Nichrome Resistor Networks
on Ceramic Substrates
Models 664, 667, 668
•
Isolated and bussed circuits
•
Thin film resistor network
•
0.150” SOIC packages
•
RoHS compliant
Not Recommended for New Designs
For alternative see http://www.irctt.com/file.aspx?product_id=215&file_type=datasheet
Features
Passivation coating provides protection in humid environments
Excellent frequency response
Excellent
term resistance stability
Excellent long
frequency response
Excellent long term resistance stability
Passivation coating provides protection in humid environments
Precision Nichrome Resistors on Ceramic
Precision Nichrome Resistors on Ceramic
Industry Standard Packaging
Ratio Tolerances
TCR Tracking Tolerances
Ratio Tolerances
Industry Standard Packaging
JEDEC 95, MS-012
(SOIC narrow body in 8, 14 and 16 lead pin counts)
JEDEC 95, MS-012
<
< ± 0.05%
± 5 ppm/°C
(SOIC narrow body in 8, 14 and 16 lead pin
± 0.05%
<
counts)
Schematics
TCR Tracking Tolerances
< ± 5 ppm/°
C
Electrical
1
Standard Resistance Range
Standard Resistance Range
2
TCR
TCR
TCR
Tracking
TCR
Tracking
Operating Temperature Range
Interlead Capacitance
Insulation Resistance
2
1K ohms
1K ohms to
ohms (Isolated)
to 100K
100K ohms (Isolated)
1K ohms
1K 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
< 2pF
Operating Temperature Range
Interlead Capacitance
Insulation
Operating 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)
-55°C to +125°C
< 2pF
≥
10,000 Megohms
10,000
Vdc or
√
PR
100
Megohms
100 Vdc or
-40 dB
PR
0.1 Watts
-40 dB
C
1
Resistor Power Rating at 70°
Specifications subject to change without notice.
2 E96 codes available.
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
0.1 Watts
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
10.13
Nichrome Resistor Networks
on Ceramic Substrates
Models 664, 667, 668
Package Power And Derating Curve
Model
664
3
Package Power @ 70°C(watts)
3
0.4
0.5
0.5
667
668
tts)
Environmental (Mil-R-83401)
Thermal Shock plus Power Conditioning
Short Time Overload
Terminal Strength
Moisture Resistance
Mechanical Shock
Vibration
Low Temperature Operation
High Temperature Exposure
Load Life, 1,000 Hours
Resistance to Solder Heat
Dielectric Withstanding Voltage
Temperature Exposure, Maximum
Marking Permanency
Lead Solderability
Flammability
Storage Temperature Range
∆R
0.25%
∆R
0.1%
∆R
0.1%
∆R
0.2%
ΔR
0.25%
ΔR
0.1%
ΔR
0.1%
ΔR
0.2%
ΔR
0.25%
ΔR
0.25%
ΔR
0.1%
ΔR
0.1%
ΔR
0.1%
ΔR
0.1%
100V for 1 minute
215°C for 3 minutes
MIL-STD-202, Method 215
MIL-STD-202, Method 208
UL-94V-0 Rated
-65°C to +125°C
∆R
0.25%
∆R
0.25%
∆R
0.1%
∆R
0.1%
∆R
0.1%
∆R
0.1%
100V for 1 minute
215°C for 3 minutes
MIL-STD-202, Method 215
MIL-STD-202, Method 208
UL-94V-0 Rated
-65°C to +125°C
Mechanical
Lead Plating
Lead Material
Lead Configuration
Lead Coplanarity
Substrate Material
Resistor Material
Body Material
100 matte Tin (RoHS)
Copper Alloy
Gull Wing
0.004” (0.102 mm)
Alumina
Passivated Nichrome
Molded Epoxy
3
Maximum power per resistor @ 70°C is 100 mW, not to exceed package power
General Note
80/20 Tin Lead (Standard)
100 matte Tin (RoHS)
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.
Copper Alloy
Gull Wing
www.bitechnologies.com www.irctt.com www.welwyn-tt.com
© TT electronics plc
10.13
0.004” (0.102 mm)
Nichrome Resistor Networks
on Ceramic Substrates
Models 664, 667, 668
Ordering Information
4
Model Series:
66 = Passivated Nichrome
on Ceramic
Number of Leads:
4= 8 leads
7=14 leads
8=16 leads
Circuit Type:
A=Isolated
B=Bussed
66 4 -A- 1002 A LF 7
66 4 -A-1002 A LF 7
Packaging Option:
7=7” Tape & Reel
13 = 13” Tape & Reel
(No Code used for Tubes)
Lead Finish:
LF=Lead Free (RoHS)
Tolerance Code
Resistance Code
Model Series:
66 = Passivated Nichrome
on Ceramic
Number of Leads:
4= 8 leads
7=14 leads
8=16 leads
Circuit Type:
A=Isolated
B=Bussed
Packaging Option:
7=7” Tape & Reel
13 = 13" Tape & Reel
(No Code used for Tubes)
Lead Finish:
No Code=SnPb
LF=Lead Free (RoHS)
Tolerance Code
Resistance Code
Resistance Code
4
First 3 digits are significant. Fourth digit denotes number of trailing zeros. For values less than 100, use
“R” to denote a decimal point. Example, 51 and 10000 ohms are coded as 51R0 and 1002 respectively.
Standard values follow E96.
Resistance Tolerance Code
Absolute Resistance Tolerances (%)
Ratio Tolerances (R1 Ref) (%)
First 3 digits are significant. Fourth digit denotes number of trailing zeros. For values less than 100, use “R” to denote a
decimal point. Example, 51 and 10000 ohms are coded as 51R0 and 1002 respectively. Standard values follow E96.
A
B
D
± 0.5
± 0.1
F
± 1.0
± 0.5
Accuracy Code at 25°C
Accuracy Code at 25°
C
A
± 0.1
± 0.05
B
± 0.1
± 0.1
D
F
± 1.0
±25
± 0.5
±5
±25
±5
Absolute Resistance Tolerances (%)
Temperature Coefficient of Resistance (ppm/°C)
Ratio Tolerances (R1 Ref)
Tracking (ppm/°C)
Temperature Coefficient of Resistance,
(%)
± 0.1
± 0.05
± 0.1
± 0.1
± 0.5
± 0.1
Temperature Coefficient of Resistance (ppm/°C)
Temperature Coefficient of
Packaging Options
Resistance,
Count/Package Type)
(Unit
Tracking (ppm/°C)
Model + Pin count
Tubes
7” Tape & Reel
664
100
50
50
1000
500
13” Tape & Reel
2500
Model + Pin count
667
Tubes
100
50
50
7” Tape & Reel
1000
500
500
500
13” Tape & Reel
2500
664
667
668
2500
2500
2500
2500
668
Typical Marking
Lot number printed
on backside of 664
4 Contact customer service for custom designs and features.
Contact customer service for custom designs and features.
General Note
BI Technologies Corporation
TT electronics reserves the right to make changes in product specification without notice or liability.
4200 Bonita Place
All information is subject to TT electronics’ own data and is considered accurate at time of going to print.
Fullerton, CA 92835 USA
Website:
www.bitechnologies.com
© TT electronics plc
May 29, 2008
page 3 of 3
4
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10.13
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