QPL Networks
Bulk Metal
®
Foil Technology 1445Q-14
BulkMetal®FoilTechnology1445Q-14Pin and1446Q-16Pin DIPPackages
and 1446Q-16 Pin DIP Packages
FEATURES
• Hermetically sealed for maximum environmental
protection – 100% leak protection
Gross leak: no bubbles
Fine leak: <5 × 10
–7
cc/sec
(MIL-STD-220, Method 112, test C, Procedure 111A)
• Tested per MIL-PRF-83401
• Ceramic package: 94% Alumina (Al
2
O
3
)
• Lid: gold plated kovar
• Solder: tin/gold
• Leads: alloy 42 (iron nickel) with 100 to 300 µ inches
gold plating (MIL-STD-1276, Type G-21-A)
• Gold ball wire bonding
• Bulk Metal
®
Foil Chips V15X5
Product may not be to scale
Figure 1 – Model 1445Q Dimensions
0.740 ± 0.045
(18.80 ±1.14)
0.270 + 0.035/- 0.030
(6.86 + 0.89/- 0.76)
NO. 1 LEAD
(VIEWED FROM TOP)
0.008 - 0.016
(0.20 - 0.41)
0.300 ± 0.010
(7.62 ± 0.25)
ADDITIONAL TESTING TO MIL SPEC
Group A testing to MIL-PRF-83401 imposes the following:
1. Thermal shock 100%
5X from –65 to +125°C
2. Power conditioning 100%
2.1 100 hours at 25°C, full power
2.2 ΔR and ΔRatio calculation
3. Visual and Mechanical after the above tests
(sample plan)
3.1 Conformity to physical size
3.2 Workmanship
3.3 Damage due to the above tests
4. 10% PDA or one piece whichever is greater
5. Solderability (sample plan)
Group B sample testing to MIL-PRF-83401
imposes the following:
1. Temperature coefficient of resistance (sample plan)
2. Resistance to solvents (sample plan)
0.270 + 0.035
- 0.030
(6.86 + 0.89)
- 0.76
NO. 1 LEAD
0.040 - 0.070 TYPICAL
(1.01 - 1.78)
0.200 MAXIMUM
(5.08)
0.135 + 0.015/- 0.010
(3.43 + 0.38/- 0.25)
0.100
TYP.
(2.54)
0.015 - 0.022
(0.38 - 0.56)
Figure 2 – Model 1446Q Dimensions
0.830 + 0.046
- 0.070
(21.08 + 1.17)
- 1.78
0.008 - 0.016
(0.20 - 0.41)
0.300 ±0.010
(7.62 ±0.25)
(VIEWED FROM TOP)
INTRODUCTION
Model 1445Q and 1446Q networks are qualified to
MIL-PRF-83401, Characteristic C, Schematic A. Actual
performance exceeds all the requirements of
MIL-PRF-83401 characteristics “C”.
Model 1445Q contains 7 resistors and 1446Q contains
8 resistors. Qualified resistance range is 100 Ω through
10 kΩ. Other values are available non-QPL. Power rating
is 0.1 Watt.
0.040 - 0.070 TYPICAL
(1.01 - 1.78)
0.200
(5.08) MAXIMUM
0.135 + 0.015/- 0.010
(3.43 + 0.38/- 0.25)
0.100
(2.54) TYPICAL
0.015 - 0.022
(0.38 - 0.56)
9658-EN
Rev 10-Nov-2020
For any questions, contact
foil@vpgsensors.com
www.vishayfoilresistors.com
1
QPL Networks
Table 1 – TCR Characteristic
Qualification to Characteristic “C” covers the following
characteristics
(1)
.
CHARACTERISTIC
C
V
H
K
M
TCR
ABSOLUTE
±50
±50
±50
±100
±300
TCR
TRACK
±5
±5
NA
NA
NA
SEAL
Hermetic
Non-Hermetic
Non-Hermetic
Non-Hermetic
Non-Hermetic
Table 2 – Resistance Value
A four digit designator in which the first three digits are
significant figures and the fourth digit indicates the number
of zeros to follow.
Example: 1002 = 10K
Figure 3 – Schematic “A”
N-1
N
N-1
N
NOTE:
1. For characteristics H, K and M the “C” power rating
must be acceptable.
1
2
3
For Model: /01
/02
N=7
N=8
Table 3 – MIL-PRF-83401 Performance Specifications
TEST OR CONDITION
Resistance Temp Characteristic
Tracking To Reference Element
(–55 to +125°C)
Max Ambient Temp at Rated Wattage
Max Ambient Temp at Zero Power
Thermal Shock and Power Conditioning
Low Temperature Operation
Short Time Overload
Terminal Strength
Resistance to Soldering Heat
Moisture Resistance
Shock (Specified Pulse)
Vibration, High Frequency
Load Life
(+70°C, Full Power, 1000 hours)
+25°C Power Rating
(1000 hrs.)
High Temperature Exposure
(+125°C, 100 hours)
Low Temperature Storage
Insulation Resistance
Resistance Tolerance and, when applicable,
Resistance Ratio Accuracy
±0.005(V)
±0.01(T)
±0.05(A)
±0.05(A)
±0.1(B)
±0.1(B)
±0.5(D)
±0.5(D)
±1.0(F)
ΔR
ΔRatio
ΔR
ΔRatio
ΔR
ΔRatio
ΔR
ΔRatio
ΔR
ΔRatio
ΔR
ΔRatio
ΔR
ΔRatio
ΔR
ΔRatio
ΔR
ΔRatio
ΔR
ΔRatio
ΔR
ΔRatio
ppm/°C
ppm/°C
Y
±5
±5
R
±25
±5
MIL-PRF-83401
C
V
H
±50
±50
±50
±5
±5
+70°C
+125°C
±0.25%
±0.03%
±0.10%
±0.02%
±0.10%
±0.02%
±0.10%
±0.03%
±0.10%
±0.02%
±0.20%
±0.02%
±0.25%
±0.03%
±0.25%
±0.03%
±0.10%
±0.03%
±0.10%
±0.03%
±0.10%
±0.03%
±0.10%
±0.02%
10 000 MΩ
NA
K
±100
NA
M
±300
NA
±0.02%
±0.01%
±0.02%
±0.02%
±0.02%
±0.01%
±0.01%
±0.01%
±0.01%
±0.01%
±0.02%
±0.01%
±0.02%
±0.02%
±0.02%
±0.02%
±0.05%
±0.025%
±0.05%
±0.025%
±0.02%
±0.01%
±0.01%
±0.01%
±0.08%
±0.04%
±0.03%
±0.02%
±0.03%
±0.02%
±0.03%
±0.02%
±0.05%
±0.02%
±0.05%
±0.02%
±0.03%
±0.02%
±0.03%
±0.02%
±0.1%
±0.03%
±0.1%
±0.03%
±0.05%
±0.02%
±0.03%
±0.02%
±0.25%
±0.03%
±0.10%
±0.02%
±0.10%
±0.02%
±0.10%
±0.03%
±0.10%
±0.02%
±0.20%
±0.02%
±0.25%
±0.03%
±0.25%
±0.03%
±0.10%
±0.03%
±0.10%
±0.03%
±0.10%
±0.03%
±0.10%
±0.02%
±0.50%
NA
±0.10%
NA
±0.10%
NA
±0.25%
NA
±0.10%
NA
±0.40%
NA
±0.25%
NA
±0.25%
NA
±0.50%
NA
±0.50%
NA
±0.20%
NA
±0.10%
NA
±0.70%
NA
±0.25%
NA
±0.25%
NA
±0.25%
NA
±0.25%
NA
±0.50%
NA
±0.25%
NA
±0.25%
NA
±0.50%
NA
±0.50%
NA
±0.50%
NA
±0.25%
NA
±0.70%
NA
±0.50%
NA
±0.50%
NA
±0.25%
NA
±0.25%
NA
±0.50%
NA
±0.25%
NA
±0.25%
NA
±2.00%
NA
±2.00%
NA
±1.00%
NA
±0.50%
NA
±0.1%(B) ±0.1%(B) ±0.1%(B) ±0.5%(D) ±1.0%(F)
±0.5%(D) ±0.5%(D) ±0.5%(D) ±1.0%(F) ±2.0%(G)
±1.0%(F) ±1.0%(F) ±1.0%(F) ±2.0%(G) ±5.0%(J)
NOTE:
1. ΔR’s are not cumulative. For purposes of determining reliability calculations, consider the characteristics shown as figures of merit
and allow no more than ±0.05% ΔR lifetime. Allow proportionately less if the severity of anticipated environmental stress is small
compared to the tests as defined in MIL-PRF-83401.
www.vishayfoilresistors.com
2
For any questions, contact
foil@vpgsensors.com
9658-EN
Rev 10-Nov-2020
QPL Networks
Table 4 – Ordering Information – Qualified M83401 Series (MIL-PRF-83401) Networks
M83401
MILITARY
SPECIFICATION
MIL-PRF-83401
01
SLASH
SHEET
Qualified to the following
slash sheets:
/01 14 pin DIP,
P/N 1445Q
/02 16 pin DIP,
P/N 1446Q
C
TCR
CHARACTERISTIC
Qualified to
Characteristic C
(see Table 1)
1002
RESISTANCE
VALUE
Qualified from
100 Ω
through 10 kΩ.
(see Table 2)
B
RESISTANCE
TOLERANCE
Qualified to the
following
tolerances:
B = 0.1%
D = 0.5%
(1)
F = 1.0%
(1)
G = 2.0%
J = 5.0%
A
SCHEMATIC
(2)
Qualified to
schematic “A”.
(see Figure 3)
NOTE:
(1)
For standard values by tolerance see Table III of MIL-PRF-83401. All values are considered standard when the specified tolerance is
tighter than 0.10%.
(2)
What to do if QPL is required and no schematic is available:
Schematic “X”
Additional special schematics may be identified as “X”schematic and described fully in
the detailed specifications.
DSCC Drawings
Anyone can request DSCC Drawings if the part is to be used on a military contract.
Submit either a catalog sheet or SCD to DSCC or call Vishay Foil Resistors for more information.
(3)
Hot solder dip leads are available upon request.
Example:
14 Pin, 7 Resistor, 10K000, 0.1% Tolerance
Military Specification: M83401
Slash Sheet: 01
TCR Characteristic: C
Resistance Value: 1002
Resistance Tolerance: B
Schematic: A
16 Pin, 8 Resistor, 100R00, 0.1% Tolerance
Military Specification: M83401
Slash Sheet: 02
TCR Characteristic: C
Resistance Value: 1000
Resistance Tolerance: F
Schematic: A
9658-EN
Rev 10-Nov-2020
For any questions, contact
foil@vpgsensors.com
www.vishayfoilresistors.com
3
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