Datasheet > WDBR_13

WDBR_13

更新时间： 2024-11-21 12:26:11

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TTELEC		/
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Ultra Low Profile Power Resistors

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WDBR_13 数据手册

Ultra Low Proﬁle

Power Resistors

WDBR Series

Ultra low proﬁle thick-ﬁlm on steel

500W to 7kW peak power

Single ﬁxing heatsink mountable

Ideal for dynamic braking, inrush limit and

snubber circuits

Choice of ﬂying lead, push-on or solder terminations

Low inductance design

High isolation, even after failsafe overload fusing

RoHS compliant, non-ﬂammable construction

Electrical Data

WDBR1/2

WDBR1

WDBR2

WDBR3

WDBR5

WDBR7

12, 15, 20, 22, 25,

47, 50, 100

Resistance range

ohms

12, 15, 20, 22, 25, 47, 50, 100, 150

Resistance tolerance

Pulse power rating ¹

Power rating on heatsink ²

Power rating on fan-cooled heatsink ³

TCR

0.5

160

300

1.5

180

700

2.0

200

780

3.5

260

900

5.0

270

7.0

280

1000

1490

ppm/°C

°C

+500 to +600

365

Maximum element temperature

Ambient temperature range (heatsink)

Dielectric withstand ⁴

°C

-55 to +200

2500

V (dc/ac peak)

μH

Inductance (typical)

Notes:

1. For details of pulse condition see Fig. 1 in Performance Data.

2. Mounted on a 0.53°C/W heatsink with no forced air cooling, air temperature 25°C.

3. Mounted on a 0.53°C/W heatsink with 5m/s forced air cooling, air temperature 25°C.

4. Based on 100% production test, duration 2s minimum

Physical Data

Dimensions in mm, weight without terminations in g

0.1 W 0.1 t 0.1 ØD nom a nom b nom c nom Wt. nom

WDBR1/2 31.9

28.1

35.9

40.6

2.2

3.2

7.5

3.2

3.1

4.3

6.2

5.8

10.2

7.4

9.2

6.5

12.6

17.1

50.8

60.7

181.8

WDBR1

WDBR2

49.3

11.2

13.0

22.0

23.8

51.3

0.9

1.5

4.7

Substrate thickness = t

WDBR3 101.6

WDBR5 122

13.5

14.0

15.0

5.3

Fixing hole is located centrally except on WDBR1/2 where the dimension from

the edge by the terminations to the mounting hole centre is 16.68mm

WDBR7 152.4 101.6

Construction

A high integrity dielectric layer is applied to a machined

stainless steel substrate. Thick-ﬁlm conductor and resistor

patterns are printed and ﬁred, then protected with a high

temperature overglaze. The termination pads are tinned with

solder and optional terminals or leads are soldered on.

General Note

TT electronics reserves the right to make changes in product speciﬁcation without notice or liability.

All information is subject to TT electronics’ own data and is considered accurate at time of going to print.

www.bitechnologies.com www.irctt.com www.welwyn-tt.com

02.13

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与WDBR_13相关器件

型号	品牌	获取价格	描述	数据表
WDBR1	TTELEC	获取价格	Ultra low profile thick-film on steel
WDBR1/2xxxxI	TTELEC	获取价格	Ultra low profile power resistor, solder pads
WDBR1/2xxxxL	TTELEC	获取价格	Ultra low profile power resistor, flying leads
WDBR1/2xxxxT	TTELEC	获取价格	Ultra low profile power resistor, push-on connectors
WDBR1ULxxxxI	TTELEC	获取价格	Ultra low profile power resistor, UL508, solder pads
WDBR1ULxxxxL	TTELEC	获取价格	Ultra low profile power resistor, UL508, flying leads
WDBR1xxxxI	TTELEC	获取价格	Ultra low profile power resistor, solder pads
WDBR1xxxxL	TTELEC	获取价格	Ultra low profile power resistor, flying leads
WDBR1xxxxT	TTELEC	获取价格	Ultra low profile power resistor, push-on connectors
WDBR2	TTELEC	获取价格	Ultra low profile thick-film on steel

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