SM, SMH Series Datasheet by Stackpole Electronics Inc

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Rev Date: 11/23/2020 1 www.seielect.com
This specification may be changed at any time without prior notice marketing@seielect.com
Please confirm technical specifications before you order and/or use.
SM / SMH Series
Surface Mount Wirewound Resistor
Stackpole Electronics, Inc.
Resistive Product Solutions
Features:
• High temperature molded encapsulation
• Flex termination for absorbing thermal expansion
• All welded construction
• Non-inductive winding available (contact Stackpole with requirements)
• RoHS compliant, lead free and halogen free
Electrical Specifications
Mechanical Specifications
0.260 ±0.015 0.280 ±0.032 0.140 ±0.015 0.150 ±0.015 0.100 ±0.015 0.090 ±0.015 0.138 0.130 0.350 inches
6.60 ±0.38 7.11 ±0.81 3.56 ±0.38 3.81 ±0.38 2.54 ±0.38 2.29 ±0.38 3.51 3.30 8.89 mm
0.410 ±0.015 0.430 ±0.032 0.180 ±0.015 0.240 ±0.015 0.122 ±0.015 0.090 ±0.015 0.181 0.157 0.583 inches
10.41 ±0.38 10.92 ±0.81 4.57 ±0.38 6.10 ±0.38 3.10 ±0.38 2.29 ±0.38 4.60 3.99 14.81 mm
0.455 ±0.015 0.475 ±0.032 0.215 ±0.015 0.270 ±0.015 0.122 ±0.015 0.105 ±0.015 0.169 0.157 0.587 inches
11.56 ±0.38 12.07 ±0.81 5.46 ±0.38 6.86 ±0.38 3.10 ±0.38 2.67 ±0.38 4.29 3.99 14.91 mm
0.455 ±0.015 0.475 ±0.032 0.150 ±0.015 0.270 ±0.015 0.122 ±0.015 0.105 ±0.015 0.169 0.157 0.587 inches
11.56 ±0.38 12.07 ±0.81 3.81 ±0.38 6.86 ±0.38 3.10 ±0.38 2.67 ±0.38 4.29 3.99 14.91 mm
0.455 ±0.015 0.475 ±0.032 0.150 ±0.015 0.270 ±0.015 0.122 ±0.015 0.105 ±0.015 0.169 0.157 0.587 inches
11.56 ±0.38 12.07 ±0.81 3.81 ±0.38 6.86 ±0.38 3.10 ±0.38 2.67 ±0.38 4.29 3.99 14.91 mm
0.625 ±0.015 0.645 ±0.032 0.250 ±0.015 0.275 ±0.015 0.122 ±0.015 0.130 ±0.015 0.236 0.157 0.850 inches
15.88 ±0.38 16.38 ±0.81 6.35 ±0.38 6.99 ±0.38 3.10 ±0.38 3.30 ±0.38 5.99 3.99 21.59 mm
0.800 ±0.015 0.830 ±0.032 0.370 ±0.015 0.350 ±0.015 0.115 ±0.015 0.165 ±0.015 0.340 0.157 0.950 inches
20.32 ±0.38 21.08 ±0.81 9.40 ±0.38 8.89 ±0.38 2.92 ±0.38 4.19 ±0.38 8.64 3.99 24.13 mm
E
Termination
Width
SM4527…-LP
Length
C
Body
Height
SM4527
Width
SM8035
SMH4527
Type / Code
SM2615
SM4124
H
SM6227
Unit
A
Body
Length
B
Total
F
Termination
Length
D
Body
Maximum Dielectric
Type / Code Working Withstanding
Voltage Voltage (V)
± 75 0.01 -0.091
± 100 5 - 10 3 - 10 1 - 10 0.1 -10
± 20 10.2 -400 11 -400
± 75 0.051 -0.098 0.01 -0.091
± 100 5 - 10 3 - 10
± 20 10.2 -1 K 11 -1 K
± 75
± 100
± 20
SM4527…-LP 2√PR > 500 ± 75
SMH4527 3√PR > 500 ± 75
± 75
± 100
± 20 10.2 -3 K 11 -3 K
± 75
± 100
± 20 10.2 -5 K 11 -5 K
0.051 - 0.091
0.1 - 10
10.1 - 5 K
SM8035
4
√PR
> 500
-
10.1 - 1 K
10.2 - 1 K
11 - 1 K
SM6227
3
√PR
> 500
-
0.051 - 0.091
0.1 - 10
10.1 - 3 K
-
0.01 - 0.05
-
0.051- 0091
0.01 - 0.091
5 - 10
3 -10
0.1 - 10
1
√PR
> 500
-
10.1 - 400
TCR
(ppm/ºC)
Power Rating
(W)
@ 70 ºC
Ohmic Range (Ω) and Tolerance
0.1%
0.5%
1%
5%
-
SM2615
> 500
SM4124
2
SM4527
2
√PR
> 500
0.1 - 10
10.1 - 1 K
0.01 - 0.05
-
√PR
"' ______'_7 275v Te m p ('C) *dpdn 9°b°’\°$ Percent Rated Power —SM2615 1W —SM4124 2W —SM6227 3W ‘—SM 8335 4W
Rev Date: 11/23/2020 2 www.seielect.com
This specification may be changed at any time without prior notice marketing@seielect.com
Please confirm technical specifications before you order and/or use.
SM / SMH Series
Surface Mount Wirewound Resistor
Stackpole Electronics, Inc.
Resistive Product Solutions
SM Series Hot Spot Temperature
Power Derating Curve:
Performance Characteristics
Test Test Specification
Moisture Resistance ± 1%
Thermal Shock ± 0.5%
Load Life @ 70ºC - 1000 hours ± 1%
Resistance to Soldering Heat ± 1%
Terminal Strength ± 0.5%
Dielectric Withstanding Voltage ± 0.001% / V
Short Time Overload ± 0.2%
Operating temperature range is -55ºC to +275ºC
0
275ºC
Ambient Temperature (ºC)
200
240
280
320
120
160
-55ºC
70ºC
-60
-40
0
40
80
Percent Rated Power (%)
100
80
60
40
20
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Rev Date: 11/23/2020 3 www.seielect.com
This specification may be changed at any time without prior notice marketing@seielect.com
Please confirm technical specifications before you order and/or use.
SM / SMH Series
Surface Mount Wirewound Resistor
Stackpole Electronics, Inc.
Resistive Product Solutions
Recommended Solder Profile
This information is intended as a reference for solder profiles for Stackpole resistive components. These profiles should
be compatible with most soldering processes. These are only recommendations. Actual numbers will depend on board
density, geometry, packages used, etc., especially those cells labeled with “*”.
100% Matte Tin / RoHS Compliant Terminations
Soldering iron recommended temperatures: 330°C to 350°C with minimum duration.
Maximum number of reflow cycles: 3.
Recommended Lead Free Resistor Reflow Profile
Wave Soldering
Description Maximum Recommended Minimum
Preheat Time 80 seconds 70 seconds 60 seconds
Temperature Diff. 140°C 120°C 100°C
Solder Temp. 260°C 250°C 240°C
Dwell Time at Max. 10 seconds 5 seconds *
Ramp DN (°C/sec) N/A N/A N/A
Temperature Diff. = Defference between final preheat stage and soldering stage.
Convection IR Reflow
Description Maximum Recommended Minimum
Ramp Up (°C/sec) 3°C/sec 2°C/sec *
Dwell Time > 217°C 150 seconds 90 seconds 60 seconds
Solder Temp. 260°C 245°C *
Dwell Time at Max. 30 seconds 15 seconds 10 seconds
Ramp DN (°C/sec) 6°C/sec 3°C/sec *
Compliart (YVNVW) Precision W‘rewoum Resistor % ‘—\ Product Series Pawer Ralwinu Tolerance Packaging Resistance Value Special Code Desenpnon Swze Code Tm Descriphun Swze enemy Code Descnption SM Smndard 25‘s v‘v a ow, 2515 1500 (mark) Smndard SMH ngh Power MZA 2 D 0.5% Aszn-LPLHaszv 1200 decima‘mlder -LP Low Pmlile NSM Non-imumive A527 2 F m 4527 900 (+0452? 3 J 5% 4124 am) 5227 a 5227 750 under m ohm 3035 4 mm 350 omohm mm a 1 ohm = moo IKohm=VKDD www.seielem.cum marketinngeIelec om
Rev Date: 11/23/2020 4 www.seielect.com
This specification may be changed at any time without prior notice marketing@seielect.com
Please confirm technical specifications before you order and/or use.
SM / SMH Series
Surface Mount Wirewound Resistor
Stackpole Electronics, Inc.
Resistive Product Solutions
RoHS Compliance
Stackpole Electronics has joined the worldwide effort to reduce the amount of lead in electronic components and to meet the various
regulatory requirements now prevalent, such as the European Union’s directive regarding “Restrictions on Hazardous Substances”
(RoHS 3). As part of this ongoing program, we periodically update this document with the status regarding the availability of our
compliant components. All our standard part numbers are compliant to EU Directive 2011/65/EU of the European Parliament as
amended by Directive (EU) 2015/863/EU as regards the list of restricted substances.
“Conflict Metals” Commitment
We at Stackpole Electronics, Inc. are joined with our industry in opposing the use of metals mined in the “conflict region” of the eastern
Democratic Republic of the Congo (DRC) in our products. Recognizing that the supply chain for metals used in the electronics industry
is very complex, we work closely with our own suppliers to verify to the extent possible that the materials and products we supply do
not contain metals sourced from this conflict region. As such, we are in compliance with the requirements of Dodd-Frank Act regarding
Conflict Minerals.
Compliance to “REACH”
We certify that all passive components supplied by Stackpole Electronics, Inc. are SVHC (Substances of Very High Concern) free and
compliant with the requirements of EU Directive 1907/2006/EC, “The Registration, Evaluation, Authorization and Restriction of
Chemicals”, otherwise referred to as REACH. Contact us for complete list of REACH Substance Candidate List.
Environmental Policy
It is the policy of Stackpole Electronics, Inc. (SEI) to protect the environment in all localities in which we operate. We continually strive
to improve our effect on the environment. We observe all applicable laws and regulations regarding the protection of our environment
and all requests related to the environment to which we have agreed. We are committed to the prevention of all forms of pollution.
How to Order
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
S M 4 1 2 4 F T 1 K 0 0 - L P
RoHS Compliance Status
SM
Surface Mount - General Purpose and
Precision Wirewound Resistor
SMD YES 100% Matte Sn Jan-06 06/01
Lead-Free
Mfg. Effective Date
(Std Product Series)
Lead-Free
Effective Date
Code
(YY/WW)
Standard
Product
Series
Description
Package /
Termination
Type
Standard
Series
RoHS
Compliant
Lead-Free Termination
Composition
Resistance Value
Code Description Size W Code Tol Code Description Size Quantity Code Description
SM Standard 2615 1 B 0.1% 2615 1500 (blank) Standard
SMH High Power 4124 2 D 0.5% 4527(-LP), H4527 1200 -LP Low Profile
NSM Non-inductive 4527 2 F 1% 4527 900
(H)4527
3 J 5% 4124 800
6227
36227 750
8035
48035 350 0.01 ohm = 10L0
0.1 ohm = R100
1 Kohm = 1K00
Four characters with the
multiplier used as the
decimal holder.
"L" used as multiplier
of 10-3 for any value
under 0.1 ohm.
Special
Product Series
Tolerance
Packaging
Power Rating
T
13" Reel
Plastic Tape

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