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T VS Diode – ASMAJ Series

Features



Plastic package, excellent insulation strength.

Glass passivated chip junction in SMA package.

Excellent voltage clamping capability.

Automotive grade AEC–Q101 qualified.

Low Zener impedance.

400W peak pulse power capability on 10/1000s waveform.

Typical leakage current less than 1A above 13V.

Very fast response time, typically less than 1.0ps from 0 volt to

minimum.

High temperature soldering guaranteed: 265°C/10 sec.

MSL: JEDEC-J-STD-020, Level 1

Applications



I/O interface, V

bus

Telecom / Automotive

Industrial and consumer electronic applications.

Relay and electromagnetic valve surge absorption.

Agency Approval



UL certification pending

Mechanical and Physical Data



Case: JEDEC SMA molded plastic.

Axial leaded, solderable per MIL-STD-750, Method 2026



Polarity: Color band denoted cathode except bidirectional.

Maximum Ratings and Thermal Characteristics

Parameter

Peak Pulse Power Dissipation on 10/1000s waveform (Note 1, Fig.1).

Peak Pulse Current of 10/1000s waveform (Note 1, Fig.3).

Steady State Power Dissipation at TL = 75°C, Lead lengths 0.375”, (9.5mm) (Fig.5).

Peak Forward Surge Current, 8.3 ms Single Half Sine Wave Superimposed on Rated

Load (Note 2, Fig.6).

Operating Junction and Storage Temperature Range.

Symbol

PPM

M(AV)

FSM

, T

STG

Value

Min 400

See Table

3.3

-55~150

Unit

Watt

Amp

Watt

Amp

°C

Note:

1. Non-repetitive current pulse, per Fig.3 and derated above T

= 25°C per Fig.2.

2. 8.3ms single half sine wave, or equivalent square wave, Duty cycle = 4 pulses per minutes maximum.

Part Number Code

ASMAJ

□□□

C A -

□□□

Packaging Code (T13: Tape with 13” Reel; T7: Tape with 7”)

Voltage tolerance (A: 5%; Blank: 10%)

C: Bi-directional; Blank: Uni-directional

Reverse Stand-Off Voltage or Typical Breakdown Voltage

Automotive ASMAJ Series (400W)

新竹市科學工業園區工業東四路

24-1

號

No. 24-1 Industry E. Rd. IV, Hsinchu Science Park, Hsinchu 300, Taiwan.

TEL: +886-3-5643931

FAX: +886-3-5644624

http://www.pttc.com.tw

Page: 1 of 6

2016/12/1

Rev: A

T VS Diode – ASMAJ Series

I-V Curve Characteristics

PPM

Peak Pulse Power Dissipation – Maximum power dissipation

Stand-off Voltage – Maximum voltage that can be applied to the TVS without operation

Breakdown Voltage – Maximum voltage that flows through the TVS at a specified test current (I

)

Clamping Voltage – Peak voltage measured across the TVS at a specified I

PPM

(Peak Impulse Current)

Reverse Leakage Current – Current measured at V

Forward Voltage Drop for Uni-directional

Electrical Characteristics

Part Number

Uni

ASMAJ10A

ASMAJ11A

ASMAJ12A

ASMAJ13A

ASMAJ14A

ASMAJ15A

ASMAJ16A

ASMAJ17A

ASMAJ18A

ASMAJ19A

ASMAJ20A

ASMAJ22A

ASMAJ24A

ASMAJ26A

ASMAJ28A

ASMAJ30A

ASMAJ33A

ASMAJ36A

ASMAJ40A

Marking

Uni

AXA

AZA

BEA

BGA

BKA

BMA

BPA

BRA

BTA

BBA

BVA

BXA

BZA

CEA

CGA

CKA

CMA

CPA

CRA

ASMAJ10CA

ASMAJ11CA

ASMAJ12CA

ASMAJ13CA

ASMAJ14CA

ASMAJ15CA

ASMAJ16CA

ASMAJ17CA

ASMAJ18CA

ASMAJ19CA

ASMAJ20CA

ASMAJ22CA

ASMAJ24CA

ASMAJ26CA

ASMAJ28CA

ASMAJ30CA

ASMAJ33CA

ASMAJ36CA

ASMAJ40CA

WXA

WZA

XEA

XGA

XKA

XMA

XPA

XRA

XTA

XBA

XVA

XXA

XZA

YEA

YGA

YKA

YMA

YPA

YRA

Reverse

Test

Breakdown Voltage

Stand Off

Current

(V) @ I

Voltage V

Min.

Max.

(V)

(mA)

10.0

11.0

12.0

13.0

14.0

15.0

16.0

17.0

18.0

19.0

20.0

22.0

24.0

26.0

28.0

30.0

33.0

36.0

40.0

11.1

12.2

13.3

14.4

15.6

16.7

17.8

18.9

20.0

21.1

22.2

24.4

26.7

28.9

31.1

33.3

36.7

40.0

44.4

12.3

13.5

14.7

15.9

17.2

18.5

19.7

20.9

22.1

23.3

24.5

26.9

29.5

31.9

34.4

36.8

40.6

44.2

49.1

Maximum

Clamping

Voltage

(V) @ I

17.0

18.2

19.9

21.5

23.2

24.4

26.0

27.6

29.2

30.8

32.4

35.5

38.9

42.1

45.4

48.4

53.3

58.1

64.5

Maximum

Peak Pulse

Current

(A)

23.5

22.0

20.1

18.6

17.2

16.4

15.4

14.5

13.7

48.7

12.3

11.3

10.3

9.5

8.8

8.3

7.5

6.9

6.2

Maximum

Reverse

Leakage

(A) @ V

Pending

新竹市科學工業園區工業東四路

24-1

號

No. 24-1 Industry E. Rd. IV, Hsinchu Science Park, Hsinchu 300, Taiwan.

TEL: +886-3-5643931

FAX: +886-3-5644624

http://www.pttc.com.tw

Page: 2 of 6

2016/12/1

Rev: A

T VS Diode – ASMAJ Series

Part Number

Uni

ASMAJ43A

ASMAJ45A

ASMAJ48A

ASMAJ51A

ASMAJ54A

ASMAJ58A

ASMAJ60A

ASMAJ64A

ASMAJ70A

ASMAJ75A

ASMAJ78A

ASMAJ85A

Marking

Uni

CTA

CVA

CXA

CZA

REA

RGA

RKA

RMA

RPA

RRA

RTA

RVA

ASMAJ43CA

ASMAJ45CA

ASMAJ48CA

ASMAJ51CA

ASMAJ54CA

ASMAJ58CA

ASMAJ60CA

ASMAJ64CA

ASMAJ70CA

ASMAJ75CA

ASMAJ78CA

ASMAJ85CA

YTA

YVA

YXA

YZA

ZEA

ZGA

ZKA

ZMA

ZPA

ZRA

ZTA

ZVA

Reverse

Test

Breakdown Voltage

Stand Off

Current

(V) @ I

Voltage V

Min.

Max.

(V)

(mA)

43.0

45.0

48.0

51.0

54.0

58.0

60.0

64.0

70.0

75.0

78.0

85.0

47.8

50.0

53.3

56.7

60.0

64.4

66.7

71.1

77.8

83.3

86.7

94.4

52.8

55.3

58.9

62.7

66.3

71.2

73.7

78.6

86.0

92.1

95.8

104.0

Maximum

Clamping

Voltage

(V) @ I

69.4

72.7

77.4

82.4

87.1

93.6

96.8

103.0

113.0

121.0

126.0

137.0

Maximum

Peak Pulse

Current

(A)

5.8

5.5

5.2

4.9

4.6

4.3

4.1

3.9

3.5

3.3

3.2

2.9

Maximum

Reverse

Leakage

(A) @ V

Pending

Note:

1. For bi-directional type having V

of 10 volts and less, the I

limit is double.

新竹市科學工業園區工業東四路

24-1

號

No. 24-1 Industry E. Rd. IV, Hsinchu Science Park, Hsinchu 300, Taiwan.

TEL: +886-3-5643931

FAX: +886-3-5644624

http://www.pttc.com.tw

Page: 3 of 6

2016/12/1

Rev: A

T VS Diode – ASMAJ Series

Ratings and Characteristic Curves

Fig 1 - Peak Pulse Power Rating Curve

Fig 2 - Pulse Derating Curve

Fig 3 - Pulse Waveform

Fig 4 – Typical Junction Capacitance Uni-directional

Fig 5 – Steady State Power Dissipation Derating Curve

Fig 6 – Maximum Non-Repetitive Forward Surge Current

(Uni-directional Only)

新竹市科學工業園區工業東四路

24-1

號

No. 24-1 Industry E. Rd. IV, Hsinchu Science Park, Hsinchu 300, Taiwan.

TEL: +886-3-5643931

FAX: +886-3-5644624

http://www.pttc.com.tw

Page: 4 of 6

2016/12/1

Rev: A

T VS Diode – ASMAJ Series

Marking Definitions

PolyTrans Trade mark

Lot No

Marking Code

Cathode Band

(For Uni-directional product only)

Physical Dimensions

Dimension

Millimeters

Min

1.25

3.99

2.50

1.98

0.78

4.93

0.152

1.80

2.10

Inches

Max

Min

0.049

0.157

0.100

0.078

0.030

0.194

0.006

0.070

0.082

Max

0.065

0.177

0.110

0.090

0.060

0.008

0.208

0.012

0.090

1.65

4.60

2.90

2.29

1.52

0.203

5.28

0.305

2.30

Lead Free Reflow Soldering Recommendations

Preheat

- Temperature Min (T

s_min

)

- Temperature Max (T

s_max

)

- Time (T

s_min

to T

s_max

)

- Average Ramp-Up Rate

Peak Temperature

Time within 5ºC of actual Peak

Temperature (t

)

Ramp-Down Rate

150ºC

200ºC

60-180 seconds

1~3ºC/second

260ºC max.

40 seconds max.

6 ºC /second max.

Note: If the soldering temperatures exceed the recommended profile, devices may not meet the performance requirements.

新竹市科學工業園區工業東四路

24-1

號

No. 24-1 Industry E. Rd. IV, Hsinchu Science Park, Hsinchu 300, Taiwan.

TEL: +886-3-5643931

FAX: +886-3-5644624

http://www.pttc.com.tw

Page: 5 of 6

2016/12/1

Rev: A