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SQH Series

SQH Series Cement Wire Wound Resistors

DIMENSIONS (mm) :

STYLE	DIMENSION (mm)
STYLE	L ?.0	H ?..5	W ?.0	S ?.0	P0	P1	P2	P3	P4	d
SQH-10W	48	10.5	10.5	33	8	11	6	6	3.0	4
SQH-15W	48	12.5	12.0	33	8	11	6	6	3.0	4
SQH-20W	63.5	12.5	12.5	48	8	11	6	6	3.0	4
SQH-25W	63.5	16	16	46	10	11	6	6	3.0	4
SQH-30W	70	19	18	56	10	18	8	8	3.5	4
SQH-40W	90	19	18	71	10	18	8	8	3.5	4

ELECTRICAL CHARACTERISTICS:

Style Power Rating 70°C	SQH-10W	SQH-15W	SQH-20W	SQH-30W
Style Power Rating 70°C	-----	-----	SQH-25W	SQZ-40W
Operating Temp. Range		-55°C ~ +155°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 ?% (Ceramic core)	0.39 ~300 Ω		0.51 Ω ~1K
Value Range ?% (Metal Oxide Film)	300 Ω ~10K		300 Ω ~10K
Temp. Coefficient	?00ppm/°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 Ω only.

ENVIRONMENTAL CHARACTERISTICS :

	TEST METHOD	APPRAISE
Short Time Overload	JIS-C-5202 5.5 : 2.5 times RCWV for 5 seconds	?0.25%+0.05 Ω)
Dielectric Withstanding V.	JIS-C-5202 5.7 : in V-Block for 60 seconds	By Type
Temperature Coefficient	JIS-C-5202 5.2 : -55°C ~+155°C	?00ppm Max.
Insulation Resistance	JIS-C-5202 5.6 : in V-Block	≥1000 MΩ
Solderability	JIS-C-5202 6.5 : 235°C for 5 ?.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	≥2.5KG/24.5N
Load Life in Humidity	JIS-C-5202 7.9 : 40 ?°C, 90~95% RH at RCWV for 1000 hrs (1.5hrs. on, 0.5 hrs. off)	?5%+0.05Ω)
Load Life	JIS-C-5202 7.10 : 70°C at RCWV for 1000hrs (1.5hrs.on, 0.5hrs.off)	?5%+0.05Ω)

WILDEX CORPORATION
6F, NO.151, Sec.3, Beishen Rd, Shenkeng Dist, New Taipei City, Taiwan.
TEL:886-2-26641909 FAX:886-2-26640242 wildex@wildexco.com、wildex@ms26.hinet.net