– Small transistor outline
– 1.0 X 0.5 X 0.5 mm
– Low profile / 0.50 mm package height
– Flat lead style for better RF performance
• HIGH GAIN BANDWIDTH PRODUCT:
f
T = 12 GHz
• LOW NOISE FIGURE:
NF = 1.5 dB at 2 GHz
DESCRIPTION
NEC's NE685M13 transistor is designed for low noise, high
gain, and low cost requirements. This high f
for low voltage/low current designs for portable wireless
communications and cellular radio applications. NEC's new
low profile/flat lead style "M13" package is ideal for today's
portable wireless applications. The NE685 is also available in
six different low cost plastic surface mount package styles.
T part is well suited
OUTLINE DIMENSIONS
PACKAGE OUTLINE M13
(Units in mm)
ELECTRICAL CHARACTERISTICS (TA = 25°C)
PART NUMBERNE685M13
EIAJ1 REGISTERED NUMBER2SC5617
PACKAGE OUTLINEM13
SYMBOLSPARAMETERS AND CONDITIONSUNITSMINTYPMAX
fTGain Bandwidth at VCE = 3 V, IC = 10 mA, f = 2 GHzGHz12.0
NFNoise Figure at VCE = 3 V, IC = 3 mA, f = 2 GHz, ZS = ZOPTdB1.52.5
2
|S21E|
2
hFE
ICBOCollector Cutoff Current at VCB = 5 V, IE = 0µA0.1
IEBOEmitter Cutoff Current at VEB = 1 V, IC = 0µA0.1
MAG = Maximum Available Gain
MSG = Maximum Stable Gain
When K ≤ 1, MAG is undefined and MSG values are used.
3-161
MSG =
|S
21|
, K =
|S
12|
2
1 + | ∆ | - |S
2 |S12 S21|
11| - |S22|
2
2
∆ = S
,
11 S22 - S21 S12
Page 8
NE685M13
NE685M13 NONLINEAR MODEL
BJT NONLINEAR MODEL PARAMETERS
ParametersQ1 ParametersQ1
IS7e-16MJC0.34
BF109XCJC0.7
NF1CJS0
VAF15VJS0.75
IKF0.19MJS0
ISE7.9e-13FC0.5
NE2.19TF2.5e-12
BR1 XTF5.2
NR1.08 VTF4.58
VAR12.4 ITF0.011
IKR0PTF0
ISC0 TR1e-9
NC 2EG1.11
RE1.3XTB0
RB10 XTI3
RBM8.34KF0
IRB0.009 AF1
RC10
CJE0.4e-12
VJE0.812
MJE0.5
CJC0.18e-12
VJC0.75
(1) Gummel-Poon Model
(1)
SCHEMATIC
CBPKG
C
C
CB
L
BX
L
B
Base
L
E
L
EX
Emitter
ADDITIONAL PARAMETERS
Parameters68533
CCB0.1e-12
CCE0.14e-12
LB0.35e-9
LE0.4e-9
CCBPKG0.05e-12
CCEPKG0.05e-12
LBX0.05e-9
LCX0.05e-9
LEX0.05e-9
Q1
L
CX
Collector
C
CE
C
CEPKG
UNITS
ParameterUnits
timeseconds (S)
capacitancefarads (F)
inductancehenries (H)
resistanceohms (Ω)
voltagevolts (V)
currentamps (A)
Life Support Applications
These NEC products are not intended for use in life support devices, appliances, or systems where the malfunction of these products can reasonably
be expected to result in personal injury. The customers of CEL using or selling these products for use in such applications do so at their own risk and
agree to fully indemnify CEL for all damages resulting from such improper use or sale.
EXCLUSIVE NORTH AMERICAN AGENT FOR NEC RF, MICROWAVE & OPTOELECTRONIC SEMICONDUCTORS
CALIFORNIA EASTERN LABORATORIES • Headquarters • 4590 Patrick Henry Drive • Santa Clara, CA 95054-1817 • (408) 988-3500 • Telex 34-6393 • FAX (408) 988-0279
DATA SUBJECT TO CHANGE WITHOUT NOTICE
MODEL RANGE
Frequency: 0.1 to 4.0 GHz
Bias:VCE = 0.5 V to 3 V, IC = 0.5 mA to 20 mA
Date:09/02
Internet: http://WWW.CEL.COM
03/18/2002
3-162
Page 9
4590 Patrick Henry Drive
(
Santa Clara, CA 95054-1817
Telephone: (408) 919-2500
Facsimile:
408) 988-0279
Subject: Compliance with EU Directives
CEL certifies, to its knowledge, that semiconductor and laser products detailed below are compliant
with the requirements of European Union (EU) Directive 2002/95/EC Restriction on Use of Hazardous
Substances in electrical and electronic equipment (RoHS) and the requirements of EU Directive
2003/11/EC Restriction on Penta and Octa BDE.
CEL Pb-free products have the same base part number with a suffix added. The suffix –A indicates
that the device is Pb-free. The –AZ suffix is used to designate devices containing Pb which are
exempted from the requirement of RoHS directive (*). In all cases the devices have Pb-free terminals.
All devices with these suffixes meet the requirements of the RoHS directive.
This status is based on CEL’s understanding of the EU Directives and knowledge of the materials that
go into its products as of the date of disclosure of this information.
Restricted Substance
per RoHS
Lead (Pb)< 1000 PPM
Concentration Limit per RoHS
(values are not yet fixed)
Concentration contained
in CEL devices
-A-AZ
Not Detected(*)
Mercury< 1000 PPM Not Detected
Cadmium< 100 PPM Not Detected
Hexavalent Chromium< 1000 PPM Not Detected
PBB< 1000 PPM Not Detected
PBDE< 1000 PPM Not Detected
If you should have any additional questions regarding our devices and compliance to environmental
standards, please do not hesitate to contact your local representative.
Important Information and Disclaimer: Information provided by CEL on its website or in other communications concerting the substance
content of its products represents knowledge and belief as of the date that it is provided. CEL bases its knowledge and belief on information
provided by third parties and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better
integrate information from third parties. CEL has taken and continues to take reasonable steps to provide representative and accurate
information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals. CEL and CEL
suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for
release.
In no event shall CEL’s liability arising out of such information exceed the total purchase price of the CEL part(s) at issue sold by CEL to
customer on an annual basis.
See CEL Terms and Conditions for additional clarification of warranties and liability.
3-163
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