SMBJ40CA

Part: SMBJ Transil™ — STMicroelectronics

Type: Transient Voltage Suppressor (TVS) Diode

Description: The SMBJ Transil series is designed to protect sensitive equipment against electrostatic discharges and electrical over stress, handling surges below 600 W (10/1000 μs) with a stand-off voltage range from 5 V to 188 V.

Operating Conditions:

• Operating junction temperature: -55 to +150 °C
• Stand off voltage range: 5 V to 188 V

Absolute Maximum Ratings:

• Peak pulse power dissipation (Tj initial = Tamb): 600 W (10/1000 μs)
• Max storage temperature: -65 to +150 °C
• Max operating junction temperature: 150 °C
• Max lead temperature for soldering (10 s): 260 °C

Key Specs:

• Stand-off voltage (V_RM): 5.0 V (for SMBJ5.0A/CA) to 188 V (for SMBJ188A/CA)
• Breakdown voltage (V_BR) @ I_R = 1 mA: 11.1 V (min) for SMBJ10A/CA
• Clamping voltage (V_CL) @ I_PP (10/1000 μs): 17 V @ 37 A (max) for SMBJ10A/CA
• Clamping voltage (V_CL) @ I_PP (8/20 μs): 21.7 V @ 184 A (max) for SMBJ10A/CA
• Leakage current (I_RM) @ V_RM: 0.2 μA at 25 °C (for SMBJ10A/CA), 1 μA at 85 °C (for SMBJ10A/CA)
• Dynamic resistance (R_D) (10/1000 μs): 0.127 Ω (for SMBJ10A/CA)
• Dynamic resistance (R_D) (8/20 μs): 0.051 Ω (for SMBJ10A/CA)

Features:

• Peak pulse power: 600 W (10/1000 μs)
• Peak pulse power: 4 kW (8/20 μs)
• Stand off voltage range: from 5 V to 188 V
• Unidirectional and bidirectional types
• Low leakage current: 0.2 μA at 25 °C
• Low leakage current: 1 μA at 85 °C
• Operating Tj max: 150 °C
• High power capability at Tj max: 515 W (10/1000 μs)
• Complies with IEC 61000-4-2 level 4: 15 kV (air discharge), 8 kV (contact discharge)
• Complies with MIL STD 883G, method 3015-7 Class 3B: 25 kV HBM (human body model)

Applications:

• Protection against electrostatic discharges according to IEC 61000-4-2, and MIL STD 883, method 3015
• Protection against electrical over stress according to IEC 61000-4-4 and 5
• Protection against surges below 600 W (10/1000 μs)
• High-end equipment and SMPS where low leakage current and high junction temperature are required

Package:

• SMB (JEDEC DO-214AA)

• ■ Peak pulse power:
• -600 W (10/1000 μ s)
• -4 kW (8/20 μs)
• ■ Stand off voltage range: from 5 V to 188 V
• ■ Unidirectional and bidirectional types

■ Low leakage current: -0.2 μA at 25 °C -1 μA at 85 °C ■ Operating T j max : 150 °C ■ High power capability at T j max : -515 W (10/1000 μs) ■ JEDEC registered package outline Complies with the following standards ■ IEC 61000-4-2 level 4: -15 kV (air discharge) -8 kV (contact discharge) ■ IEC 61000-4-5 ■ MIL STD 883G, method 3015-7 Class 3B: -25 kV HBM (human body model) ■ Resin meets UL 94, V0 ■ MIL-STD-750, method 2026 soldererability ■ EIA STD RS-481 and IEC 60286-3 packing ■ IPC 7531 footprint Description www.datasheet.live

• Case: JEDEC DO-214AA molded plastic over planar junction
• Terminals: solder plated - solderable per MIL-STD-750, Method 2026
• Polarity: for unidirectional types the band indicates cathode
• Flammability: epoxy is rated UL94V-0
• RoHS package

In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK ® packages, depending on their level of environmental compliance. ECOPACK ® specifications, grade definitions and product status are available at: www.st.com. ECOPACK ® is an ST trademark.

Table 4. SMB dimensions

Figure 13. Footprint dimensions in mm (inches)

	Dimensions	Dimensions	Dimensions	Dimensions
Ref.	Millimeters	Millimeters	Inches	Inches
	Min.	Max.	Min.	Max.
A1	1.90	2.45	0.075	0.096
A2	0.05	0.20	0.002	0.008
b	1.95	2.20	0.077	0.087
c	0.15	0.40	0.006	0.016
D	3.30	3.95	0.130	0.156
E	5.10	5.60	0.201	0.220
E1	4.05	4.60	0.159	0.181
L	0.75	1.50	0.030	0.059

Figure 14. Marking layout (1)

1. Marking layout can vary according to assembly location.

Table 5. Marking

Order code	Marking	Order code	Marking
SMBJ5.0A-TR	BUZ	SMBJ5.0CA-TR	BBZ
SMBJ6.0A-TR	BUA	SMBJ6.0CA-TR	BBA
SMBJ6.5A-TR	BUB	SMBJ6.5CA-TR	BBB
SMBJ8.5A-TR	BUC	SMBJ8.5CA-TR	BBC
SMBJ10A-TR	BUD	SMBJ10CA-TR	BBD
SMBJ12A-TR	BUE	SMBJ12CA-TR	BBE
SMBJ13A-TR	BUF	SMBJ13CA-TR	BBF
SMBJ15A-TR	BUG	SMBJ15CA-TR	BBG
SMBJ16A-TR	CUG	SMBJ16CA-TR	CBG
SMBJ18A-TR	BUH	SMBJ18CA-TR	BBH
SMBJ20A-TR	BUI	SMBJ20CA-TR	BBI
SMBJ22A-TR	BVA	SMBJ22CA-TR	CBH
SMBJ24A-TR	BUJ	SMBJ24CA-TR	BBJ
SMBJ26A-TR	BUK	SMBJ26CA-TR	BBK
SMBJ28A-TR	BUL	SMBJ28CA-TR	BBL
SMBJ30A-TR	BUM	SMBJ30CA-TR	BBM
SMBJ33A-TR	BUN	SMBJ33CA-TR	BBN
SMBJ36A-TR	CUN	SMBJ36CA-TR	CBN
SMBJ40A-TR	CUJ	SMBJ40CA-TR	CBJ
SMBJ43A-TR	CUW	SMBJ43CA-TR	CBW
SMBJ48A-TR	BUW	SMBJ48CA-TR	BBW
SMBJ58A-TR	BUO	SMBJ58CA-TR	BBO
SMBJ70A-TR	CUM	SMBJ70CA-TR	CBM
SMBJ85A-TR	BUQ	SMBJ85CA-TR	BBQ
SMBJ100A-TR	CUQ	SMBJ100CA-TR	CBQ
SMBJ130A-TR	BUS	SMBJ130CA-TR	BBS
SMBJ154A-TR	BUT	SMBJ154CA-TR	BBT
SMBJ170A-TR	BUU	SMBJ170CA-TR	BBU
SMBJ188A-TR	BUV	SMBJ188CA-TR	BBV

Table 5. Marking