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Surface Mount ResistorsMetal Film Flat Chip Resistors[RN73]
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Construction Features Dimensions Type Designation Ratings Derating Curve
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Surface Mount Resistors/Metal Film Flat Chip Resistors RN73
Coating color : Black(1E), Green(1J, 2A, 2B, 2E)
  Construction
   
Surface Mount Resistors/Metal Film Flat Chip Resistors RN73 Construction
1. Protective coating
2. Resistive film
3. Inner electrode
4. Ni plating
5. Solder plating
6. Ceramic substrate
 
Features
 
• SMD metal film resistors.
• High precision type 0.05% is also available as standard.
• High performance T.C.R. 5×10-6/K is also available as standard.
• Low current noise.
• Suitable for control circuits in various industrial equipment.
• Suitable for both flow and reflow solderings.
However, 1E type is available only for reflow soldering.
• Products with lead free termination meet EU-RoHS requirements.
 
 
Dimensions
Type
(Inch Size Code)		 Dimensions (mm) Weight(g)
(1000pcs)
L W c d t
1E
(0402)
1.0 +0.1
-0.05
0.50.05 0.20.1
0.25 +0.05
-0.1
0.350.05 0.68
1J
(0603)		 1.60.2 0.80.1 0.30.1 0.30.1 0.450.1 2.14
2A
(0805)		 2.00.2 1.250.2 0.40.2
0.3 +0.2
-0.1
0.50.1 4.54
2B
(1206)		 3.20.2 1.60.2 0.50.3
0.4 +0.2
-0.1
0.60.1 9.14
2E
(1210)		 2.50.2 14.5
   
Type Designation
RN73   2B   T   TD   1002   B   25
             
Product
Code		   Power
Rating		   Terminal
Surface Material		   Taping   Nominal
Resistance		   Resistance
Tolerance		 T.C.R.
(×10-6/K)
    1E:0.063W
1J:0.063W
2A:0.1W
2B:0.125W
2E:0.25W		   T:Sn
(L:Sn/Pb)		  
 TP: 2mm pitch
punch paper
 TD: 4mm pitch
paper
TE: 4mm pitch
plastic
embossed
BK: Bulk
  4digits  
A:0.05%
B:0.1%
C:0.25%
D:0.5%
F:1%
   05
10
25
50
100
                   
                     
The terminal surface material lead free is standard.
Contact us when you have control request for environmental hazardous material other than the substance specified by EU-RoHS.
For further information on taping, please refer to Common Specification.
   
Ratings


Type
Power Rating
T.C.R.
(10-6/K) 		Resistance Range()E24E96E192
Max.Working Voltage
Max.Overload Voltage

A:0.05%
B:0.1%
C:0.25%
D:0.5%
F:1%
1E 0.063W 25 — 100 ~ 100k 100 ~ 100k 10 ~ 100k 10 ~ 100k 25V 50V
50 — 100 ~ 100k 100 ~ 100k 10 ~ 100k 10 ~ 100k
1J 0.063W 5 1~ 47k 100 ~ 47k — — — 50V 100V
10 1~ 47k 100 ~ 47k 100 ~ 47k 100 ~ 47k 100 ~ 47k
25 1~ 47k 15 ~ 360k 15 ~ 360k 10 ~ 360k 10 ~ 360k
50 — 15 ~ 360k 15 ~ 360k 10 ~ 360k 10 ~ 360k
100 — — — 10 ~ 360k 10 ~ 360k
2A 0.1W 5

100~ 100k

 100 ~ 100k — — — 100V 200V
10 100~ 100k 100 ~ 100k 100 ~ 100k 100 ~ 100k 100 ~ 100k
25 51~ 100k 15 ~ 1M 15 ~ 1M 10 ~ 1M 10 ~ 1M
50 — 15 ~ 1M 15 ~ 1M 10 ~ 1M 10 ~ 1M
100 — — — 10~ 1M 10~ 1M
2B 0.125W 5 100~ 300k 100 ~ 300k — — — 150V 300V
10 100~ 300k 100 ~ 300k 100 ~ 300k 100 ~ 300k 100 ~ 300k
25 51~ 300k 15 ~ 1M 15 ~ 1M 10 ~ 1M 10 ~ 1M
50 — 15 ~ 1M 15 ~ 1M 10 ~ 1M 10 ~ 1M
100 — — — 10~ 1M 10~ 1M
2E 0.25W 10 100~ 510k 100 ~ 510k 100 ~ 510k 100 ~ 510k 100 ~ 510k 200V 400V
25 51~ 510k 15 ~ 1M 15 ~ 1M 10 ~ 1M 10 ~ 1M
50 — 15 ~ 1M 15 ~ 1M 10 ~ 1M 10 ~ 1M
100 — — — 10~ 1M 10~ 1M
 
Rated Ambient Temperature :+70
Operating Temperature Range:-55 ~ +125
Rated voltage= √(Power Rating×Resistance value) or Max. working voltage, whichever is lower.

   
Derating Curve

Surface Mount Resistors/Metal Film Flat Chip Resistors RN73 Derating Curve
For resistors operated at an ambient temperature of 70 or above, a power
rating shall be derated in accordance with the left derating curve.
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