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
R
1
R
2
R
1
R
2
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
