3637 Series Beam Welding Alloy Resistor, Current Detection Precision Resistor

• Customization: Available
• Certification: Ace
• Shape: Alloy
• Model NO.: WSKM3637
• Cooling Method: High Temperature Resistant Insulating Flame Retard
• Function: High Back Pressure Transistor
• Working Frequency: High Frequency
• Structure: Alloy
• Encapsulation Structure: SMT
• Power Level: High Power
• Material: Alloy
• Resistance Material: Manganese Copper
• Resistance Material1: Nickel Chromium
• Resistance Material2: Iron Chromium Aluminum Alloy
• Specification: 9.91*4.27*1.88MM
• Trademark: lucky
• Origin: Shenzhen
• Production Capacity: 50000PCS/Month
• Package Size: 30.00cm * 20.00cm * 10.00cm
• Package Gross Weight: 1.000kg

Product Description

4-Terminal Package ,E-Beam Welded Metal Strip resistor,Plug in installation,Excellent long-term stability,AEC-Q200

Reliability Testing Passed

Product features:
1,electron beam welding alloy resistor, 4-terminal structure, pure copper electrode, is current
2,The ideal solution for inspection applications.
3,Good product consistency, reliability, high stability, strong pulse resistance, support holds a resistance tolerance of ±0.5%.
4,Special welding process, all metal construction, support for low resistance (down to 0.0002R)
5,high temperature resistant resin molding encapsulation, strong weather resistance.
6,Very low thermoelectric motive force (<1 uV/C).
7,Ultra-low parasitic inductance (0.5nH to 3nH) for fast response and high frequency use Ac current detection.
8,Passed AEC-Q200 automotive reliability test.
9,Comply with RoHS and other environmental requirements.
Product specifications and dimensions (unit mm):

series	power	Resistance range	allowance	TCR	Standard packing	L (mm)	W (mm)	T (mm)	B (mm)	C (mm)	A (mm)
wskm3637	3w	0.2mΩ	±1%(F) ±5%(J)	±150ppm	4000pcs	9.1±0.25	9.4±0.25	0.8±0.15	1.6±0.2 5	0.82±0.25	3.5±0.25
		0.3mΩ--1mΩ									3.2±0.25
		2mΩ--10mΩ		±75ppm							2.4±0.25

Recommended pad and size (unit mm):
	Serial number	Resistance value	a (mm)	a (mm)	c (mm)
	wskm3637	0.2mΩ--1mΩ	9.91	4.27	1.88
		2mΩ--10mΩ	9.91	3.18	4.06

PERFORMANCE INDEX :
ITEMS	STANDARD	TEST METHOD
Thermal shock	Within the specified value	IEC60115-14.8,Measured value -55°C+125°C, Reference value +20°C
Solderability	No visible damage, weldable area 95% Minimum	IEC60115-14.17,245°C Tin slot, hold for 3 sec
Short-time overload	No visible damage, △R±0.5% Maximum	IEC60115-14.13,2.5 times rated voltage, 5 sec
Resistance to solder heat	No visible damage, △R±0.5% Maximum	IEC60115-14.18,270°C tin bath, hold for 10 sec
High temperature and humidity	No visible damage, △R±1.0% Maximum	AEC-Q200 Test 7/MIL-STD-202 method 103 temperature 85 ºC, humidity 85% of the conditions applied 10% of the rated power (current) or component limit current (whichever is less), for 1000 hours.
High temperature storage	No visible damage, △R±1.0% Maximum	IEC60115-14.25.3,1000hours@170°C,Without load
Low temperature load	No visible damage, △R±0.5% Maximum	IEC60115-14.36,-55°C,No load for one hour, rated voltage load for 45 min, no load for 15 min
Temperature cycling	No visible damage, △R±0.5% Maximum	IEC60115-14.19,-55°C@30 min ~ room temperature @ <5 min ~ +155°C @ 30 min; 500 cycles
Load life	No visible damage, △R±1.0% Maximum	IEC60115-14.25.1,1000 h @ 70°C, rated voltage, 90 min on, 30 min off