SMX Series — Power Metal Oxide Resistors
Features
• Economical SMT 2 and 3 watt
• Resistance range from 0.1Ω to 470K
• Flex termination for absorbing Thermal
Expansion/ Vibration
• RoHS compliant/ lead-free
• Excellent heat dissipation
• Superior surge and pulse handling
• High temp mold encapsulation which
provides protection from harsh environments
• Lower values available, contact factory
Electrical Specifications
Type
SMX 2
SMX 3
Power Rating
(Watts)
@ 70°C
2
3
Maximum
Working
Voltage*
350
500
Maximum
Pulse Voltage
600
800
Resistance Temperature
Coefficient
±200 ppm/°C
±200 ppm/°C
Ohmic Range and Tolerance
1%
2.0K – 100K
3.01K – 118K
5%
2.0K – 470K
3.01K – 470K
* Lesser of
√
PR or maximum working voltage.
Mechanical Specifications
Type
SMX 2
SMX 3
A
Body Length
0.41
10.4
0.629
16.0
B
Body Diameter
0.435
11.1
0.708
18.0
C
Lead Length
0.18
4.6
0.256
6.5
D
Lead Diameter
0.24
6.1
0.276
7.0
E
Termination Width
0.10
2.5
0.11
2.5
F
Termination Length
0.115
2.9
0.115
2.9
Units
inches
mm
inches
mm
Performance Characteristics
Test
Moisture Resistance
Thermal Shock
Load Life @70°C – 1,000 hrs.
Test Results
±1.5%
±1.0%
±5.0%
How to Order
SMX
SEI Type
2
Code
10K
Nominal Resistance
5%
Tolerance
R
Packaging
Code
2
3
Tolerance
1%
5%
Values
E96
E24
Code
R
R
T
T
A
Description
Tape
Tape
Ammo
Ammo
Bulk
SEI Types Pkg Qty
SMX 2
SMX 3
SMX 2
SMX 3
All
2,500
1,000
1,000
500
1,000
Toll Free: (888) SEI-SEIS
(888) 734-7347
www.seielect.com
47
email: marketing@seielect.com
SMX Series — Power Metal Oxide Resistors
Performance Characteristics
Test
Shock and Vibration
Resistance to Soldering Heat
Terminal Strength
Dielectric Withstanding Voltage
Short Time Overload
Low Temperature Operation
Operating Temperature Range
Test Results
±1.0%
±1.0
±0.5%
±0.001%/V
±0.75%
±0.5%
-55°C to +165°C
Toll Free: (888) SEI-SEIS
(888) 734-7347
www.seielect.com
48
email: marketing@seielect.com
