BCcomponents
Product specification
Professional power metal film resistors
FEATURES
DESCRIPTION
A homogeneous film of metal alloy is
deposited on a high grade ceramic
body. After a helical groove has been
cut in the resistive layer, tinned
connecting wires of electrolytic copper
or copper-clad iron are welded to the
end-caps. The resistors are coated with
a red, nonflammable lacquer which
provides electrical, mechanical and
PR01/02/03
•
High power in small packages
•
Different lead materials for different
applications
•
Defined interruption behaviour.
APPLICATIONS
climatic protection. This coating is not
resistant to aggressive fluxes. The
encapsulation is resistant to all
cleaning solvents in accordance with
“MIL-STD-202E, method 215”,
and
“IEC 60068-2-45”.
•
All general purpose power
applications.
QUICK REFERENCE DATA
VALUE
DESCRIPTION
PR01
0.22
Ω
to 1 M
Ω
PR02
Cu-lead
0.33
Ω
to 1 M
Ω
FeCu-lead
1
Ω
to 1 M
Ω
Cu-lead
0.68
Ω
to 1 M
Ω
PR03
FeCu-lead
1
Ω
to 1 M
Ω
Resistance range
Resistance tolerance and series
Maximum dissipation at
T
amb
= 70
°
C:
R<1
Ω
1
Ω≤
R
Thermal resistance (R
th
)
Temperature coefficient
Maximum permissible voltage
(DC or RMS)
Basic specifications
Climatic category (IEC 60068)
Stability after:
load
climatic tests
soldering
Notes
±
1% (E24, E96 series);
±
5% (E24 series); see notes 1 and 2
0.6 W
1W
135 K/W
1.2 W
2W
75 K/W
−
1.3 W
115 K/W
1.6 W
3W
60 K/W
−
2.5 W
75 K/W
≤±
250
×
10
−6
/K
350 V
500 V
IEC 60115-1 and 60115-4
55/155/56
750 V
∆
R/R max.:
±
5% + 0.1
Ω
∆
R/R max.:
±
3% + 0.1
Ω
∆
R/R max.:
±
1% + 0.05
Ω
1. 1% tolerance is available for R
n
-range from 1R upwards.
2. 2% tolerance is available on request for R
n
-range from 1R upwards.
2001 Jul 13
2
BCcomponents
Product specification
Professional power metal film resistors
ORDERING INFORMATION
Table 1
Ordering code indicating resistor type and packaging
ORDERING CODE 23.. ... ..... (BANDOLIER)
AMMOPACK
TYPE
LEAD
∅
(
mm)
TOL
(%)
RADIAL TAPED
4000
units
3000
units
STRAIGHT LEADS
52 mm
5000
units
52 mm
1000
units
63 mm
500
units
73 mm
1000
units
PR01/02/03
REEL
80 mm
500
units
73 mm
5000
units
52 mm
5000
units
1
PR01
Cu 0.6
−
06 197
03...
−
−
−
06 198
03...
5
1
Cu 0.8
PR02
FeCu 0.6
22 196
1....
22 193
14...
−
06 197
53...
22 197
1....
06 198
53...
22 194
54...
−
−
−
−
−
22 195
14...
06 199
5...
22 195
54...
−
22 193
13...
−
−
−
−
−
22 195
13...
06 193
5...
22 195
53...
−
22 193
23...
−
06 197
23...
−
−
−
−
−
−
−
−
−
−
−
−
−
22 194
13...
22 194
53...
−
−
−
−
−
−
−
06 198
23...
5
5
5
Cu 0.8
−
−
−
−
−
−
−
−
−
−
−
−
−
−
PR03
FeCu 0.6
1
5
Table 2
Ordering code indicating resistor type and packaging
ORDERING CODE 23.. ... ..... (LOOSE IN BOX)
TYPE
LEAD
∅
(
mm)
TOL
(%)
CROPPED AND FORMED
DOUBLE KINK
PITCH = 17.8
(mm)
1000 units
PITCH = 25.4
(mm)
500 units
PITCH = 17.8 PITCH = 25.4
(mm)
(mm)
1000 units
22 193 03...
22 193 43...
22 194 23...
22 194 83...
500 units
PITCH
(1)(2)(3)
1000 units
500 units
PR01
Cu 0.6
FeCu 0.6
Cu 0.8
5
5
5
5
5
5
5
5
22 193 33...
−
−
−
−
−
−
22 195 33...
22 195 73...
−
−
−
−
−
−
22 195 23...
22 195 83...
−
−
22 193
53...
(1)
−
−
−
−
−
−
−
22 195 63...
(3)
PR02 FeCu 0.6
FeCu 0.8
Cu 0.8
PR03 FeCu 0.6
FeCu 0.8
22 194 33...
22 194 73...
−
−
−
−
−
−
22 194 63...
(2)
−
−
−
−
−
−
−
Notes
1. PR01 pitch 12.5 mm.
2. PR02 pitch 15.0 mm.
3. PR03 pitch 20.0 mm.
2001 Jul 13
3
BCcomponents
Product specification
Professional power metal film resistors
Ordering code (12NC)
Table 3
Last digit of 12NC
LAST DIGIT
7
8
9
1
2
3
4
5
PR01/02/03
Ordering example
The ordering code for resistor type
PR02 with Cu leads and a value of
750
Ω
, supplied on a bandolier of
1000 units in ammopack, is:
2322 194 13751.
•
The resistors have a 12-digit
ordering code starting with 23.
•
The first 7 digits indicate the resistor
type and packaging;
see Tables 1 and 2.
•
The remaining 3 digits indicate the
resistance value:
– The first 2 digits indicate the
resistance value.
– The last digit indicates the
resistance decade in accordance
with Table 3.
FUNCTIONAL DESCRIPTION
Product characterization
RESISTANCE
DECADE
0.22 to 0.91
Ω
1 to 9.76
Ω
10 to 97.6
Ω
100 to 976
Ω
1 to 9.76 k
Ω
10 to 97.6 k
Ω
100 to 976 k
Ω
1 M
Ω
Standard values of nominal resistance are taken from the E24 series for resistors with a tolerance of
±
5%.
The values of the E24 series are in accordance with
“IEC publication 60063”.
T amb = 40 C
1.00
P
(W)
0.75
o
70 C
o
100
o
C
125
o
C
0.50
155
o
C
0.25
Tm ( C)
h
0
00
10
h
30
1k
Ω
k
Ω
o
205
o
C
0
00
00
1
10
00
h
30
k
Ω
10
PR01
5.0
2.0
1.0
0.5
0.2
0.1 %
∆
R
MLB660
Fig.1 Drift nomogram.
2001 Jul 13
4
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