CH
Vishay Sfernice
Thin Film Microwave Resistors
FEATURES
•
Small size, down to 20 by 16 mils
•
Edged trimmed block resistors
•
Pure alumina substrate (99.5 %)
RoHS
COMPLIANT
•
Various terminations:
• Pre-tinned over nickel barrier (wraparound or flip chip)
for solder reflow
• Gold pad for wire (or ribbon) bonding (one face only)
•
Ohmic range: 10R to 500R
•
Small internal reactance (LC down to 1 × 10
-24
)
•
Tolerance 1 %, 2 %, 5 %, 10 %
•
TCR: 100 ppm/°C in (- 55 °C, + 155 °C) temperature range
Those miniaturized components are designed in such a way that their internal reactance is very small. When correctly mounted
and utilized, they function as almost pure resistors on a very large range of frequency, up to 20 GHz.
DIMENSIONS
in millimeters [inches]
A
D
D
C
D
A
D
C
E
E
B
(F) and (P)
(N)
DIMENSIONS
CASE SIZE
MAX. TOL.
+ 0.1 [+ 0.004]
MIN. TOL.
- 0.1 [- 0.004]
02016
0402
0505
0603
0705/0805
1005
1206
A
MAX. TOL.
+ 0.1 [+ 0.004]
MIN. TOL.
- 0.1 [- 0.004]
0.5 [0.020]
1.00 [0.040]
1.27 [0.050]
1.52 [0.060]
1.91 [0.075]
2.54 [0.100]
3.00 [0.126]
B
MAX. TOL.
+ 0.1 [+ 0.004]
MIN. TOL.
- 0.1 [- 0.004]
0.4 (0.016)
0.6 (0.023)
1.27 (0.050)
0.75 (0.030)
1.27 (0.050)
1.27 (0.050)
1.60 (0.063)
C
MAX. TOL.
+ 0.127 [+ 0.005]
MIN. TOL.
- 0.127 [- 0.005]
0.5 (0.02)
0.5 (0.02)
0.5 (0.02)
0.5 (0.02)
0.5 (0.02)
0.5 (0.02)
0.5 (0.02)
D/E
MAX. TOL.
+ 0.13 [+ 0.005]
MIN. TOL.
- 0.13 [- 0.005]
0.15 [0.006]
0.38 [0.015]
0.38 [0.015]
0.38 [0.015]
0.38 [0.015]
0.38 [0.015]
0.38 [0.015]
POWER
RATING
Pn
mW
30
50
125
125
200
250
330
LIMITING
ELEMENT
VOLTAGE
V
30
37
50
50
50
75
75
TOLERANCE VERSUS OHMIC VALUES
OHMIC RANGE
TOLERANCE
10
Ω ≤
R < 50
Ω
5 %, 10 %
50
Ω ≤
R < 100
Ω
2 %, 5 %, 10 %
100
Ω ≤
R
≤
500
Ω
1 %, 2 %, 5 %, 10 %
www.vishay.com
46
For technical questions, contact: sfer@vishay.com
Document Number: 53014
Revision: 05-Nov-07
CH
Thin Film Microwave Resistors
Vishay Sfernice
GLOBAL PART NUMBER INFORMATION
New Global Part Numbering: CH0402-50RJP
(1)
(preferred part number format)
C
GLOBAL MODEL
CH
H
0
SIZE
02016
0402
0505
0603
0805
1005
1206
4
0
2
-
5
0
R
J
P
OHMIC VALUE
10R to 500R
TOLERANCE
F
=1%
G
=2%
J
=5%
K
= 10 %
TERMINATION
F
(Flip Chip): SnAg over nickel
barrier
N
(W/A): SnAg over nickel
barrier
(except 02016)
P
(one face): Gold Bonding Pads
Historical Part Number example: CH 0402 50R 5 % P e2 (will continue to be accepted)
CH
HISTORICAL
MODEL
0402
SIZE
50R
OHMIC VALUE
5%
TOLERANCE
P
TERMINATION
e2
LEAD (Pb)-FREE
VERSION
e2: tin/silver
e4: gold
Note:
(1)
02016 Not available with N termination - Tape option: Except P termination
TYPICAL HIGH FREQUENCY PERFORMANCE ELECTRICAL MODEL
C
Lc
R
L
Lc
Cg
Cg
C:
Internal shunt capacitance
L:
Internal inductance
R:
Resistance
Lc:
External connection inductance
Cg:
External capacitance to ground
The complex impedance of the chip resistor is given by the
following equations:
1 + j X
L
/R
1 + j R/X
C
This can be seen on the graphs relevant to 02016 (R = 100
Ω,
LC = 1 x 10
-24
), 0402 (R = 129
Ω,
LC = 15 x 10
-24
) and 1206
(R = 200
Ω,
LC = 100 x 10
-24
).
Z=R
with
X
L
= 2πfL: Reactance of the
internal inductance
X
L
(X
C
+ X
L
) + R
2
with
Xc= I/2πfC: Reactance of the
θ
= Arc tg
R X
C
internal capacitance
[Z] = R
1 + (X
L
/R)
2
1 + (R/X
C
)
2
1/2
Note:
The external reactance (Lc and Cg) depends on the PCB material,
the layout and assembly technology. It does affect the HF
performance and needs to be estimated. The external reactance can
be utilized to compensate the internal one.
f = frequency
The resistor is purely resistive when R = (L/C)
1/2
= Z
o
. The
smaller the LC product the greater the frequency range over
which the resistor looks approximately resistive.
Document Number: 53014
Revision: 05-Nov-07
For technical questions, contact: sfer@vishay.com
www.vishay.com
47
CH
Vishay Sfernice
Thin Film Microwave Resistors
INTERNAL IMPEDANCE CURVE FOR 02016 SIZE
2.0
1.8
1.6
1.4
1.2
50
Ω
75
Ω
100
Ω
150
Ω
200
Ω
250
Ω
500
Ω
1000
Ω
0.2
0
0.1
10
Ω
C = 0.01 pF
L = 0.1 nH
25
Ω
IZI/R
1.0
0.8
0.6
0.4
1
10
100
f (GHz)
Impedance as a function of frequency for a chip resistor (F and P terminations)
INTERNAL IMPEDANCE CURVE FOR 0402 SIZE
2.0
1.8
1.6
1.4
1.2
100
Ω
10
Ω
C = 0.03 pF
L = 0.5 nH
25
Ω
50
Ω
75
Ω
IZI/R
1.0
0.8
0.6
0.4
0.2
0
0.1
129
Ω
150
Ω
200
Ω
250
Ω
500
Ω
1000
Ω
1
10
100
f (GHz)
Impedance as a function of frequency for a chip resistor
N
termination (wraparound)
www.vishay.com
48
For technical questions, contact: sfer@vishay.com
Document Number: 53014
Revision: 05-Nov-07
CH
Thin Film Microwave Resistors
Vishay Sfernice
2.0
1.8
1.6
1.4
1.2
75
Ω
100
Ω
129
Ω
150
Ω
200
Ω
250
Ω
500
Ω
1000
Ω
0.2
0
0.1
10
Ω
C = 0.01 pF
L = 0.2 nH
50
Ω
25
Ω
IZI/R
1.0
0.8
0.6
0.4
1
10
100
f (GHz)
Impedance as a function of frequency for a chip resistor (F and P terminations)
INTERNAL IMPEDANCE CURVE FOR 0603/0505 SIZE
2.0
1.8
1.6
1.4
1.2
75
Ω
89
Ω
100
Ω
10
Ω
C = 0.05 pF
L = 0.4 nH
25
Ω
50
Ω
IZI/R
1.0
0.8
0.6
150
Ω
0.4
0.2
0
0.1
200
Ω
250
Ω
500
Ω
1000
Ω
1
10
100
f (GHz)
Impedance as a function of frequency for a chip resistor
N
termination (wraparound)
Document Number: 53014
Revision: 05-Nov-07
For technical questions, contact: sfer@vishay.com
www.vishay.com
49
CH
Vishay Sfernice
Thin Film Microwave Resistors
2.0
1.8
1.6
1.4
100
Ω
1.2
1.0
0.8
0.6
0.4
1000
Ω
0.2
0
0.1
150
Ω
173
Ω
200
Ω
250
Ω
10
Ω
C = 0.01 pF
L = 0.3 nH
75
Ω
25
Ω
50
Ω
IZI/R
500
Ω
1
10
100
f (GHz)
Impedance as a function of frequency for a chip resistor (F and P terminations)
INTERNAL IMPEDANCE CURVE FOR 0805 SIZE
2.0
1.8
1.6
1.4
1.2
10
Ω
C = 0.05 pF
L = 1 nH
25
Ω
50
Ω
75
Ω
100
Ω
IZI/R
1.0
0.8
0.6
0.4
0.2
0
0.1
141
Ω
150
Ω
200
Ω
250
Ω
500
Ω
1000
Ω
1
10
100
f (GHz)
Impedance as a function of frequency for a chip resistor
N
termination (wraparound)
www.vishay.com
50
For technical questions, contact: sfer@vishay.com
Document Number: 53014
Revision: 05-Nov-07
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