■ Minimize space and routing problems,
and reduce manufacturing cost per
installed resistive function
■ Increase board yields and reliability by
reducing component count
Features
■ Optimize data transmission in ECL
systems through proper termination
between drivers and receivers
■ Minimize overshoot, undershoot, and
ringing while increasing noise immunity
For information on ECL Terminators,
download Bourns’ ECL Terminator
Application Note.
■ Provide decoupling capacitors
■ RoHS compliant*
800 Series - RC Networks ECL Terminator Circuits
General Description
Product Dimensions
Typical Part Marking
Digital systems incorporating Emitter
Coupled Logic (ECL) or other ultra-high
switching speed logic families will require
signal termination to prevent transmis-
sion line effects such as reflections and
ringing due to fast transition times.
801 AND 80±
MEDIUM PROFILE
Represents total content. Layout may vary.
6.35
(.250)
MAX.
A
MAXIMUM
CIRCUIT
PART NUMBER
4608M-801
RESISTANCE
CODE
500/103
YYWW
PIN #1
REF.
Bourns 800 series resistor capacitor net-
works are ideal for termination of high
speed transmission lines. Each network
is composed of resistors for parallel
termination and bypass capacitor(s) for
cross talk noise reduction.
DATE CODE
PIN ONE
INDICATOR
MAX. 1.24
BOTH ENDS (.049)
MANUFACTURER'S
TRADEMARK
3.43 + .38/ - .25
(.135 + .015/ - .010)
.508 ± .050
(.020 ± .002)
TYP.
2.54 ± .07
803 AND 805
Represents total content. Layout may vary.
(.100 ± .003*)
TYP.
The 5 conformal coated SIP circuit varia-
tions offered are as follows.
NON-ACCUM.
3.81
(.150)
MAX.
CIRCUIT
PART NUMBER
4610H-805
RESISTANCE
CODE
500/103
YYWW
Electrical Characteristics
DATE CODE
PIN ONE
INDICATOR
Resistance Tolerance......................±5 ꢀ
Resistance Power.......................0.1 watt
Capacitance Tolerance .................±±0 ꢀ
Capacitor Dielectric Type..................X7R
Capacitance Voltage Rating .......50 Volts
.254 ± .050
(.010 ± .002)
TYP.
MANUFACTURER'S
TRADEMARK
HIGH PROFILE
804
Physical Characteristics
8.89
(.350)
MAX.
A
Represents total content. Layout may vary.
MAXIMUM
Flammability .........Conforms to UL94V-0
Leadframe ...................Copper (Olin 194)
Body Material...............Epoxy/Anhydride
(Conformal Material)
Custom Resistance Range
...........................10 ohms to 50K ohms
Custom Capacitance Range
CIRCUIT
PART NUMBER
4612M-804
500
YYWW
RESISTANCE
CODE
PIN #1
REF.
DATE CODE
PIN ONE
INDICATOR
MAX. 1.24
BOTH ENDS (.049)
3.43 + .38/ - .25
(.135 + .015/ - .010)
MANUFACTURER'S
TRADEMARK
.508 ± .050
................................39pF to 100,000pF
TYP.
(.020 ± .002)
2.54 ± .07
NPO and Z5U dielectrics available on a
custom basis.
(.100 ± .003*)
TYP.
NON-ACCUM.
2.49
(.098)
MAX.
For Standard Values Used in Capacitors,
Inductors, and Resistors, click here.
.254 ± .050
(.010 ± .002)
TYP.
Governing dimensions are metric. Dimensions in parentheses
are inches and are approximate.
*Terminal centerline to centerline measurements made at point of
emergence of the lead from the body.
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
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