Rev Date: 01/16/2013 1 www.seielect.com
This specification may be chang ed at a ny time witho ut pri or noti c e marketing@seielect.com
Please confirm technical specifications before you order and/or use.
SM/SMH Series
Surface Mount Wirew ound Resistor
Stackpole Electronics, I nc.
Resistive Product Solutions
Maximum Dielectric
Ty pe / Code Working Withstanding
Voltage Voltage 0.1% 0.5% 1% 5%
±100 ppm/ºC 1 - 10 1 - 10 0.01 - 10 0.01 - 10
± 20 ppm/ºC 10.2 - 1K 10.2 - 1K 10.2 - 1K 10.2 - 1K
±100 ppm/ºC 1 - 10 0.5 - 10 0.01 - 10 0.01 - 10
± 20 ppm/ºC 10.2 - 2K 10.2 - 2K 10.2 - 2K 10.2 - 2K
±75 ppm/ºC 0.01 - 0.06 0.01 - 0.06 0.01 - 0.06
±100 ppm/ºC 0.1 - 10 0.1 - 10 0.1 - 10
±20 ppm/ºC 10.2 - 2K 10.2 - 2K 10.2 - 2K
SMH4527 3W 60V >500V ±75 ppm/ºC -0.01 - 0.06 0.01 - 0.06 0.01 - 0.06
±100 ppm/ºC 0.5 - 10 0.2 - 10 0.01 - 10 0.01 - 10
± 20 ppm/ºC 10.2 - 3K 10.2 - 3K 10.2 - 3.01K 10.2 - 3K
±100 ppm/ºC 0.1 - 9.76 0.1 - 9.76
± 20 ppm/ºC 10 - 2K 10 - 2K
Zero ohm avai lable on all sizes
>500V
Power Rati ng
(Wa tts)
@ 70ºC
Resistanc e
Temperature
Coefficient
SM2615
1W
25V
>500V
SM4527
2W
60V
>500V
-
-
Ohmic Range (Ω) and Tolerance
SM8035
4W
100V
>500V
>500V
SM4124
2W
50V
SM6227
3W
100V
-
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
SM4527 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
0.01Ω - 0.06Ω11.56 ±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
SM4527 0.455 ±0.015 0.475 ±0.032 0.180 ±0.015 0.270 ±0.015 0.122 ±0.015 0.105 ±0.015 0.169 0.157 0.587 inches
0.1Ω - 2K Ω11.56 ±0.38 12.07 ±0.81 4.57 ±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 0.825 ±0.032 0.362 ±0.015 0.350 ±0.015 0.122 ±0.015 0.122 ±0.015 0.340 0.157 0.950 inches
20.32 ±0.38 20.96 ±0.81 9.19 ±0.38 8.89 ±0.38 3.10 ±0.38 3.10 ±0.38 8.64 3.99 24.13 mm
Length
D
Body
Width
E
Termi nati on
Width
H
L
SM6227
Unit
W
A
Body
Length
B
Total
Length
C
Body
Height
F
Termination
SM8035
SMH4527
Type / Code
SM2615
SM4124
Features:
• High temperature molded encapsulation
• Flex termination for absorbing thermal expansion
• All welded construction
• Non-inductive types available as NSM
• RoHS compliant / lead-free
Mechanic al Spec ifications
Electrical Specifica tions
Rev Date: 01/16/2013 2 www.seielect.com
This specification may be chang ed at a ny time witho ut pri or noti c e marketing@seielect.com
Please confirm technical specifications before you order and/or use.
SM/SMH Series
Surface Mount Wirew ound Resistor
Stackpole Electronics, I nc.
Resistive Product Solutions
1 2 345678910 11 12
S M 4 1 2 4 F T 1 K 0 0
Nominal
Resistance Tolerance
1K 1%
Type Description Code Size Tolerance Types Qty Description Code
SM Standard 12615 0.1% SM 1 1,500
SMH High Power 24124 0.5% SM 2 800
NSM Non-inductive 2A 4527 1% SM 2A, 3A 1,200
(H)3A 4527 5% SM 3 750
36227 SM4 350
48035
13" reel
plastic tape
R
SEI Type
Code
Packaging
SM
2
R
Size
SM 2615 Code Tol Code Quantity
SMH 4124 B0.1% 1,500
NSM 4527 D0.5% 800
(H)4527 F1%
1,200
6227 J5%
750
8035 ZJumper
350
6227
2615
0. 01 ohm = 10L0
Description
Size
Product Series
Power
Tolerance
Resistanc e Value
Packaging
10 Kohm = 10K0
Zero ohm jumper = 0R00
4W
8035
13" Reel
Plastic Tape
Four character s wi th the
multi pli er used as the
decimal holder .
"L" used as multipli er
of 10
-3
f or any value
under 0.1 ohm.
4124
4527, H4527
Standard
Non-inductive
T
2W
2W
1W
3W
3W
High Power
Test Results
Moi sture Resi stance ±1%
Thermal Shock ±0.5%
Load Li fe @ 70ºC - 1, 000 hrs. ±1%
Resistanc e to Solder ing Heat ±1
Terminal Strength ±0.5%
Dielectric Wi thstandi ng Voltage ±0.001% / V
Short Time Over load ±0.2%
Oper ating Temperatur e Range: -55ºC to + 275ºC
0
Percent R at ed Power (%)
100
80
60
40
20
-55ºC
70ºC
-60
-40
0
40
80
275°C
Ambient Temperat ure (ºC )
200
240
280
320
120
160
Power Derating Curve:
Legacy Part Number (before January 3, 2011):
How to Order
Performance Characteristics
