T
HIN
F
ILM
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ESISTORS
61 Series 0.030”x0.030”
Satcon Electronics 61 series .030 x .030 Thin-film Resistor Chips are available in a wide range of resistances and
tolerances. Values are available from 1.25 ohms to 1 megohm. Center-tapped resistors are standard for values up to
500K. Applications include military and industrial hybrids, and medical, aerospace and communications equipment.
61 series resistor chips are available with either passivated nichrome or tantalum-nitride resistor metalization. Nichrome
provides excellent stability and temperature coefficient in hermetic applications while tantalum-nitride provides superior
moisture-resistance for non-hermetic applications.
Electrical Specifications
Parameter
Power Rating
Life
Noise
High Temp Exposure
TCR (61AC, 61AL)
TCR (61ACT)
Operating voltage
Moisture resistance
Thermal shock
Limit
200 mW
+/-0.2% max
-35 dB typ
+/-0.2% max
+/-50 ppm/C
-50 to -120 ppm/C
100 VDC max
+/-0.5% max
+/-0.5% max
Test Conditions
(derated at 70 deg. to 0 mW @ 150 deg.)
1000 hours @ 125 degrees C
MIL-STD-202 method 308
100 hours at 150 degrees C
-55 to 125 degrees C
-55 to 125 degrees C
MIL-STD-202 method 106
MIL-STD-202 method 107
Typical Configurations
Mechanical Specifications
Substrate
Bond pad metalization
Size
Thickness
Bond pad dimensions
Protective overcoat (passivation)
Back side
Silicon with 1 micron thermal oxide
Gold, 100 microinches
.031 x .031 +/-.002 (0.78 x 0.78 mm +/- .05mm)
0.013 +/-.003 (0.33 +/-0.07 mm)
0.004 x .004 minimum (0.1 x 0.1 mm)
0.6 microns SiO2 (61AC&61AL versions only)
Lapped silicon
SatCon Electronics Inc.
Tel: 508-485-6350 Fax : 508-485-5168
165 Cedar Hill Street, Marlborough, Ma 01752
www.satconelectronics.com
T
HIN
F
ILM
C
HIP
R
ESISTORS
61 Series 0.030”x0.030”
All parts are 100% electrically tested, sample tested per MIL-STD-38534 section 3.4, and
visually inspected to MIL-STD-883 requirements. Chips are supplied in standard 2"x 2"
matrix tray packaging.
Ordering Information
Base Part Code
Value (3 digits plus exponent)
T
olerance Letter
X
B=0.1%
C=0.25%
D=0.5%
F=1%
G=2%
J=5%
K=10%
M=20%
61xxx-
61AC(Nichrome center-tapped)
61AL(Nichrome, no center-tap,
values above 500K only)
61ACT(Tantalum-nitride center-
tapped)
NNNE
(Under 100 ohms, an R indicates the
decimal point location)
Ordering examples:
61AC-5002K is a 50 kilohm 10% center-tapped resistor with nichrome metalization.
61AL-1004J is a 1 megohm 5% resistor with nichrome metalization.
61ACT-50R1F is a 50.1 ohm 1% center-tapped resistor with tantalum-nitride metalization
Availability and Limitations:
61AC series is available from 2.5 ohms to 600 kohms
61AL series is available from 250 kohms to 1 megohm
61ACT series is available from 1.25 ohms to 300 kohms
B tolerance is available above 250 ohms
C tolerance is available above 100 ohms
D tolerance is available above 50 ohms
F tolerance is available above 25 ohms
G tolerance is available above 12 ohms
J tolerance is available above 5 ohms
SatCon Electronics also manufactures Custom Substrates on a
variety of materials, a wide range of Microwave, PIN Diode Drivers,
and Custom Hybrid Circuits. Please contact the factory or your local
SatCon Electronics representative for more information.
(Specifications subject to change without notice)
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