N-Series
0505 0603 0805 1005 1206 1020 2010 2512 2525 3725
ULR
HI PWR
RoHS
Data Sheet | ver. C 1/2019
Sn62
NON-MAG
BONDABLE
High Power A
l
N Thick Film Resistors
The IMS N-Series thick film high power chip resistors and chip terminations on aluminum nitride are ideal for most applications
requiring high thermal conductivity in a small size package. A
l
N is an ideal replacement for BeO with it’s high power dissipation and
no environmental or health hazards. Thick film technology provides a stable resistive element at a very affordable price.
FEATURES
·
High
stability thick film resistive element
·
Very high power dissipation
·
A
l
N substrate material
·
Tight TCRs
·
Maximum working voltage: E=√PR
resistance range is 10Ω to 2KΩ*
(Other values available, consult factory)
·
Standard tolerance is 2% or 5%
(Other tolerances available, consult factory)
·
Operating temperature: -55°C to +150°C
·
Ultra Leach Resistant terminals (ULR) available
* Max value for 0505, 1020 and 2525 sizes is 1KΩ
consult factory of additional values over max
·
Standard
DIMENSIONS
Part
0505
0603
0805
1005
1206
1020
2010
2512
2525
3725
Length
0.050”
0.060”
0.080”
0.100”
0.126”
0.098”
0.197”
0.250”
0.250”
0.375”
Width
0.050”
0.030”
0.050”
0.050”
0.063”
0.197”
0.098”
0.120”
0.250”
0.250”
Height ‘C’ Height ‘D’ Height ‘G’ Height ‘T’
(max)
(max)
(max)
(max)
W
H L
L
H
W
L
H
W
L
0.015”
0.015”
0.015”
N/A
N/A
N/A
N/A
N/A
N/A
N/A
0.020”
0.020”
0.020”
0.020”
0.020”
0.020”
0.020”
0.020”
0.020”
0.020”
0.035”
0.035”
0.035”
0.035”
0.035”
0.035”
0.035”
0.035”
0.035”
0.035”
N/A
N/A
N/A
N/A
N/A
0.050”
0.050”
0.050”
0.050”
0.050”
WA STYLE
(SB with backplane)
SS STYLE
SG STYLE
W
H
L
H
W
L
H
W
L
SZG STYLE
CS STYLE
EW STYLE
W
H
L
H
W
L
H
W
L
C=0.010” (available w/ size 0805 & smaller) / D=0.015”
G=0.025“ (available w/ size 0505/0603 & larger) / T=0.040” (available w/ size 2010 & larger)
Contact factory for detailed dimensional information.
Modelithics simulated part (1020 EZW)
EZW STYLE
DE STYLE
(0805 and smaller)
PW STYLE
TERMINATIONS
Termination Style Availability
Part
0505
0603
0805
1005
1206
1020
2010
2512
2525
3725
WA
SS
SB
SG
SZG
N/A
N/A
N/A
CS
N/A
N/A
EW
N/A
N/A
EZW
N/A
N/A
N/A
N/A
N/A
DE
N/A
N/A
N/A
PW
Termination Style
WA - Wraparound
SS - Single Sided
SB - Single Sided with Backplane
SG - Single Wrap to Ground
SZG - Single Wrap to Ground with
Tapered Resistor Element
CS - Center Stripe
EW - Extended Wrap
EZW - Extended Wrap with
Tapered Resistor Element
DE - Dual Extended
PW - Partial Wrap
Termination Materials
o
-3 PtAg
o
-7 Au over PtAu
o
-8 PtAg ULR
-C PtAg w/Sn62 Solder
-H PtAg w/ Sn62 Solder ULR
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
N/A
N/A
N/A
N/A
N/A
N/A
N/A
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
o
-P PtAg w/ Sn96 Solder
o
-R PtAg w/ Sn96 Solder ULR
RoHS Compliant =
o
•
Indicates Availability
Modelithics simulated part (1020 EZW)
International Manufacturing Services, Inc.
(401) 683-9700 | www.ims-resistors.com
Page 1 of 2
Specifications subject to change without notice. | AS9100D - ISO9001:2015
N-Series
0505 0603 0805 1005 1206 1020 2010 2512 2525 3725
ULR
HI PWR
RoHS
Data Sheet | ver. C 1/2019
Sn62
NON-MAG
BONDABLE
A Word About Thermal Management
Tests of aluminum nitride “SG” 50Ω terminations demonstrate the below power capacities, assuming a thermally conductive
application where the steady-state baseplate temperature of the chip is maintained at or below the values identified in the below table
and the maximum film temperature did not exceed 150°C. The data also shows that the ratio of temperature rise versus power applied
increases with increasing chip size (for a given thickness) so the criteria should be carefully considered when using larger chips. As with
any application, actual performance of these chips will depend on a host of circuit dependent parameters.
Thickness
Baseplate Temp
Item Size
0.010” (C)
∆T=100
45W
24W
75W
N/A
N/A
N/A
N/A
N/A
N/A
N/A
∆T=85
37W
20W
55W
N/A
N/A
N/A
N/A
N/A
N/A
N/A
∆T=50
24W
13W
37W
N/A
N/A
N/A
N/A
N/A
N/A
N/A
∆T=100
30W
16W
50W
60W
105W
160W
150W
200W
400W
640W
0.015” (D)
∆T=85
25W
13W
37W
48W
85W
125W
120W
150W
300W
500W
∆T=50
16W
8.7W
25W
30W
55W
80W
75W
100W
200W
340W
∆T=100
20W
9.5W
30W
40W
70W
95W
90W
120W
240W
380W
0.025” (G)
∆T=85
16W
7.7W
25W
30W
55W
80W
75W
100W
190W
310W
∆T=50
10W
5.2W
16W
20W
35W
50W
48W
60W
120W
200W
∆T=100
N/A
N/A
N/A
N/A
N/A
65W
60W
70W
150W
250W
0.040” (T)
∆T=85
N/A
N/A
N/A
N/A
N/A
50W
48W
60W
120W
200W
∆T=50
N/A
N/A
N/A
N/A
N/A
80W
30W
38W
75W
125W
0505
0603
0805
1005
1206
1020
2010
2512
2525
3725
ORDERING INFORMATION
Example: 33Ω, 2%, 2010 Center Stripe style resistor on 0.015"
substrate with PtAg terminations
N D 3 - 2010
Substrate Thickness
C - 0.010"¹
D - 0.015"
G - 0.025"
T - 0.040"²
S
CS
33R0
G
Tolerance
G - 2%
J - 5%
FREE
TRIAL
Evaluate IMS parts through Modelithics
measurement-based simulation models.
For 90-day FREE trial visit:
www.modelithics.com/mvp/ims
Termination Material
o
-3 PtAg
o
-7 Au over PtAu³
o
-8 PtAg ULR
Resistance value
The first three digits are significant values.
The fourth is the number of zeroes
following. The R indicates a decimal point
when resistance value is less than 100Ω.
-C PtAg w/ Sn62 Solder
-H PtAg w/ Sn62 Solder ULR
o
-P PtAg w/ Sn96 Solder
o
-R PtAg w/ Sn96 Solder ULR
Style
WA
SS
SB
EW
CS
EZW
4
DE
SZG
5
PW
SG
6
Packaging: B=Bulk, T=Tape and Reel
RoHS Compliant =
o
ULR = Ultra Leach Resistant
ULR
Sn62
HI PWR
NON-MAG
RoHS
BONDABLE
Case Size
0505
1020
0603
2010
0805
2512
1005 1206
2525
3725
Trim Method
Leave blank for normal
S=Scrub Cut
Modelithics simulated part (1020 EZW)
1. C-0.010" Substrate available in sizes 0805 and smaller.
2. T-0.040" Substrate available in sizes 2010 and larger.
3. Au over PtAu terminal metalization available on Single Sided (SS), Single Sided with Backplane (SB) and Single Wrap to Ground (SG) only.
The NX7- Single Wrap to Ground style features bondable terminal on input pad only, ground pad in PtAu.
4. ‘EZW’ denotes an Extended Wrap to Ground terminal style with a trapezoidal resistor body available in sizes 1005 and larger.
5. ‘SZG’’ denotes a Single Wrap to Ground terminal style with a trapezoidal resistor body available in sizes 1005 and larger.
6. ‘SG’ denotes a Single Wrap to Ground terminal style with a rectangular resistor body.
International Manufacturing Services, Inc.
(401) 683-9700 | www.ims-resistors.com
Page 2 of 2
Specifications subject to change without notice. | AS9100D - ISO9001:2015
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