Precision current sensing resistor Walter Elec HFCL2512M2W0R015F featuring flame retardant epoxy coating

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Product Description

HFCL-Series Current Sensing Resistors

The HFCL-series are metal foil current sensing resistors designed for precise current measurement. They offer high performance and reliability, making them suitable for various electronic applications requiring accurate current monitoring.

Product Attributes

Brand: HFCL
Material: MnCu alloy (M)
Substrate: Alumina Ceramic
Adhesion Layer: Epoxy
Resistive Element: Cu-alloy
Terminal Electrode: Sn, Ni, Cu
Protective Coating: Flame-retardant epoxy (UL-94-V0, Green)
Marking Coating: Flame-retardant epoxy (UL-94-V0, Black)

Technical Specifications

Part Number	Series Number	Material	Power Rating (Watt)	Nominal Resistance Value (m)	Resistance Tolerance (%)	TCR (ppm)	Dimensions (mm) (w x L)
HFCL2512M2W0-series	HFCL2512	M	2.0	R001~R025 (1~4)	1% (F)	100	6.300.20 x 3.100.20
HFCL2512M2W0-series	HFCL2512	M	2.0	R005~R025 (5~25)	0.5% (D) / 1% (F)	50	6.300.20 x 3.100.20
HFCL3015M2W0-series	HFCL3015	M	2.0	R001~R025 (1~4)	1% (F)	100	7.600.30 x 3.800.30
HFCL3015M2W0-series	HFCL3015	M	2.0	R005~R025 (5~25)	0.5% (D) / 1% (F)	50	7.600.30 x 3.800.30
HFCL3618M3W0-series	HFCL3618	M	3.0	R001~R025 (1~4)	1% (F)	100	9.000.30 x 4.500.30
HFCL3618M3W0-series	HFCL3618	M	3.0	R005~R025 (5~25)	0.5% (D) / 1% (F)	50	9.000.30 x 4.500.30
HFCL3921M5W0-series	HFCL3921	M	4.0	R001~R050 (1~4)	1% (F)	100	11.00.30 x 5.000.30
HFCL3921M5W0-series	HFCL3921	M	4.0	R005~R050 (5~50)	0.5% (D) / 1% (F)	50	11.00.30 x 5.000.30

Product Characteristics and Reliability Test Standards

Parameter	Conditions	Acceptance Criteria	Test Method
Short Time Over Load	P=1.5Pr; T=252C, t=5sec.	(1.0%+0.5m)	IEC60115-1 4.13
High Temp. Exposure	T=+1702C; t=1000h	(1.0%+0.5m)	IEC60115-1 4.25
Low Temp. Storage	T=-552C; t=1000h	(1.0%+0.5m)	IEC60115-1 4.25
Moisture Load Life (60, 95%RH)	Vtest=Vmax; T=602C; RH=95%; t=90min ON, 30min OFF, 1000h	(2.0%+0.5m)	IEC60115-1 4.25
Thermal Shock	[-55C 30min. R.T. 3min. +155C 30min. R.T. 3min.], 100 Cycles	(1.0%+0.5m)	IEC60115-1 4.19
Load Life at 70C	Vtest=Vmax; T=702C; t=90min ON, 30min OFF, 1000h	(2.0%+0.5m)	IEC60115-1 4.25
Solderability	Dip into solder at T=2455C, t=30.5sec.	The covered area >95%	IEC60115-1 4.17
Resistance to Solder Heat	Through Reflow T=2755C, t=201sec.	(1.0%+0.5m)	IEC60115-1 4.18
Mechanical Shock	a=100G, t=11ms, 5 times shock	(1.0%+0.5m)	IEC60115-1 4.21
Substrate Bending	Span: 90mm; Bend Width: 2mm; Test board: Glass-Epoxy Board; Thickness: 1.6mm	(1.0%+0.5m)	IEC60115-1 4.33

Environmental Characteristics

Operating Temperature: -55155

Storage Conditions: Under airtight in temperature +1040, relative humidity 75% can store 2 years. Without dew in temperature +1060, relative humidity be 95% maximum value for 30 days.

Solder Pad Size and Welding Conditions

Part Number	P (mm)	W (mm)	D (mm)	V (mm)	E (mm)	Loading (W)
HFCL2512M2W0-series	2.00	5.10	1.00	0.70	0.50	2.0W
HFCL3015M2W0-series	2.40	6.60	1.20	0.95	0.45	2.0W
HFCL3618M3W0-series	2.80	7.80	1.40	1.10	0.55	3.0W
HFCL3921M5W0-series	3.30	8.90	1.50	1.70	0.80	4.0W

Recommended Rework temperature (hot air equipment): 350, 3~5 seconds.

Packaging Information

Type Number	Quantity (pcs)	Weight (g)
HFCL2512M2W0-series	4,000	27050
HFCL3015M2W0-series	2,000	36050
HFCL3618M3W0-series	2,000	44050
HFCL3921M5W0-series	2,000	51060