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Surface Mount ResistorsMetal Film Flat Chip Resistors[RN73]
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Construction Features Dimensions Type Designation Ratings Derating Curve
One-Pulse Limiting Electric Power  
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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.
• RN73S: Products with improved moisture resistance.
• High precision type 0.05% is available with standard products.
• High performance T.C.R. 5×10-6/K is available.
• 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. 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)
  RN73
RN73S*1 		  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
                   
                     
*1 RN73S is available in size 1J, 2A, 2B and 2E. Please consult with us for resistance range.
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 Packagings For Chip Components.
   
Ratings


Type
Power Rating
T.C.R.
(10-6/K) 		Resistance Range()E24E96E192 *2
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.
*2 E192 series are available on request, so please consult with us.

   
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.
   
One-Pulse Limiting Electric Power

 
Surface Mount Resistors/Metal Film Flat Chip Resistors RN73 One-Pulse Limiting Electric Power
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