Résistance de puce à ultra faible résistance (bande métallique) (Série LR LR12FTKSR005)

LR12FTKSR005

résistances métalliques

Résistance ultra basse ohmique en bande métallique pour la détection de courants importants, résistant aux hautes températures. Faible TCR pour une dérive de résistance stable à travers les températures élevées.
LR Series2512 ±1% 100 2W Series5mΩ

Taille	Tolérance	TCR (ppm /℃)	Puissance	Résistance (Ohm)
2512	±1%	100	2W	5m

Spécifications électriques de haute puissance

Exemple de codes de résistance

Caractéristiques environnementales

Endurance

Item/th>	Requirement	Test Method
Temperature Coefficient of Resistance (T.C.R.)	As Spec.	MIL-STD-202 Method 304 +25~125°C, 25°C is the reference temperature
Short Time Overload	±0.5%	JIS-C-5201-1 5.5 5*rated power for 5 seconds
±1%	MIL-STD-202 Method 108A 70±2°C, RCWV for 1000 hrs with 1.5 hrs “ON” and 0.5 hr “OFF”
Dry Heat	±1%	JIS-C-5201-1 7.2 at +170°C for 1000 hrs
Solderability	95% min. coverage	MIL-STD-202 Method 208H 245±5°C for 3 seconds
Resistance to Soldering Heat	±0.5%	MIL-STD-202 Method 210E 260±5°C for 10 seconds
Thermal Shock	±0.5%	MIL-STD-202 Method 107G -55°C ~ 150°C, 100 cycles

RCWV(Rated Continuous Working Voltage)= √(P*R) or Max. Operating Voltage whichever is lower.
☑ Storage Temperature: 15~28°C; Humidity < 80%RH

Refusion

☑ Green coating ”Reflow Air Convection ”is available
☑ Green coating can't be working with wave soldering bath

Mesures

1. LR12 4-wire precision measurement (Black Coating)
■ Equipment: ADEX AX-1152D DC Low Ohm Meter
■ Excitation Current: 3A (0.5mΩ~1.5 mΩ)
                      1A (2mΩ~10mΩ)

2. LR12 4-wire pad layout (recommended for precision current sensing)
■ Note: No circuits between pads to avoid short circuit

3. LR12 2-wire pad layout
■ Note: No circuits between pads to avoid short circuit

Emballage

Embossed Plastic Tape Specifications

Type	Resistance (mΩ)	A	B	W	E	F	P0	P1	P2	ΦD0	ΦD1	T	Quantity (EA)
LR06	0.5 - 10	1.90±0.1	3.60±0.1	8.0±0.2	1.75±0.1	3.5±0.05	4.0±0.1	4.0±0.1	2.0±0.05	1.55±0.05	1.0min.	0.87±0.1	2,000
LR10	0.5 - 10	2.85±0.1	5.55±0.1	12.0±0.2	1.75±0.1	5.5±0.05	4.0±0.1	4.0±0.1	2.0±0.05	1.55±0.05	1.4min.	0.85±0.1	2,000
LR12	0.50 - 0.75	3.40±0.1	6.75±0.1	12.0±0.1	1.75±0.1	5.5±0.05	4.0±0.1	4.0±0.1	2.0±0.05	1.55±0.05	1.4min.	1.45±0.2	2,000
	1 - 10											0.81±0.1

1. The cumulative tolerance of 10 sprockets hole pitch is ± 0.2mm.
2. Carrier camber shall be not more than 1mm per 100mm through a length of 250mm.
3. A & B measured 0.3mm from the bottom of the packet.
4. T measured at a point on the inside bottom of the packet to the top surface of the carrier.
5. Pocket position relative to sprocket hole is measured as the true position of the pocket and not the pocket hole.

Code

• R005

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• résistances métalliques