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HDM Series
Moisture Resistant Carbon Film Resistor
Stackpole Electronics, Inc.
Resistive Product Solutions
Performance Characteristics
Item
TCR - Temperature Coefficient of Resistance
Overload (Short Time)
Damp heat (Steady State)
Load Life
Pressure Cooker Bias Test
Performance or Quality Acceptance
R < 100KΩ: -500 ~ +350ppm/oC
100KΩ ≤ R < 1MΩ: -700 ~ 0ppm/oC
R ≥ 1MΩ: -1500 ~ 0ppm/oC
Change of resistance
≤±(0.75% + 0.05Ω)
Change of resistance
R < 100KΩ: ≤±(3% + 0.05Ω)
R ≥ 100KΩ: ≤±(5% + 0.05Ω)
Change of resistance
R < 100KΩ: ≤±(2% + 0.05Ω)
R ≥ 100KΩ: ≤±(3% + 0.05Ω)
Change of resistance
≤±(20% + 0.05Ω)
Test Condition and Method
Measure resistance (R0) at room temperature (t),
after that, measure again the resistance (R) at
100oC higher than room temperature.
Apply the 2.5 times rated voltage or max overload
voltage whichever is lower for 5 seconds and leave
in room temperature for one hour after test.
In the chamber having temperature 40±2oC and
relative humidity 93±3%, apply one percent of the
power rating, 1.5 hour ON, 0.5 hour OFF for
1000 hours and leave in room temperature for
one hour after test.
At 70±2oC, apply rated DC voltage 1.5 hour ON,
0.5 hour OFF for 1000 hours and leave in room
temperature for one hour after test.
121oC, 2atm, 98-100%RH.
Apply the rated DC voltage for 100 hours.
Reference standards: JIS C5201-1, IEC60115-1
How to Order
1
H
2
D
3
M
4
1
5
2
6
J
7
T
8
4
9
K
10
7
11
0
Product Series
Size Power Rating
Tolerance
Code
Description
Size
Quantity
Resistance Value
HDM
Moisture Resistant
Carbon Film
14
12
0.25W
0.5W
Code
F
G
J
Tol
1%
2%
5%
Value
E24
T
A
B
Tape and Reel
Ammo
Bulk
all sizes
all sizes
all sizes
5,000
5,000
1,000
Four characters with the
multiplier used as the
decimal holder.
1 ohm = 1R00
10 Kohm = 10K0
2.2 Mohm = 2M20
Legacy Part Number (before January 3, 2011):
Nominal
SEI Type
HDM
Code
1/2
Resistance
4.7K
Tolerance
5%
Packaging
R
Type
Description
Code Wattage
Tolerance Values
Types
Qty
Description
Code
HDM
Moisture Resistant
Carbon Film
1/4
1/2
0.25W
0.5W
1%
2%
E24
All
5,000
Tape and Reel
Ammo
R
T
5%
All
1,000
Bulk
A
Rev Date: 03/28/2013
This specification may be changed at any time without prior notice
Please confirm technical specifications before you order and/or use.
2
www.seielect.com
marketing@seielect.com
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