ENVIRONMENTAL
Thermal Shock plus Power Conditioning ∆R 0.70%
Short Time Overload ∆R 0.25%
Moisture Resistance ∆R 0.50%
Mechanical Shock ∆R 0.25%
Vibration ∆R 0.25%
Low Temperature Operation ∆R 0.25%
High Temperature Exposure ∆R 0.50%
Load Life, 2,000 Hours (≤33Ohms = ±0.5 Ohm) ∆R 0.50%
Resistance to Solder Heat (Total immersion in solder at 280°C for 10 sec.) ∆R 0.25%
Dielectric Withstanding Voltage 200V for 1 minute
Temperature Exposure, Maximum 215°C for 3 minutes
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
4
4-117 Models 627, 628
ELECTRICAL
Standard Resistance Range, Ohms 10 to 1Meg (Plus “0 Ohm” Jumper)
Standard Resistance Tolerance, at 25°C ±2% (<33 Ohms = ±1Ohm)
(Optional: F Tol. = ±1%)
Operating Temperature Range -55°C to +125°C
Temperature Coefficient of Resistance ±100ppm/°C (<100 Ohms = ±250ppm/°C)
Temperature Coefficient of Resistance, Tracking ±50ppm/°C
Maximum Operating Voltage 50Vdc or √PR
Insulation Resistance ≥10,000 Megohms
MODELS 627, 628
.220” Small Outline
Dual-In-Line
Thick Film
Surface Mount
Resistor Networks
Specifications subject to change without notice.
J Circuit (Dual Terminators)
Ohms (R1/R2) Code (R1/R2) Marking Ohms (R1/R2) Code (R1/R2) Marking
120/120 121/121 45 330/470 331/471 10
150/150 151/151 40 390/390 391/391 42
180/300 181/301 31 470/470 471/471 43
220/220 221/221 39 1K/3.3K 102/332 35
220/330 221.331 08 3K/6.2K 302/662 13
270/270 271/271 41 6.8K/22K 682/223 29
330/390 331/391 09
4-118 Models 627, 628
B Circuit
(Bussed Resistors)
Bold type represents stock standard values for ‘B’ circuit
Ohms Code Ohms Code Ohms Code
22 220 1.2K 122 39K 393
33 330 1.5K 152 47K 473
39 390 1.8K 182 56K 563
47 470 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 5.6K 562 220K 224
180 181 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 560K 564
470 471 18K 183 680K 684
560 561 20K 203 820K 824
680 681 22K 223 1Meg 105
820 821 27K 273
1K 102 33K 333
MECHANICAL
Lead Material Copper Alloy, 60/40 Tin-Lead (Dipped)
Lead Configuration Gull Wing
Lead Coplanarity ±0.002 in. (0.051mm)
Substrate Material Alumina
Resistor Material Cermet
Body Material Epoxy
STANDARD RESISTANCE VALUES, OHMS
A Circuit
(Isolated Resistors)
Bold type represents stock standard values for ‘A’ circuit
Ohms Code Ohms Code Ohms Code
22 220 1.2K 122 39K 393
33 330 1.5K 152 47K 473
39 390 1.8K 182 56K 563
47 470 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 5.6K 562 220K 224
180 181 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 560K 564
470 471 18K 183 680K 684
560 561 20K 203 820K 824
680 681 22K 223 1Meg 105
820 821 27K 273
1K 102 33K 333
4
4-119 Models 627, 628
1
N
N/2 1
N
N/2
R1
R2
1
N
N/2
-5 Circuit
Dual Terminator
-1 Circuit
Bussed Resistors
-3 Circuit
Isolated Resistors
SCHEMATICS
.050
1.27
627
628
.016
0.41
.310
7.87
Max.
Typ.
.028
0.71
.008
0.20 Typ.
Typ.
.090
2.29 Max.
Typ.
627:
.008 ± .005
0.20 ± 0.13
.220 ± .005
5.59 ± 0.13
628: .445
11.30
.395
10.03
Max.
Max.
OUTLINE DIMENSIONS (Inch/mm)
.050
1.27 Typ.
.315
8.00 Min.
.030 ± .005
0.76 ± 0.13
.045 ± .005
1.14 ± 0.13
.220 ± .010
5.59 ± 0.25
SOLDER PAD LAYOUT (Inch/mm)
Note: Maximum allowable mold excursion = 0.006"
Note: Model 628: N = 16 Leads, Model 627: N = 14 Leads.
4-120 Models 627, 628
8B330 Part Marking
Lead #1 Indicator
Part
Marking:
Part
Number:
8A330
8B331
8J08
628A330
628B331
628J221/331
Date Code
Manufacturer’s Trademark
UK MADE
TYPICAL PART MARKING
PACKAGING
Standard: Tape & Reel
Conforms to requirements of EIA-481.
All units oriented with lead #1 to the left of direction of feed.
Tape: Width = 24mm
Pocket = Embossed Plastic, Antistatic
Pitch = 12mm
Reel: Diameter = 13” (330mm) Maximum
Capacity = 2,000 Units
Option: Magazines
Conforms to EIA and JEDEC standards.
All units oriented with lead #1 to the same side.
Magazine: Capacity = 50 Units
POWER DISSIPATION, WATTS AT 70°C
— Resistor (Per Circuit) —
Model Package A B J
627 1.28 0.32 0.16 0.16
628 1.28 0.32 0.16 0.16
4
4-121 Models 627, 628
ORDERING INFORMATION
62 8 J 331 / 471 F TR4
Model Series Standard Tape & Reel Packaging:
(No code used for Magazines.)
Tolerance Code:
F = ±1%
(No code used for 2% std.)
R2 Resistance Code: (Add for J Circuit only.)
Resistance Code:
E12 & E24 Series: First two digits are significant.
Last digit denotes number of trailing zeros.
E96 Series: First three digits are significant.
Last digit denotes number of trailing zeros.
Number of Leads:
7 = 14 Leads
8 = 16 Leads
Circuit Type:
A = Isolated
B = Bussed
J = Dual Terminator
APPLICABLE DOCUMENTS
MIL-R-914 – Resistor Networks, Fixed, Film, Surface Mount Established Reliability General Specifications
MIL-STD-105 – Sampling Procedures and Tables for Inspection by Attributes
MIL-STD-202 – Test Methods for Electronics and Electrical Component Parts
EIA-481 – Carrier Taping of Surface Mount Components for Automatic Handling
EIA-PDP-100 – SOGN-0002 Outline Dimensions
