.60±0.05)
W
0.012 ±0.002
(0.30±0.05)
H
0.009 ±0.001
(0.23±0.03)
P
0.005 ±0.002
(0.12±0.05)
PRC 0201
1/20W
PRC 0402
1/16W
15V
25V
0.390 ±0.002
(1.00±0.05)
(1.60±0.10)
(2.00±0.15)
0.020 ±0.002
(0.50±0.05)
(0.08±0.10)
(1.25±0.15)
0.014 ±0.002
(0.35±0.05)
(0.50±0.10)
(0.50±0.15)
0.008 ±0.004
(0.20±0.10)
(0.20±0.10)
(0.40±0.25)
0.063 ±0.004
0.079 ±0.006
0.126 ±0.006
(3.20±0.15)
0.031 ±0.004
0.049 ±0.006
0.063 ±0.006
(1.60±0.15)
0.020 ±0.004
0.020 ±0.006
0.024 ±0.006
(0.60±0.15)
0.008 ±0.004
0.016 ±0.010
0.020 ±0.010
(0.50±0.25)
PRC 0805
1/10W 100V
PRC 1206
1/8W
PRC 1210
1/4W
PRC 2010
1/2W
150V
200V
200V
0.126 ±0.006
(3.20±0.15)
0.098 ±0.006
(2.50±0.15)
0.022 ±0.006
(0.56±0.15)
0.020 ±0.010
(0.50±0.25)
0.200 ±0.006
(5.00±0.15)
0.100 ±0.006
(2.50±0.15)
0.022 ±0.006
(0.56±0.15)
0.024 ±0.010
(0.60±0.25)
P
W
L
Operating Temperature Range is -55°C to +125°C
* -20°C to +85°C
H
Temperature Coefficients
TC50
TC25
Termination (Outer)
Termination (Barrier)
Termination (Inner)
=
=
±50
±25
PPM/°C
PPM/°C
TC2
=
±2
TC10
TC5
PPM/°C *
=
=
±10
±5
PPM/°C
PPM/°C
Resistance Ranges
Refer to Capability Sheet for available ranges
Contact factory for custom values
Protective Coating
Resistive Element
Alumina Substrate
Resistance Tolerances
0.05%
0.1%
0.5%
1.0%
How to Order
Sample Part
PRC
0805
TC10
56.2R
±0.05%
DEDICATION TO EXCELLENCE
Data subject to change without notice
Resistance Tolerance
Resistance Value
Temperature Coefficient
Case Size
Type
Continued on reverse side
REV C 9/19/01
TYPICAL RELIABILITY TEST DATA AND SPECIFICATIONS
Characteristic
MOISTURE LOAD
LIFE
Test Conditions
60°C 95%RH Rated
voltage for 1½ hours ON,
½ hour OFF. 1000 hours
-55°C~RT~ +155°C~RT
30 min. ON 3 min. OFF
5 cycles
175°C
No load
1000 hours
10~50Hz
3 directions each
2 hours
Acceleration 50G
Axis 11 msec. x 3
Total 18 cycles
Solder temperature
275°C for
20 sec. ±1sec.
Solder temperature
230°C ±5°C for
3 sec. ±1 sec.
2.5 times to
rated voltage
for 5 seconds
60°C, 95%RH
No load
1000Hour
70°C Rated voltage for
1½ hours ON, ½ hour
OFF. 1000 hours
Result
Value
Max.
Min.
Avg.
Specification
∆R
within ±0.5%
∆R
within ±0.25%
∆R
within ±0.5%
∆R
within ±0.25%
without mechanical
damage.
∆R
within ±0.25%
without mechanical
damage.
∆R
within ±0.1%
Minimum 95% of the
electrode surface
covered.
∆R
within ±0.25%
∆R
within ±0.25%
∆R
within ±0.5%
TEMPERATURE
CYCLE
HIGH TEMPERATURE
RANDOM VIBRATION
MECHANICAL
SHOCK
RESISTANCE TO
SOLDERING HEAT
SOLDERABILITY
SHORT TIME
OVERLOAD
HUMIDITY
LOAD LIFE
100
Ω
10 KΩ
100 KΩ
100
Ω
10 KΩ
100 KΩ
100
Ω
10 KΩ
100 KΩ
100
Ω
10 KΩ
100 KΩ
100
Ω
10 KΩ
100 KΩ
100
Ω
10 KΩ
100 KΩ
100
Ω
10 KΩ
100 KΩ
100
Ω
10 KΩ
100 KΩ
100
Ω
10 KΩ
100 KΩ
100
Ω
10 KΩ
100 KΩ
0.027%
0.019%
0.023%
0.036%
0.005%
0.011%
0.254%
0.263%
0.380%
0.008%
0.006%
0.006%
0.008%
0.008%
0.017%
0.061%
-0.018%
-0.020%
0.003%
-0.008%
-0.024%
-0.010%
0.002%
-0.006%
0.156%
0.130%
0.194%
-0.008%
-0.001%
0.001%
0.002%
-0.002%
0.003%
-0.012%
-0.044%
-0.045%
0.014%
0.005%
0.014%
0.007%
0.000%
0.002%
0.194%
0.158%
0.250%
0.003%
0.002%
0.003%
0.005%
0.003%
0.007%
0.013%
-0.024%
-0.033%
100% MEET SPECIFICATION
0.012%
0.000%
0.012%
0.083%
0.005%
0.018%
0.052%
0.017%
0.018%
-0.009%
-0.018%
-0.008%
0.002%
0.001%
0.008%
-0.057%
-0.009%
-0.001%
-0.001%
-0.001%
0.000%
0.027%
0.003%
0.012%
0.009%
0.007%
0.007%
Derating Curve
must be derated in accordance with the curve in the graph below.
100
80
60
% Rated Power
40
20
0
-60
-55
-40
-20
0
20
40
60
70
80
100
120
125
140
Ambient Temperature (°C)
Data subject to change without notice
See other side
REV O
1/17/00
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