Axial Leaded Precision Resistors
Type H2 Series
Literature No. 1773194
Issued: 06-07
Dimensions are shown for
reference purposes only.
Dimensions are in millimetres
unless otherwise specified.
Specifications subject to
change.
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Key Features
■Tolerances - Down To 0.1%
■High Pulse Withstand
■Low TCR - Down To 25ppm/°C
■Long Term Stability
■Up To 1 Watt at 70°C
Type H2 Series
The H2 range of Precision Metal Film
Resistors meets the requirement for
economically priced components for
industrial and military applications. The
manufacturing facility utilises closely
controlled production processes
including the sputter coating of metal
alloy films to ceramic substrates, and
laser spiralling to achieve close
tolerance and high stability resistors.
An epoxy coating is applied for
environmental and mechanical
protection.
General Data
Lead Material: Solderability to BS CECC 40101 004 Para 4.15.1
Encapsulation: Conformal Epoxy Coating
Resistor Marking: Legend printed in accordance with CECC 40000 Para 2.4
Solvent Resistance: The epoxy coating and print will withstand the action of all commonly
used industrial cleansing solvents
Temperature Coefficient /
Tolerance Ranges
TCR ppm/°C
0.1%-0.25% 0.5%-1.0%
25 4M0-5M0 4M0-5M0
50 4M0-10M 4M0-10M
100 4M0-10M 4M0-10M
Characteristics -
Electrical
Power Rating at 70°C:
(Derates to zero at 155°C)
1.0W
Temperature Rise:
65°C
Limiting Element Voltage:
500V
Characteristics -
Electrical
Typical Data
Voltage Coefficient of Resistance Less Than 5ppm/Volt Applied
(Between 10% and Full Rated Voltage)
Insulation Resistance at 500 Volts Greater Than 1012 Ohms
Resistance to Soldering Less Than 0.05%
Heat (260°C for 10 Secs.)
Short Term Overload (6.25 Times Rated Less Than 0.06%
BS CECC Wattage for 5 Seconds)
Ambient Temperature Range -55°C to +155°C
Rapid Change of Temperature Less Than 0.04%
(-55°C to +155°C, 5 cycles)
Shelf Life (at Normal Room Temp.) Less Than 0.05% Per Annum
Vibration (10-500 HZ,Amplitude 0.75mm, Less Than 0.04%
or Acceleration 98m/s2which is less
severe, sweep duration 6 hours)
Vibration (55-2000 Hz Simple Less Than 0.04%
Harmonic Motion, Max.Acceleration
98m/s2, Duration 35±5 Minutes)
Bump (390m/s2, 4000 Bumps) Less Than 0.03%
H2 4M0 B D A R
Common Part
4M ohm
(4000000 ohms) 4M0
Resistance Value Tolerance
H2
B - 0.1%
C - 0.25%
D - 0.5%
F - 1.0%
T.C.R. Code
A - Part can only be
sold with Commercial
or C of C release.
Release Factory Stock
Code
D - 25ppm
C - 50ppm
Z - 100ppm
Batch Code
How to Order
Dimensions
To prevent damage to the components conformal coating, the leads should be adequately supported during the forming process
Body Length Body Diameter Lead Diameter Lead Length Recommended Weight
(L) maximum (D) maximum (d) maximum (l) nominal Mounting Pitch (g/100 resistors)
15.5 mm 5.50 mm 0.80 mm 30.0 mm 18.4 mm 115
