High Accuracy Decade Box

DBX-1-10K (NO LONGER AVAILABLE)

PLACE ORDER

High Stability
Excellent Frequency Characteristics
Available in Single Through 11 Decade Units
Basic Accuracy of 0.01% (available in 0.02%, 0.05% and 0.1% accuracies)
Zero Resistance under 1 M½ per Decade
High Performance Solid Silver Alloy Contact Switches with Low Capacitance and Low Loss
Resistance from 1 m½ to 111 M½
Noninductive or Low Inductance Resistors
High Accuracy
Low Zero Resistance
Low Temperature Coefficient
Rack Mounting Available
Special and Custom Configurations Available

Description

Mechanical Specifications

Model	Dimensions	Weight
1 decade	7.7 W x 7.7 H x 8.4 cm D (3 x 3 x 3.3")	0.45 kg (1.0 lb)
2-4 decades	37.5 W x 8.9 H 10.2 cm D (14.8 x 3.5 x 4")	1.7 kg (3.8 lb)
5 decades	37.5 W x 8.9 H 10.2 cm D (14.8 x 3.5 x 4")	2.0 kg (4.3 lb)
6 decades	43.9 W x 8.9 H x 10.2 cm D (17.3 x 3.5 x 4")	2.2 kg (4.8 lb)
7 decades		2.4 kg (5.3 lb)
8 decades		2.6 kg (5.7 lb)
9 decades	48.3 W x 17.8 H x 19.7 cm D (19 x 7 x 7.8")	5.1 kg (11.2 lb)
10 decades	48.3 W x 17.8 H x 19.7 cm D (19 x 7 x 7.8")	5.3 kg (11.7 lb)

Specifications
Accuracy: ±(0.01% + 2 mΩ) after subtraction of zero resistance, at 23°C
Zero Resistance: <1 mΩ per decade, at dc
Maximum Voltage to Case: 2000 V peak
Switch Type: 11 positions, “0”-“10”; multiple solid silver alloy contacts
Switch Capacitance:<4 pF per switch, low loss

Decade Resistance	Resistance Per Step	Stability (±ppm/year)	Long Term Stability(±ppm/3 years)	Temperature Coefficient (±ppm/°C)	Max Power (W/step)	Maximum current (per decade)	Maximum voltage(per step)
10 mΩ	1 mΩ	100	700	50	0.025	5:00 AM	5 mV
100 mΩ	10 mΩ	50	350	30	0.2	4.5 A	40 mV
1 Ω	100 mΩ	30	50	20	0.6	1.6 A	0.16 V
10 Ω	1 Ω	10	25	20	0.6	0.8 A	0.8 V
100 Ω	10 Ω	10	25	15	0.6	0.25 A	2.5 V
1 kΩ	100 Ω	10	25	5	0.6	80 mA	8 V
10 kΩ	1 kΩ	10	25	5	0.5	23 mA	23 V
100 kΩ	10 kΩ	10	25	5	0.5	7 mA	70 V
1 MΩ	100 kΩ	10	25	5	0.5*	2.3* A	230 V*
10 MΩ	1 MΩ	10	25	10	0.5*	0.7* A	700 V*
100 MΩ	10 MΩ	25	40	10	0.1*	0.1* mA	1000 V*

*Subject to maximum of 2000 V

Model No. *(0.01% Accuracy)	Total Resistance Ohms	No. of Decades	Resolution Ohms
DBX-1-0.001 DBX-1-0.01 DBX-1-0.1 DBX-1-1 DBX-1-10 DBX-1-100 DBX-1-1K DBX-1-10K DBX-1-100K DBX-1-1M DBX-1-10M	0.01 0.1 1 10 100 1 k 10 k 100 k 1 M 10 M 100 M	1 1 1 1 1 1 1 1 1 1 1	0.001 0.01 0.1 1 10 100 1 k 10 k 100 k 1 M 10 M
DBX-2-0.001 DBX-2-0.01 DBX-2-0.1 DBX-2-1 DBX-2-10 DBX-2-100 DBX-2-1K DBX-2-10K DBX-2-100K DBX-2-1M	0.11 1.1 11 110 1.1 k 11 k 110 k 1.1 M 11 M 110 M	2 2 2 2 2 2 2 2 2 2	0.001 0.01 0.1 1 10 100 1 k 10 k 100 k 1 M
DBX-3-0.001 DBX-3-0.01 DBX-3-0.1 DBX-3-1 DBX-3-10 DBX-3-100 DBX-3-1K DBX-3-10K DBX-3-100K DBX-4-0.001 DBX-4-0.01 DBX-4-0.1 DBX-4-1	1.11 11.1 111 1.11 k 11.1 k 111 k 1.11 M 11.1 M 111 M 11.11 111.1 1.111 k 11.11 k	3 3 3 3 3 3 3 3 3 4 4 4 4	0.001 0.01 0.1 1 10 100 1 k 10 k 100 k 0.001 0.01 0.1 1

Model No. *(0.01% Accuracy)	Total Resistance Ohms	No. of Decades	Resolution Ohms
DBX-4-10 DBX-4-100 DBX-4-1K DBX-4-10K	111.1 k 1.111 M 11.11 M 111.1 M	4 4 4 4	10 100 1 k 10 k
DBX-5-0.001 DBX-5-0.01 DBX-5-0.1 DBX-5-1 DBX-5-10 DBX-5-100 DBX-5-1K	111.11 1.1111 k 11.111 k 111.11 k 1.1111 M 11.111 M 111.11 M	5 5 5 5 5 5 5	0.001 0.01 0.1 1 10 100 1 k
DBX-6-0.001 DBX-6-0.01 DBX-6-0.1 DBX-6-1 DBX-6-10 DBX-6-100	1.111 11 k 11.1111 k 111.111 k 1.111 11 M 11.1111 M 111.111 M	6 6 6 6 6 6	0.001 0.01 0.1 1 10 100
DBX-7-0.001 DBX-7-0.01 DBX-7-0.1 DBX-7-1 DBX-7-10	11.111 11 k 111.1111 k 1.111 111 M 11.111 11 M 111.1111 M	7 7 7 7 7	0.001 0.01 0.1 1 10
DBX-8-0.001 DBX-8-0.01 DBX-8-0.1 DBX-8-1 DBX-9-0.001 DBX-9-0.01 DBX-9-0.1	111.111 11 k 1.111 111 1 M 11.111 111 M 111.111 11 M 1.111 111 11 M 11.111 111 1 M 111.111 111 M	8 8 8 8 9 9 9	0.001 0.01 0.1 1 0.001 0.01 0.1
DBX-10-0.001 DBX-10-0.01	11.111 111 11 M 111.111 111 1 M	10 10	0.001 0.01
DBX-11-0.001	111.111 111 11 M	11	0.001

* Models with diffrent accuracy are available, consult sales.

Place Order(Specify Model Number)

Part Number/ Desc.

Qty

Description

Examples of common part numbers are shown below. Use the Part Number Builder below this table to select your exact configuration

DBX-6-0.01

Consult Sales

Availability:

6 Decades, 11.1111 kOhm total resistance

DBX-7-1

Consult Sales

Availability:

7 Decades, 111.1111 kOhm total resistance

DBX-9-0.01

Consult Sales

Availability:

9 Decades ,11.111 111 1 MOhm total resistance

DBX-10-0.01

Consult Sales

Availability:

10 decades, 111.111 111 1 MOhm total resistance

† All amounts shown in EUR, GBP, or USD

Part Number Builder

Build Your Part Number Below

	(1)		(2)
DBX-		-

Option Descriptions:

(1) Number of Decades select from:
1 for 1 decade
2 for 2 decades
3 for 3 decades
4 for 4 decades
5 for 5 decades
6 for 6 decades
7 for 7 decades
8 for 8 decades
9 for 9 decades
10 for 10 decades
11 for 11 decades

(2) Resolution(ohms) select from:
0.001 for 0.001 ohms
0.01 for 0.01 ohms
0.1 for 0.1 ohms
1 for 1 ohm
10 for 10 ohms
100 for 100 ohms
1K for 1 Kohm
1M for 1 Mohm
100K for 100Kohms
10M for 10Mohms

Note: All combinations may not be valid, check spec sheet for valid part numbers.