MODEL L SERIES
Thick Film
Low Profile SIP
Conformal Coated
Resistor Networks
ELECTRICAL
Standard Resistance Range, Ohms 22 to 1Meg
Standard Resistance Tolerance, at 25°C ±2%
Optional: ±1% (F Tol.), ±5% (J Tol.)
Operating Temperature Range -55°C to +125°C
Temperature Coefficient of Resistance ±100ppm/°C (<100 Ohms = ±250ppm/°C) 4
Temperature Coefficient of Resistance, Tracking ±50ppm/°C
Maximum Operating Voltage 100Vdc or √PR
Insulation Resistance ≥10,000 Megohms
ENVIRONMENTAL
Thermal Shock plus Power Conditioning ∆R 0.70%
Short Time Overload ∆R 0.25%
Terminal Strength ∆R 0.25%
Moisture Resistance ∆R 0.50%
Mechanical Shock ∆R 0.25%
Vibration ∆R 0.25%
Low Temperature Storage ∆R 0.25%
High Temperature Exposure ∆R 0.50%
Load Life, 1,000 Hours ∆R 1.00%
Resistance to Solder Heat (Per MIL-STD-202, Method 210, Cond.B) ∆R 0.25%
Dielectric Withstanding Voltage 200V for 1 minute
Marking Permanency MIL-STD 202, Method 215
Lead Solderability MIL-STD 202, Method 208
Flammability UL-94V-O Rated
Storage Temperature Range -55°C to +150°C
Specifications subject to change without notice.
4-37 Model L Series
MECHANICAL
Lead Material Steel Alloy (Standard)
Copper Alloy (Optional)
Lead Finish 90/10 Tin-Lead
Substrate Material Alumina
Resistor Material Cermet
Body Material Conformal Epoxy Resin
STANDARD RESISTANCE VALUES, OHMS POWER DERATING CURVE
-3 Circuit (Isolated Resistors) & -1 Circuits (Bussed Resistors)
100
Ohms Code Ohms Code Ohms Code
80
22 220 820 821 33K 333 60
Percent of
40
27 270 1K 102 39K 393 Rated Power
20
33 330 1.2K 122 47K 473 0
39 390 1.5K 152 51K 513
-0 70 125 150
47 470 1.8K 182 56K 563
Degrees C
51 510 2K 202 68K 683
56 560 2.2K 222 82K 823
68 680 2.7K 272 100K 104
82 820 3.3K 332 120K 124 POWER DISSIPATION, WATTS AT 70°C
100 101 3.9K 392 150K 154
120 121 4.7K 472 180K 184
150 151 5.1K 512 200K 204 — Resistor (Per Circuit) —
180 181 5.6K 562 220K 224 Model Package -1 -3 -5
200 201 6.8K 682 270K 274 L06 .6 .125 .200 .125
220 221 8.2K 822 330K 334 L08 .8 .125 .200 .125
270 271 10K 103 390K 394 L10 1.0 .125 .200 .125
330 331 12K 123 470K 474
390 391 15K 153 510K 514
470 471 18K 183 560K 564
510 511 20K 203 680K 684
560 561 22K 223 820K 824
680 681 27K 273 1Meg 105
-5 Circuit (Dual Terminators)
Ohms Code Ohms Code Ohms Code
R1/R2 R1/R2 R1/R2 R1/R2 R1/R2 R1/R2
180/390 181/391 330/390 331/391 3K/6.2K 302/622
220/270 221/271 330/470 331/471
220/330 221/331 330/680 331/681
4-38 Model L Series
OUTLINE DIMENSIONS (Inch/mm)
.095
“L” Max. Max.
2.41
.195
4.95 .140 ± .020
Max. 3.56 ± 0.51
.100 ± .005 .012 ± .003
.020 ± .004 0.31 ± 0.08
2.54 ± 0.13
0.51 ± 0.10 Centered
Pitch. Non-
No. of Leads on Package
Accumulative
# of Leads 4 5 6 7 8 9 10 11 12 13 14
Dim. “L” .40 .50 .60 .70 .80 .90 1.00 1.10 1.20 1.30 1.40
Max. 10.16 12.70 15.24 17.78 20.32 22.86 25.40 27.94 30.48 33.02 35.56
4
SCHEMATICS
-3 Circuit -1 Circuit
Isolated Resistors Bussed Resistors
1 2 3 4 n 1 2 3 4 n
-5 Circuit
Dual Terminator
R2
R1
1 2 3 4 n
4-39 Model L Series
TYPICAL PART MARKING
4 Leads Only Lead #1 Indicator
Logo
B 104 Date L 8 3 C 103 Date
Code Code
Model
Lead #1 Indicator Resistance Code Series Resistance Code
Logo Circuit Type & I.D. Code Factory Code
Number Circuit Type
Of Leads
PACKAGING
Standard: Bulk: Quantity = 500 (Europe)
200 Units (USA/Asia)
Option: Tape in Ammo Box (Steel pins only).
All Units oriented with lead #1 to the left of direction of feed.
Tape: Width = 18mm
Pitch = 12.7mm
Ammo Box: Capacity = 1,000 Units
Option: Magazine
Dimensions conform to EIA & JEDEC standards.
All Units oriented with lead #1 to the same side.
Magazine: Material = Antistatic Plastic
4-40 Model L Series
ORDERING INFORMATION
L 08 5 C 331 / 471 F XX
Model Series Packaging Option:
T = Ammo Pack, Steel Leads only
Number of Leads: All leads attached to tape.*
4 thru 14 3T = Ammo Pack, Steel Leads only
3 leads only attached to tape.*
Circuit Type: M1 or M2 = Tube **
3 = Isolated (No code used for standard bulk packaging.)
1 = Bussed
5 = Dual Terminator Tolerance Code:
F = ±1%
Lead Code: J = ±5%
S = Steel Leads (No code used for 2% standard.)
C = Copper Leads
R2 Resistance Code:
(Add for -5 circuit only) 4
Resistance Code:
First 2 digits are significant.
Last digit denotes number of trailing zeros.
For "F" tolerance first 3 digits are significant.
Fourth digit denotes number of trailing zeros.
* Refer to Packaging for Automation section (Page A-3) for Ammo Pack capacity and dimensions.
** Refer to Packaging for Automation section (Page A-4) for M1 and M2 tube capacity and dimensions.
APPLICABLE DOCUMENTS
MIL-R-83401 — Resistor Networks, Fixed, Film, General Specifications
MIL-STD-105 — Sampling Procedures and Tables for Inspection by Attributes
MIL-STD-202 — Test Methods for Electronic and Electrical Component Parts
4-41 Model L Series
