BITECH 627

MODELS 627, 628
.220” Small Outline
Dual-In-Line
Thick Film
Surface Mount
Resistor Networks
ELECTRICAL
Standard Resistance Range, Ohms
Standard Resistance Tolerance, at 25°C
10 to 1Meg (Plus “0 Ohm” Jumper)
±2% (<33 Ohms = ±1Ohm)
(Optional: F Tol. = ±1%)
-55°C to +125°C
±100ppm/°C (<100 Ohms = ±250ppm/°C)
±50ppm/°C
50Vdc or √PR
≥10,000 Megohms
Operating Temperature Range
Temperature Coefficient of Resistance
Temperature Coefficient of Resistance, Tracking
Maximum Operating Voltage
Insulation Resistance
ENVIRONMENTAL
Thermal Shock plus Power Conditioning
Short Time Overload
Moisture Resistance
Mechanical Shock
Vibration
Low Temperature Operation
High Temperature Exposure
Load Life, 2,000 Hours (≤33Ohms = ±0.5 Ohm)
Resistance to Solder Heat (Total immersion in solder at 280°C for 10 sec.)
Dielectric Withstanding Voltage
Temperature Exposure, Maximum
Marking Permanency
Lead Solderability
Flammability
Storage Temperature Range
∆R 0.70%
∆R 0.25%
∆R 0.50%
∆R 0.25%
∆R 0.25%
∆R 0.25%
∆R 0.50%
∆R 0.50%
∆R 0.25%
200V for 1 minute
215°C for 3 minutes
MIL-STD-202, Method 215
MIL-STD-202, Method 208
UL-94V-O Rated
-55°C to +150°C
Specifications subject to change without notice.
4-117
Models 627, 628
4
MECHANICAL
Lead Material
Lead Configuration
Lead Coplanarity
Substrate Material
Resistor Material
Body Material
Copper Alloy, 60/40 Tin-Lead (Dipped)
Gull Wing
±0.002 in. (0.051mm)
Alumina
Cermet
Epoxy
STANDARD RESISTANCE VALUES, OHMS
Ohms
A Circuit (Isolated Resistors)
B Circuit (Bussed Resistors)
Bold type represents stock standard values for ‘A’ circuit
Bold type represents stock standard values for ‘B’ circuit
Ohms
Code
Ohms
Code
Ohms
393
22
220
1.2K
122
39K
473
33
330
1.5K
152
47K
473
563
39
390
1.8K
182
56K
563
683
47
470
2K
202
68K
683
82K
823
56
560
2.2K
222
82K
823
100K
104
68
680
2.7K
272
100K
104
120K
124
82
820
3.3K
332
120K
124
392
150K
154
100
101
3.9K
392
150K
154
4.7K
472
180K
184
120
121
4.7K
472
180K
184
5.6K
562
220K
224
150
151
5.6K
562
220K
224
6.8K
682
270K
274
180
181
6.8K
682
270K
274
221
8.2K
822
330K
334
Code
Ohms
Code
Ohms
22
220
1.2K
122
39K
33
330
1.5K
152
47K
39
390
1.8K
182
56K
47
470
2K
202
68K
56
560
2.2K
222
68
680
2.7K
272
82
820
3.3K
332
100
101
3.9K
120
121
150
151
180
181
Code
Code
393
220
221
8.2K
822
330K
334
220
270
271
10K
103
390K
394
270
271
10K
103
390K
394
330
331
12K
123
470K
474
330
331
12K
123
470K
474
390
391
15K
153
560K
564
390
391
15K
153
560K
564
471
18K
183
680K
684
470
471
18K
183
680K
684
470
560
561
20K
203
820K
824
560
561
20K
203
820K
824
680
681
22K
223
1Meg
105
680
681
22K
223
1Meg
105
820
821
27K
273
820
821
27K
273
333
1K
102
33K
333
1K
102
33K
J Circuit (Dual Terminators)
Ohms (R1/R2)
120/120
150/150
180/300
220/220
220/330
270/270
330/390
Code (R1/R2)
121/121
151/151
181/301
221/221
221.331
271/271
331/391
Marking
45
40
31
39
08
41
09
Ohms (R1/R2)
330/470
390/390
470/470
1K/3.3K
3K/6.2K
6.8K/22K
4-118
Code (R1/R2)
331/471
391/391
471/471
102/332
302/662
682/223
Marking
10
42
43
35
13
29
Models 627, 628
OUTLINE DIMENSIONS (Inch/mm)
628:
627:
.445
11.30
Max.
.090
2.29 Max.
.395
10.03
Max.
.310
7.87
Max.
.008
0.20 Typ.
.028
0.71 Typ.
.008 ± .005
0.20 ± 0.13
.220 ± .005
5.59 ± 0.13
627
628
.016
0.41 Typ.
.050
1.27 Typ.
Note: Maximum allowable mold excursion = 0.006"
4
SCHEMATICS
-3 Circuit
Isolated Resistors
-5 Circuit
Dual Terminator
-1 Circuit
Bussed Resistors
N
N
N
R1
R2
1
N/2
1
N/2
1
N/2
Note: Model 628: N = 16 Leads, Model 627: N = 14 Leads.
SOLDER PAD LAYOUT (Inch/mm)
.050
Typ.
1.27
.045 ± .005
1.14 ± 0.13
.220 ± .010
5.59 ± 0.25
.315
Min.
8.00
.030 ± .005
0.76 ± 0.13
4-119
Models 627, 628
TYPICAL PART MARKING
Part
Number:
628A330
628B331
628J221/331
Part
Marking:
8A330
8B331
8J08
POWER DISSIPATION, WATTS AT 70°C
Model
Manufacturer’s Trademark
Date Code
Part Marking
8B330
Package
627
628
1.28
1.28
— Resistor (Per Circuit) —
A
B
J
0.32
0.32
0.16
0.16
0.16
0.16
UK MADE
Lead #1 Indicator
PACKAGING
Standard: Tape & Reel
Conforms to requirements of EIA-481.
All units oriented with lead #1 to the left of direction of feed.
Tape:
Reel:
Option:
Width
Pocket
Pitch
Diameter
Capacity
=
=
=
=
=
24mm
Embossed Plastic, Antistatic
12mm
13” (330mm) Maximum
2,000 Units
Magazines
Conforms to EIA and JEDEC standards.
All units oriented with lead #1 to the same side.
Magazine: Capacity
=
50 Units
4-120
Models 627, 628
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
ORDERING INFORMATION
62 8 J 331 / 471 F TR4
Model Series
Number of Leads:
7 = 14 Leads
8 = 16 Leads
Circuit Type:
A = Isolated
B = Bussed
J = Dual Terminator
Standard Tape & Reel Packaging:
(No code used for Magazines.)
Tolerance Code:
F = ±1%
(No code used for 2% std.)
4
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.
4-121
Models 627, 628