Through-hole resistors
Metal Glazed Film Resistors
High Voltage &
High Ohmic Type
Normal & Miniature Style [ HHV Series ]
FEATURES
Power Rating
1/4W, 1/2W, 1W, 2W, 3W
Resistance Tolerance
±1%, ±5%
T.C.R.
±200ppm/°C
Flameproof Multi-layer Coating Meets
UL-94V-0
Flameproof Feature Meets Overload Test
UL-1412
INTRODUCTION
DERATING CURVE
The HHV Series High Voltage & High Ohmic
Resistors are made of metal glaze film, with
tinned connecting leads of electrolytic copper
welded to the end-caps. The resistors are
coated with layers of pink color lacquer.
For resistors operated in ambient temperatures above 70°C, power rating must be derated
in accordance with the curve below.
Rated Load (%)
70
155 °C
100
80
60
40
20
20
40
60
80
100 120 140 160
Ambient Temperature (°C)
DIMENSIONS
Unit: mm
STYLE
ød
H
L
5th color code: yellow
øD
DIMENSION
Normal
Miniature
L
øD
H
ød
HHV-25
HHV50S
6.3±0.5
2.4±0.2
28±2.0
0.55±0.05
HHV-50
HHV1SS
9.0±0.5
3.3±0.3
26±2.0
0.55±0.05
HHV1WS
HHV2SS
11.5±1.0
4.5±0.5
35±2.0
0.8±0.05
HHV2WS
HHV3SS
15.5±1.0
5.0±0.5
33±2.0
0.8±0.05
37
Note:
ELECTRICAL CHARACTERISTICS
STYLE
HHV-25
HHV50S
HHV-50
HHV1SS
HHV1WS
Power Rating at 70°C
1/4W
1/2W
Maximum Working Voltage (DC)
1,600V
3,500V
5,000V
7,000V
Maximum Overload Voltage (DC)
3,000V
7,000V
10,000V
14,000V
Voltage Proof on Insulation
300V
500V
700V
Resistance Range
100KΩ - 68MΩ for E24 & E96 series value
Operating Temp. Range
-55°C to +155°C
Temperature Coefficient
±200pm/°C
1W
HHV2SS
HHV2WS
HHV3SS
2W
3W
Note: Special value is available on request
ENVIRONMENTAL CHARACTERISTICS
PERFORMANCE TEST
TEST METHOD
APPRAISE
Short Time Overload
IEC 60115-1 4.13
2.5 times RCWV for 5 sec. (Not more than maximum Overload Voltage)
±2.0%+0.05Ω
Voltage Proof on Insulation
IEC 60115-1 4.7
In V-Block for 60 sec., test voltage as above table
No Breakdown
Temperature Coefficient
IEC 60115-1 4.8
Between -55°C to +155°C
By type
Insulation Resistance
IEC 60115-1 4.6
in V-block for 60 Sec.
>10,000MΩ
Solderability
IEC 60115-1 4.17
245±5°C for 3±0.5 Sec.
95% Min. coverage
Solvent Resistance of Marking
IEC 60115-1 4.30
IPA for 5±0.5 Min. with ultrasonic
No deterioration of
coatings and markings
Robustness of Terminations
IEC 60115-1 4.16
Direct load for 10 Sec. in the direction of the terminal leads
≥2.5kg (24.5N)
Periodic-pulse Overload
IEC 60115-1 4.39
4 times RCWV 10,000 cycles (1 Sec. on, 25 Sec. off)
±1.0%+0.05Ω
Damp Heat Steady State
IEC 60115-1 4.24
40±2°C, 90-95% RH for 56 days, loaded with 0.1 times RCWV
±5.0%+0.05Ω
Endurance at 70°C
IEC 60115-1 4.25
70±2°C at RCWV (or Umax., Whichever less) for 1,000 Hr. (1.5Hr.on, 0.5Hr. Off) ±5.0%+0.05Ω
Temperature Cycling
IEC 60115-1 4.19
-55°C Room Temp. +155°C Room Temp. (5 cycles)
±1.0%+0.05Ω
Resistance to Soldering Heat
IEC 60115-1 4.18
260±3°C for 10±1 Sec., immersed to a point 3±0.5mm from the body
±1.0%+0.05Ω
Accidental Overload Test
IEC 60115-1 4.26
4 times RCWV for 1 Min.
No evidence of flaming
or arcing
Note: RCWV(Rated Continuous Working Voltage) = Power Rating x Resistance Value or Max. working voltage listed above, whichever less.
Revision: 2020
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