CH
Vishay Sfernice
50 GHz Thin Film Microwave Resistors
FEATURES
•
SMD wraparound or flip chip resistor
•
Small size, down to 20 by 16 mils
•
Edged trimmed block resistors
•
Pure alumina substrate (99.5 %)
•
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
•
Design kits available
•
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
•
Compliant to RoHS directive 2002/95/EC
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 50 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]
A
MAX. TOL.
+ 0.1 [+ 0.004]
MIN. TOL.
- 0.1 [- 0.004]
0.50 [0.020]
1.00 [0.040]
1.27 [0.050]
1.52 [0.060]
1.91 [0.075]
2.54 [0.100]
3.06 [0.120]
B
MAX. TOL.
+ 0.1 [+ 0.004]
MIN. TOL.
- 0.1 [- 0.004]
0.39 [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]
0.42 [0.02]
(1)
0.5 [0.02]
0.5 [0.02]
0.5 [0.02]
0.25 [0.010]
D/E
MIN.
MAX.
POWER
RATING
Pn
mW
LIMITING
ELEMENT
VOLTAGE
V
02016 preferred
0402 preferred
0505
0603 preferred
0705/0805
1005
1206
Note
(1)
+ or - 0.07 mm
0.1 [0.004]
0.15 [0.006]
0.2 [0.008]
0.35 [0.014]
30
50
125
125
30
37
50
50
50
75
75
0.51 [0.020]
200
250
0.5 [0.02]
0.5 [0.02]
0.5 [0.02]
0.27 [0.011]
0.53 [0.021]
330
** Please see document “Vishay Green and Halogen-Free Definitions (5-2008)”:
www.vishay.com/doc?99902
www.vishay.com
46
For technical questions, contact:
sfer@vishay.com
Document Number: 53014
Revision: 18-Jun-09
CH
50 GHz Thin Film Microwave Resistors
Vishay Sfernice
LAND PATTERN FLIP CHIP TERMINATIONS
in millimeters
G
X
Z
CHIP SIZE
02016
0402
0505
0603
0705/0805
1005
1206
Note
• Suggested land pattern: According to IPC-7351
Z
0.3
0.5
0.6
0.6
0.7
0.7
0.9
X
0.5
0.650
1.320
0.9
1.3
1.3
1.7
G
0.2
0.4
0.510
0.760
1.14
1.780
2.1
WRAPAROUND TERMINATIONS
in millimeters
G
min.
Z
max.
CHIP SIZE
0402
0505
0603
0705/0805
1005
1206
Z
max.
1.55
1.82
2.37
2.76
3.39
3.91
G
min.
0.15
0.10
0.35
0.74
1.37
1.85
X
m
ax
.
X
max.
0.73
1.40
0.98
1.40
1.40
1.73
TOLERANCE VS. 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)
1 %, 2 %, 5 %, 10 %
Note
(1)
Best tolerance for 100
Ω
to 500
Ω
in 02016 is 2 %
Document Number: 53014
Revision: 18-Jun-09
For technical questions, contact:
sfer@vishay.com
www.vishay.com
47
CH
Vishay Sfernice
50 GHz Thin Film Microwave Resistors
PREFERRED MODELS AND VALUES
Vishay/Sfernice highly recommend to use the smallest sizes and flip chip version to get the best performances.
Recommended sizes:
CH02016/CH0402/CH0603
Recommended terminations:
F
Recommended Values:
10R/18R/25R/50R/75R/100R/150R/180R/200R/250R/330R/500R
Those values are available with a MOQ of 100 pieces.
Other values can be ordered upon request, but higher MOQ will apply: 1000 pieces for CH02016, 500 pieces for CH0402,
250 pieces for CH0505/CH0603/CH0705/CH0805/CH1005 and 100 pieces for CH1206.
Design kits are available Ex Stock in CH02016 and CH0402 sizes. There are 20 pieces per recommended value. F termination.
5 % tolerance.
Those kits are packaged in pieces of tape and delivered in ESD bags.
PACKAGING
Standard packaging is waffle pack for sizes as of 0402 and paper tape for size 02016.
Plastic tape and reel is available for other sizes (low conductivity) or paper tape under request.
GLOBAL PART NUMBER INFORMATION
New Global Part Numbering: CH0402-50RJF (preferred part number format)
C
GLOBAL MODEL
CH
H
0
SIZE
02016
0402
0505
0603
0805
1005
1206
4
0
OHMIC VALUE
10R to 500R
2
-
5
0
R
J
F
T
PACKAGING
(2)
T
= Tape and reel
PT
= Paper tape
Leave blank
for waffle pack
TOLERANCE
F
=1%
G
=2%
J
=5%
K
= 10 %
TERMINATION
(1)
F
(Flip Chip):
SnAg over nickel barrier
N
(W/A):
SnAg over nickel barrier
(except 02016)
P
(one face):
(3)
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
Global Part Number Ordering design kits:
CHKIT-02016
CHKIT-0402
Notes
(1)
02016 Not available with N termination
(2)
02016 Paper tape only available
(3)
Gold termination for application in hermetic package
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48
For technical questions, contact:
sfer@vishay.com
Document Number: 53014
Revision: 18-Jun-09
CH
50 GHz Thin Film Microwave Resistors
Vishay Sfernice
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:
Z=R
1 + j X
L
/R
1 + j R/X
C
with
X
L
= 2πfL: Reactance of the
internal inductance
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.
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
).
Note
θ
= Arc tg
X
L
(X
C
+ X
L
) + R
2
with
Xc = I/2πfC: Reactance of the
R X
C
internal capacitance
2
1/2
[Z] = R
1 + (X
L
/R)
1 + (R/X
C
)
2
f = Frequency
•
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.
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)
Document Number: 53014
Revision: 18-Jun-09
For technical questions, contact:
sfer@vishay.com
www.vishay.com
49
CH
Vishay Sfernice
50 GHz Thin Film Microwave Resistors
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)
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)
www.vishay.com
50
For technical questions, contact:
sfer@vishay.com
Document Number: 53014
Revision: 18-Jun-09
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