DISCRETE CERAMICS
DATA SHEET
PRC201
5%; 1%
Power chip resistors
size 1218
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Product specification
Supersedes data of 27th April 2001
2001 May 28 Rev.15
Phycomp
Product specification
Power chip resistors
size 1218
FEATURES
•
Reduced size of final equipment
•
Low assembly costs
•
Higher component and equipment
reliability
•
Excellent performance at high
frequency.
APPLICATIONS
•
Power supplies in small sized
equipment
•
Camcorders
•
Portable radio, CD and cassette
players
•
Automotive.
DESCRIPTION
The resistors are constructed on a
high grade ceramic body (aluminium
oxide). Internal metal electrodes are
added at each end and connected by
a resistive paste which is applied to
the top surface of the substrate. The
composition of the paste is adjusted
to give the approximate resistance
required and the value is trimmed to
within tolerance, by laser cutting of
this resistive layer.
The resistive layer is covered with a
protective coating and printed with
the resistance value. Finally, the two
external end terminations are added.
To guarantee optimum solderability
the outer layer consists of a
lead-tin alloy.
QUICK REFERENCE DATA
DESCRIPTION
Resistance range
Resistance tolerance and series:
1
Ω ≤
R
≤
1 MΩ
Temperature coefficient:
1
Ω ≤
R < 10
Ω
10
Ω ≤
R
≤
1 MΩ
Absolute maximum dissipation at T
amb
= 70
°C
Maximum permissible voltage
Maximum permissible current
Operating temperature range
Basic specification
PRC201
5%; 1%
VALUE
1Ω to 1 MΩ
±5%, ±1%;
E24/E96 series
≤±200 ×
10
−6
/K
≤±100 ×
10
−6
/K
1W
200 V (DC or RMS)
6 A (DC or RMS)
−55 °C
to +155
°C
IEC 60115-8
2001 May 28 Rev.15
2
www.phycomp-components.com
Phycomp
Product specification
Power chip resistors
size 1218
ORDERING INFORMATION
Table 1
Ordering code indicating resistor type and packing
ORDERING CODE 2322 735 .....
TYPE
TOL.
(%)
±5
±1
−
BLISTER TAPE ON REEL
5000 units
PRC201
Jumper 0
Ω
PRC201; note 1
Note
1. The jumper has a maximum resistance R
max
= 20 mΩ and a rated current I
R
= 6 A.
90006
60...
2....
PRC201
5%; 1%
Ordering code (12NC)
•
The resistors have a 12-digit
ordering code starting with 2322
•
The subsequent four or five digits
indicate the resistor type and
packing; see Table 1.
•
The remaining digits indicate the
resistance value:
– The first 2 digits for 5% or
3 digits for 1% tolerance
products indicate the resistance
value.
– The last digit indicates the
resistance decade in
accordance with Table 2.
Table 2
Last digit of 12NC
LAST DIGIT
8
9
1
2
3
4
5
O
RDERING EXAMPLE
The ordering code of a PRC201
resistor, value 470
Ω
with 5%
tolerance, supplied on blister tape
of 5 000 units per reel is:
2322 735 60471.
RESISTANCE
DECADE
1 to 9.1
Ω
10 to 91
Ω
100 to 910
Ω
1 to 9.1 kΩ
10 to 91 kΩ
100 to 910 kΩ
1 MΩ
2001 May 28 Rev.15
3
www.phycomp-components.com
Phycomp
Product specification
Power chip resistors
size 1218
FUNCTIONAL DESCRIPTION
Product characterization
Standard values of nominal
resistance are taken from the
E24 or E96 series for resistors
with a tolerance of
±5%
or
±1%.
The values of the E24/E96
series are in accordance with
“IEC publication 60063”.
TYPE
PRC201
Note
Limiting values
LIMITING
VOLTAGE
(1)
(V)
200
LIMITING
CURRENT
(A)
6
PRC201
5%; 1%
LIMITING
POWER
(W)
1
1. The maximum voltage that may be continuously applied to the resistor
element, see
“IEC publication 60115-8”.
D
ERATING
The power that the resistor can dissipate depends on the operating
temperature; see Fig.1.
handbook, 4 columns
P
max
(%P
rated
)
CCB412
100
50
0
−55
0
50
70
100
155
T
amb
(°C)
Fig.1
Maximum dissipation (P
max
) in percentage of rated power
as a function of the ambient temperature (T
amb
).
2001 May 28 Rev.15
4
www.phycomp-components.com
Phycomp
Product specification
Power chip resistors
size 1218
P
ULSE LOADING CAPABILITIES
3
10
handbook, full pagewidth
PRC201
5%; 1%
MLB883
P max
(W)
single pulse
10
2
A
B
t p /t i =1000
10
100
2
1
10
1
10
6
Single pulse A: R
n
≤
300
Ω.
Single pulse B: R
n
>
300
Ω.
10
5
10
4
10
3
10
2
10
1
t i (s)
1
Fig.2
ˆ
Pulse on a regular basis; maximum permissible peak pulse power
(
P
max
)
as a
function of pulse duration for R
≤
10 kΩ, single pulse and repetitive pulse t
p
/t
i
.
handbook, full pagewidth
800
MLB884
Vmax
(V)
600
400
200
0
10
6
10
5
10
4
10
3
10
2
10
1
t i (s)
1
Fig.3
ˆ
Pulse on a regular basis; maximum permissible peak pulse voltage
(
V
max
)
as a
function of pulse duration.
2001 May 28 Rev.15
5
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