MODEL L SERIES
L Series
www.bitechnologies.com www.irctt.com www.welwyn-tt.com
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.
© TT electronics plc
03.12
· Thick Film
· Low Profile SIP
· Conformal Coated
· Resistor Networks
· RoHS Compliant
Electrical
Environmental
Standard Resistance Range, Ohms 1%: 22R - 1M; 2%:10R - 5M6; 5%: 10R - 10M
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 (<50 Ohms = ±250ppm/°C)
Temperature Coefficient of Resistance, Tracking ±50ppm/°C
Maximum Operating Voltage 100Vdc or √PR
Insulation Resistance ≥10,000 Megohms
Thermal Shock plus Power Conditioning ΔR 0.70%
Short Time Overload ΔR 0.25%
Terminal Strength ΔR 0.25%
Moisture Resistance ΔR 0.50%
Mechanical Shock ΔR 0.25%
Vibration ΔR 0.25%
Low Temperature Storage ΔR 0.25%
High Temperature Exposure ΔR 0.50%
Load Life, 1,000 Hours ΔR 1.00%
Resistance to Solder Heat (Per MIL-STD-202, Method 210, Cond.B) ΔR 0.25%
Dielectric Withstand 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.
MODEL L SERIES
L Series
www.bitechnologies.com www.irctt.com www.welwyn-tt.com
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.
© TT electronics plc
03.12
Mechanical
Standard Resistance Values, Ohms Power Derating Curve
-3 Circuit (Isolated Resistors) & -1 Circuits (Bussed Resistors)
Ohms Code Ohms Code Ohms Code
22 220 820 821 33K 333
27 270 1K 102 39K 393
33 330 1.2K 122 47K 473
39 390 1.5K 152 51K 513
47 470 1.8K 182 56K 563
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
100 101 3.9K 392 150K 154
120 121 4.7K 472 180K 184
150 151 5.1K 512 200K 204
180 181 5.6K 562 220K 224
200 201 6.8K 682 270K 274
220 221 8.2K 822 330K 334
270 271 10K 103 390K 394
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) Power Dissipation, Watts At 70°C
Ohms Code Ohms Code Ohms Code — Resistor (Per Circuit) —
R1/R2 R1/R2 R1/R2 R1/R2 R1/R2 R1/R2 Model Package -1 -3 -5
180/390 181/391 330/390 331/391 3K/6.2K 302/622 L06 .6 .125 .200 .125
220/270 221/271 330/470 331/471 - - L08 .8 .125 .200 .125
220/330 221/331 330/680 331/681 - - L10 1.0 .125 .200 .125
Lead Finish SnAgCu
Substrate Material Alumina
Resistor Material Cermet
Body Material Conformal Epoxy Resin
Percent of
Rated Power
100
80
60
40
20
0
15012570-0
Degrees C
MODEL L SERIES
L Series
www.bitechnologies.com www.irctt.com www.welwyn-tt.com
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.
© TT electronics plc
03.12
Outline Dimensions (Inch/mm)
Schematics
No. of Leads
.100 ± .005
2.54 ± 0.13
Pitch. Non-
Accumulative
.020 ± .004
0.51 ± 0.10
.012 ± .003
0.31 ± 0.08
Centered
on Package
.140 ± .020
3.56 ± 0.51
Max.
“L” Max. Max.
1234 n
-3 Circuit
Isolated Resistors
-5 Circuit
Dual Terminator
1234
R1
R2
n
1234 n
-1 Circuit
Bussed Resistors
# of Leads 4 5 6 7 8 9 10 11 12 13 14
Dim. “L”
Max.
.40
10.16
.50
12.70
.60
15.24
.70
17.78
.80
20.32
.90
22.86
1.00
25.40
1.10
27.94
1.20
30.48
1.30
33.02
1.40
35.56
.200
.098
5.08
2.5
MODEL L SERIES
L Series
www.bitechnologies.com www.irctt.com www.welwyn-tt.com
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.
© TT electronics plc
03.12
Typical Part Marking
Packaging
L
Logo
Lead #1 Indicator
Model
Series Resistance Code
Date
Code
Number
Of Leads
Circuit Type
8 3 S 103
Logo
4 Leads Only
Lead #1 Indicator Resistance Code
Date
Code
Circuit Type & I.D. Code
B 104
Standard: Bulk: Quantity = 4 -10 pins: 200 per bag, 1000 per box
11 -14 pins: 100 per bag, 500 per box
Option:
Tape in Ammo Box (4 - 10 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 per box. 12,000 units per carton
MODEL L SERIES
L Series
www.bitechnologies.com www.irctt.com www.welwyn-tt.com
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.
© TT electronics plc
03.12
Ordering Information
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
L 08 5 S 331 / 471 F LF XX
Model Series
Number of Leads:
4 thru 14
Circuit Type:
3 = Isolated
1 = Bussed
5 = Dual Terminator
G3T = Ammo Pack, Steel Leads only
3 leads only attached to tape.*
M1 or M2 = Tube **
(No code used for standard bulk packaging.)
LF: RoHS Compliant
Tolerance Code:
F = ±1%
J = ±5%
(No code used for 2% standard.)
R2 Resistance Code:
(Add for -5 circuit only)
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.
