SMD High Power Precision Resistors
Type RP73 Series
Power Derating Curve
100
80
Rated Load (%)
60
40
20
0
-55
-40
-20
0
20
40
60 70 80
100
120
140 155
Ambient Temperature (°C)
For resistors operated in ambient temperatures above 70°C, power rating must be derated in accordance with this curve.
Dimensions
D
L
W
t
C
1. Alumina Substrate
2. Bottom Electrode (Ag)
3. Top Electrode (Ag-Pd)
4. Edge Electrode (NiCr)
5. Barrier Layer (Ni)
6. External Electrode (Sn)
7. Resistor Layer (NiCr)
8. Overcoat (Epoxy)
9. Marking
Part Number
RP73 1E (0402)
RP73(P) 1J (0603)
RP73(P) 2A (0805)
RP73 2B (1206)
RP73 2E (1210)
RP73 2H (2010)
RP73 3A (2512)
L
1.00 ±0.05
1.55 ±0.10
2.00 ±0.15
3.05 ±0.15
3.10 ±0.15
4.90 ±0.15
6.30 ±0.15
W
0.50 ±0.05
0.80 ±0.10
1.25 ±0.15
1.55 ±0.15
2.40 ±0.15
2.40 ±0.15
3.10 ±0.15
t
0.30 ±0.05
0.45 ±0.10
0.55 ±0.10
0.55 ±0.10
0.55 ±0.10
0.55 ±0.10
0.55 ±0.10
D
0.20 ±0.10
0.30 ±0.20
0.30 ±0.20
0.42 ±0.20
0.40 ±0.20
0.60 ±0.30
0.60 ±0.30
C
0.20 ±0.10
0.30 ±0.20
0.40 ±0.25
0.35 ±0.25
0.55 ±0.25
0.50 ±0.25
0.50 ±0.25
Weight (g) 1000 pieces
0.54
1.83
4.71
9.02
10.00
23.61
38.08
Marking Codes - Case Sizes 0805 to 2512
IEC 4 Digit Marking
Resistance:
Marking Code:
100Ω
1000
2.2KΩ
2201
10KΩ
1002
49.9KΩ
4992
100KΩ
1003
Case Sizes 0603
E24 3 Digit Marking - Example: 101=100Ω 102=1KΩ
E24
10
33
11
36
12
39
13
43
15
47
16
51
18
56
20
62
22
68
24
75
27
82
30
91
E96 3 Digit Marking - Examples: 14C=13K7Ω, 13C=13K3Ω, 68B=4K99Ω, 68X=49.9Ω
14C
1773272 CIS WR 04/2012
Dimensions are in millimeters
and inches unless otherwise
specified. Values in brackets
are standard equivalents.
Dimensions are shown for
reference purposes only.
Specifications subject
to change.
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MACOM [ Tyco Electronics ]
