BB174 Datasheet PDF - NXP

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BB174
NXP

Part Number BB174
Description VHF variable capacitance diode
Page 8 Pages


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BB174
VHF variable capacitance diode
Rev. 1 — 25 March 2013
Product data sheet
1. Product profile
1.1 General description
The BB174 is a variable capacitance diode, fabricated in planar technology, and
encapsulated in the SOD523 (SC-79) ultra small SMD plastic package.
1.2 Features and benefits
Excellent linearity
Ultra small SMD plastic package
Cd(28V) = 2.1 pF; Cd(1V) to Cd(28V) ratio = 9
Low series resistance
1.3 Applications
Voltage Controlled Oscillators (VCO)
2. Pinning information
Table 1.
Pin
1
2
Pinning
Description
cathode
anode
[1] The marking bar indicates the cathode.
3. Ordering information
Simplified outline
[1]
12
Symbol
sym008
Table 2. Ordering information
Type number
Package
Name
Description
BB174
SC-79
plastic surface-mounted package; 2 leads
Version
SOD523



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BB174
VHF variable capacitance diode
4. Marking
Table 3. Marking
Type number
BB174
Marking code
CF
5. Limiting values
Table 4. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol Parameter
Conditions
VR reverse voltage
peak value in series with a 10 kresistor
IF forward current
Tstg storage temperature
Tj junction temperature
Min Max Unit
- 30 V
- 35 V
- 20 mA
55 +150 C
55 +125 C
6. Characteristics
Table 5. Characteristics
Tj = 25 C unless otherwise specified.
Symbol
Parameter
Conditions
IR
rs
Cd
Cd(1V)/Cd(2V)
reverse current
diode series resistance
diode capacitance
VR = 30 V
VR = 30 V; Tj = 85 C
f = 470 MHz; Cd = 9 pF
f = 1 MHz
diode capacitance ratio
(1 V to 2 V)
VR = 1 V
VR = 28 V
f = 1 MHz
Cd(1V)/Cd(28V) diode capacitance ratio f = 1 MHz
(1 V to 28 V)
Cd(25V)/Cd(28V) diode capacitance ratio f = 1 MHz
(25 V to 28 V)
[1] See Figure 2.
[2] See Figure 1 and Figure 3.
Min
[1] -
[1] -
-
[2]
Typ Max
- 10
- 200
0.6 0.75
Unit
nA
nA
18.22 - 21.26 pF
1.951 2.1 2.225 pF
- 1.27 -
8.45 9 10.9
- 1.05 -
BB174
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 1 — 25 March 2013
© NXP B.V. 2013. All rights reserved.
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NXP Semiconductors
BB174
VHF variable capacitance diode
24
Cd
(pF)
20
16
12
8
4
0
101
1
10
f = 1 MHz; Tj = 25 C.
Fig 1. Diode capacitance as a function of reverse voltage; typical values.
103
IR
(nA)
102
001aae541
102
TCCd
(K1)
103
mbk440
VR (V)
102
001aag774
10 104
1
0 20 40 60 80 100
Tj (°C)
Fig 2. Reverse current as a function of junction
temperature; maximum values.
105
101
1
10 102
VR (V)
Fig 3.
Tj = 0 C to 85 C.
Diode capacitance temperature coefficient as a
function of reverse voltage; typical values.
BB174
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 1 — 25 March 2013
© NXP B.V. 2013. All rights reserved.
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NXP Semiconductors
7. Package outline
Plastic surface-mounted package; 2 leads
BB174
VHF variable capacitance diode
SOD523
A
c
HE
vM A
E bp
1
D
(1)
OUTLINE
VERSION
SOD523
IEC
A
2
REFERENCES
JEDEC
JEITA
SC-79
0 0.5 1 mm
scale
DIMENSIONS (mm are the original dimensions)
UNIT A bp c D E
mm
0.65 0.34 0.17
0.58 0.26 0.11
1.25 0.85
1.15 0.75
Note
1. The marking bar indicates the cathode.
HE
1.65
1.55
v
0.1
EUROPEAN
PROJECTION
ISSUE DATE
02-12-13
06-03-16
Fig 4. Package outline SOD523 (SC-79)
BB174
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 1 — 25 March 2013
© NXP B.V. 2013. All rights reserved.
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