Nichrome Resistor Networks
on Ceramic Substrates
Models 664, 667, 668
• Isolated and bussed circuits
• Thin film resistor network
• 0.150” SOIC packages
• RoHS compliant
Features
Passivation coating provides protection in humid environments
Precision Nichrome Resistors on Ceramic
Precision Nichrome Resistors on Ceramic
Passivation coating provides protection in humid environments
Excellent frequency response
Excellent term resistance stability
Excellent long frequency response
Excellent long term resistance stability
JEDEC 95, MS-012
(SOIC narrow body in 8, 14 and 16 lead pin counts)
JEDEC 95, MS-012
Industry Standard Packaging
Industry Standard Packaging
(SOIC narrow body in 8, 14 and 16 lead pin ± 0.05%
< counts)
Ratio Tolerances
TCR Tracking Tolerances
Ratio Tolerances
< < ± 0.05%
± 5 ppm/°C
TCR Tracking Tolerances
< ± 5 ppm/°
C
Schematics
Electrical1
2
Standard Resistance Range
Standard Resistance Range2
TCR
TCR
TCR Tracking
TCRTracking
Operating Temperature Range
Operating Temperature Range
Interlead Capacitance
Interlead Capacitance
Insulation Resistance
InsulationOperating Voltage
Maximum Resistance
Maximum Operating Voltage
Noise, Maximum (MIL-STD-202, Method 308)
Resistor Power Rating at 70°C
Noise, Maximum (MIL-STD-202, Method 308)
C
1Resistor Power Rating at 70°
Specifications subject to change without notice.
2 E96 codes available.
1K ohms 1K ohms to ohms (Isolated)
to 100K 100K ohms (Isolated)
1K ohms1K ohms to 20K ohms (Bussed)
to 20K ohms (Bussed)
± ppm/°
± 25 25 ppm/°C
C
5 ppm/°C
± 5±ppm/°
C
-55°C to +125°C
-55°C to +125°C
< 2pF
< 2pF
≥ 10,000 Megohms
10,000Vdc or √ PR
100 Megohms
100 Vdc or -40 dB
PR
0.1 Watts
-40 dB
0.1 Watts
General Note
TT electronics reserves the right to make changes in product specification without notice or liability.
All information is subject to TT electronics’ own data and is considered accurate at time of going to print.
1
Specifications subject to change without notice.
2
© TT electronics plc
E96 codes available.
BI Technologies Corporation
www.bitechnologies.com www.irctt.com www.welwyn-tt.com
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