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BL
Bleed Resistor (BL40/50/68)

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- Provides high, stable performance against environmental conditions and over load voltages
- Wide resistance range
- Resistance and tolerance are indicated as four of five color coding conforming to IEC rules
- Color coding enables easy discernment

GENERAL SPECIFICATIONS

Model

Rating Power
at 70C [W]

Working Voltage
Max. [V]

Resistance Range

Resistance Tolerance

Climatic category
(IEC68)

Safety
Approvals

BL 40

0.5

8000

1M ~ 1000M

1%, 2%, 5%,
10%, 20%

26

VDE

BL 50

1

10000

26

BL 68

2

13000

32

CHARACTERISTICS

Insulation R
(V-block Method)

>10 M

BL40,BL50:700+-50V DC during 1min.; BL68: 1000+-50V DC during 1min.

Temperature
Coefficient

200PPM

-55C:30min, +155C:30min.T/C=(R2-R1)/R1/(T2-T1) X10-6

Short Time
Over Load

max. [2%]

Rated voltage X 4 5sec on, 45sec off, 10 Cycle

Rapid Change
of Temp.

max. [1%]

30min -55C 30min +155C 5Cycle

Damp Heat
Steady state

max. [2%]

40+-2C; 90-95%, 56 days after 30min, dissipation 0.01Pn

Over Load
Test

max. [2%]

2.5 X rated voltage(1min)

Endurance
Test

max. [3%]

70+-3C, 0.5hour on, 0.5hour off Cycle, 1000+-12hour, Pn of Vmax

Vibration

max. +-[1%]
no damage

Frequency 10-55Hz Disp. 1.5mm or acceleration 10g; 3D: total 6h(2 X 3h)

Soldering
ability

Good tinning no
damage 95%

Solderability: 2sec, 235+-5C. Flux 600

Surge
Test

max. +-[10%]
no damage

R>1M:10nF/10kV (2.5 on/off), 50Cycle

Torsion
Test

no damage

2.5Kg.f remains 5-10sec

 

DIMENSIONS

Model

Rating Power at 70C [W]

Dimensions (mm)

D max

L max

d +0.02 -0.05

H3

BL 40

0.5

4

14

0.7

26

BL 50

1

4

16

0.7

26

BL 68

2

5.5

16

0.8

32

HIGH VOLTAGE SURGE TEST

- 10 discharges from a 10nF capacitor charged to Vmax: 12 discharges/min
- no evidence of flash over, mechanical damage, arching of, insulation breakdown.

PACKING

Model

Style Packing W H L Packing Unit

BL 40

Straight
Taping
Inner 73 71 260 1000
500

BL 50

BL 68

ORDERING PROCEDURE EXAMPLE

Copyright©, RARA Electronics Corporation
Tel:82-32-817-4325 Fax:82-32-817-4329

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