HDM Series
Moisture Resistant Carbon Film Resistor
Features:
•
•
•
•
•
Stackpole Electronics, Inc.
Resistive Product Solutions
Specialized materials, processes and controls ensure a part
that is impervious to moisture
Small size with high power density
Auto sequencing / insertion capable
Low cost replacement in many applications using metal
glaze resistors
RoHS compliant / lead-free
Electrical Specifications
Type / Code
HDM14
Power Rating (Watts)
@ 70ºC
0.25W
Maximum
Working
Voltage (1)
300V
350V
Maximum
Overload
Voltage
600V
700V
Ohmic Range (Ω) and Tolerance
1%, 2%, 5%
1 - 2.2M
1 - 2.2M
HDM12
0.5W
(1) Lesser of
√PR
or maximum working voltage.
Mechanical Specifications
Type / Code
HDM14
HDM12
A
Body Length
0.13 ± 0.01/-0
3.2 ± 0.2/-0
0.24 ± 0.02
6.0 ± 0.3
B
Body Diameter
0.07 ± 0.01
1.8 ± 0.2
0.09 ± 0.01
2.4 ± 0.2
C
Lead Length (Bulk)
1.1 ± 0.12
28.0 ± 3.0
1.1 ± 0.12
28.0 ± 3.0
D
Lead Diameter
0.018 ± 0.002
0.45 ± 0.05
0.024 ± 0.002
0.6 ± 0.02
Unit
inches
mm
inches
mm
Rev Date: 08/25/2011
This specification may be changed at any time without prior notice
Please confirm technical specifications before you order and/or use.
1
www.seielect.com
marketing@seielect.com
HDM Series
Moisture Resistant Carbon Film Resistor
Stackpole Electronics, Inc.
Resistive Product Solutions
Performance Characteristics
Item
Performance or Quality Acceptance
R < 100KΩ: -500 ~ +350ppm/ºC
100KΩ
≤
R < 1MΩ: -700 ~ 0ppm/ºC
R
≥
1MΩ: -1500 ~ 0ppm/ºC
Test Condition and Method
Measure resistance (R0) at room temperature (t),
after that, measure again the resistance (R) at
100ºC higher than room temperature.
6
10
R-R
0
TCR =
x
(ppm/ºC)
R
0
(t + 100)-t
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.
TCR - Temperature Coefficient of Resistance
Overload (Short Time)
Change of resistance
≤±(0.75%
+ 0.05Ω)
Damp heat (Steady State)
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)
Load Life
Pressure Cooker Bias Test
Reference standards: JIS C5201-1, IEC60115-1
How to Order
1
2
3
4
5
6
7
8
9
10
11
H
Product Series
Moiture Resistant
HDM
Carbon Film
D
M
Size Power Rating
0.25W
14
0.5W
12
1
2
Tolerance
Tol
Value
1%
2%
E24
5%
J
Code
T
A
B
T
Description
Tape and Reel
Ammo
Bulk
4
Size
all sizes
all sizes
all sizes
K
Quantity
5,000
5,000
1,000
7
0
Resistance Value
Code
F
G
J
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):
SEI Type
Code
Nominal
Resistance
Tolerance
Packaging
HDM
Type
HDM
Description
Moisture Resistant
Carbon Film
1/2
Code Wattage
1/4
0.25W
1/2
0.5W
4.7K
5%
Tolerance Values
1%
E24
2%
5%
Types
All
All
Qty
5,000
1,000
R
Description
Tape and Reel
Ammo
Bulk
Code
R
T
A
Rev Date: 08/25/2011
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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