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GR Series

Product features:

1. Small size and high power

2. Sturdy structure and high stability

3. Aluminum shell for heat dissipation, suitable for installation of heat dissipation plates

4. Silicon copper film compression molding with good insulation performance

5. Meets lead-free/RoHS requirements

Product consultation hotline:18617185077

Product details

Product application:Widely used in the power supply, frequency converter, elevator, stage audio, and high-end equipment industries.

Appearance and dimensions:

Category Style	Dimensions unit: mm
Category Style	L1 ± 2	L2 ± 1	L3 ± 1	A ± 1	B ± 1	C ± 1	E ± 0.3	S ± 1	H ± 0.5
KAL 10	32	19	14	20	15.5	10.5	2	10	5
KAL 25	47	27	18	27	19	15	3.2	15.5	7
KAL 50	70	50	39	29	21	15	3.2	15.5	7
KAL 80	102	66	35	47	37	28	4.5	25	12
KAL 100	135	89	69	70	48	46	5	44.5	19.5
KAL 250	155	114	98	77	64	53	5	55.5	25
KAL 300	155	114	98	77	64	53	5	55.5	25

Power attenuation curve and temperature rise curve:

Power attenuation curve:

Temperature rise curve:

Technical description:

Category Style	Power Rating		Resistance range (Ω)		Maximum working voltage MWV (V)		Heat dissipation plate area		Weight (g) Weight
Category Style	With heat dissipation plate	Without heat dissipation plate	KAL	NKAL (no sensation)	KAL	NKAL (no sensation)	Surface area (cm2)	Thickness (mm)	Weight (g) Weight
KAL 10	10	8	0.02-6K	0.03-2.3K	245	180	415	1	6
KAL 25	25	13	0.012-15K	0.02-5.5K	500	300	535	1	11
KAL 50	50	10	0.01-40K	0.02-12K	1300	600	995	1	30
KAL 80	80	45	0.1-3.0K	0.1-3.0K	1500	1000	995	3	90
KAL 100	100	50	0.4-50K	0.12-25K	1900	1340	995	3	160
KAL 250	250	60	0.6-80K	0.15-40K	2500	1750	4765	3	480
KAL 300	300	70	0.6-90K	0.15-50K	2500	1750	4765	3	550

Main performance:

Reference standard: JIS-C-5202

project Items	Standard value Standard	test method Test Methods
Short term overload Short time overload	± 1%	2.5 times rated power/5 seconds 2.5 times power/5 seconds
temperature coefficient Temperature Coefficient	± 200 PPM/℃	Experimental temperature: Room temperature 100 ℃ Test temperature: Indoors Temperature. 100 ℃
Heat resistance Resistance to solver head	± 1%	Soldering temperature: 350 ± 10 ℃, time: 3 seconds Solder Temperature: 350 ± 10 ℃, time: 3 seconds
Voltage withstand Dielectric with standing voltage	No burning or insulation damage No breakdown or flashover	Apply a DC voltage of 500V for 1 minute 500V for 60 seconds
Moisture resistance load Humidity Load Life	± 0.5%	Temperature: 40 ± 2 ℃, relative humidity: 90-95%, 1 time the rated working voltage, time 1000 hours (1.5 hours on and 0.5 hours off) Rated voltage 1.5hr ON, 0.5hr OFF at 40 ± 2 ℃, 90-95&RH for 1000hr
Load life Load Life	± 2.0%	Temperature: 25 ℃, 1 time the rated working voltage, time 1000 hours (1.5 hours on and 0.5 hours off) Rated voltage 1.5hr ON, 0.5hr OFF at 25 ℃ for 1000hr
Solderability Solderability	More than 95% of the tin eating area At least 95% coverage	Soldering temperature: 235 ± 5 ℃, time: 2 ± 0.5 seconds 235 ± 5 ℃ for 2 ± 0.5 seconds

Model Description:

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