SQH Series Cement Wire Wound Resistors

HOME > Resistors > Cement Wirewound Resistors > SQH Series Cement Wire Wound Resistors

SQH Series
SQH Series Cement Wire Wound Resistors


DIMENSIONS (mm) :

STYLE DIMENSION (mm)
L ¡Ó2.0 H ¡Ó1..5 W ¡Ó1.0 S ¡Ó2.0 P0 P1 P2 P3 P4 d
SQH-10W 48 10.5 10.5 33 8 11 6 6 3.0 3.8
SQH-15W 48 12.5 12.0 33 8 11 6 6 3.0 3.8
SQH-20W 63.5 12.5 12.5 48 8 11 6 6 3.0 3.8
SQH-25W 63.5 12.5 12.5 46 10 11 6 6 3.0 3.8
SQH-30W 70 19 18 56 10 18 8 8 3.5 42
SQH-40W 90 19 18 70 10 18 8 8 3.5 3.5

ELECTRICAL CHARACTERISTICS:

Style Power Rating 70 o C SQH-10W SQH-15W SQH-20W SQH-30W
----- ----- SQH-25W SQZ-40W
Operating Temp. Range
-55 o C ~ +155 o C
Max. Working Voltage 250V 350V 500V 500V
Max. Overload Voltage 500V 700V 1000V 1000V
Dielectric Withstanding Voltage (AC) 1000V 1000V 1000V 1000V
Value Range ¡Ó5% (Ceramic core) 0.39 ~300 £[ 0.51 £[ ~1K
Value Range ¡Ó5% (Metal Oxide Film) 300 £[ ~10K 300 £[ ~10K
Temp. Coefficient ¡Ó300ppm/ o C
* a. Standard resistance is as the above list, below or over this resistance is on request.
b. Value for Non-Inductive type up to 50 £[ only.
ENVIRONMENTAL CHARACTERISTICS :
TEST METHOD APPRAISE
Short Time Overload JIS-C-5202 5.5 : 2.5 times RCWV for 5 seconds ¡Ó(0.25%+0.05 £[)
Dielectric Withstanding V. JIS-C-5202 5.7 : in V-Block for 60 seconds By Type
Temperature Coefficient JIS-C-5202 5.2 : -55 o C ~+155 o C ¡Ó350ppm
Insulation Resistance JIS-C-5202 5.6 : in V-Block ¡Ó 1000 M £[
Solderability JIS-C-5202 6.5 : 235 o C for 5 ¡Ó0.5 seconds 95% min. coverage
Resistance to Solvent JIS-C-5202 6.9 : Trichroethance for 1 min. with ultrasonic no deterioration
Terminal Strength Direct load for 10 sec. In the direction of the terminal leads ¡Ó2.5KG/24.5N
Load Life in Humidity JIS-C-5202 7.9 : 40 ¡Ó2 o C, 90~95% RH at RCWV for 1000 hrs
(1.5hrs. on, 0.5 hrs. off) 		¡Ó(3%+0.05 £[)
Load Life JIS-C-5202 7.10 : 70 o C at RCWV for 1000hrs (1.5hrs.on, 0.5hrs.off) ¡Ó(3%+0.05 £[)