Features
■ RoHS compliant* versions available (see
How to Order “Termination” option)
■ Medium profi le offers increased power
handling
■ Compatible with automatic insertion
equipment
■ Superior package integrity
■ Now available with improved tolerance
to ±0.5 %
4300M Series - Thick Film Molded SIPs
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifi cations are subject to change without notice.
Customers should verify actual device performance in their specifi c applications.
Product Characteristics
Resistance Range
.................... 10 ohms to 10 megohms
Maximum Operating Voltage .........100 V
Temperature Coeffi cient of Resistance
50 Ω to 2.2 megohms .....±100 ppm/°C
below 50 Ω .....................±250 ppm/°C
above 2.2 megohms.......±250 ppm/°C
TCR Tracking.........................50 ppm/°C
maximum; equal values
Resistor Tolerance ............... See circuits
Operating Temperature
................................-55 °C to +125 °C
Insulation Resistance
................ 10,000 megohms minimum
Dielectric Withstanding Voltage
...........................................200 VRMS
Lead Solderability .....Meet requirements
of MIL-STD-202 Method 208
Environmental Characteristics
TESTS PER MIL-STD-202 ...... ∆R MAX.
Short Time Overload..................±0.25 %
Load Life ....................................±1.00 %
Moisture Resistance ..................±0.50 %
Resistance to Soldering Heat
...............................................±0.25 %
Terminal Strength ......................±0.25 %
Thermal Shock ..........................±0.25 %
Physical Characteristics
Flammability ........ Conforms to UL94V-0
Lead Frame Material
.........................Copper, solder coated
Body Material.................. Novolac epoxy
Package Power Temp. Derating Curve
How To Order
43 06 M - 101 - 222 __ __
Model
(43 = Molded SIP)
Number of Pins
Physical Confi guration
(M = Thick Film Medium
Profi le)
Electrical Confi guration
• 101 = Bussed
• 102 = Isolated
• 104 = Dual Terminator
Resistance Code
• First 2 digits are signifi cant
• Third digit represents the
number of zeros to follow.
Resistance Tolerance
• Blank = ±2 % (see “Resistance Tolerance”
on next page for resistance range)
• F = ±1 % (100 ohms - 1 megohm)
• D = ±0.5 % (100 ohms - 1 megohm)
Terminations
• All electrical confi gurations EXCEPT 104:
LF = Tin-plated (RoHS compliant version)
• ONLY electrical confi guration 104:
L = Tin-plated (RoHS compliant version)
• Blank = Tin/Lead-plated
Consult factory for other available options.
Product Dimensions
Package Power Rating at 70 °C
4304M.....................................0.60 watts
4306M.....................................0.90 watts
4308M.....................................1.20 watts
4310M.....................................1.50 watts
Typical Part Marking
Represents total content. Layout may
vary.
For Standard Values Used in
Capacitors, Inductors, and Resistors,
click here.
WATTS
AMBIENT TEMPERATURE ( C )
°
0 70 125
3.50
3.00
2.50
2.00
1.50
1.00
.50
25
4308M
4306M
4304M
4310M
4310M-101 LF
-473
CYYWW
CIRCUIT RoHS COMPLIANCY
INDICATOR
RESISTANCE
CODE
PIN ONE
INDICATOR
MANUFACTURER'S
TRADEMARK
COUNTRY OF MANUFACTURE
(C = COSTA RICA)
DATE CODE
PART
NUMBER
6.35
(.250)
MAX.
PIN #1 REF.
24.99
(.984) MAX.
19.91
(.784) MAX.
14.83
(.584) MAX.
9.75
(.384) MAX.
3.43 + .38/ - .25
(.135 + .015/ - .010)
1.02 .12
(.040 .005)
.483 .050
(.020 .002)TYP.
2.54 .07
(.100 .003*)
TYP.
NON-ACCUM.
2.16 .10
(.085 .004)
1.02 .05
(.0425 .002)
.254 .050
(.010 .002)
Governing dimensions are in metric. Dimensions in parentheses
are inches and are approximate.
*Terminal centerline to centerline measurements made at point of
emergence of the lead from the body.
.407 + .102/ - .000
(.016 + .004/ - 000)
4310M–101 LF
–473
C1127
*RoHS COMPLIANT
VERSIONS
AVAILABLE
Specifi cations are subject to change without notice.
Customers should verify actual device performance in their specifi c applications.
4300M Series - Thick Film Molded SIPs
REV. 05/12
For information on specifi c applications,
download Bourns’ application notes:
■ DRAM Applications
■ Dual Terminator Resistor Networks
■ R/2R Ladder Networks
■ SCSI Applications
Isolated Resistors (102 Circuit)
Model 4304M-102-RC (4 Pin)
Model 4306M-102-RC (6 Pin)
Model 4308M-102-RC (8 Pin)
Model 4310M-102-RC (10 Pin)
Bussed Resistors (101 Circuit)
Model 4304M-101-RC (4 Pin)
Model 4306M-101-RC (6 Pin)
Model 4308M-101-RC (8 Pin)
Model 4310M-101-RC (10 Pin)
Dual Terminator (104 Circuit)
Model 4304M-104-R1/R2
Model 4306M-104-R1/R2
Model 4308M-104-R1/R2 (shown)
Model 4310M-104-R1/R2
These models incorporate 2, 3, 4 or 5
isolated thick-fi lm resistors of equal
value, each connected between two
pins.
Resistance Tolerance
10 ohms to 49 ohms ...................±1 ohm
50 ohms to 5 megohms ................ ±2 %*
Above 5 megohms..........................±5 %
Power Rating per Resistor
At 70 °C .................................. 0.40 watt
Power Temperature Derating Curve
These models incorporate 3, 5, 7, or 9
thick-fi lm resistors of equal value, each
connected between a common bus (pin
1) and a separate pin.
Resistance Tolerance
10 ohms to 49 ohms ...................±1 ohm
50 ohms to 5 megohms ................ ±2 %*
Above 5 megohms..........................±5 %
Power Rating per Resistor
At 70 °C .................................. 0.25 watt
Power Temperature Derating Curve
4308M-104 (shown above) is an 8-pin
confi guration and terminates 6 lines.
Pins 1 and 8 are common for ground
and power, respectively. Twelve thick-
fi lm resistors are paired in series
between the common lines (pins 1 and
8).
Resistance Tolerance
Below 100 ohms ....................... ±2 ohms
100 ohms to 5 megohms .............. ±2 %*
Above 5 megohms..........................±5 %
Power Rating per Resistor
At 70 °C .................................. 0.25 watt
Power Temperature Derating Curve
Popular Resistance Values (101, 102 Circuits)**
Ohms Code Ohms Code Ohms Code Ohms Code Ohms Code
10 100 180 181 1,800 182 15,000 153 120,000 124
22 220 220 221 2,000 202 18,000 183 150,000 154
27 270 270 271 2,200 222 20,000 203 180,000 184
33 330 330 331 2,700 272 22,000 223 220,000 224
39 390 390 391 3,300 332 27,000 273 270,000 274
47 470 470 471 3,900 392 33,000 333 330,000 334
56 560 560 561 4,700 472 39,000 393 390,000 394
68 680 680 681 5,600 562 47,000 473 470,000 474
82 820 820 821 6,800 682 56,000 563 560,000 564
100 101 1,000 102 8,200 822 68,000 683 680,000 684
120 121 1,200 122 10,000 103 82,000 823 820,000 824
150 151 1,500 152 12,000 123 100,000 104 1,000,000 105
* Add “F” after resistance code for ±1 % tolerance available from 100 Ω through 1M Ω, or add “D”
after resistance code for ±0.5 % tolerance available from 100 Ω through 1M Ω.
Part number suffi x examples: -103 = 10K Ω, ±2 %; -103F = 10K Ω, ±1 %; -103D = 10K Ω, ±0.5 %
** Non-standard values available, within resistance range.
Popular Resistance Values (104 Circuit)**
Resistance
Ohms Code
R1R2R1R2
160 240 161 241
180 390 181 391
220 270 221 271
220 330 221 331
330 390 331 391
330 470 331 471
3,000 6,200 302 622
10 1
1 8
R2
R1
R2
R1
R2
R1
R2
R1
R2
R1
R2
R1
861
4306
4308
4310
4304
4306
4308
68
10
4310
4
4304
4
WATTS
AMBIENT TEMPERATURE ( C )°
0 70 125
.50
.40
.30
.20
.10
25
.60
WATTS
AMBIENT TEMPERATURE ( C )°
0 70 125
.50
.40
.30
.20
.10
25
.60
WATTS
AMBIENT TEMPERATURE ( C )°
0 70 125
.50
.40
.30
.20
.10
25
.60
