PAC 01..06 Series
Vishay BCcomponents
Cemented Wirewound Precision Resistors
FEATURES
•
High power dissipation in small volume
•
Ideal for pulse application
•
TCR ± 100 ppm/K
•
Maximum permissible hot spot temperature
is 275 °C
•
Lead (Pb)-free
•
Tolerance 1 %
The resistor element is a resistive wire which is wound in a
single layer on a ceramic rod. Metal caps are pressed over
the ends of the rod. The ends of the resistance wire and the
leads are connected to the caps by welding. Tinned
copper-clad iron leads with poor heat conductivity are
employed permitting the use of relatively short leads to
obtain stable mounting without overheating the solder joint.
RoHS
COMPLIANT
The resistor is coated with a green silicon cement which is
not resistant to aggressive fluxes. The coating is
non-inflammable, will not drip even at high overloads and is
resistant to most commonly used cleaning solvents, in
accordance with “MIL-STD-202E, method 215”
and
“IEC 60068-2-45”.
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL
MODEL
PAC100
PAC200
PAC300
PAC400
PAC500
PAC600
HISTORICAL
MODEL
PAC01
PAC02
PAC03
PAC04
PAC05
PAC06
P
25 °C
W
1
2
3
4
5
6
TOLERANCE
E24/E96 series
±%
1
1
1
1
1
1
LIMITING
VOLTAGE
V
PxR
PxR
PxR
PxR
PxR
PxR
RESISTANCE
RANGE
Ω
TCR ± 100 ppm/k
R10 - 2K2
R10 - 3K6
R10 - 4K7
R10 - 8K2
R10 - 10K
R10 - 12K
* For Pulse Diagrams see AC..series (28730)
12NC ORDERING CODE INDICATING RESISTOR TYPE AND PACKAGING
ORDERING CODE 2306 327 .....
TYPE
500 units
PAC01
PAC02
PAC03
PAC04
PAC05
PAC06
Note
1. Radial taped version available on request. 2500 pcs Ammo packaging
-
1)
2306 327 0....
2306 327 1....
2306 327 2....
2306 327 3....
2306 327 4....
BANDOLIER IN AMMOPACK
1000 units
2306 327 5....
−
−
−
−
−
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126
For technical questions contact: ww1resistors@vishay.com
Document Number: 28731
Revision: 21-Jun-06
PAC 01..06 Series
Cemented Wirewound Precision Resistors
Vishay BCcomponents
GLOBAL PART NUMBER INFORMATION
New Global Part Numbering: PAC300004641FAC000 (preferred part number format)
P
A
C
3
0
0
0
0
4
7
0
1
F
A
C
0
0
0
MODEL
(see Standard
Electrical
Specifications
table)
SPECIAL
CHARACTER
0
= neutral
1
= DK SP 20 mm
Z
= value overflow
(Special)
TCR/MATERIAL
0
= standard
(100 ppm)
K
= 90 ppm
1)
C
= 50 ppm
1)
L
= 30 ppm
1)
VALUE
3 digit value
1 digit multiplier
Multiplier:
7
= *10
-3
8
= *10
-2
9
= *10
-1
0
= *10
0
1
= *10
1
2
= *10
2
3
= *10
3
4
= *10
4
5
= *10
5
TOLERANCE
F
= ± 1.0 %
PACKING
(see Packing table)
SPECIAL
The 3 digits are used
for all special part
styles. To encode the
non standard
specifications all
special parts of one
series are listed in a
cross reference
table.
000
= standard
0E0
= CECC E0
0E6
= CECC E6
Historical Part Number example: PAC03 4K7 1 % AC (will continue to be accepted)
PAC03
HISTORICAL MODEL
Note:
1)
Is available request for specific
4K7
VALUE
1%
TOLERANCE
AC
PACKING
PACKING TABLE
SAP
DESCRIPTION
TYPE
A1
Bandolier in ammopack, 1000 pcs.
PAC01
AC
Bandolier in ammopack, 500 pcs.
PAC02, PAC03, PAC04,
PAC05, PAC06
L1
Loose 1000 pcs.
PAC02
* Radial taped version available on request
Document Number: 28731
Revision: 21-Jun-06
For technical questions contact: ww1resistors@vishay.com
www.vishay.com
127
PAC 01..06 Series
Vishay BCcomponents
DIMENSIONS
G
D
L
Cemented Wirewound Precision Resistors
d
For packaging dimensions see separate packaging dimensions page.
DIMENSIONS
in millimeters [inches]
MODEL
D max
PAC01
PAC02
PAC03
PAC04
PAC05
PAC06
4.3 [0.169]
4.8 [0.189]
5.5 [0.217]
7.5 [0.295]
7.5 [0.295]
7.5 [0.295]
L max
10 [0.394]
13 [0.512]
17 [0.669]
17 [0.669]
25 [0.984]
25 [0.984]
0.8 ± 0.03
[0.031 ± 0.001]
d
G
63 ± 1 [2.480 ± 0.039]
63 ± 1 [2.480 ± 0.039]
63 ± 1 [2.480 ± 0.039]
73 ± 1 [2.874 ± 0.039]
73 ± 1 [2.874 ± 0.039]
73 ± 1 [2.874 ± 0.039]
WEIGHT g
per 100 units
52
75
110
190
260
260
PERFORMANCE
TEST
TEST RESULTS
Climatic category
55/200/56
Δ
R
------- max : ± 1 % + 0.05
Ω
-
R
Δ
R
------- max : ± 1 % + 0.05
Ω
-
R
Δ
R
------- max : ± 0.5 % + 0.05
Ω
-
R
Δ
R
------- max : ± 0.5 % + 0.05
Ω
-
R
Δ
R
------- max : ± 0.2 % + 0.05
Ω
-
R
Δ
R
------- max : ± 0.1 % + 0.05
Ω
-
R
Δ
R
------- max : ± 0.2 % + 0.05
Ω
-
R
Damp heat, steady state 56d
Storage 1000 hours, 200 °C, no load
Climatic sequence
Load life 1000 h
Resistance to soldering heat
Robustness of termination, 10N
Short time overload, 10 x rated power x 5 sec.
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128
For technical questions contact: ww1resistors@vishay.com
Document Number: 28731
Revision: 21-Jun-06
PAC 01..06 Series
Cemented Wirewound Precision
Vishay
100
80
60
40
20
0
0
50
100
150
200
250
300
T
amb
[°C]
Maximum dissipation (P
max
) as a function
of the ambient temperature (T
amb
).
ORDERING INFORMATION
Ordering Code (12NC)
•
The resistors have a 12-digit ordering code staring with
2306 327
•
The subsequent first digit indicates the resistor type and
packaging; see the 12NC Ordering Code table.
•
The remaining 4 digits indicate the resistance value:
– The first 3 digits indicate the resistance value.
– The last digit indicates the resistance decade in
accordance with the 12NC Indicating Resistance
Decade table.
Last Digit of 12NC Indicating Resistance Decade
RESISTANCE DECADE
0.10 to 0.976
Ω
1 to 9.76
Ω
10 to 97.6
Ω
100 to 976
Ω
1 to 9.76 kΩ
10 to 12 kΩ
LAST DIGIT
7
8
9
1
2
3
Ordering Example
The ordering code for an PAC02, resistor value 47
Ω
with
± 1 % tolerance, supplied in ammopack of 500 units is:
2306 327 04709.
Product specifications deviating from the standard values
are available on request.
Document Number: 28731
Revision: 21-Jun-06
For technical questions contact: ww1resistors@vishay.com
www.vishay.com
129
Legal Disclaimer Notice
Vishay
Notice
Specifications of the products displayed herein are subject to change without notice. Vishay Intertechnology, Inc.,
or anyone on its behalf, assumes no responsibility or liability for any errors or inaccuracies.
Information contained herein is intended to provide a product description only. No license, express or implied, by
estoppel or otherwise, to any intellectual property rights is granted by this document. Except as provided in Vishay's
terms and conditions of sale for such products, Vishay assumes no liability whatsoever, and disclaims any express
or implied warranty, relating to sale and/or use of Vishay products including liability or warranties relating to fitness
for a particular purpose, merchantability, or infringement of any patent, copyright, or other intellectual property right.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications.
Customers using or selling these products for use in such applications do so at their own risk and agree to fully
indemnify Vishay for any damages resulting from such improper use or sale.
Document Number: 91000
Revision: 08-Apr-05
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1
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